Components
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Twig Components
11
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5
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Render Time
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Render calls
| ProductState | App\Twig\Components\ProductState | 68.0 MiB | 0.35 ms | |
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| Input props | [ "product" => App\Entity\Product\Product {#7311 #id: 9528 #code: "IEEE00002507" #attributes: Doctrine\ORM\PersistentCollection {#7701 …} #variants: Doctrine\ORM\PersistentCollection {#7744 …} #options: Doctrine\ORM\PersistentCollection {#7916 …} #associations: Doctrine\ORM\PersistentCollection {#7900 …} #createdAt: DateTime @1751038338 {#7274 : 2025-06-27 17:32:18.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#7322 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#7922 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#7921 #locale: "en_US" #translatable: App\Entity\Product\Product {#7311} #id: 33121 #name: "IEEE C37.23:1987 (R1991)" #slug: "ieee-c37-23-1987-r1991-ieee00002507-241180" #description: """ New IEEE Standard - Superseded.<br />\n Interpretations are available at: http://standards.ieee.org/reading/ieee/interp/C37.23-1987.html This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. Assemblies of metal-enclosed conductors and their associated interconnections, enclosures, supporting structures, switches, and disconnecting links are addressed. Ratings, tests, construction, miscellaneous accessories, and loss calculation for isolated-phase buses are covered. Specifically excluded are busways or bus assemblies for distribution of electric power less than 600 V, which consist of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor), plug-in busways (indoor only), and bus assemblies utilized at voltages in excess of 38.0 kV.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard. Basically, this standard is concerned with performance characteristics of enclosed, rather than open, conductor assemblies. It does not pertain to busyways or bus assemblies for distribution of electric power less than 600 V consisting of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor) and plug-in busways (indoor only). It does not include enclosed bus assemblies utilized at voltages in excess of 38.0 kV (see ANSI/UL 857-1981 ). """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Guide for Metal-Enclosed Bus and Calculating Losses in Isolated-Phase Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#7534 …} #channels: Doctrine\ORM\PersistentCollection {#7628 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#7613 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#7645 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7321 …} -apiLastModifiedAt: DateTime @1754517600 {#7317 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#7292 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @552520800 {#7318 : 1987-07-06 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @691887600 {#7316 : 1991-12-05 00:00:00.0 Europe/Paris (+01:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#7465 …} -favorites: Doctrine\ORM\PersistentCollection {#7500 …} } "showFullLabel" => "true" ] |
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| Component | App\Twig\Components\ProductState {#93008 +product: App\Entity\Product\Product {#7311 #id: 9528 #code: "IEEE00002507" #attributes: Doctrine\ORM\PersistentCollection {#7701 …} #variants: Doctrine\ORM\PersistentCollection {#7744 …} #options: Doctrine\ORM\PersistentCollection {#7916 …} #associations: Doctrine\ORM\PersistentCollection {#7900 …} #createdAt: DateTime @1751038338 {#7274 : 2025-06-27 17:32:18.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#7322 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#7922 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#7921 #locale: "en_US" #translatable: App\Entity\Product\Product {#7311} #id: 33121 #name: "IEEE C37.23:1987 (R1991)" #slug: "ieee-c37-23-1987-r1991-ieee00002507-241180" #description: """ New IEEE Standard - Superseded.<br />\n Interpretations are available at: http://standards.ieee.org/reading/ieee/interp/C37.23-1987.html This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. Assemblies of metal-enclosed conductors and their associated interconnections, enclosures, supporting structures, switches, and disconnecting links are addressed. Ratings, tests, construction, miscellaneous accessories, and loss calculation for isolated-phase buses are covered. Specifically excluded are busways or bus assemblies for distribution of electric power less than 600 V, which consist of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor), plug-in busways (indoor only), and bus assemblies utilized at voltages in excess of 38.0 kV.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard. Basically, this standard is concerned with performance characteristics of enclosed, rather than open, conductor assemblies. It does not pertain to busyways or bus assemblies for distribution of electric power less than 600 V consisting of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor) and plug-in busways (indoor only). It does not include enclosed bus assemblies utilized at voltages in excess of 38.0 kV (see ANSI/UL 857-1981 ). """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Guide for Metal-Enclosed Bus and Calculating Losses in Isolated-Phase Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#7534 …} #channels: Doctrine\ORM\PersistentCollection {#7628 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#7613 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#7645 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7321 …} -apiLastModifiedAt: DateTime @1754517600 {#7317 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#7292 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @552520800 {#7318 : 1987-07-06 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @691887600 {#7316 : 1991-12-05 00:00:00.0 Europe/Paris (+01:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#7465 …} -favorites: Doctrine\ORM\PersistentCollection {#7500 …} } +appearance: "state-suspended" +labels: [ "Superseded" "Confirmed" ] -stateAttributeCode: "state" -localeContext: Sylius\Component\Locale\Context\CompositeLocaleContext {#1833 …} } |
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| Input props | [ "product" => App\Entity\Product\Product {#7311 #id: 9528 #code: "IEEE00002507" #attributes: Doctrine\ORM\PersistentCollection {#7701 …} #variants: Doctrine\ORM\PersistentCollection {#7744 …} #options: Doctrine\ORM\PersistentCollection {#7916 …} #associations: Doctrine\ORM\PersistentCollection {#7900 …} #createdAt: DateTime @1751038338 {#7274 : 2025-06-27 17:32:18.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#7322 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#7922 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#7921 #locale: "en_US" #translatable: App\Entity\Product\Product {#7311} #id: 33121 #name: "IEEE C37.23:1987 (R1991)" #slug: "ieee-c37-23-1987-r1991-ieee00002507-241180" #description: """ New IEEE Standard - Superseded.<br />\n Interpretations are available at: http://standards.ieee.org/reading/ieee/interp/C37.23-1987.html This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. Assemblies of metal-enclosed conductors and their associated interconnections, enclosures, supporting structures, switches, and disconnecting links are addressed. Ratings, tests, construction, miscellaneous accessories, and loss calculation for isolated-phase buses are covered. Specifically excluded are busways or bus assemblies for distribution of electric power less than 600 V, which consist of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor), plug-in busways (indoor only), and bus assemblies utilized at voltages in excess of 38.0 kV.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard. Basically, this standard is concerned with performance characteristics of enclosed, rather than open, conductor assemblies. It does not pertain to busyways or bus assemblies for distribution of electric power less than 600 V consisting of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor) and plug-in busways (indoor only). It does not include enclosed bus assemblies utilized at voltages in excess of 38.0 kV (see ANSI/UL 857-1981 ). """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Guide for Metal-Enclosed Bus and Calculating Losses in Isolated-Phase Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#7534 …} #channels: Doctrine\ORM\PersistentCollection {#7628 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#7613 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#7645 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7321 …} -apiLastModifiedAt: DateTime @1754517600 {#7317 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#7292 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @552520800 {#7318 : 1987-07-06 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @691887600 {#7316 : 1991-12-05 00:00:00.0 Europe/Paris (+01:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#7465 …} -favorites: Doctrine\ORM\PersistentCollection {#7500 …} } ] |
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| ProductMostRecent | App\Twig\Components\ProductMostRecent | 68.0 MiB | 0.72 ms | |
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| Input props | [ "product" => App\Entity\Product\Product {#7311 #id: 9528 #code: "IEEE00002507" #attributes: Doctrine\ORM\PersistentCollection {#7701 …} #variants: Doctrine\ORM\PersistentCollection {#7744 …} #options: Doctrine\ORM\PersistentCollection {#7916 …} #associations: Doctrine\ORM\PersistentCollection {#7900 …} #createdAt: DateTime @1751038338 {#7274 : 2025-06-27 17:32:18.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#7322 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#7922 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#7921 #locale: "en_US" #translatable: App\Entity\Product\Product {#7311} #id: 33121 #name: "IEEE C37.23:1987 (R1991)" #slug: "ieee-c37-23-1987-r1991-ieee00002507-241180" #description: """ New IEEE Standard - Superseded.<br />\n Interpretations are available at: http://standards.ieee.org/reading/ieee/interp/C37.23-1987.html This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. Assemblies of metal-enclosed conductors and their associated interconnections, enclosures, supporting structures, switches, and disconnecting links are addressed. Ratings, tests, construction, miscellaneous accessories, and loss calculation for isolated-phase buses are covered. Specifically excluded are busways or bus assemblies for distribution of electric power less than 600 V, which consist of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor), plug-in busways (indoor only), and bus assemblies utilized at voltages in excess of 38.0 kV.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard. Basically, this standard is concerned with performance characteristics of enclosed, rather than open, conductor assemblies. It does not pertain to busyways or bus assemblies for distribution of electric power less than 600 V consisting of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor) and plug-in busways (indoor only). It does not include enclosed bus assemblies utilized at voltages in excess of 38.0 kV (see ANSI/UL 857-1981 ). """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Guide for Metal-Enclosed Bus and Calculating Losses in Isolated-Phase Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#7534 …} #channels: Doctrine\ORM\PersistentCollection {#7628 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#7613 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#7645 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7321 …} -apiLastModifiedAt: DateTime @1754517600 {#7317 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#7292 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @552520800 {#7318 : 1987-07-06 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @691887600 {#7316 : 1991-12-05 00:00:00.0 Europe/Paris (+01:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#7465 …} -favorites: Doctrine\ORM\PersistentCollection {#7500 …} } ] |
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| Component | App\Twig\Components\ProductMostRecent {#93276 +product: App\Entity\Product\Product {#7311 #id: 9528 #code: "IEEE00002507" #attributes: Doctrine\ORM\PersistentCollection {#7701 …} #variants: Doctrine\ORM\PersistentCollection {#7744 …} #options: Doctrine\ORM\PersistentCollection {#7916 …} #associations: Doctrine\ORM\PersistentCollection {#7900 …} #createdAt: DateTime @1751038338 {#7274 : 2025-06-27 17:32:18.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#7322 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#7922 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#7921 #locale: "en_US" #translatable: App\Entity\Product\Product {#7311} #id: 33121 #name: "IEEE C37.23:1987 (R1991)" #slug: "ieee-c37-23-1987-r1991-ieee00002507-241180" #description: """ New IEEE Standard - Superseded.<br />\n Interpretations are available at: http://standards.ieee.org/reading/ieee/interp/C37.23-1987.html This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. Assemblies of metal-enclosed conductors and their associated interconnections, enclosures, supporting structures, switches, and disconnecting links are addressed. Ratings, tests, construction, miscellaneous accessories, and loss calculation for isolated-phase buses are covered. Specifically excluded are busways or bus assemblies for distribution of electric power less than 600 V, which consist of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor), plug-in busways (indoor only), and bus assemblies utilized at voltages in excess of 38.0 kV.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard. Basically, this standard is concerned with performance characteristics of enclosed, rather than open, conductor assemblies. It does not pertain to busyways or bus assemblies for distribution of electric power less than 600 V consisting of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor) and plug-in busways (indoor only). It does not include enclosed bus assemblies utilized at voltages in excess of 38.0 kV (see ANSI/UL 857-1981 ). """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Guide for Metal-Enclosed Bus and Calculating Losses in Isolated-Phase Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#7534 …} #channels: Doctrine\ORM\PersistentCollection {#7628 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#7613 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#7645 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7321 …} -apiLastModifiedAt: DateTime @1754517600 {#7317 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#7292 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @552520800 {#7318 : 1987-07-06 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @691887600 {#7316 : 1991-12-05 00:00:00.0 Europe/Paris (+01:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#7465 …} -favorites: Doctrine\ORM\PersistentCollection {#7500 …} } +label: "Historical" +icon: "historical" -mostRecentAttributeCode: "most_recent" -localeContext: Sylius\Component\Locale\Context\CompositeLocaleContext {#1833 …} } |
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| ProductState | App\Twig\Components\ProductState | 82.0 MiB | 0.22 ms | |
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| Input props | [ "product" => App\Entity\Product\Product {#93684 #id: 11102 #code: "IEEE00005577" #attributes: Doctrine\ORM\PersistentCollection {#93666 …} #variants: Doctrine\ORM\PersistentCollection {#93663 …} #options: Doctrine\ORM\PersistentCollection {#93659 …} #associations: Doctrine\ORM\PersistentCollection {#93661 …} #createdAt: DateTime @1751039480 {#93692 : 2025-06-27 17:51:20.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754608190 {#93671 : 2025-08-08 01:09:50.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#93677 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#93712 #locale: "en_US" #translatable: App\Entity\Product\Product {#93684} #id: 39417 #name: "IEEE C37.23:2015" #slug: "ieee-c37-23-2015-ieee00005577-242754" #description: """ Revision Standard - Active.<br />\n Metal-enclosed (ME) bus assemblies for indoor and outdoor use are discussed in this standard. The types of assemblies covered are nonsegregated-phase bus, cable bus, segregated-phase bus, and isolated-phase bus. Rated maximum voltages of ac ME bus assemblies range from 1058 V through 38 kV with continuous-current ratings of 600 A through 26 000 A for self-cooled ratings and up to 50 000 A for forced-cooled ratings. Rated maximum voltage levels of dc ME bus assemblies range from 300 V through 3200 V with continuous-current ratings of 600 A through 15 000 A. Service conditions, ratings, temperature limitations and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and application are discussed. A guide for calculating losses in isolated-phase bus is included.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed (ME) conductors along with associated interconnections, enclosures, and supporting structures. The types of assemblies covered are nonsegregated-phase bus, segregated-phase bus, isolated-phase bus, and cable bus. When switches and disconnecting links are included, they shall conform to this standard. This standard encompasses the performance characteristics of indoor and outdoor conductor assemblies with rated maximum operating voltages through 38 kV. This standard does not pertain to UL 857 [B22] type busways and associated fittings. Service conditions, ratings, temperature limitations, and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and applications are established. A guide for calculating losses in isolated-phase bus is included.<br />\n The purpose of this standard is to: a) Establish minimum construction requirements; b) Establish preferred ratings<br />\n c) Establish testing and performance requirements; d) Provide application guidance for the ME bus types covered by this standard. """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Standard for Metal-Enclosed Bus" -notes: "Active" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#93675 …} #channels: Doctrine\ORM\PersistentCollection {#93668 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#93673 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#93670 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#93685 …} -apiLastModifiedAt: DateTime @1754517600 {#93655 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#93691 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @1463436000 {#93690 : 2016-05-17 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: null -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 80 -documents: Doctrine\ORM\PersistentCollection {#93681 …} -favorites: Doctrine\ORM\PersistentCollection {#93679 …} } "showFullLabel" => "true" ] |
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| Attributes | [ "showFullLabel" => "true" ] |
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| Component | App\Twig\Components\ProductState {#106757 +product: App\Entity\Product\Product {#93684 #id: 11102 #code: "IEEE00005577" #attributes: Doctrine\ORM\PersistentCollection {#93666 …} #variants: Doctrine\ORM\PersistentCollection {#93663 …} #options: Doctrine\ORM\PersistentCollection {#93659 …} #associations: Doctrine\ORM\PersistentCollection {#93661 …} #createdAt: DateTime @1751039480 {#93692 : 2025-06-27 17:51:20.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754608190 {#93671 : 2025-08-08 01:09:50.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#93677 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#93712 #locale: "en_US" #translatable: App\Entity\Product\Product {#93684} #id: 39417 #name: "IEEE C37.23:2015" #slug: "ieee-c37-23-2015-ieee00005577-242754" #description: """ Revision Standard - Active.<br />\n Metal-enclosed (ME) bus assemblies for indoor and outdoor use are discussed in this standard. The types of assemblies covered are nonsegregated-phase bus, cable bus, segregated-phase bus, and isolated-phase bus. Rated maximum voltages of ac ME bus assemblies range from 1058 V through 38 kV with continuous-current ratings of 600 A through 26 000 A for self-cooled ratings and up to 50 000 A for forced-cooled ratings. Rated maximum voltage levels of dc ME bus assemblies range from 300 V through 3200 V with continuous-current ratings of 600 A through 15 000 A. Service conditions, ratings, temperature limitations and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and application are discussed. A guide for calculating losses in isolated-phase bus is included.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed (ME) conductors along with associated interconnections, enclosures, and supporting structures. The types of assemblies covered are nonsegregated-phase bus, segregated-phase bus, isolated-phase bus, and cable bus. When switches and disconnecting links are included, they shall conform to this standard. This standard encompasses the performance characteristics of indoor and outdoor conductor assemblies with rated maximum operating voltages through 38 kV. This standard does not pertain to UL 857 [B22] type busways and associated fittings. Service conditions, ratings, temperature limitations, and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and applications are established. A guide for calculating losses in isolated-phase bus is included.<br />\n The purpose of this standard is to: a) Establish minimum construction requirements; b) Establish preferred ratings<br />\n c) Establish testing and performance requirements; d) Provide application guidance for the ME bus types covered by this standard. """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Standard for Metal-Enclosed Bus" -notes: "Active" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#93675 …} #channels: Doctrine\ORM\PersistentCollection {#93668 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#93673 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#93670 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#93685 …} -apiLastModifiedAt: DateTime @1754517600 {#93655 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#93691 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @1463436000 {#93690 : 2016-05-17 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: null -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 80 -documents: Doctrine\ORM\PersistentCollection {#93681 …} -favorites: Doctrine\ORM\PersistentCollection {#93679 …} } +appearance: "state-active" +labels: [ "Active" ] -stateAttributeCode: "state" -localeContext: Sylius\Component\Locale\Context\CompositeLocaleContext {#1833 …} } |
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| ProductMostRecent | App\Twig\Components\ProductMostRecent | 82.0 MiB | 0.90 ms | |
|---|---|---|---|---|
| Input props | [ "product" => App\Entity\Product\Product {#93684 #id: 11102 #code: "IEEE00005577" #attributes: Doctrine\ORM\PersistentCollection {#93666 …} #variants: Doctrine\ORM\PersistentCollection {#93663 …} #options: Doctrine\ORM\PersistentCollection {#93659 …} #associations: Doctrine\ORM\PersistentCollection {#93661 …} #createdAt: DateTime @1751039480 {#93692 : 2025-06-27 17:51:20.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754608190 {#93671 : 2025-08-08 01:09:50.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#93677 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#93712 #locale: "en_US" #translatable: App\Entity\Product\Product {#93684} #id: 39417 #name: "IEEE C37.23:2015" #slug: "ieee-c37-23-2015-ieee00005577-242754" #description: """ Revision Standard - Active.<br />\n Metal-enclosed (ME) bus assemblies for indoor and outdoor use are discussed in this standard. The types of assemblies covered are nonsegregated-phase bus, cable bus, segregated-phase bus, and isolated-phase bus. Rated maximum voltages of ac ME bus assemblies range from 1058 V through 38 kV with continuous-current ratings of 600 A through 26 000 A for self-cooled ratings and up to 50 000 A for forced-cooled ratings. Rated maximum voltage levels of dc ME bus assemblies range from 300 V through 3200 V with continuous-current ratings of 600 A through 15 000 A. Service conditions, ratings, temperature limitations and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and application are discussed. A guide for calculating losses in isolated-phase bus is included.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed (ME) conductors along with associated interconnections, enclosures, and supporting structures. The types of assemblies covered are nonsegregated-phase bus, segregated-phase bus, isolated-phase bus, and cable bus. When switches and disconnecting links are included, they shall conform to this standard. This standard encompasses the performance characteristics of indoor and outdoor conductor assemblies with rated maximum operating voltages through 38 kV. This standard does not pertain to UL 857 [B22] type busways and associated fittings. Service conditions, ratings, temperature limitations, and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and applications are established. A guide for calculating losses in isolated-phase bus is included.<br />\n The purpose of this standard is to: a) Establish minimum construction requirements; b) Establish preferred ratings<br />\n c) Establish testing and performance requirements; d) Provide application guidance for the ME bus types covered by this standard. """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Standard for Metal-Enclosed Bus" -notes: "Active" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#93675 …} #channels: Doctrine\ORM\PersistentCollection {#93668 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#93673 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#93670 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#93685 …} -apiLastModifiedAt: DateTime @1754517600 {#93655 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#93691 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @1463436000 {#93690 : 2016-05-17 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: null -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 80 -documents: Doctrine\ORM\PersistentCollection {#93681 …} -favorites: Doctrine\ORM\PersistentCollection {#93679 …} } ] |
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| Attributes | [] |
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| Component | App\Twig\Components\ProductMostRecent {#106824 +product: App\Entity\Product\Product {#93684 #id: 11102 #code: "IEEE00005577" #attributes: Doctrine\ORM\PersistentCollection {#93666 …} #variants: Doctrine\ORM\PersistentCollection {#93663 …} #options: Doctrine\ORM\PersistentCollection {#93659 …} #associations: Doctrine\ORM\PersistentCollection {#93661 …} #createdAt: DateTime @1751039480 {#93692 : 2025-06-27 17:51:20.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754608190 {#93671 : 2025-08-08 01:09:50.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#93677 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#93712 #locale: "en_US" #translatable: App\Entity\Product\Product {#93684} #id: 39417 #name: "IEEE C37.23:2015" #slug: "ieee-c37-23-2015-ieee00005577-242754" #description: """ Revision Standard - Active.<br />\n Metal-enclosed (ME) bus assemblies for indoor and outdoor use are discussed in this standard. The types of assemblies covered are nonsegregated-phase bus, cable bus, segregated-phase bus, and isolated-phase bus. Rated maximum voltages of ac ME bus assemblies range from 1058 V through 38 kV with continuous-current ratings of 600 A through 26 000 A for self-cooled ratings and up to 50 000 A for forced-cooled ratings. Rated maximum voltage levels of dc ME bus assemblies range from 300 V through 3200 V with continuous-current ratings of 600 A through 15 000 A. Service conditions, ratings, temperature limitations and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and application are discussed. A guide for calculating losses in isolated-phase bus is included.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed (ME) conductors along with associated interconnections, enclosures, and supporting structures. The types of assemblies covered are nonsegregated-phase bus, segregated-phase bus, isolated-phase bus, and cable bus. When switches and disconnecting links are included, they shall conform to this standard. This standard encompasses the performance characteristics of indoor and outdoor conductor assemblies with rated maximum operating voltages through 38 kV. This standard does not pertain to UL 857 [B22] type busways and associated fittings. Service conditions, ratings, temperature limitations, and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and applications are established. A guide for calculating losses in isolated-phase bus is included.<br />\n The purpose of this standard is to: a) Establish minimum construction requirements; b) Establish preferred ratings<br />\n c) Establish testing and performance requirements; d) Provide application guidance for the ME bus types covered by this standard. """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Standard for Metal-Enclosed Bus" -notes: "Active" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#93675 …} #channels: Doctrine\ORM\PersistentCollection {#93668 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#93673 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#93670 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#93685 …} -apiLastModifiedAt: DateTime @1754517600 {#93655 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#93691 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @1463436000 {#93690 : 2016-05-17 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: null -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 80 -documents: Doctrine\ORM\PersistentCollection {#93681 …} -favorites: Doctrine\ORM\PersistentCollection {#93679 …} } +label: "Most Recent" +icon: "check-xs" -mostRecentAttributeCode: "most_recent" -localeContext: Sylius\Component\Locale\Context\CompositeLocaleContext {#1833 …} } |
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| ProductState | App\Twig\Components\ProductState | 82.0 MiB | 0.19 ms | |
|---|---|---|---|---|
| Input props | [ "product" => App\Entity\Product\Product {#106663 #id: 10009 #code: "IEEE00003437" #attributes: Doctrine\ORM\PersistentCollection {#106644 …} #variants: Doctrine\ORM\PersistentCollection {#106641 …} #options: Doctrine\ORM\PersistentCollection {#106637 …} #associations: Doctrine\ORM\PersistentCollection {#106639 …} #createdAt: DateTime @1751038741 {#106630 : 2025-06-27 17:39:01.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#106643 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#106654 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#106891 #locale: "en_US" #translatable: App\Entity\Product\Product {#106663} #id: 35045 #name: "IEEE C37.23:2003 (R2008)" #slug: "ieee-c37-23-2003-r2008-ieee00003437-241661" #description: """ Revision Standard - Superseded.<br />\n Metal-enclosed (ME) bus assemblies for indoor and outdoor use are covered in this standard.<br />\n The types of assemblies covered are nonsegregated-phase bus, segregated-phase bus, and<br />\n isolated-phase bus. Rated maximum voltages of ac ME bus assemblies range from 0.635 kV<br />\n through 38 kV with continuous current ratings of 600 A through 26 000 A for self-cooled ratings and<br />\n up to 40 000 A and above for force-cooled ratings. Rated maximum voltage levels of dc bus assemblies<br />\n range from 300 V through 3200 V with continuous current ratings of 600 A through 12 000 A.<br />\n Service conditions, ratings, temperature limitations and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and application are discussed.<br />\n A guide for calculating losses in isolated-phase bus is included.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed (ME) conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard.<br />\n This standard is concerned with performance characteristics of enclosed, rather than open, indoor and outdoor conductor assemblies with rated maximum operating voltages through 38 kV. While this standard does cover 600 V bus assemblies, it does not pertain to UL 857-2001 type busways and associated fittings, nor does it pertain to ME bus assemblies utilizing cables as the primary conductors. """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Standard for Metal-Enclosed Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#106652 …} #channels: Doctrine\ORM\PersistentCollection {#106646 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#106650 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#106648 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#106661 …} -apiLastModifiedAt: DateTime @1754517600 {#106670 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#106674 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @1082930400 {#106628 : 2004-04-26 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @1213221600 {#106662 : 2008-06-12 00:00:00.0 Europe/Paris (+02:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#106659 …} -favorites: Doctrine\ORM\PersistentCollection {#106657 …} } "showFullLabel" => "true" ] |
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| Attributes | [ "showFullLabel" => "true" ] |
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| Component | App\Twig\Components\ProductState {#106906 +product: App\Entity\Product\Product {#106663 #id: 10009 #code: "IEEE00003437" #attributes: Doctrine\ORM\PersistentCollection {#106644 …} #variants: Doctrine\ORM\PersistentCollection {#106641 …} #options: Doctrine\ORM\PersistentCollection {#106637 …} #associations: Doctrine\ORM\PersistentCollection {#106639 …} #createdAt: DateTime @1751038741 {#106630 : 2025-06-27 17:39:01.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#106643 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#106654 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#106891 #locale: "en_US" #translatable: App\Entity\Product\Product {#106663} #id: 35045 #name: "IEEE C37.23:2003 (R2008)" #slug: "ieee-c37-23-2003-r2008-ieee00003437-241661" #description: """ Revision Standard - Superseded.<br />\n Metal-enclosed (ME) bus assemblies for indoor and outdoor use are covered in this standard.<br />\n The types of assemblies covered are nonsegregated-phase bus, segregated-phase bus, and<br />\n isolated-phase bus. Rated maximum voltages of ac ME bus assemblies range from 0.635 kV<br />\n through 38 kV with continuous current ratings of 600 A through 26 000 A for self-cooled ratings and<br />\n up to 40 000 A and above for force-cooled ratings. Rated maximum voltage levels of dc bus assemblies<br />\n range from 300 V through 3200 V with continuous current ratings of 600 A through 12 000 A.<br />\n Service conditions, ratings, temperature limitations and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and application are discussed.<br />\n A guide for calculating losses in isolated-phase bus is included.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed (ME) conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard.<br />\n This standard is concerned with performance characteristics of enclosed, rather than open, indoor and outdoor conductor assemblies with rated maximum operating voltages through 38 kV. While this standard does cover 600 V bus assemblies, it does not pertain to UL 857-2001 type busways and associated fittings, nor does it pertain to ME bus assemblies utilizing cables as the primary conductors. """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Standard for Metal-Enclosed Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#106652 …} #channels: Doctrine\ORM\PersistentCollection {#106646 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#106650 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#106648 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#106661 …} -apiLastModifiedAt: DateTime @1754517600 {#106670 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#106674 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @1082930400 {#106628 : 2004-04-26 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @1213221600 {#106662 : 2008-06-12 00:00:00.0 Europe/Paris (+02:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#106659 …} -favorites: Doctrine\ORM\PersistentCollection {#106657 …} } +appearance: "state-suspended" +labels: [ "Superseded" "Confirmed" ] -stateAttributeCode: "state" -localeContext: Sylius\Component\Locale\Context\CompositeLocaleContext {#1833 …} } |
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| ProductMostRecent | App\Twig\Components\ProductMostRecent | 82.0 MiB | 0.66 ms | |
|---|---|---|---|---|
| Input props | [ "product" => App\Entity\Product\Product {#106663 #id: 10009 #code: "IEEE00003437" #attributes: Doctrine\ORM\PersistentCollection {#106644 …} #variants: Doctrine\ORM\PersistentCollection {#106641 …} #options: Doctrine\ORM\PersistentCollection {#106637 …} #associations: Doctrine\ORM\PersistentCollection {#106639 …} #createdAt: DateTime @1751038741 {#106630 : 2025-06-27 17:39:01.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#106643 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#106654 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#106891 #locale: "en_US" #translatable: App\Entity\Product\Product {#106663} #id: 35045 #name: "IEEE C37.23:2003 (R2008)" #slug: "ieee-c37-23-2003-r2008-ieee00003437-241661" #description: """ Revision Standard - Superseded.<br />\n Metal-enclosed (ME) bus assemblies for indoor and outdoor use are covered in this standard.<br />\n The types of assemblies covered are nonsegregated-phase bus, segregated-phase bus, and<br />\n isolated-phase bus. Rated maximum voltages of ac ME bus assemblies range from 0.635 kV<br />\n through 38 kV with continuous current ratings of 600 A through 26 000 A for self-cooled ratings and<br />\n up to 40 000 A and above for force-cooled ratings. Rated maximum voltage levels of dc bus assemblies<br />\n range from 300 V through 3200 V with continuous current ratings of 600 A through 12 000 A.<br />\n Service conditions, ratings, temperature limitations and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and application are discussed.<br />\n A guide for calculating losses in isolated-phase bus is included.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed (ME) conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard.<br />\n This standard is concerned with performance characteristics of enclosed, rather than open, indoor and outdoor conductor assemblies with rated maximum operating voltages through 38 kV. While this standard does cover 600 V bus assemblies, it does not pertain to UL 857-2001 type busways and associated fittings, nor does it pertain to ME bus assemblies utilizing cables as the primary conductors. """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Standard for Metal-Enclosed Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#106652 …} #channels: Doctrine\ORM\PersistentCollection {#106646 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#106650 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#106648 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#106661 …} -apiLastModifiedAt: DateTime @1754517600 {#106670 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#106674 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @1082930400 {#106628 : 2004-04-26 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @1213221600 {#106662 : 2008-06-12 00:00:00.0 Europe/Paris (+02:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#106659 …} -favorites: Doctrine\ORM\PersistentCollection {#106657 …} } ] |
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| Component | App\Twig\Components\ProductMostRecent {#106958 +product: App\Entity\Product\Product {#106663 #id: 10009 #code: "IEEE00003437" #attributes: Doctrine\ORM\PersistentCollection {#106644 …} #variants: Doctrine\ORM\PersistentCollection {#106641 …} #options: Doctrine\ORM\PersistentCollection {#106637 …} #associations: Doctrine\ORM\PersistentCollection {#106639 …} #createdAt: DateTime @1751038741 {#106630 : 2025-06-27 17:39:01.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#106643 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#106654 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#106891 #locale: "en_US" #translatable: App\Entity\Product\Product {#106663} #id: 35045 #name: "IEEE C37.23:2003 (R2008)" #slug: "ieee-c37-23-2003-r2008-ieee00003437-241661" #description: """ Revision Standard - Superseded.<br />\n Metal-enclosed (ME) bus assemblies for indoor and outdoor use are covered in this standard.<br />\n The types of assemblies covered are nonsegregated-phase bus, segregated-phase bus, and<br />\n isolated-phase bus. Rated maximum voltages of ac ME bus assemblies range from 0.635 kV<br />\n through 38 kV with continuous current ratings of 600 A through 26 000 A for self-cooled ratings and<br />\n up to 40 000 A and above for force-cooled ratings. Rated maximum voltage levels of dc bus assemblies<br />\n range from 300 V through 3200 V with continuous current ratings of 600 A through 12 000 A.<br />\n Service conditions, ratings, temperature limitations and classification of insulating materials, insulation (dielectric) withstand voltage requirements, test procedures, and application are discussed.<br />\n A guide for calculating losses in isolated-phase bus is included.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed (ME) conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard.<br />\n This standard is concerned with performance characteristics of enclosed, rather than open, indoor and outdoor conductor assemblies with rated maximum operating voltages through 38 kV. While this standard does cover 600 V bus assemblies, it does not pertain to UL 857-2001 type busways and associated fittings, nor does it pertain to ME bus assemblies utilizing cables as the primary conductors. """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Standard for Metal-Enclosed Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#106652 …} #channels: Doctrine\ORM\PersistentCollection {#106646 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#106650 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#106648 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#106661 …} -apiLastModifiedAt: DateTime @1754517600 {#106670 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#106674 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @1082930400 {#106628 : 2004-04-26 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @1213221600 {#106662 : 2008-06-12 00:00:00.0 Europe/Paris (+02:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#106659 …} -favorites: Doctrine\ORM\PersistentCollection {#106657 …} } +label: "Historical" +icon: "historical" -mostRecentAttributeCode: "most_recent" -localeContext: Sylius\Component\Locale\Context\CompositeLocaleContext {#1833 …} } |
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| Input props | [ "product" => App\Entity\Product\Product {#7311 #id: 9528 #code: "IEEE00002507" #attributes: Doctrine\ORM\PersistentCollection {#7701 …} #variants: Doctrine\ORM\PersistentCollection {#7744 …} #options: Doctrine\ORM\PersistentCollection {#7916 …} #associations: Doctrine\ORM\PersistentCollection {#7900 …} #createdAt: DateTime @1751038338 {#7274 : 2025-06-27 17:32:18.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#7322 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#7922 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#7921 #locale: "en_US" #translatable: App\Entity\Product\Product {#7311} #id: 33121 #name: "IEEE C37.23:1987 (R1991)" #slug: "ieee-c37-23-1987-r1991-ieee00002507-241180" #description: """ New IEEE Standard - Superseded.<br />\n Interpretations are available at: http://standards.ieee.org/reading/ieee/interp/C37.23-1987.html This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. Assemblies of metal-enclosed conductors and their associated interconnections, enclosures, supporting structures, switches, and disconnecting links are addressed. Ratings, tests, construction, miscellaneous accessories, and loss calculation for isolated-phase buses are covered. Specifically excluded are busways or bus assemblies for distribution of electric power less than 600 V, which consist of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor), plug-in busways (indoor only), and bus assemblies utilized at voltages in excess of 38.0 kV.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard. Basically, this standard is concerned with performance characteristics of enclosed, rather than open, conductor assemblies. It does not pertain to busyways or bus assemblies for distribution of electric power less than 600 V consisting of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor) and plug-in busways (indoor only). It does not include enclosed bus assemblies utilized at voltages in excess of 38.0 kV (see ANSI/UL 857-1981 ). """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Guide for Metal-Enclosed Bus and Calculating Losses in Isolated-Phase Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#7534 …} #channels: Doctrine\ORM\PersistentCollection {#7628 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#7613 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#7645 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7321 …} -apiLastModifiedAt: DateTime @1754517600 {#7317 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#7292 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @552520800 {#7318 : 1987-07-06 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @691887600 {#7316 : 1991-12-05 00:00:00.0 Europe/Paris (+01:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#7465 …} -favorites: Doctrine\ORM\PersistentCollection {#7500 …} } "showFullLabel" => "true" ] |
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| Input props | [ "product" => App\Entity\Product\Product {#7311 #id: 9528 #code: "IEEE00002507" #attributes: Doctrine\ORM\PersistentCollection {#7701 …} #variants: Doctrine\ORM\PersistentCollection {#7744 …} #options: Doctrine\ORM\PersistentCollection {#7916 …} #associations: Doctrine\ORM\PersistentCollection {#7900 …} #createdAt: DateTime @1751038338 {#7274 : 2025-06-27 17:32:18.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#7322 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#7922 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#7921 #locale: "en_US" #translatable: App\Entity\Product\Product {#7311} #id: 33121 #name: "IEEE C37.23:1987 (R1991)" #slug: "ieee-c37-23-1987-r1991-ieee00002507-241180" #description: """ New IEEE Standard - Superseded.<br />\n Interpretations are available at: http://standards.ieee.org/reading/ieee/interp/C37.23-1987.html This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. Assemblies of metal-enclosed conductors and their associated interconnections, enclosures, supporting structures, switches, and disconnecting links are addressed. Ratings, tests, construction, miscellaneous accessories, and loss calculation for isolated-phase buses are covered. Specifically excluded are busways or bus assemblies for distribution of electric power less than 600 V, which consist of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor), plug-in busways (indoor only), and bus assemblies utilized at voltages in excess of 38.0 kV.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard. Basically, this standard is concerned with performance characteristics of enclosed, rather than open, conductor assemblies. It does not pertain to busyways or bus assemblies for distribution of electric power less than 600 V consisting of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor) and plug-in busways (indoor only). It does not include enclosed bus assemblies utilized at voltages in excess of 38.0 kV (see ANSI/UL 857-1981 ). """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Guide for Metal-Enclosed Bus and Calculating Losses in Isolated-Phase Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#7534 …} #channels: Doctrine\ORM\PersistentCollection {#7628 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#7613 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#7645 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7321 …} -apiLastModifiedAt: DateTime @1754517600 {#7317 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#7292 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @552520800 {#7318 : 1987-07-06 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @691887600 {#7316 : 1991-12-05 00:00:00.0 Europe/Paris (+01:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#7465 …} -favorites: Doctrine\ORM\PersistentCollection {#7500 …} } ] |
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| Component | App\Twig\Components\ProductMostRecent {#107049 +product: App\Entity\Product\Product {#7311 #id: 9528 #code: "IEEE00002507" #attributes: Doctrine\ORM\PersistentCollection {#7701 …} #variants: Doctrine\ORM\PersistentCollection {#7744 …} #options: Doctrine\ORM\PersistentCollection {#7916 …} #associations: Doctrine\ORM\PersistentCollection {#7900 …} #createdAt: DateTime @1751038338 {#7274 : 2025-06-27 17:32:18.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1754607004 {#7322 : 2025-08-08 00:50:04.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#7922 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#7921 #locale: "en_US" #translatable: App\Entity\Product\Product {#7311} #id: 33121 #name: "IEEE C37.23:1987 (R1991)" #slug: "ieee-c37-23-1987-r1991-ieee00002507-241180" #description: """ New IEEE Standard - Superseded.<br />\n Interpretations are available at: http://standards.ieee.org/reading/ieee/interp/C37.23-1987.html This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. Assemblies of metal-enclosed conductors and their associated interconnections, enclosures, supporting structures, switches, and disconnecting links are addressed. Ratings, tests, construction, miscellaneous accessories, and loss calculation for isolated-phase buses are covered. Specifically excluded are busways or bus assemblies for distribution of electric power less than 600 V, which consist of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor), plug-in busways (indoor only), and bus assemblies utilized at voltages in excess of 38.0 kV.<br />\n \t\t\t\t<br />\n This standard covers assemblies of metal-enclosed conductors along with associated interconnections, enclosures, and supporting structures. When switches and disconnecting links are included, they shall conform to this standard. Basically, this standard is concerned with performance characteristics of enclosed, rather than open, conductor assemblies. It does not pertain to busyways or bus assemblies for distribution of electric power less than 600 V consisting of enclosed sectionalized prefabricated bus bars or associated structures and fittings, such as feeder busways (indoor or outdoor) and plug-in busways (indoor only). It does not include enclosed bus assemblies utilized at voltages in excess of 38.0 kV (see ANSI/UL 857-1981 ). """ #metaKeywords: null #metaDescription: null #shortDescription: "IEEE Guide for Metal-Enclosed Bus and Calculating Losses in Isolated-Phase Bus" -notes: "Superseded" } ] #currentLocale: "en_US" #currentTranslation: null #fallbackLocale: "en_US" #variantSelectionMethod: "match" #productTaxons: Doctrine\ORM\PersistentCollection {#7534 …} #channels: Doctrine\ORM\PersistentCollection {#7628 …} #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7309 …} #reviews: Doctrine\ORM\PersistentCollection {#7613 …} #averageRating: 0.0 #images: Doctrine\ORM\PersistentCollection {#7645 …} -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7324 …} -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7321 …} -apiLastModifiedAt: DateTime @1754517600 {#7317 : 2025-08-07 00:00:00.0 Europe/Paris (+02:00) } -lastUpdatedAt: DateTime @1578006000 {#7292 : 2020-01-03 00:00:00.0 Europe/Paris (+01:00) } -author: "" -publishedAt: DateTime @552520800 {#7318 : 1987-07-06 00:00:00.0 Europe/Paris (+02:00) } -releasedAt: null -confirmedAt: DateTime @691887600 {#7316 : 1991-12-05 00:00:00.0 Europe/Paris (+01:00) } -canceledAt: null -edition: null -coreDocument: "C37.23" -bookCollection: "" -pageCount: 58 -documents: Doctrine\ORM\PersistentCollection {#7465 …} -favorites: Doctrine\ORM\PersistentCollection {#7500 …} } +label: "Historical" +icon: "historical" -mostRecentAttributeCode: "most_recent" -localeContext: Sylius\Component\Locale\Context\CompositeLocaleContext {#1833 …} } |
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| Input props | [ "product" => App\Entity\Product\Product {#106669 #id: 11797 #code: "IEEE00006566" #attributes: Doctrine\ORM\PersistentCollection {#106696 …} #variants: Doctrine\ORM\PersistentCollection {#106690 …} #options: Doctrine\ORM\PersistentCollection {#106691 …} #associations: Doctrine\ORM\PersistentCollection {#106693 …} #createdAt: DateTime @1751039990 {#106626 : 2025-06-27 17:59:50.0 Europe/Paris (+02:00) } #updatedAt: DateTime @1753970307 {#106632 : 2025-07-31 15:58:27.0 Europe/Paris (+02:00) } #enabled: true #translations: Doctrine\ORM\PersistentCollection {#106708 …} #translationsCache: [ "en_US" => App\Entity\Product\ProductTranslation {#107115 #locale: "en_US" #translatable: App\Entity\Product\Product {#106669} #id: 42197 #name: "ANSI/IEEE C37.23:1969" #slug: "ansi-ieee-c37-23-1969-ieee00006566-243449" #description: """ - Superseded.<br />\n Over the years, the isolated-phase bus has received widespread application in connecting the output of generators to step-up transformers. The trend toward generating units of larger capacity has dictated the need for higher rated isolated-phase bus designs. The increased losses associated with the higher capacity bus may be significant in the economic evaluation of alternate schemes or selection of equipment. The bus designer must know the magnitude and distribution of losses in order to keep temperature rises of bus components within the limits specified in USA Standard C37.20. In addition, the losses must be known to permit proper sizing of forced-cooling equipment whenever it is used.<br />\n Various papers have been presented that deal with the determination of losses in isolated-phase bus enclosures. The difference in the results obtained for the same bus using various methods is of sufficient magnitude to cause concern. The industry has indicated the need for a guide for calculating losses to establish a common yardstick for establishing, evaluating, and applying different designs.<br />\n \t\t\t\t<br />\n The information in this Guide is applicable to all forms of isolated-phase buses operating in alternating-current power systems. It is not meant to apply to other forms of open or enclosed buses, although some of the material will be useful in most bus applications. Familiarity with Standards applying to metal-enclosed buses is assumed and provisions of those Standards are indicated only when necessary for clarity in describing limiting conditions<br />\n This Guide is intended for general use in the application<br />\n of isolated-phase buses. It will serve as a ready reference<br />\n of pertinent material for those responsible for determining<br />\n losses and evaluating equipment.<br />\n All conductors carrying electric current will produce<br />\n power losses. This Guide covers methods for calculating<br />\n conductor and enclosure losses at bus operating temperatures,<br />\n including skin effect. In making power loss calculations,<br />\n the I2R losses in the enclosure are considered.<br />\n Means of determining such losses for various bus configurations<br />\n are included. If the bus is fored-cooled, the power requirements of the cooling equipment will be included in the total power loss. For high-current installations, consideration should be given to the problem of induced magnetic heating and induced circulating current in nearby metallic members such as support beams and reinforcing rods. The Guide also contains references to assist in the estimation of heating effects of adjacent structural members. Such induced currents should be minimized to reduce extraneous losses. Methods of reducing eddy current and hysteresis losses and eliminating losses due to circulating currents are indicated. 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The trend toward generating units of larger capacity has dictated the need for higher rated isolated-phase bus designs. The increased losses associated with the higher capacity bus may be significant in the economic evaluation of alternate schemes or selection of equipment. The bus designer must know the magnitude and distribution of losses in order to keep temperature rises of bus components within the limits specified in USA Standard C37.20. In addition, the losses must be known to permit proper sizing of forced-cooling equipment whenever it is used.<br />\n Various papers have been presented that deal with the determination of losses in isolated-phase bus enclosures. The difference in the results obtained for the same bus using various methods is of sufficient magnitude to cause concern. The industry has indicated the need for a guide for calculating losses to establish a common yardstick for establishing, evaluating, and applying different designs.<br />\n \t\t\t\t<br />\n The information in this Guide is applicable to all forms of isolated-phase buses operating in alternating-current power systems. It is not meant to apply to other forms of open or enclosed buses, although some of the material will be useful in most bus applications. Familiarity with Standards applying to metal-enclosed buses is assumed and provisions of those Standards are indicated only when necessary for clarity in describing limiting conditions<br />\n This Guide is intended for general use in the application<br />\n of isolated-phase buses. It will serve as a ready reference<br />\n of pertinent material for those responsible for determining<br />\n losses and evaluating equipment.<br />\n All conductors carrying electric current will produce<br />\n power losses. This Guide covers methods for calculating<br />\n conductor and enclosure losses at bus operating temperatures,<br />\n including skin effect. In making power loss calculations,<br />\n the I2R losses in the enclosure are considered.<br />\n Means of determining such losses for various bus configurations<br />\n are included. If the bus is fored-cooled, the power requirements of the cooling equipment will be included in the total power loss. For high-current installations, consideration should be given to the problem of induced magnetic heating and induced circulating current in nearby metallic members such as support beams and reinforcing rods. The Guide also contains references to assist in the estimation of heating effects of adjacent structural members. Such induced currents should be minimized to reduce extraneous losses. Methods of reducing eddy current and hysteresis losses and eliminating losses due to circulating currents are indicated. 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The trend toward generating units of larger capacity has dictated the need for higher rated isolated-phase bus designs. The increased losses associated with the higher capacity bus may be significant in the economic evaluation of alternate schemes or selection of equipment. The bus designer must know the magnitude and distribution of losses in order to keep temperature rises of bus components within the limits specified in USA Standard C37.20. In addition, the losses must be known to permit proper sizing of forced-cooling equipment whenever it is used.<br />\n Various papers have been presented that deal with the determination of losses in isolated-phase bus enclosures. The difference in the results obtained for the same bus using various methods is of sufficient magnitude to cause concern. The industry has indicated the need for a guide for calculating losses to establish a common yardstick for establishing, evaluating, and applying different designs.<br />\n \t\t\t\t<br />\n The information in this Guide is applicable to all forms of isolated-phase buses operating in alternating-current power systems. It is not meant to apply to other forms of open or enclosed buses, although some of the material will be useful in most bus applications. Familiarity with Standards applying to metal-enclosed buses is assumed and provisions of those Standards are indicated only when necessary for clarity in describing limiting conditions<br />\n This Guide is intended for general use in the application<br />\n of isolated-phase buses. It will serve as a ready reference<br />\n of pertinent material for those responsible for determining<br />\n losses and evaluating equipment.<br />\n All conductors carrying electric current will produce<br />\n power losses. 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