GET https://dev.normadoc.fr/products/ieee-99-1980-r2000-ieee00000253-239965

Forms

  • sylius_add_to_cart
    • cartItem
    • _token

sylius_add_to_cart

Form type:
"Sylius\Bundle\CoreBundle\Form\Type\Order\AddToCartType"

Errors

This form has no errors.

Default Data

Property Value
Model Format same as normalized format
Normalized Format
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#120510
  -cart: App\Entity\Order\Order {#13331 …}
  -cartItem: App\Entity\Order\OrderItem {#120498
    #id: null
    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#120523 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#120522 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8100
      #id: 2085
      #code: "IEEE00000253PDF"
      #product: App\Entity\Product\Product {#7311
        #id: 8313
        #code: "IEEE00000253"
        #attributes: Doctrine\ORM\PersistentCollection {#7701 …}
        #variants: Doctrine\ORM\PersistentCollection {#7744 …}
        #options: Doctrine\ORM\PersistentCollection {#7916
          #collection: Doctrine\Common\Collections\ArrayCollection {#7918 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7311}
          -association: [ …21]
          -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#277520 …}
          -isDirty: false
        }
        #associations: Doctrine\ORM\PersistentCollection {#7900 …}
        #createdAt: DateTime @1751037311 {#7274
          date: 2025-06-27 17:15:11.0 Europe/Paris (+02:00)
        }
        #updatedAt: DateTime @1754606304 {#7322
          date: 2025-08-08 00:38:24.0 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: 28261
            #name: "IEEE 99:1980 (R2000)"
            #slug: "ieee-99-1980-r2000-ieee00000253-239965"
            #description: """
              Revision Standard - Superseded.<br />\n
              The purpose of this recommended practice is to provide a general form for the preparation of test procedures and to suggest the points to be considered by technical committees in the preparation of specific instructions for the thermal evaluation of insulation systems for power equipment. These test procedures involve accelerated thermal aging of insulation systems and specify tests which the committees deem pertinent, based on conditions of use.<br />\n
              \t\t\t\t<br />\n
              The purpose of this recommended practice is to provide a general form for the preparation of test procedures and to suggest the points to be considered by technical committees in the preparation of specific instructions for the thermal evaluation of insulation systems for equipment. The thermal evaluation of an insulation system involves the thermal (T) factor of influence as described in IEC 505 (1975), Guide for the Evaluation and Identification of Insulation Systems of Electrical Equipment.<br />\n
              These test procedures involve accelerated thermal aging of insulation systems and specify tests which the committees deem pertinent, based on conditions of use. The objective of these test procedures is to provide for the functional evaluation, by test, of insulation systems for electric equipment. The evaluation of insulating materials and simple combinations thereof is provided for by a separate material test guide, IEEE Std 98-1972, Guide for the Preparation of Test Procedures for the Thermal Evaluation and Establishment of Temperature Indexes of Solid Electrical Insulating Materials.<br />\n
              For a detailed discussion of the principles on which IEEE Std 98-1972 and IEEE Std 99-1980 are based, see IEEE Std 1969, General Principles for Temperature Limits in the Rating of Electrical Equipment. Tests based on IEEE Std 98-1972 may be considered as preliminary tests for insulation system evaluation, but should not be used as accepted tests for the classification of systems.
              """
            #metaKeywords: null
            #metaDescription: null
            #shortDescription: "IEEE Recommended Practice for the Preparation of Test Procedures for the Thermal Evaluation of Insulation Systems for Electric Equipment"
            -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
          date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
        }
        -lastUpdatedAt: DateTime @1704927600 {#7292
          date: 2024-01-11 00:00:00.0 Europe/Paris (+01:00)
        }
        -author: ""
        -publishedAt: DateTime @332719200 {#7318
          date: 1980-07-18 00:00:00.0 Europe/Paris (+02:00)
        }
        -releasedAt: null
        -confirmedAt: DateTime @969487200 {#7316
          date: 2000-09-21 00:00:00.0 Europe/Paris (+02:00)
        }
        -canceledAt: null
        -edition: null
        -coreDocument: "99"
        -bookCollection: ""
        -pageCount: 12
        -documents: Doctrine\ORM\PersistentCollection {#7465 …}
        -favorites: Doctrine\ORM\PersistentCollection {#7500 …}
      }
      #optionValues: Doctrine\ORM\PersistentCollection {#8316 …}
      #position: 0
      #createdAt: DateTime @1751041107 {#7967
        date: 2025-06-27 18:18:27.0 Europe/Paris (+02:00)
      }
      #updatedAt: DateTime @1755611955 {#8117
        date: 2025-08-19 15:59:15.0 Europe/Paris (+02:00)
      }
      #enabled: true
      #translations: Doctrine\ORM\PersistentCollection {#8260 …}
      #translationsCache: [
        "en_US" => App\Entity\Product\ProductVariantTranslation {#93206
          #locale: "en_US"
          #translatable: App\Entity\Product\ProductVariant {#8100}
          #id: 2103
          #name: null
          -shortDescription: null
          -description: null
          -notes: null
          -shippingInformation: "Instant download"
        }
      ]
      #currentLocale: "en_US"
      #currentTranslation: null
      #fallbackLocale: "en_US"
      #version: 9
      #onHold: 0
      #onHand: 0
      #tracked: false
      #weight: 0.0
      #width: null
      #height: null
      #depth: null
      #taxCategory: Proxies\__CG__\App\Entity\Taxation\TaxCategory {#8132 …}
      #shippingCategory: null
      #channelPricings: Doctrine\ORM\PersistentCollection {#8294 …}
      #shippingRequired: true
      #images: Doctrine\ORM\PersistentCollection {#8291 …}
      -apiLastModifiedAt: DateTime @1753740000 {#8099
        date: 2025-07-29 00:00:00.0 Europe/Paris (+02:00)
      }
      -publishedAt: null
      -isbn: "978-0-7381-0575-8"
      -ean: "9780738105758"
      -numberOfUsers: 1
      -physicalProduct: false
      -downloadableImmediately: true
      -downloadable: true
      -drmViewerUrl: "https://online-viewer.normadoc.com/FYUDa6"
      -sellable: true
      -documents: Doctrine\ORM\PersistentCollection {#8128 …}
      -drmTokens: Doctrine\ORM\PersistentCollection {#8120 …}
      -enabledForSubscribers: true
      -currentAreaContext: null
    }
    #productName: null
    #variantName: null
  }
}
View Format same as normalized format

Submitted Data

This form was not submitted.

Passed Options

Option Passed Value Resolved Value
data
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#120510
  -cart: App\Entity\Order\Order {#13331 …}
  -cartItem: App\Entity\Order\OrderItem {#120498
    #id: null
    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#120523 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#120522 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8100
      #id: 2085
      #code: "IEEE00000253PDF"
      #product: App\Entity\Product\Product {#7311
        #id: 8313
        #code: "IEEE00000253"
        #attributes: Doctrine\ORM\PersistentCollection {#7701 …}
        #variants: Doctrine\ORM\PersistentCollection {#7744 …}
        #options: Doctrine\ORM\PersistentCollection {#7916
          #collection: Doctrine\Common\Collections\ArrayCollection {#7918 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7311}
          -association: [ …21]
          -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#277520 …}
          -isDirty: false
        }
        #associations: Doctrine\ORM\PersistentCollection {#7900 …}
        #createdAt: DateTime @1751037311 {#7274
          date: 2025-06-27 17:15:11.0 Europe/Paris (+02:00)
        }
        #updatedAt: DateTime @1754606304 {#7322
          date: 2025-08-08 00:38:24.0 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: 28261
            #name: "IEEE 99:1980 (R2000)"
            #slug: "ieee-99-1980-r2000-ieee00000253-239965"
            #description: """
              Revision Standard - Superseded.<br />\n
              The purpose of this recommended practice is to provide a general form for the preparation of test procedures and to suggest the points to be considered by technical committees in the preparation of specific instructions for the thermal evaluation of insulation systems for power equipment. These test procedures involve accelerated thermal aging of insulation systems and specify tests which the committees deem pertinent, based on conditions of use.<br />\n
              \t\t\t\t<br />\n
              The purpose of this recommended practice is to provide a general form for the preparation of test procedures and to suggest the points to be considered by technical committees in the preparation of specific instructions for the thermal evaluation of insulation systems for equipment. The thermal evaluation of an insulation system involves the thermal (T) factor of influence as described in IEC 505 (1975), Guide for the Evaluation and Identification of Insulation Systems of Electrical Equipment.<br />\n
              These test procedures involve accelerated thermal aging of insulation systems and specify tests which the committees deem pertinent, based on conditions of use. The objective of these test procedures is to provide for the functional evaluation, by test, of insulation systems for electric equipment. The evaluation of insulating materials and simple combinations thereof is provided for by a separate material test guide, IEEE Std 98-1972, Guide for the Preparation of Test Procedures for the Thermal Evaluation and Establishment of Temperature Indexes of Solid Electrical Insulating Materials.<br />\n
              For a detailed discussion of the principles on which IEEE Std 98-1972 and IEEE Std 99-1980 are based, see IEEE Std 1969, General Principles for Temperature Limits in the Rating of Electrical Equipment. Tests based on IEEE Std 98-1972 may be considered as preliminary tests for insulation system evaluation, but should not be used as accepted tests for the classification of systems.
              """
            #metaKeywords: null
            #metaDescription: null
            #shortDescription: "IEEE Recommended Practice for the Preparation of Test Procedures for the Thermal Evaluation of Insulation Systems for Electric Equipment"
            -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
          date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
        }
        -lastUpdatedAt: DateTime @1704927600 {#7292
          date: 2024-01-11 00:00:00.0 Europe/Paris (+01:00)
        }
        -author: ""
        -publishedAt: DateTime @332719200 {#7318
          date: 1980-07-18 00:00:00.0 Europe/Paris (+02:00)
        }
        -releasedAt: null
        -confirmedAt: DateTime @969487200 {#7316
          date: 2000-09-21 00:00:00.0 Europe/Paris (+02:00)
        }
        -canceledAt: null
        -edition: null
        -coreDocument: "99"
        -bookCollection: ""
        -pageCount: 12
        -documents: Doctrine\ORM\PersistentCollection {#7465 …}
        -favorites: Doctrine\ORM\PersistentCollection {#7500 …}
      }
      #optionValues: Doctrine\ORM\PersistentCollection {#8316 …}
      #position: 0
      #createdAt: DateTime @1751041107 {#7967
        date: 2025-06-27 18:18:27.0 Europe/Paris (+02:00)
      }
      #updatedAt: DateTime @1755611955 {#8117
        date: 2025-08-19 15:59:15.0 Europe/Paris (+02:00)
      }
      #enabled: true
      #translations: Doctrine\ORM\PersistentCollection {#8260 …}
      #translationsCache: [
        "en_US" => App\Entity\Product\ProductVariantTranslation {#93206
          #locale: "en_US"
          #translatable: App\Entity\Product\ProductVariant {#8100}
          #id: 2103
          #name: null
          -shortDescription: null
          -description: null
          -notes: null
          -shippingInformation: "Instant download"
        }
      ]
      #currentLocale: "en_US"
      #currentTranslation: null
      #fallbackLocale: "en_US"
      #version: 9
      #onHold: 0
      #onHand: 0
      #tracked: false
      #weight: 0.0
      #width: null
      #height: null
      #depth: null
      #taxCategory: Proxies\__CG__\App\Entity\Taxation\TaxCategory {#8132 …}
      #shippingCategory: null
      #channelPricings: Doctrine\ORM\PersistentCollection {#8294 …}
      #shippingRequired: true
      #images: Doctrine\ORM\PersistentCollection {#8291 …}
      -apiLastModifiedAt: DateTime @1753740000 {#8099
        date: 2025-07-29 00:00:00.0 Europe/Paris (+02:00)
      }
      -publishedAt: null
      -isbn: "978-0-7381-0575-8"
      -ean: "9780738105758"
      -numberOfUsers: 1
      -physicalProduct: false
      -downloadableImmediately: true
      -downloadable: true
      -drmViewerUrl: "https://online-viewer.normadoc.com/FYUDa6"
      -sellable: true
      -documents: Doctrine\ORM\PersistentCollection {#8128 …}
      -drmTokens: Doctrine\ORM\PersistentCollection {#8120 …}
      -enabledForSubscribers: true
      -currentAreaContext: null
    }
    #productName: null
    #variantName: null
  }
}
same as passed value
product
App\Entity\Product\Product {#7311
  #id: 8313
  #code: "IEEE00000253"
  #attributes: Doctrine\ORM\PersistentCollection {#7701 …}
  #variants: Doctrine\ORM\PersistentCollection {#7744 …}
  #options: Doctrine\ORM\PersistentCollection {#7916
    #collection: Doctrine\Common\Collections\ArrayCollection {#7918 …}
    #initialized: true
    -snapshot: [ …4]
    -owner: App\Entity\Product\Product {#7311}
    -association: [ …21]
    -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
    -backRefFieldName: null
    -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#277520 …}
    -isDirty: false
  }
  #associations: Doctrine\ORM\PersistentCollection {#7900 …}
  #createdAt: DateTime @1751037311 {#7274
    date: 2025-06-27 17:15:11.0 Europe/Paris (+02:00)
  }
  #updatedAt: DateTime @1754606304 {#7322
    date: 2025-08-08 00:38:24.0 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: 28261
      #name: "IEEE 99:1980 (R2000)"
      #slug: "ieee-99-1980-r2000-ieee00000253-239965"
      #description: """
        Revision Standard - Superseded.<br />\n
        The purpose of this recommended practice is to provide a general form for the preparation of test procedures and to suggest the points to be considered by technical committees in the preparation of specific instructions for the thermal evaluation of insulation systems for power equipment. These test procedures involve accelerated thermal aging of insulation systems and specify tests which the committees deem pertinent, based on conditions of use.<br />\n
        \t\t\t\t<br />\n
        The purpose of this recommended practice is to provide a general form for the preparation of test procedures and to suggest the points to be considered by technical committees in the preparation of specific instructions for the thermal evaluation of insulation systems for equipment. The thermal evaluation of an insulation system involves the thermal (T) factor of influence as described in IEC 505 (1975), Guide for the Evaluation and Identification of Insulation Systems of Electrical Equipment.<br />\n
        These test procedures involve accelerated thermal aging of insulation systems and specify tests which the committees deem pertinent, based on conditions of use. The objective of these test procedures is to provide for the functional evaluation, by test, of insulation systems for electric equipment. The evaluation of insulating materials and simple combinations thereof is provided for by a separate material test guide, IEEE Std 98-1972, Guide for the Preparation of Test Procedures for the Thermal Evaluation and Establishment of Temperature Indexes of Solid Electrical Insulating Materials.<br />\n
        For a detailed discussion of the principles on which IEEE Std 98-1972 and IEEE Std 99-1980 are based, see IEEE Std 1969, General Principles for Temperature Limits in the Rating of Electrical Equipment. Tests based on IEEE Std 98-1972 may be considered as preliminary tests for insulation system evaluation, but should not be used as accepted tests for the classification of systems.
        """
      #metaKeywords: null
      #metaDescription: null
      #shortDescription: "IEEE Recommended Practice for the Preparation of Test Procedures for the Thermal Evaluation of Insulation Systems for Electric Equipment"
      -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
    date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
  }
  -lastUpdatedAt: DateTime @1704927600 {#7292
    date: 2024-01-11 00:00:00.0 Europe/Paris (+01:00)
  }
  -author: ""
  -publishedAt: DateTime @332719200 {#7318
    date: 1980-07-18 00:00:00.0 Europe/Paris (+02:00)
  }
  -releasedAt: null
  -confirmedAt: DateTime @969487200 {#7316
    date: 2000-09-21 00:00:00.0 Europe/Paris (+02:00)
  }
  -canceledAt: null
  -edition: null
  -coreDocument: "99"
  -bookCollection: ""
  -pageCount: 12
  -documents: Doctrine\ORM\PersistentCollection {#7465 …}
  -favorites: Doctrine\ORM\PersistentCollection {#7500 …}
}
same as passed value

Resolved Options

Option Value
action
""
allow_extra_fields
false
allow_file_upload
false
attr
[]
attr_translation_parameters
[]
auto_initialize
true
block_name
null
block_prefix
null
by_reference
true
compound
true
constraints
[]
csrf_field_name
"_token"
csrf_message
"The CSRF token is invalid. Please try to resubmit the form."
csrf_protection
true
csrf_token_id
null
csrf_token_manager
Symfony\Component\Security\Csrf\CsrfTokenManager {#120530
  -generator: Symfony\Component\Security\Csrf\TokenGenerator\UriSafeTokenGenerator {#120531 …}
  -storage: Symfony\Component\Security\Csrf\TokenStorage\SessionTokenStorage {#120532 …}
  -namespace: Closure() {#120534 …}
}
data
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#120510
  -cart: App\Entity\Order\Order {#13331 …}
  -cartItem: App\Entity\Order\OrderItem {#120498
    #id: null
    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#120523 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#120522 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8100
      #id: 2085
      #code: "IEEE00000253PDF"
      #product: App\Entity\Product\Product {#7311
        #id: 8313
        #code: "IEEE00000253"
        #attributes: Doctrine\ORM\PersistentCollection {#7701 …}
        #variants: Doctrine\ORM\PersistentCollection {#7744 …}
        #options: Doctrine\ORM\PersistentCollection {#7916
          #collection: Doctrine\Common\Collections\ArrayCollection {#7918 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7311}
          -association: [ …21]
          -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#277520 …}
          -isDirty: false
        }
        #associations: Doctrine\ORM\PersistentCollection {#7900 …}
        #createdAt: DateTime @1751037311 {#7274
          date: 2025-06-27 17:15:11.0 Europe/Paris (+02:00)
        }
        #updatedAt: DateTime @1754606304 {#7322
          date: 2025-08-08 00:38:24.0 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: 28261
            #name: "IEEE 99:1980 (R2000)"
            #slug: "ieee-99-1980-r2000-ieee00000253-239965"
            #description: """
              Revision Standard - Superseded.<br />\n
              The purpose of this recommended practice is to provide a general form for the preparation of test procedures and to suggest the points to be considered by technical committees in the preparation of specific instructions for the thermal evaluation of insulation systems for power equipment. These test procedures involve accelerated thermal aging of insulation systems and specify tests which the committees deem pertinent, based on conditions of use.<br />\n
              \t\t\t\t<br />\n
              The purpose of this recommended practice is to provide a general form for the preparation of test procedures and to suggest the points to be considered by technical committees in the preparation of specific instructions for the thermal evaluation of insulation systems for equipment. The thermal evaluation of an insulation system involves the thermal (T) factor of influence as described in IEC 505 (1975), Guide for the Evaluation and Identification of Insulation Systems of Electrical Equipment.<br />\n
              These test procedures involve accelerated thermal aging of insulation systems and specify tests which the committees deem pertinent, based on conditions of use. The objective of these test procedures is to provide for the functional evaluation, by test, of insulation systems for electric equipment. The evaluation of insulating materials and simple combinations thereof is provided for by a separate material test guide, IEEE Std 98-1972, Guide for the Preparation of Test Procedures for the Thermal Evaluation and Establishment of Temperature Indexes of Solid Electrical Insulating Materials.<br />\n
              For a detailed discussion of the principles on which IEEE Std 98-1972 and IEEE Std 99-1980 are based, see IEEE Std 1969, General Principles for Temperature Limits in the Rating of Electrical Equipment. Tests based on IEEE Std 98-1972 may be considered as preliminary tests for insulation system evaluation, but should not be used as accepted tests for the classification of systems.
              """
            #metaKeywords: null
            #metaDescription: null
            #shortDescription: "IEEE Recommended Practice for the Preparation of Test Procedures for the Thermal Evaluation of Insulation Systems for Electric Equipment"
            -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
          date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
        }
        -lastUpdatedAt: DateTime @1704927600 {#7292
          date: 2024-01-11 00:00:00.0 Europe/Paris (+01:00)
        }
        -author: ""
        -publishedAt: DateTime @332719200 {#7318
          date: 1980-07-18 00:00:00.0 Europe/Paris (+02:00)
        }
        -releasedAt: null
        -confirmedAt: DateTime @969487200 {#7316
          date: 2000-09-21 00:00:00.0 Europe/Paris (+02:00)
        }
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              Revision Standard - Superseded.<br />\n
              The purpose of this recommended practice is to provide a general form for the preparation of test procedures and to suggest the points to be considered by technical committees in the preparation of specific instructions for the thermal evaluation of insulation systems for power equipment. These test procedures involve accelerated thermal aging of insulation systems and specify tests which the committees deem pertinent, based on conditions of use.<br />\n
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