IEEE

IEEE PC37.20.7

IEEE Draft Guide for Testing Switchgear Rated Up to 52 kV for Internal Arcing Faults - Corrigenda #1

IEEE PC37.20.7

IEEE Draft Guide for Testing Switchgear Rated Up to 52 kV for Internal Arcing Faults - Corrigenda #1


IEEE PC37.20.7

IEEE Проект Руководства для тестирования распределительного устройства напряжения до 52 кВ для внутренней дуги отказов - Corrigenda # 1


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IEEE PC37.20.7 IEEE Draft Guide for Testing Switchgear Rated Up to 52 kV for Internal Arcing Faults - Corrigenda #1

IEEE PC37.20.7 IEEE Проект Руководства для тестирования распределительного устройства напряжения до 52 кВ для внутренней дуги отказов - Corrigenda # 1

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This guide establishes methods by which equipment may be tested for resistance to the effects of arcing due to an internal fault. Equipment types covered in this guide include metal-enclosed switchgear as defined by IEEE Std C37.20.1™, IEEE Std C37.20.2™, IEEE Std C37.20.3™ and IEEE Std C37.20.9™; metal-enclosed bus as defined by IEEE Std C37.23™; medium-voltage ac controllers as defined by UL 347; motor control centers as defined by UL 845; switchboards as defined by UL 891; and metal-enclosed medium-voltage air-insulated circuit breakers for outdoor application defined by IEEE Std C37.04™ (see note). This guide applies only to equipment utilizing air or other insulating gas as the primary insulation medium and rated 52 kV ac or below. It applies to both indoor and outdoor equipment; however, special consideration should be given to the building size and construction for indoor applications (not fully addressed by this document). The tests and assessments described in this guide are only applicable to arcing faults occurring entirely in air within the enclosure when doors and covers are properly secured in accordance with the rated accessibility type. This guide does not apply to arcing faults that occur within componen

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[4] IEEE Power and Energy Society

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