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IEEE C37.20.9 IEEE Draft Metal Enclosed Switchgear Rated 1 kV to 52 kV Incorporating Gas Insulation Systems

【国外标准】 IEEE Draft Metal Enclosed Switchgear Rated 1 kV to 52 kV Incorporating Gas Insulation Systems

本网站发布时间： 2025-04-28

IEEE C37.20.9
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标准简介

适用范围：

This standard covers the design, testing, and installation of metal enclosed switchgear that incorporates gas (typically SF6) at higher than ambient pressure as an insulation medium for alternating-current applications above 1 kV to 52 kV. Contents of switchgear may include but are not limited to circuit breakers, switches, bushings, buses, instrument transformers, cable terminations, instrumentation, metering and controls, and protective relays. In a vertical section of the switchgear, some or… read more all of the medium voltage compartment(s) shall be comprised of a gas pressure system for the primary insulating medium. This standard covers both indoor and outdoor installations.This does not cover switchgear that is covered under C37.20.2, C37.20.3, or C37.74 that uses individual components that are gas insulated such as switches, circuit breakers and other equipment, nor does it fully cover these components which are covered by their individual component standards. read less

基本信息

标准号：
IEEE C37.20.9
标准名称：
IEEE Draft Metal Enclosed Switchgear Rated 1 kV to 52 kV Incorporating Gas Insulation Systems
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