IEEE C37.74-2014-IEEE 38 kV以下交流系统地下、拱顶和挂载负载断路器开关设备和熔断负载断路器开关设备的标准要求-国家数字标准馆

现行 IEEE C37.74-2014

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IEEE Standard Requirements for Subsurface, Vault, and Padmounted Load-Interrupter Switchgear and Fused Load-Interrupter Switchgear for Alternating Current Systems up to 38 kV IEEE 38 kV以下交流系统地下、拱顶和挂载负载断路器开关设备和熔断负载断路器开关设备的标准要求

发布日期： 2015-03-31

本标准适用于单相和三相、死前和活前、地下、拱顶和挂载负载断路器开关的封闭组件，带或不带保险丝或故障断路器等保护装置，最高额定电压为38 kV。

This standard applies to enclosed assemblies of single-phase and three-phase, dead-front and live-front, subsurface, vault, and padmounted, load-interrupter switches with or without protective devices such as fuses or fault interrupters, up to 38 kV rated maximum voltage.

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发布单位或类别：美国-美国电气电子工程师学会

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现行

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现行

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