IEEE C37.122.7-2021 PDF
This guide provides guidance and recommendations for required and optional field tests of newly installed gas-insulated substations above 52 kV. New IEEE Standard - Active. Information of special relevance to the field testing of newly installed, gas-insulated substations (GIS) is provided in this guide, which is intended to supplement IEEE Std C37.122(TM). This guide is applicable to all GIS above 52 kV. This guide is applicable to all gas-insulated substations (GIS) above 52 kV.More Standards PDF
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