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GB/T 31487.3-2015 English PDF (GBT31487.3-2015)

GB/T 31487.3-2015 English PDF (GBT31487.3-2015)

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GB/T 31487.3-2015: Direct current de-icing devices -- Part 3: Tests
This Part of GB/T 31487 specifies the basic requirements of type tests, routine tests, field tests, periodical tests and equivalent tests of direct current de-icing devices. This Part applies to thyristor-based DC de-icing devices of 500kV and below AC transmission lines. For the DC de-icing devices of other voltage classes and based on other power devices, it may reference to this Part.

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