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.Direct current de-icing devices - Part 3: Tests (GBT 31487.3-2015; GBT31487.3- 2015). ... Test Type of Test Test Methods and Criteria Type Test Routine Test Insulation test a a Carried out according to 6.2 of GB 1984-2014 Radio interferenceanbsp;...
|Title||:||GB/T 31487.3-2015: Translated English PDF of Chinese Standard GB/T31487.3-2015|