This standard applies to the handover test of newly installed electrical equipment with an AC voltage level of 750kV and below that has passed the test in accordance with the relevant national factory test standards.
GB 50150-2016 Referenced Document
GB 1094.11 Power transformers- Part 11: Dry-type transformers
GB 1094.3 Power transformers Part 3: Insulation levels,dielectric tests and external clearances in air
GB 11032 Metal-oxide surge arresters without gaps for a.c. systems