Power transformers, Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors
电力变压器第4部分:雷电冲击和开关冲击试验指南电力变压器和电抗器
Provides guidance and comments on procedures for lightning and switching impulse testing of power transformers to supplement the requirements of IEC 60076-3. It is also applicable to testing reactors.