China 'GB/T 1094.4-2005
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 1094.4-2005
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:电力变压器和电抗器的雷电冲击和操作冲击试验导则
Issued Date:2005-08-26
Implemented Date:2006-04-01
Issued by:
The Standardization Administration of the People's Republic of China