GB/T 15544.4-2017
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 15544.4-2017
Short-circuit current calculation in three-phase a.c.systems—Part 4: Currents during two separate simultaneous line-to-earth short circuits and partial short-circuit currents flowing through earth 三相交流系统短路电流计算 第4部分:同时发生两个独立单相接地故障时的电流以及流过大地的电流
Issued Date:2017
Implemented Date:2017
Issued by:
The Standardization Administration of the People's Republic of China