EN 61800-4-2003 可调速的电力传动系统.第4部分:一般要求.超过1000V并且不超过35KV的交流电力传动系统的额定规范 IEC 61800-4:2002
Adjustable speed electrical power drive systems Part 4: General requirements - Rating specifications for a.c. power drive systems above 1 000 V a.c. and not exceeding 35 kV