GB_T 15544-1995; 三相交流系统短路电流计算pdf,GB_T 15544-1995; 三相交流系统短路电流计算GB/T15544—1995
3.20短路点F的短路阻抗 short- circuit impedances at the short- circuit location h
320.1三相交流系统的正序短路阻抗2:; positive- sequence short-circuit impedance Zu of a three
phase a.c. system
从短路