GB/T 15544-1995 in English

《GB/T 15544-1995三相交流系统短路电流计算》由524（中国电力企业联合会）归口，主管部门为中国电力企业联合会。
本标准规定了用等效电压源法计算三相交流系统短路电流，并提出了计算中采用的校正系统的求取方法及推荐值。本标准适用于标称电压380V～220kV，频率50Hz的三相交流系统的短路电流计算。本标准不适用于受控条件(短路试验站)下人为短路和飞机、船舶用电气设备的短路计算。本标准主要作为进出口设备及对外工程投标使用，在国内工程计算中逐步推广采用。

Scope

This standard stipulates the calculation of short-circuit current of three-phase AC system by the equivalent voltage source method, and proposes the calculation method and recommended value of the correction coefficient used in the calculation. This standard is applicable to the short-circuit current calculation of the three-phase AC system with a nominal voltage of 380V ~ 220kV and a frequency of 50Hz. This standard does not apply to artificial short-circuits and short-circuit calculations of aircraft and ship electrical equipment under controlled conditions (short-circuit test stations). This standard is mainly used for import and export equipment and foreign project bidding, and is gradually promoted and adopted in domestic engineering calculations.