华东电网短路电流计算标准研究

Short-Circuit Current Calculation Standard for East China Power Grid

介绍了目前国内短路电流计算工程应用主要根据IEC 60909形成的5种常用的计算方法,从理论分析的角度,结合小系统算例、华东实际电网以及现场人工短路试验实测数据,分析了5种短路计算方法的合理性以及影响短路电流计算的因素,并提出了适合华东220 kV及以上电网短路电流计算的标准。

Nowadays five IEC 60909-based calculation methods are commonly used for domestic short-circuit current calculation.On the basis of small system calculation examples,and artificial short circuit field test data for East China Power Grid,this paper theoretically analyzes the validity of the five short-circuit current calculation methods and the calculation influencing factors.Finally,short-circuit current calculation standard is proposed applicable for power grid of no less than 220 kV in East China.