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9.2.1.2 短路電流峰值iP2
iP2=kI揔2 (26)
式中，系數(shù)k與電網(wǎng)結(jié)構(gòu)有關(guān)，按第9.1.1.2或第9.1.3.2條計算，其值可采用 三相短路時計算出的k值。
9.2.2 二相接地短路
9.2.2.1 短路電流初始值I〃K2E和I〃KE 2E
圖2c中
圖2c中，流入大地或地線中的電流IKE2E，按下式計算：
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