11.1.2 由發(fā)電機(jī)-變壓器組饋電的短路
11.1.2.1 對(duì)稱短路電流初始值I〃k
以圖13a.2和圖19結(jié)線為例,在計(jì)算F點(diǎn)短路時(shí)的電流I〃k所用的阻抗應(yīng)為 校正后的發(fā)電機(jī)和變壓器阻抗(見10.3.2.7條)與線路阻抗之和,即:
(50)
按第10.3.2.8條計(jì)算發(fā)電機(jī)-變壓器組阻抗時(shí),為:
(51)
11.1.2.2 短路電流峰值ip
按第9.1.1.2條計(jì)算短路電流峰值ip時(shí),對(duì)于發(fā)電機(jī)和變壓器的阻抗應(yīng)用校正 后的值(見第10.3.2.7和10.3.2.8條)。
11.1.2.3 對(duì)稱開斷電流Ib
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