小型水利发电站,35kV变400v站用变压器,低压侧输出电压最高不能超过多少? 35KV/400V变压器最大容量是多少？总容量30000千瓦...
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\u521d\u7ea7\u7535\u6d41=33333/35*1.732=549A \u6b21\u7ea7\u7535\u6d41=33333/0.4*1.732=48113A
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水力发电站35千伏的电压是从发电机升压而来的，如果需要400伏（380伏级）的电源，最好是从发电机厂房取用。这样不仅能降低多级损耗，而且供电的可靠性也会增加很多。
一般，低压侧输出电压应该是380V正负偏差2V。也就是说，电压不能超过382V。
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