三相四线系统电压降计算?从厂区配电房送380v电到厂区新建的招待所.招待所总负荷是372kw,距离电房有450米远,为了保证电压降不大于5%,需要用多大的yjv交联电缆.用双拼的yjv交联电缆也行.

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/04 10:42:34
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