发布时间:2025-02-03 11:00:26
首先1250KVA的变压器高压如是10千V的线路计量应该选择30/5的高压计量箱。那么由于高压计量箱二次电压如是100V电流是5A则实际电量应该是电度表的读数乘以变比倍率10000/100乘30/5即:电度表读数100乘6即600倍的电度表读数。
美的hc23b一av微波炉老是语音提醒操作错误请按说明书正确操作问题是说明书没了怎么办
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