发布时间:2025-01-24 07:28:48
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。
inventor professional 2017 激活点击图标出现选择 输入序列号 点击无反应程序退出
2025-01-24 07:28:48 2025-01-24 07:28:48 2025-01-24 07:28:48原来射灯孔小了现在买回的led的射灯开孔直径比原来的大3cm如何简单处理后安装
2025-01-24 07:28:48 2025-01-24 07:28:48 2025-01-24 07:28:48 2025-01-24 07:28:48 2025-01-24 07:28:48 2025-01-24 07:28:48 2025-01-24 07:28:48 2025-01-24 07:28:48 2025-01-24 07:28:48 2025-01-24 07:28:48 2025-01-24 07:28:48 2025-01-24 07:28:48