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老大很悲傷
冰凍三尺非一日之寒
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樓主  發(fā)表于: 2017-12-22 21:28
圖片：
如圖，熔斷器前面3根380電壓。燈也接380.現在看不懂這到底怎么接線(xiàn)，變壓器是1000變200.還有002地線(xiàn)標志這根線(xiàn)，真不懂了，感謝幫忙
jxjalwf
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1樓  發(fā)表于: 2017-12-22 21:42
這是星型連接，中心點(diǎn)接地

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