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gadna9
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樓主  發(fā)表于: 2017-06-10 19:22
圖片：
各位大師，剛接觸設計，因工廠(chǎng)用電都是三相380V，而設備用電是單相220V，用變壓器進(jìn)行轉換，以下設計是否可能導致三相不平衡發(fā)生？
另變壓器計算我這樣計算是否正確：220*3（負載所需電流）*1.5（系數）=990，所以我選擇1000VA的變壓器
zhaoxg
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1樓  發(fā)表于: 2017-06-11 10:02
隔離成220的，控制系統供電？

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