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工控下載
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樓主  發(fā)表于: 2010-12-07 14:14
請教各位大俠，控制用變壓器，他的一次側，二次側是不是都要加空開(kāi)？原理是什么？還有若要控制該變壓器所在線(xiàn)路，那么接觸器是安在變壓器一次側還是二次側？原理何在？
yjhdlp
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1樓  發(fā)表于: 2010-12-15 22:01
一側預防變壓器因二側保護失效，引起變壓器超載發(fā)熱燒毀變壓器重而可能引起火災，至于二側空氣開(kāi)關(guān)方便。

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