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longfei1982
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樓主  發(fā)表于: 2011-12-16 14:59
假如一個(gè)三級斷路器的問(wèn)題。一個(gè)三級斷路器的一相出現過(guò)載，另外兩相沒(méi)有出現過(guò)載會(huì )跳閘嗎。還有就是一級出現短路，另外兩級沒(méi)有短路，會(huì )出現跳閘嗎。例如三級分別控制單相負載。
yangrmg
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1樓  發(fā)表于: 2011-12-17 18:19
要保證斷路器正常工作，有個(gè)前提是所有的進(jìn)線(xiàn)必須要連接上。它跳閘時(shí)也需要工作電源的。另外，除零線(xiàn)外的任一相過(guò)載或者短路都應該動(dòng)作的，如果不動(dòng)作肯定斷路器有問(wèn)題。
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