描述
三菱變頻器目前在市場上用量最多的就是A500系列,以及E500系列了,A500系列為通用型變頻器,適合高啟動轉(zhuǎn)矩和高動態(tài)響應(yīng)場合的使用。而E500系列則適合功能要求簡單,對動態(tài)性能要求較低的場合使用,且價格較有優(yōu)勢。就三菱變頻器在市場上使用最廣的兩款型號的一些新的故障及相應(yīng)處理辦法做一些簡單介紹。
OC1、OC3故障。三菱變頻器出現(xiàn)OC(過電流故障)很多時候會是以下幾方面原因造成的(現(xiàn)以A500系列變頻器為例)。(1)參數(shù)設(shè)置問題不當(dāng)引起的,如時間設(shè)置過短;(2)外部因素引起的,如電機繞組短路,包括(相間短路,對地短路等);(3)變頻器硬件故障,如霍爾傳感器損壞,IGBT模塊損壞等。
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