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380v變690v變壓器可以接通嗎?

發表時間:2021-04-12 16:34【 閱讀量:-查看手機網址
掃一掃!380v變690v變壓器可以接通嗎?掃一掃!

  單相220v和二相380v電源輸入,通用變頻器是可以單相轉三相的,低壓電變壓器采用3相中性點接地供電,單項電是從變壓器的任意一相(火線),與中性點引出線(零線),供電輸入回路電壓220V,3相電線的任意兩項引出供電,電壓380V。通用變頻器是可以單相轉三相的,但是只能單相220V變三相220V,但是適用于電機負載,而且電機不能帶控制線路在里面,比如線路板之類的,因為變頻器輸出的是方波,不是供電局提供市電一樣的正弦波。


  變頻器輸出頻率一般按照使用要求大概在0-50/60HZ范圍內調速,根據變壓器原理,頻率越低,轉換效率越差。如果你這個負載需要經常調速或者低頻運行,那么這個變壓器只能是使用專用的變壓器并且變頻器的輸出需要加裝正弦波濾波器。而且只能使用V/F的控制模式,使變頻器的很多功能受到使用限制。這個總投資下來,還是換一臺690V輸入電壓的變頻器來的實在。


此文關鍵字:380v變690v變壓器

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