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415v變380v變壓器的對線方法

發表時間:2021-04-12 16:41【 閱讀量:-查看手機網址
掃一掃!415v變380v變壓器的對線方法掃一掃!

  將標稱380V電壓的電器在標稱380V電壓上可以無顧慮地使用,不要考慮這380伏電壓升高到400或是420伏。電壓都是在正常的范圍內變化(正負百分之十之內)在這個電壓變化范圍內電器都能穩定工作,當電壓長期超過或低于額定電壓的百分之十的時候,供電部門都要調整供電電壓,否則就是他們的供電質量不合格,引起的后果他們是要承擔責任的。


  三相四線供電電壓達到415v很正常,單相最高為242伏。當供電電壓高于10%,或低于10%可要求供電部門調整。供電變壓器上有個分載開關,分為3個檔,電工專業人員可據電壓情況進行調整。一般地區夜間、或用電低谷時三相電壓達到400多伏很常見,單相超過250伏。一般三相用電設備,設計時已考慮到了這個問題了。如當地供電電壓確實偏高,可要求變電室變壓器調頭解決。供變電變壓器上有個調頭開關,電工專業人員可據電壓情況進行調整,微調供電電壓的高低。

此文關鍵字:415v變380v變壓器

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