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Why this UPS is using 1200V IGBTs ?

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    #41
    Re: Why this UPS is using 1200V IGBTs ?

    Ok sam ive sent you a message on your email.

    My adress starts with ibnou......

    You can delete your email adress from this thread.
    Last edited by SistMaticZ; 10-15-2019, 01:12 PM.

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      #42
      Re: Why this UPS is using 1200V IGBTs ?

      Originally posted by SistMaticZ View Post
      Ok sam ive sent you a message on your email.

      My adress starts with ibnou......

      You can delete your email adress from this thread.
      I send you a reply
      9 PC LCD Monitor
      6 LCD Flat Screen TV
      30 Desk Top Switching Power Supply
      10 Battery Charger Switching Power Supply for Power Tool
      6 18v Lithium Battery Power Boards for Tool Battery Packs
      1 XBox 360 Switching Power Supply and M Board
      25 Servo Drives 220/460 3 Phase
      6 De-soldering Station Switching Power Supply 1 Power Supply
      1 Dell Mother Board
      15 Computer Power Supply
      1 HP Printer Supply & Control Board * lighting finished it *


      These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

      1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
      2 Hem Saw Computer Stack Board

      All of these had CAPs POOF
      All of the mosfet that are taken out by bad caps

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        #43
        Re: Why this UPS is using 1200V IGBTs ?

        Originally posted by sam_sam_sam View Post
        I send you a reply
        Thanks for your precious replies sir.

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          #44
          Re: Why this UPS is using 1200V IGBTs ?

          I hope that some one from moderation staff can solve this PM lock out issue.

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