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Recent content by shenta

  1. S

    igbt goes short circuit

    Dud, you got to go read the SOA and charac. of IGBT, you got dead time control?
  2. S

    Help Needed! 99.3% efficiency PFC with 1.35Kw/dm3 Density~

    Can anyone help me? Or can direct me to anywhere I can find some more information. Thanks
  3. S

    Help Needed! 99.3% efficiency PFC with 1.35Kw/dm3 Density~

    Here's their paper, with great repect again. Cheers Shenta my e mail is shenta(a)civica.com.tw
  4. S

    Help Needed! 99.3% efficiency PFC with 1.35Kw/dm3 Density~

    I am trying to reconstruct the PFC in this paper which was written by J. Biela and J.W. Kolar with G. Deboy from Infineon. (with great respect for these brilliant mind) But after day and night of head scratching and hair pulling, I just can not figure out how to calculate the Choky /...
  5. S

    Where can I find a cheap Plannar transformer?

    Hello Y'all I am new to this board, and also new to SMPS, I am currently designing 3Kw SMPS with 97%+ efficiency with 80% of load range. Therefor interleave PFC (8phase, CCM) and Full Bridge toplogy (with ZVC) is employeed. But... here's the question: Why don't see much people metioning about...

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