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Thread: 1KW PFC _ CCM Power Factor Corrector.

  1. #21
    Quote Originally Posted by chiuyusen View Post
    Hello Mr. MicrosiM,

    What is -8 Material cores?can you provided data sheet
    Look here

    http://www.micrometals.com/materials_index.html


    regards
    www.diysmps.com & www.Micro-Audio.com

  2. #22
    HELLLO I NEED HELP

    I'M MAKING A INVERTRE WELDER
    TRANSFORMER DATA:
    E 71/33/32 N87

    FOR 50V OUTPUT

    I HAVE 13 PRIMARY TURNS 0.67mm X 20 WIRES

    AND 8 SECONDRY TURNS 0.67mm X 58 WIRES

    THE PROBLEMS IS :

    THE SECONDRY COIL I WANT TO WIND WITH COPPER FOIL NOT WITH COPPER WIRES

    SOO HOW CAN I CALCULATE HOW MANY TURNS OF COPPER FOIL I HAVE TO MAKE??? AND DIMENSIONS OF COPPER FOIL ?? PLEASE HELP

    Quote Originally Posted by MicrosiM View Post

  3. #23
    diysmps Member
    Join Date
    Mar 2012
    Location
    Pakistan
    Posts
    7
    Hi Microsim
    can you tell me what is PFC used for and any advantages over SMPS ?
    I was trying to make a supply from 12VDC to 30VDC at 5 Amps and I am not sure if a Boost converter would be good enough ?
    one of my colleague was talking about PFC and how it can be used but it really went over my head.

    regards
    Last edited by fahimbaig; 12-07-2012 at 11:38 AM.

  4. #24
    Hi Micro,

    Can you post some current input waveforms?

  5. #25
    Quote Originally Posted by AMSA View Post
    Hi Micro,

    Can you post some current input waveforms?

    I dont have that circuit assembled any more.

    that was a prtotype
    www.diysmps.com & www.Micro-Audio.com

  6. #26
    diysmps Senior Member
    Join Date
    Mar 2018
    Posts
    104
    Quote Originally Posted by MicrosiM View Post
    I dont have that circuit assembled any more.

    that was a prtotype
    Hai microsim

    can you give your pfc 1700 watt scheme, please help me

  7. #27
    Quote Originally Posted by Upik View Post
    Hai microsim

    can you give your pfc 1700 watt scheme, please help me
    It was based on UCC28019, you can just make it, and it will work without issues.

    You need to find a suitable gate drive circuit for the Mosfet.

    Good luck
    www.diysmps.com & www.Micro-Audio.com

  8. #28
    diysmps Senior Member
    Join Date
    Mar 2018
    Posts
    104
    Quote Originally Posted by MicrosiM View Post
    It was based on UCC28019, you can just make it, and it will work without issues.

    You need to find a suitable gate drive circuit for the Mosfet.

    Good luck
    is it based on the ucc 28019 a design calculator ,?

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