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DC converter

Discussion in 'General Electronics Discussion' started by Ajay kumar, Jun 19, 2017.

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  1. Ajay kumar

    Ajay kumar

    1
    0
    Jun 19, 2017
    Hi i am ajay.i have a 3kw 48v bldc motor and 12v 120ah battery,can I run the motor by using a booster converter.if it runs how much time the battery can withstand in full load condition
     
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,477
    2,820
    Jan 21, 2010
    At 100% efficiency, just a tad under 29 minutes.

    In real life, 15 minutes?
     
  3. Bluejets

    Bluejets

    4,499
    957
    Oct 5, 2014
    Where do you find these motors?
    That's some current.....:eek:
     
  4. BobK

    BobK

    7,682
    1,687
    Jan 5, 2010
    3KW at 12V is 250A. This is not feasible. Try using 10 of those batteries.

    Bob
     
  5. BobK

    BobK

    7,682
    1,687
    Jan 5, 2010
    Or better yet, 8 or 12 with groups of 4 in series.

    Bob
     
    Bluejets likes this.
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