RHEOSTAT CLCULATION

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  • 2012/07/11 at 12:08 pm #10876
    sunny143
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    HI,

    CAN any one give idea to calculate the rheostat specification , when we do any practical like speed control or any test on motors

    ex. we havpe 3HP  dc motor with current 12A,400v and we want to find out the rheostst rating use in any practical

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