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  • narayana murthy

    Member • Oct 4, 2011

    no its just a drooping curve
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  • mibawad

    Member • Oct 4, 2011

    Hello,
    What do you mean by drooping curve? Could you explain more?
    Best wishes,
    Mohammed
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  • narayana murthy

    Member • Oct 5, 2011

    its difficult to explain i think i can find a image of it
    image009
    here it is but the curve dont bend completely changes on end refer books for more information
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  • mibawad

    Member • Oct 5, 2011

    All textbooks refer to the speed-torque curve for permanent magnet DC motor as a line in first quadrant as in the figure
    torque
    I am asking about what about the curve in Q.2, Q.3, and Q.4?
    Thanks
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  • narayana murthy

    Member • Oct 6, 2011

    mibawad
    All textbooks refer to the speed-torque curve for permanent magnet DC motor as a line in first quadrant as in the figure
    torque
    I am asking about what about the curve in Q.2, Q.3, and Q.4?
    Thanks
    same there will be no change on quarents but as i know that motor is a special type motor in many of cases DC motor means we take electromagnet type DC motor as ideal speed is constant for any load for DC motor but i dont know about these charecterstics
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