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Mchine Riddle No.38 – Speed torque curves of DC motors

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  • #801
    Jawad Ahmed

      I need to know a few thing about the speed torque curves of DC motors. Firstly, what's the formula of Stall torque and that of no-load speed of motor…?? …
      I need to know a few thing about the speed torque curves of DC motors. Firstly, what's the formula of Stall torque and that of no-load speed of motor…??
      And secondaly, how to plot the speed torque curve for a motor…!!
      Thanking in advance…!!

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    • #2668
      Hamid

        The fundamental principles of a DC variable speed drive, with a shunt wound DC motor, are relatively easy to understand and are covered by a few simple equations as follows:

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