DC machine efficiency

Altair Forum User
Altair Forum User
Altair Employee
edited August 2023 in Community Q&A

Hi to all.
Can i calculate the efficiency of a psim dc machine from the input parameter?
the parameters are:
Ra, La, Rf, Lf, Moment of inertia, Vt, Ia, n, If

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Answers

  • Rhonda_20369
    Rhonda_20369 New Altair Community Member
    edited August 2023

    Through PSIM simulation, you may observer the machine efficiency during its operation.

    The input power is Vdc*Idc (armature) + Vdc*Idc(field)

    The output power is Torque*speed.

    Efficiency = output power/input power

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