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DC machine efficiency

User: "Altair Forum User"
Altair Forum User
Altair Employee
Updated by Altair Forum User

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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    User: "Rhonda_20369"
    Rhonda_20369
    New Altair Community Member
    Updated by Rhonda_20369

    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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