Power measurement (electric motor)

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Jack Daniels
Jack Daniels 2024-12-9
回答: MULI 2024-12-10
I have a three phase motor model simulation within Simulink (equation-based) and no Simscape is used. I need to measure the power consumed by electric motor during simulation runtime - Active power, Reactive power, Appreant power and its power factor.
Is there already a Simulink block or simple way to measure the electric power vs. mechanical power?
  1 个评论
Jack Daniels
Jack Daniels 2024-12-9
编辑:Jack Daniels 2024-12-9
Thanks for suggestion,
Is it applicable for non-simscape motor models as well?
In the case of comparison to the motor mechanical power. Is there some mechanical power measurement block (Pmech=Te*wr) ?
In the case 3-phase system then the complex power measurement block can be modify to have the input signals preceded by sum of phase voltages respectively phase currents:
  • V (votlage input signal) V = v1(t) + v2(t) + v3(t)
  • I (current input signal) I = i1(t) + i2(t) + i3(t)

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回答(1 个)

MULI
MULI 2024-12-10
To measure the active power, reactive power, apparent power, and power factor for your three-phase motor simulation in Simulink, you can refer to this model:
This model tells you to how to calculate electrical power parameters for a voltage-current pair at the fundamental frequency.

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