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Possible error in the model of Five-phase permanent magnet synchronous motor with sinusoidal flux distribution

Hello, I suspect that there is an error in default parameters of the model of Five-phase permanent magnet synchronous motor with sinusoidal flux distribution. The mutual inductances are written as Lab...

Hello,

I suspect that there is an error in default parameters of the model of Five-phase permanent magnet synchronous motor with sinusoidal flux distribution.

The mutual inductances are written as Lab = -M + something (see help for this element), which is true for 3-phase motors where angle between phases is 120 degrees and cos(120) is -0.5.

For 5-phase machine the angle between phases is 72 degrees and cosine is positive. Therefore, this equation should be wrintten as Lab = M + something.

Of course, it is possible to invert M in the parameters' settings, but it is not done by the default.

 

Release: R2021a

 

Product: Simscape Electrical

 

Product Version: 7.5

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      02.12.2021

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