Three-phase permanent magnet synchronous machine - direct and quadrature currents and voltages

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Giovanni Pizzolante
回答： Dakai Hu 2021-4-22
Hi everybody,
I am simulating a PMSM motor by using this Simscape model . This model gives a measurement output that include quadrature and direct stator current.
I would like to know how the Clarke Park transform are implemented by this model, because those outputs (quadrature and direct currents) does not match the one I expect. In particular, what I expect is this:
and I evaluated the dq quantities starting from the phase quantities that the model gives as output. But the computed dq quantities does not match the one that the model gives as output.

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Dakai Hu
Dakai Hu 2021-4-22
Hello Giovanni,
The Clark and Park transformation implemented in our Simscape blocks are based on "magnitude invariant" convention. It uses exactly the same eqations you've written down. When you pointed out that the "computed dq quantities does not match the one that the model gives as output", would you be able to provide a comparison model that we can use to verify ?

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