- Q leads D, rotor angle measured from A-phase to D-axis
- Q leads D, rotor angle measured from A-phase to Q-axis
- D leads Q, rotor angle measured from A-phase to D-axis
- D leads Q, rotor angle measured from A-phase to Q-axis
Flux weakening equation issue
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i have modelled using subsystem block for flux weakening equation(IPMSM) which is available in mathworks website.but output of id,iq is not match with motor cad id iq.
Notes:8500 rpm 15 Nm
did i model properly?
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Sabin
le 28 Sep 2023
First, the equations are implemented based on constant parameters, basically ignoring some physical phenomena that motor cad may include. Second, I would check if the definition for axis transformation is the same in the equations you are implementing and in motor cad. It is not uncommon for FEM tools to use a different definition that what a control engineer would use. The are 4 possible definitions:
More about the axis definition you can find in the FEM-Parameterized PMSM doc page:
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