Why does Permanent Magnet Synchronous Motor (PMSM) equation in MathWorks documentation doesn't match the equations elsewhere?
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MathWorks Support Team
2021-2-26
编辑: MathWorks Support Team
2024-2-29
PMSM equation according to the MathWorks document doesn't match the equation elsewhere. According to the books the evaluation for electromagnetic torque should be:
Te = 1.5*PM.p/2*(PM.Flux*u(1)+(PM.Ld-PM.Lq)*u(1)*u(2))
However, according to MathWorks document:
Te=1.5p[λiq+(Ld−Lq)idiq]
Why is the "/2" been omitted in the MathWorks equation for PMSM?
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MathWorks Support Team
2024-1-18
编辑:MathWorks Support Team
2024-2-29
In the equation provided, the term 'p' is number of poles. However, while modeling a PMSM in Simulink, 'p' is considered as number of pole pairs. Hence the "/2" term is omitted.
Te=1.5p[λiq+(Ld−Lq)idiq]
For more information, please run the below command in the MATLAB R2018b command window to refer to the documentation:
web(fullfile(docroot, 'physmod/sps/powersys/ref/permanentmagnetsynchronousmachine.html'))
Please follow the below link to search for the required information regarding the current release:
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