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How to draw MTPA curve on torque contours

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M. Saad
M. Saad 2018-10-14
回答： Raghunath Rachabattuni 2023-6-30
Hi, I have drawn torque contours using contour command as shown below
How can I add maximum torque per ampere (MTPA) curve to my graph i.e. minimum current for i_f and i_t combination for each torque curve? An example is shown below.

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Raghunath Rachabattuni
To know how to draw the MTPA curves, and also other constraint curves of the PMSM, pls refere to the following link.
PMSM Constraint Curves and Their Application - MATLAB & Simulink Example - MathWorks India
This page also shows the commands that can be used to draw the curves for a given operating torque and operating speed.

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