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Pmsm And Bldc


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I'm a "mechatronic girl" :rolleyes: but kind of new in this world motor.


I am in an intership and my main task is understanding Brushless DC motors in a deep way in order to design a controller and a PCB for one of them.


Even I have been reading, there are some things I can not totally understand and is the main difference between PMSM and BLDC..


is the PMSM a subcategory of the BLDC?


does the PMSM generate everytime a sinusoidal signal and the BLDC a trapezoidal one?


I have more questions.. but I think by dissipating these 2, I could manage to solve the rest of them


thanx a lot

have a nice day people :)



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