Simulate BLDC motor at constant load and varying speed using Maxwell

- April 28, 2022 at 4:17 pm
  
  robin888
  Subscriber
- May 20, 2022 at 12:29 am
  
  Navya C
  Ansys Employee
  
  Hi @robin888 You can change the excitation as current in the external circuit and then keep it constant for a constant load purpose or set it as per the load condition.
  Then make the speed a variable to change the speed instead of the load settings under motion setup.
  Run parametric with speed.
  
  Regards Navya
- May 20, 2022 at 3:01 am
  
  robin888
  Subscriber
  
  Bldc needs square wave current ideally. So how to set this kind of waveform in current excitation? I tried to use pwl function but I don't know how to vary it for each phase and also how to assign it properly. It would be very helpful if you could explain how to assign current excitation correctly for bldc motor. This is where my confusion exists. Thanks in advance.

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