How do I control or limit the speed of single phase motor fed by Z-source inverter to a desired value?

Question

Mrudul M 2017-6-6

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https://ww2.mathworks.cn/matlabcentral/answers/343553-how-do-i-control-or-limit-the-speed-of-single-phase-motor-fed-by-z-source-inverter-to-a-desired-valu

回答： Joel Van Sickel 2023-5-2

Zsourcemotorcntrol.mdl

Hi, I am unable to limit the speed of motor to desired value by implementing a close loop. I have included my simulation file along with the query. I am using a single phase AC motor fed by a Z-source inverter. I wish to limit the speed of single phase motor to 1000rpm. In open loop the speed is 1500rpm. Can anyone help me where I am messing this? I am using MATLAB 2012.

Thank you

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Answer 1

Joel Van Sickel 2023-5-2

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This is part of an effort to clean up Matlab Answers, I apologize that this answer is too late to likely be of use to the original question asker:

The main problem in the shared model is that the motor isn't being controlled properly. It's speed is oscilating wildly. The first step would be to make sure the single phase inverter control is working as expected on an RL load before adding a motor.

I would start with this example: https://www.mathworks.com/help/sps/ug/single-phase-pwm-inverter.html