THD current less than 5% for for controller IMC102

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Mahimc2020
Level 2
Level 2
10 questions asked 10 replies posted 10 sign-ins
Hi.
I designed the motor driver using the IC controller IMC102 and switch IFCM15P60GD for the motor PMSM with Power 750W, and in practical testing, the network input parameters are THD current about 11%,
but I want to reduce it below 5%.
What solution do you suggest for me?
What parameters should I change in MCEWizard for controller PFC?
How do I tune the parameters PFC in MCEWizard & MCEDesigner?
thanks
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1 Solution
Hari
Moderator
Moderator
Moderator
750 replies posted 500 replies posted 250 solutions authored
Hi,

PFC tuning for lower THD is dependent on current loop tracking performance and voltage loop ripple attenuation.
For the current loop, both Ki and Kp need to be adjusted reasonably to increase integral gain while keeping it stable. The duty-feed-forward factor might also need to be adjusted here.

Best regards,
Hari

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1 Reply
Hari
Moderator
Moderator
Moderator
750 replies posted 500 replies posted 250 solutions authored
Hi,

PFC tuning for lower THD is dependent on current loop tracking performance and voltage loop ripple attenuation.
For the current loop, both Ki and Kp need to be adjusted reasonably to increase integral gain while keeping it stable. The duty-feed-forward factor might also need to be adjusted here.

Best regards,
Hari
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