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yangyong
Level 5
Level 5
Distributor - Jingchuan(GC)
5 comments on blog First comment on blog 50 questions asked

motor parameters:

220vac,maximum power:1.2kw

rated Amps: 10A

Poles:  10

Stator resistance:  3.15ohms

Lq  inductance: 0.93mH

Ld inductance:0.93mH

Back EMF constant: 7.46V/krpm

Max RPM:  15000RPM.

the  Ques60 - Flux Estimator Time Constant,  I write 5 times the motor time constant( L/R):5*3.15/0.93=1.48.

When I calculate parameters, the following error prompt appears:

yangyong_0-1676864546288.png

Would you be able help? any suggestions?

Thanks

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1 Solution
Krupashankar
Moderator
Moderator
Moderator
500 replies posted 50 likes received 25 likes received

Hi @yangyong,

FlxTau is in the range of 0.01 to 0.025 sec and it is calculated based on below:

Krupashankar_0-1677581049058.png

refer to section 3.2.5.8 FlxTau of iMOTION™ Motion Control Engine Software Reference Manual

To avoid this error either PWM frequency can be increased or Ques60 - Flux Estimator Time Constant can be increased.

Please let us know if any further information is needed.

 

Thanks,

Krupashankar

View solution in original post

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2 Replies
Roy_Liu
Moderator
Moderator
Moderator
5 comments on KBA First comment on KBA 10 questions asked

Hi @yangyong 

Can you mention more about the query? Which product, and tools you are using?

Roy Liu
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Krupashankar
Moderator
Moderator
Moderator
500 replies posted 50 likes received 25 likes received

Hi @yangyong,

FlxTau is in the range of 0.01 to 0.025 sec and it is calculated based on below:

Krupashankar_0-1677581049058.png

refer to section 3.2.5.8 FlxTau of iMOTION™ Motion Control Engine Software Reference Manual

To avoid this error either PWM frequency can be increased or Ques60 - Flux Estimator Time Constant can be increased.

Please let us know if any further information is needed.

 

Thanks,

Krupashankar

0 Likes