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Motor Torque Current


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#1 FrankLi

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Posted 27 November 2005 - 08:46 AM

Dear all:

Could you help me to understand how robicon drive gets the motor torque current? Some VFDs will only show motor current. Is it a calculated number?

Thanks and best regards

Frank

#2 marke

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Posted 05 December 2005 - 05:56 AM

Hello Frank

Welcome to the forum
As a major part of modern variable speed drives revloves around a mathematical motor model, the torque current can be calculated using the resistive component of the current flow with an alowance for the losses in the motor.

Best regards,




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