During a workshop assessment, the reported condition is: A motor driven by a VFD overheats at low speed while producing constant high torque. Which issue should be considered?

Answers

Athe motor receives no current

Bthe encoder changes the DNS server

Cthe VFD converts the motor into a resistor

Dreduced self-cooling at low shaft speed and the need for derating or forced ventilation

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MIFOTRA exam practicealigned to Technical Foundations·3 marks·Medium

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