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TMDSHVMTRPFCKIT: When lsw=1 is switched to lsw=2, the motor will suddenly stop and emit high-frequency noise

Green Deng
Expert 4490 points

Part Number: TMDSHVMTRPFCKIT

Dear team:

When my customer is debugging 28035 CLA sensorless FOC, when lsw=1 is switched to lsw=2, the motor will suddenly stop and emit high-frequency noise.

He wanted to know why this happened?

Best regards