Efficiency optimization of IPMSM for urban rail traction based on switching frequency optimization control

Abstract

Harmonic voltage and harmonic current will produce core loss and copper loss to reduce the operation efficiency in the direct torque control system of interior permanent magnet synchronous motor (IPMSM-DTC) for urban rail traction. Efficiency optimization control strategy, which is based on switching frequency optimization, is presented for the problem. The… (More)

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