A Phase-Shifted Zero-CM PWM for Circulating Current Reduction in Two Paralleled Inverters With Coupled Inductors

Qiao Li
Qiao Li
Zewei Shen
Zewei Shen
Yechi Zhang
Yechi Zhang

IEEE Transactions on Transportation Electrification, pp. 95-104, 2020.

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Keywords:
Circulating currentcoupled inductorspulse position shiftzero-common-mode (CM) pulsewidth modulation (PWM)

Abstract:

The adoption of two paralleled inverters using magnetically coupled inductors is an emerging and effective way to feed the three-phase load, which can be operated with interleaved or zero-common-mode (CM) pulsewidth modulation (PWM). The zero-CM PWM can significantly reduce the CM current and electromagnetic interference (EMI), but worsen...More

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