Capacitor current imbalance and its suppression method between phase legs for three‐phase inverter

This paper proposes a method to suppress the capacitor current imbalance between the phase legs of a three‐phase inverter circuit. This circuit consists of half‐bridge modules and DC‐link capacitors closely connected to each module. It can be designed for low stray inductance between power semicondu...

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Veröffentlicht in:	Electrical engineering in Japan 2019-03, Vol.206 (4), p.45-54
Hauptverfasser:	Hirao, Takashi, Wada, Keiji, Shimizu, Toshihisa
Format:	Artikel
Sprache:	eng
Schlagworte:	Capacitors Circuits current imbalance DC‐link capacitor Equivalent circuits Inductance Inverters Legs Modules MOSFETs Power semiconductor devices resonance stray inductance switching frequency
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