A Novel Flexible Capacitor Voltage Control Strategy for Variable-Speed Drives With Modular Multilevel Converters

Modular multilevel converter (MMC) is very popular in medium-voltage applications, such as high-voltage direct current transmission, static Var generator, and motor drives. The arm capacitor voltage of MMC is usually constant and the output voltage is adjusted by regulating the pulse width modulatio...

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Veröffentlicht in:	IEEE transactions on power electronics 2017-01, Vol.32 (1), p.128-141
Hauptverfasser:	Tai, Bingyong, Gao, Congzhe, Liu, Xiangdong, Chen, Zhen
Format:	Artikel
Sprache:	eng
Schlagworte:	Capacitors Carrier phase-shifted modulation Circuits Coils (windings) DC motors Direct current Electric power transmission flexible capacitor voltage control Inductors modular multilevel converter motor drive Motor drives Pulse duration modulation Pulse width modulation Reference signals Switches Topology Variable speed drives Voltage control
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