Modulation and Closed-Loop-Based DC Capacitor Voltage Control for MMC With Fundamental Switching Frequency

This paper presents a novel modulation and capacitor voltage control method for the modular multilevel converter (MMC) allowing the fixed switching frequency of 50 Hz. In the proposed modulation method, the switching angles are calculated through a new approach with reference to the nearest voltage...

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Veröffentlicht in:	IEEE transactions on power electronics 2015-01, Vol.30 (1), p.327-338
Hauptverfasser:	Du, Sixing, Liu, Jinjun, Liu, Teng
Format:	Artikel
Sprache:	eng
Schlagworte:	Capacitors DC voltage control Direct current Electric currents Electric potential Electrical equipment Equations Experiments fundamental switching frequency Inverters Metal matrix composites modular multilevel converter (MMC) Modulation Pulse width modulation Simulation Switching Switching frequency Validity Vectors Voltage Voltage control
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