Control and Stability Analysis of Modular Multilevel Converter Under Low-Frequency Operation

The modular multilevel converter (MMC) is increasingly becoming popular for multi-MW drive systems. One of the main technical challenges associated with the operation of MMC for adjustable-speed drives is the large magnitude of submodule (SM) capacitor voltage ripple under constant-torque low-speed...

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Veröffentlicht in:	IEEE transactions on industrial electronics (1982) 2015-09, Vol.62 (9), p.5329-5339
Hauptverfasser:	Debnath, Suman, Jiangchao Qin, Saeedifard, Maryam
Format:	Artikel
Sprache:	eng
Schlagworte:	Capacitors Control systems Current control Design engineering Electric potential Frequency control low-speed operation Lyapunov theory Methodology Modular multilevel converter (MMC) Pulse width modulation Repair & maintenance Ripples singularly perturbed systems stability Stability analysis Strategy submodule (SM) capacitor voltage ripple Time-frequency analysis Voltage Voltage control
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