Thyristor/Diode-Bypassed Submodule Power Groups for Improved Efficiency in Modular Multilevel Converters

The half-bridge modular multilevel converter (MMC) is a voltage source converter (VSC) with high efficiency, controllability, and modularity. The topology is weak to dc side faults unless bipolar submodules are used, but this results in decreased efficiency. Power groups (PGs), a thyristor augmented...

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Veröffentlicht in:	IEEE transactions on power delivery 2019-02, Vol.34 (1), p.84-94
Hauptverfasser:	Judge, Paul D., Merlin, Michael M. C., Green, Tim C., Trainer, David R., Vershinin, Konstantin
Format:	Artikel
Sprache:	eng
Schlagworte:	ac–dc power conversion Controllability Converters Efficiency Electric bridges Electric potential Energy conversion efficiency Fault tolerance HVdc converters HVDC transmission Insulated gate bipolar transistors Metal matrix composites Modular multilevel converters Modularity Multilevel Rectifiers Stability thyristor applications thyristor converters Thyristors Topology Valves Voltage control
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