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Distributed control scheme is preferred to the multiple-modules-based system because of the simple structure, low maintenance, and high scalability. This paper proposes a hybrid communication topology and a route-switching communication protocol to implement the distributed control applied in the cascaded H-bridge (CHB) multilevel static synchronous compensator (STATCOM). The hybrid topology consists...
Distributed control scheme is preferred in the application of the multiple modules based system due to its simple structure, low maintenance and high scalability. This paper proposed a hybrid communication topology and protocol to realize the distributed control applied in the cascade H-bridge (CHB) multilevel static synchronous compensator (STATCOM) with master and slave controllers. In the same...
DC link voltage balancing is very important for the reliable operation of H-bridge cascade power regulation system (PRS). This paper proposes a novel method to balance the three-phase DC link voltage for the star-connected cascade PRS, which is based on the negative sequence voltage injection. The algorithm is analyzed and the performance is compared with the method based on zero sequence voltage...
This paper proposes a new HVDC (High-Voltage DC) transmission topology, its modeling and control method, used for large doubly-fed induction generator (DFIG)-based offshore wind farms. The sending end is a line commutated converter (LCC) with a STATCOM (Static Compensator) while the receiving end is a current source inverter (CSI) using IGBTs. The STATCOM provides stator voltage support for DFIGs,...
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