A Self-Synchronized Decentralized Control for Series-Connected H-Bridge Rectifiers

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A Self-Synchronized Decentralized Control for Series-Connected H-Bridge Rectifiers

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Hou, X. / Sun, Y. / Zhang, X. / Zhang, G. / Lu, J. / Blaabjerg, Frede

This study proposes a decentralized coordination control scheme for series-connected H-bridge rectifiers. Each rectifier module is controlled as a voltage-controlled source by a local controller, which needs only individual information. The local controller is composed of an active power-frequency (P-ω) control and a fixed voltage amplitude control. Compared to the conventional methods based multi-level phase-shifting modulation where centralized controller is needed, the proposed control strategy allows indefinite modular expansion without increasing the computational load of the local controller. Therefore, it has decreased cost and increased scalability. The synchronization mechanism of series modules is analyzed and the stability of the system is proved. The feasibility of the proposed strategy is verified by experimental results.

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Dokumentinformationen

Titel :

A Self-Synchronized Decentralized Control for Series-Connected H-Bridge Rectifiers

Beteiligte:

Hou, X. (Autor:in) / Sun, Y. (Autor:in) / Zhang, X. (Autor:in) / Zhang, G. (Autor:in) / Lu, J. (Autor:in) / Blaabjerg, Frede (Autor:in)

Erscheinungsdatum :

2019-08-01

Anmerkungen:

Hou , X , Sun , Y , Zhang , X , Zhang , G , Lu , J & Blaabjerg , F 2019 , ' A Self-Synchronized Decentralized Control for Series-Connected H-Bridge Rectifiers ' , IEEE Transactions on Power Electronics , vol. 34 , no. 8 , 8629935 , pp. 7136-7142 . https://doi.org/10.1109/TPEL.2019.2896150

DOI :

https://doi.org/10.1109/TPEL.2019.2896150

Medientyp :

Aufsatz (Zeitschrift)

Format :

Elektronische Ressource

Sprache :

Englisch

Schlagwörter :

decentralised control , power generation control , rectifiers , synchronisation , voltage control , self-synchronized decentralized control , series-connected H-bridge rectifiers , decentralized coordination control scheme , rectifier module , voltage-controlled source , local controller , fixed voltage amplitude control , multilevel phase-shifting modulation , centralized controller , control strategy , series modules , active power-frequency control , Impedance , Decentralized control , Reactive power , Steady-state , Synchronization , scalability , self-synchronization , series-connected rectifiers