A Stored Energy Control Based Active DC Filter for the Alternate Arm Converter with an Extended Overlap Period - Archive ouverte HAL
Communication Dans Un Congrès Année : 2019

A Stored Energy Control Based Active DC Filter for the Alternate Arm Converter with an Extended Overlap Period

Résumé

The Alternate Arm Converter (AAC) is a multilevel Voltage Source Converter (VSC) suitable for HVDC systems with DC-fault blocking capability. In its "Short-Overlap" configuration (SO-AAC) it requires a bulky passive DC filter to suppress the DC current ripple caused by the rectification of the grid currents in the DC link. With an Extended-Overlap period (EO-AAC), an active DC filtering control strategy can be implemented thanks the fact that there is always one phase in overlap mode, providing a continuous control of the DC current. Previous works have been realized considering DC inductors at each pole of the DC link. In this paper, a stored energy control assessment is proposed leading to the deduction of a stored energy model allowing a formal DC current control without DC inductors. The proposed control is supported through a static analysis and dynamic simulation in order to demonstrate its effectiveness.

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Dates et versions

hal-02956997 , version 1 (04-10-2020)

Identifiants

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Pierre Vermeersch, Francois Gruson, Michael M.C. Merlin, Xavier Guillaud, Philippe Egrot. A Stored Energy Control Based Active DC Filter for the Alternate Arm Converter with an Extended Overlap Period. 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), Sep 2019, Genova, Italy. ⟨10.23919/EPE.2019.8914985⟩. ⟨hal-02956997⟩
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