Coordinated control design of the voltage and current loop of a current flow controller for meshed HVDC grids

Sau Bassols, Joan; Ferrer San José, Ricard; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol

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Sau Bassols, Joan

Ferrer San José, Ricard

Prieto Araujo, Eduardo

Gomis Bellmunt, Oriol

Document typeConference report

Defense date2017

Rights accessRestricted access - publisher's policy

Abstract

This paper is focused in the control design of a DC/DC Current Flow Controller (CFC) for meshed HVDC grids. It proposes a control design methodology based on an outer current loop to regulate DC grid currents and an inner voltage loop to keep under control the CFC voltage. This approach is able to limit the CFC voltage to avoid exceeding the device limitations. A linear model of the HVDC grid including the CFC is obtained to apply linear control techniques to design the regulator. The system performance is validated by means of simulations considering different case studies.

CitationSau, J., Ferrer, R., Eduardo Prieto-Araujo, Gomis-Bellmunt, O. Coordinated control design of the voltage and current loop of a current flow controller for meshed HVDC grids. A: International Conference on AC and DC Power Transmission. "Proceedings of the 13th International Conference on AC and DC Power Transmission". 2017, p. 1-6.

URIhttp://hdl.handle.net/2117/121970

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Coordinated control design of the voltage and current loop of a current flow controller for meshed HVDC grids

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