Multi-pole voltage source converter HVDC transmission systems

Grain Philip Ased; Barry W. Williams

doi:10.1049/iet-gtd.2015.0894

Multi-pole voltage source converter HVDC transmission systems

Grain Philip Ased, Barry W. Williams

Electronic And Electrical Engineering

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

429 Downloads (Pure)

Abstract

This study connects several modular multilevel converters to form multi-pole voltage source converter highvoltage dc (VSC-HVDC) links which are suited for bulk power evacuation, with increased resiliency to ac and dc network faults. The proposed arrangements resemble symmetrical and asymmetrical HVDC links that can be used for bulk power transfer over long distances with reduced transmission losses, and for the creation of multi-terminal supergrids currently being promoted for transitional dc grids in Europe. The technical feasibility of the proposed systems is assessed using simulations on symmetrical and asymmetrical tri-pole VSC-HVDC links, including the case of permanent pole-to-ground dc faults.

Original language	English
Pages (from-to)	496-507
Number of pages	12
Journal	IET Generation, Transmission and Distribution
Volume	10
Issue number	2
DOIs	https://doi.org/10.1049/iet-gtd.2015.0894
Publication status	Published - 4 Feb 2016

Keywords

dc network faults
dc network disturbances
power transfer

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AB - This study connects several modular multilevel converters to form multi-pole voltage source converter highvoltage dc (VSC-HVDC) links which are suited for bulk power evacuation, with increased resiliency to ac and dc network faults. The proposed arrangements resemble symmetrical and asymmetrical HVDC links that can be used for bulk power transfer over long distances with reduced transmission losses, and for the creation of multi-terminal supergrids currently being promoted for transitional dc grids in Europe. The technical feasibility of the proposed systems is assessed using simulations on symmetrical and asymmetrical tri-pole VSC-HVDC links, including the case of permanent pole-to-ground dc faults.

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Multi-pole voltage source converter HVDC transmission systems

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Keywords

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