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Operation and control of an insulated gate bipolar transistor-based current controlling device for power flow applications in multi terminal high-voltage direct current grids.

Diab, Hatem yasin and marei, Mostafa Ibrahim and Tennakoon, Sarath Bandara (2016) Operation and control of an insulated gate bipolar transistor-based current controlling device for power flow applications in multi terminal high-voltage direct current grids. Power Electronics, 9 (2). pp. 305-315. ISSN 1755-4535

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Abstract or description

One of the main problems that need to be solved to allow the realisation of multi-terminal high-voltage direct current (HVDC) transmission systems is the absence of a practical power flow control method. Industry leaders and researchers have proposed a few methods of power flow control based on either the control of converter station or the connection of new power electronic equipment to the grid. This study presents the operation and control of a three-port insulated gate bipolar transistor based current flow control (CFC) device suitable for multi-terminal HVDC systems. Key features and functionalities of the proposed controller including the balancing of cable currents, limiting the magnitude of cable current and current nulling are demonstrated. The three-port CFC was simulated using power system computer aided design (PSCAD)/electromagnetic transient and direct current (EMTDC), network simulation software to evaluate its steady state and dynamic performance. Furthermore, low power prototypes are implemented for a two and three-ports CFC to experimentally validate their different functionalities. Simulation and experimental studies explore the fast dynamic response and the results show that the CFC studied may have a significant role to play in the control of power flows in multi-terminal high-voltage DC systems.

Item Type: Article
Faculty: Previous Faculty of Computing, Engineering and Sciences > Engineering
Related URLs:
Depositing User: Sarath TENNAKOON
Date Deposited: 03 Jan 2017 11:34
Last Modified: 09 Feb 2017 12:36
URI: http://eprints.staffs.ac.uk/id/eprint/2946

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