NDLI: 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

Content Provider	IET Digital Library
Author	Diab, Hatem Yassin Marei, Mostafa Ibrahim Tennakoon, Sarath Bandara
Abstract	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.
Starting Page	305
Ending Page	315
Page Count	11
ISSN	17554535
Volume Number	9
e-ISSN	17554543
Issue Number	Issue 2, Feb (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/9/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2015.0525
Journal	IET Power Electronics
Publisher Date	2016-02-10
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bipolar Transistor Cable Currents Control of Electric Power System Current Control Current Controlling Device Current Nulling D.C. Transmission Dynamic Performance Electric Current Control HVDC Power Transmission Insulated Gate Bipolar Transistors Insulated Gate Field Effect Transistors Load Flow Control Low Power Electronics Low-power Prototypes Multiterminal High-voltage Direct Current Grid Multiterminal HVDC Transmission System Network Simulation Software Power Flow Control Power System Control PSCAD-EMTDC Steady-state Analysis Three-port CFC Three-port Insulated Gate Bipolar Transistor
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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