NDLI: Unified reference controller for flexible primary control and inertia sharing in multi-terminal voltage source converter-HVDC grids

Content Provider	IET Digital Library
Author	Rouzbehi, Kumars Zhang, Weiyi Candela, Jose Ignacio Luna, Alvaro Rodriguez, Pedro
Abstract	Multi-terminal dc (MTDC) grids are expected to be built and experience rapid expansion in the near future as they have emerged as a competitive solution for transmitting offshore wind generation and overlaying their ac counterpart. The concept of inertia sharing for the control and operation of MTDC grids, which can be achieved by the proposed unified reference controller. The control objectives of the MTDC grids voltage source converter (VSC) stations are no longer limited to the stabilisation of MTDC grid, instead, the requirements of ac side are also met. The interaction dynamics between the ac and dc grid is analysed to illustrate the proposed concept. In addition, the voltage source converter stations can work in different operation modes based on the proposed unified control structure, and can switch among the operation modes smoothly following the secondary control commands. Simulation results exhibit the merits and satisfactory performance of the proposed control strategy for stable MTDC grid operation.
Starting Page	750
Ending Page	758
Page Count	9
ISSN	17518687
Volume Number	11
e-ISSN	17518695
Issue Number	Issue 3, Feb (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/11/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2016.0665
Journal	IET Generation, Transmission & Distribution
Publisher Date	2017-02-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Control of Electric Power System D.C. Transmission HVDC Power Transmission Inertia Sharing MTDC Grid Multi-terminal Dc Grid Offshore Wind Generation Operation Mode Power Converter Power Supplies to Apparatus Power System Control Power Transmission Control Secondary Control Command Unified Reference Controller Voltage Source Converter Stations VSC Stations Wind Power Plant
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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