NDLI: Research on technical requirements of line-commutated converter-based high-voltage direct current participating in receiving end AC system's black start

Content Provider	IET Digital Library
Author	Li, Baohong Liu, Tianqi Xu, Weihua Li, Qiang Zhang, Yingmin Li, Yuan Li, Xing Yuan
Abstract	This study discusses the technical requirements of line-commutated converter-based high-voltage direct current (LCC-HVDC) power transmission participating in a receiving end AC system's black start. The control and start-up modes of LCC-HVDC suitable for black start are discussed. Through short-circuit capacity analysis and frequency estimation, the appropriate strength of the receiving end AC system to start the LCC-HVDC is studied. A reactive power coordination strategy is proposed to reduce overvoltage caused by the HVDC filter. An innovative additional frequency control at the inverter side is proposed to suppress the frequency oscillation in the black-start procedure. This control is realised through the constant voltage at rectifier and constant current at inverter control mode. Compared with the conventional rectifier-side additional frequency control method, the inverter-side additional frequency control method requires no remote communication and is thus more practical and effective when the receiving end is in a blackout. On the basis of the analysis, the conventional LCC-HVDC is started successfully under the proposed requirements of black start and the overvoltage and frequency oscillation are also reduced effectively by the proposed control strategies, both of which are validated through electromagnetic transient simulation based on PSCAD/EMTDC software.
Starting Page	2071
Ending Page	2078
Page Count	8
ISSN	17518687
Volume Number	10
e-ISSN	17518695
Issue Number	Issue 9, Jun (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/10/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2015.1089
Journal	IET Generation, Transmission & Distribution
Publisher Date	2016-06-09
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	AC System Black Start Control of Electric Power System Control Strategy D.C. Transmission Electromagnetic Transient Simulation Frequency Control Frequency Control Method Frequency Estimation Frequency Oscillation Frequency Oscillation in HVDC Filter HVDC Power Converter HVDC Power Transmission Innovative Additional Frequency Control Inverter Control Mode Invertors LCC-HVDC Line-commutated Converter-based High-voltage Direct Current Power System Control Power Transmission Power Transmission Control PSCAD/EMTDC Software Reactive Power Coordination Strategy Rectifier Short-circuit Capacity Analysis Short-circuit Current Start-up Mode
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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