NDLI: A cost-effective converter system for HVDC links integrated with offshore wind farms

Content Provider	IEEE Xplore Digital Library
Author	Thanh Hai Nguyen Dong-Choon Lee Chan-Ki Kim
Copyright Year	2013
Description	Author affiliation: Yeungnam Univ., Gyeongsan, South Korea (Thanh Hai Nguyen; Dong-Choon Lee) \|\| Korea Electr. Power Res. Inst., Daejeon, South Korea (Chan-Ki Kim)
Abstract	This paper proposes a cost-effective configuration of high-voltage direct current (HVDC) links for integrating the offshore wind farms with the grid, which consists of a hybrid of a twelve-pulse diode rectifier (12P-Rec) and a modular multilevel converter (MMC) for the sending-end converter on the offshore side and a fully-rated MMC for the receiving-end converter on the onshore side. For this scheme, the receiving-end MMC (REMMC) controls the DC voltage of the HVDC link, whereas the sending-end MMC (SEMMC) regulates the offshore AC voltage at a constant magnitude and frequency. Also, the SEMMC operates as if it is an active power filter to compensate for the high order harmonic currents such as $11^{th}-,$ $13^{th}-,$ $23^{rd}-,$ and $25^{th}-ones$ produced by the 12P-Rec. By utilizing the diode rectifier, the cost and power loss of the HVDC converter are lower than those of the fully-rated voltage-source converter (VSC), whereas the performance is kept almost the same. The validity of the proposed scheme is verified by the PSCAD/EMTDC simulation results for a 600-MW HVDC transmission system integrated with an offshore wind farm.
Sponsorship	IEEE Ind. Electron. Soc.
Starting Page	7978
Ending Page	7983
File Size	440460
Page Count	6
File Format	PDF
ISBN	9781479902248
ISSN	1553572X
DOI	10.1109/IECON.2013.6700466
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	HVDC transmission Voltage control Wind farms Rectifiers Power harmonic filters Harmonic analysis Converters twelve-pulse diode rectifier HVDC links modular multilevel converter permanent-magnet synchronous generator (PMSG) offshore wind farm
Content Type	Text
Resource Type	Article

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