NDLI: A boost conversion system consisting of multiple DC-DC converter modules for interfacing wind farms and HVDC transmission

Content Provider	IEEE Xplore Digital Library
Author	Sano, K. Takasaki, M.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Tokyo Univ. of Sci., Tokyo, Japan (Takasaki, M.) \|\| Syst. Eng. Res. Lab., Central Res. Inst. of Electr. Power Ind., Tokyo, Japan (Sano, K.)
Abstract	Recent offshore wind farms have increased their capacity and distance from the shore. To transmit the bulk power to the shore, some projects employ high voltage dc (HVDC) transmissions. Such wind farm has a local ac grid in their site to collect power from each generator, and then the voltage is increased by bulky and heavy step-up transformers. In order to simplify and to reduce the weight of the offshore facilities, dc collection grids have been also considered in recent years. However, a technical issue is the development of high voltage and high power converters to boost the dc voltage for the HVDC transmissions. This paper proposes a novel dc boost conversion system for interfacing the wind farms and the HVDC transmissions. The proposed boost conversion system consists of multiple isolated dc-dc converter modules. The modules are connected in parallel in the wind farm side and in series in the HVDC transmission side in order to realize high power and high step-up ratio. A control method is also developed for maintaining the voltage of the offshore power system and keeping equal voltage sharing among the series connected modules. Computer simulations are carried out to verify the basic operation characteristics of the proposed system.
Starting Page	2613
Ending Page	2618
File Size	1316285
Page Count	6
File Format	PDF
ISBN	9781479903368
DOI	10.1109/ECCE.2013.6647038
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Undersea cable transmission Offshore wind power generation Power cables HVDC transmission Windings Wind farms Generators Dc boost converter Voltage control Voltage balancing control Power transformer insulation
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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