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A Novel Segmented Structure and Control Method for a Permanent-Magnet Linear Generator to Broaden the Range of Efficient Energy Capture

1
School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Shijingshan District, Beijing 100049, China
2
Institute of Electrical Engineering, Chinese Academy of Sciences, No. 6 Beiertiao, Zhongguancun, Beijing 100190, China
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2019, 7(4), 101; https://doi.org/10.3390/jmse7040101
Received: 20 February 2019 / Revised: 20 March 2019 / Accepted: 1 April 2019 / Published: 12 April 2019
(This article belongs to the Special Issue Selected Papers from the 4th Asian Wave and Tidal Energy Conference)
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Abstract

Wave energy, a high-quality renewable energy, is abundant in reserves and relatively stable. However, the wave energy power of the same sea area varies greatly in different seasons. The traditional linear generator cannot work efficiently in such a wide power range. This paper presents a segmented permanent-magnet linear generator structure, which is especially designed for the wave energy converter. This type of linear generator can match the wave energy power by increasing or decreasing the specific primary unit, making the generator more efficient over a wider range of wave power than the traditional type. This paper verifies the correctness by finite element analysis. View Full-Text
Keywords: wave energy; segmented; linear generator; high efficiency; wide power range wave energy; segmented; linear generator; high efficiency; wide power range
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Qiu, S.; Wang, H. A Novel Segmented Structure and Control Method for a Permanent-Magnet Linear Generator to Broaden the Range of Efficient Energy Capture. J. Mar. Sci. Eng. 2019, 7, 101.

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