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Energies
Volume 13
Issue 22
10.3390/en13225943
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Article

Comparison of the Electromagnetic Characteristics of a Novel Gramme Winding and a Concentrated Winding Tubular Permanent-Magnet Linear Generator

by
Haichao Feng
1,
Jinsong Wei
1,
Jikai Si
2,*,
Zhiping Cheng
2,
Chun Gan
3 and
Xiaozhuo Xu
1
1
School of Electrical Engineering and Automation, Henan Polytechnic University, Jiaozuo 454000, China
2
College of Electrical Engineering, Zhengzhou University, Zhengzhou 450001, China
3
School of Electrical and Electronic Engineering, Huazhong University of Science & Technology, Wuhan 430074, China
*
Author to whom correspondence should be addressed.
Energies 2020, 13(22), 5943; https://doi.org/10.3390/en13225943
Submission received: 2 September 2020 / Revised: 15 October 2020 / Accepted: 10 November 2020 / Published: 13 November 2020
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Abstract

A tubular permanent-magnet linear generator is suitable for direct drive wave energy conversion owing to its simple structure, easy maintenance and high efficiency. In this study, a novel Gramme winding tubular permanent-magnet linear generator (GW) is designed to increase power density. First, the structure of the Gramme winding and concentrated winding tubular permanent-magnet linear generator is introduced and the operation principle of the generator is analysed. Second, the initial parameters of GW are determined based on the similar overall dimensions to those of the concentrated winding tubular permanent-magnet linear generator. Third, the air gap flux density, external characteristics, voltage regulation, output power, and loss of the two generators are compared. Finally, the DC load capacities of the two generators are compared based on a three-phase full-control bridge rectifying circuit. The results show that the GW has a higher power density than the latter.
Keywords: tubular permanent-magnet linear generator; Gramme winding; power density; electromagnetic characteristics tubular permanent-magnet linear generator; Gramme winding; power density; electromagnetic characteristics

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MDPI and ACS Style

Feng, H.; Wei, J.; Si, J.; Cheng, Z.; Gan, C.; Xu, X. Comparison of the Electromagnetic Characteristics of a Novel Gramme Winding and a Concentrated Winding Tubular Permanent-Magnet Linear Generator. Energies 2020, 13, 5943. https://doi.org/10.3390/en13225943

AMA Style

Feng H, Wei J, Si J, Cheng Z, Gan C, Xu X. Comparison of the Electromagnetic Characteristics of a Novel Gramme Winding and a Concentrated Winding Tubular Permanent-Magnet Linear Generator. Energies. 2020; 13(22):5943. https://doi.org/10.3390/en13225943

Chicago/Turabian Style

Feng, Haichao, Jinsong Wei, Jikai Si, Zhiping Cheng, Chun Gan, and Xiaozhuo Xu. 2020. "Comparison of the Electromagnetic Characteristics of a Novel Gramme Winding and a Concentrated Winding Tubular Permanent-Magnet Linear Generator" Energies 13, no. 22: 5943. https://doi.org/10.3390/en13225943

APA Style

Feng, H., Wei, J., Si, J., Cheng, Z., Gan, C., & Xu, X. (2020). Comparison of the Electromagnetic Characteristics of a Novel Gramme Winding and a Concentrated Winding Tubular Permanent-Magnet Linear Generator. Energies, 13(22), 5943. https://doi.org/10.3390/en13225943

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