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Volume 11
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10.3390/en11071707
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Article

Comparative Analysis and Experimental Verification of a Linear Tubular Generator for Wave Energy Conversion

by
Tao Xia
1,
Haitao Yu
1,*,
Zhenchuan Shi
1,2 and
Rong Guo
1
1
School of Electrical Engineering, Southeast University, Nanjing 210096, China
2
Quanzhou Institute of Equipment Manufacturing Haixi Institutes, Chinese Academy of Sciences, Jinjiang 362200, China
*
Author to whom correspondence should be addressed.
Energies 2018, 11(7), 1707; https://doi.org/10.3390/en11071707
Submission received: 24 April 2018 / Revised: 7 June 2018 / Accepted: 10 June 2018 / Published: 1 July 2018
(This article belongs to the Section D: Energy Storage and Application)
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Abstract

To improve the power density and reliability of radial (RS-TLPMG) and quasi-Halbach (QH-TLPMG) magnetization tubular linear surface-mounted permanent magnet generators under realistic sea-state conditions, a novel tubular linear generator with multilayer interior permanent magnets (MI-TLPMG) for wave energy conversion is proposed and analyzed in this paper. Using finite element analysis (FEA), a comprehensive comparison of air gap flux density, flux linkage, back electromotive force (back-EMF), load, and no-load performance is investigated to verify the advantages of the proposed machine. The FEA results indicate that MI-LTPMG with a flux-concentrating effect has higher back-EMF, air gap magnetic flux density, flux linkage, and output power than do the other two machines. Finally, a prototype is manufactured and measured on the test platform and wave tank. The experiment and simulation results show a great agreement with each other.
Keywords: wave energy conversion; linear generator; multilayer permanent magnets; interior machine wave energy conversion; linear generator; multilayer permanent magnets; interior machine

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MDPI and ACS Style

Xia, T.; Yu, H.; Shi, Z.; Guo, R. Comparative Analysis and Experimental Verification of a Linear Tubular Generator for Wave Energy Conversion. Energies 2018, 11, 1707. https://doi.org/10.3390/en11071707

AMA Style

Xia T, Yu H, Shi Z, Guo R. Comparative Analysis and Experimental Verification of a Linear Tubular Generator for Wave Energy Conversion. Energies. 2018; 11(7):1707. https://doi.org/10.3390/en11071707

Chicago/Turabian Style

Xia, Tao, Haitao Yu, Zhenchuan Shi, and Rong Guo. 2018. "Comparative Analysis and Experimental Verification of a Linear Tubular Generator for Wave Energy Conversion" Energies 11, no. 7: 1707. https://doi.org/10.3390/en11071707

APA Style

Xia, T., Yu, H., Shi, Z., & Guo, R. (2018). Comparative Analysis and Experimental Verification of a Linear Tubular Generator for Wave Energy Conversion. Energies, 11(7), 1707. https://doi.org/10.3390/en11071707

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