Design and Experiment Analysis of a Direct-Drive Wave Energy Converter with a Linear Generator
Coastal waves are an abundant nonpolluting and renewable energy source. A wave energy converter (WEC) must be designed for efficient and steady operation in highly energetic ocean environments. A direct-drive wave energy conversion (D-DWEC) system with a tubular permanent magnet linear generator (TP...
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| Format: | Article |
| Language: | English |
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MDPI AG
2018-03-01
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| Series: | Energies |
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| Online Access: | http://www.mdpi.com/1996-1073/11/4/735 |
| _version_ | 1828150265802391552 |
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| author | Jing Zhang Haitao Yu Zhenchuan Shi |
| author_facet | Jing Zhang Haitao Yu Zhenchuan Shi |
| author_sort | Jing Zhang |
| collection | DOAJ |
| description | Coastal waves are an abundant nonpolluting and renewable energy source. A wave energy converter (WEC) must be designed for efficient and steady operation in highly energetic ocean environments. A direct-drive wave energy conversion (D-DWEC) system with a tubular permanent magnet linear generator (TPMLG) on a wind and solar photovoltaic complementary energy generation platform is proposed to improve the conversion efficiency and reduce the complexity and device volume of WECs. The operating principle of D-DWECs is introduced, and detailed analyses of the proposed D-DWEC’s floater system, wave force characteristics, and conversion efficiency conducted using computational fluid dynamics are presented. A TPMLG with an asymmetric slot structure is designed to increase the output electric power, and detailed analyses of the magnetic field distribution, detent force characteristics, and no-load and load performances conducted using finite element analysis are discussed. The TPMLG with an asymmetric slot, which produces the same power as the TPMLG with a symmetric slot, has one fifth detent force of the latter. An experiment system with a prototype of the TPMLG with a symmetric slot is used to test the simulation results. The experiment and analysis results agree well. Therefore, the proposed D-DWEC fulfills the requirements of WEC systems. |
| first_indexed | 2024-04-11T21:41:53Z |
| format | Article |
| id | doaj.art-33e6e0f182f14dcc911a5e4d880a0d4d |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-11T21:41:53Z |
| publishDate | 2018-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-33e6e0f182f14dcc911a5e4d880a0d4d2022-12-22T04:01:34ZengMDPI AGEnergies1996-10732018-03-0111473510.3390/en11040735en11040735Design and Experiment Analysis of a Direct-Drive Wave Energy Converter with a Linear GeneratorJing Zhang0Haitao Yu1Zhenchuan Shi2School of Electrical Engineering, Southeast University, Nanjing 210096, ChinaSchool of Electrical Engineering, Southeast University, Nanjing 210096, ChinaSchool of Electrical Engineering, Southeast University, Nanjing 210096, ChinaCoastal waves are an abundant nonpolluting and renewable energy source. A wave energy converter (WEC) must be designed for efficient and steady operation in highly energetic ocean environments. A direct-drive wave energy conversion (D-DWEC) system with a tubular permanent magnet linear generator (TPMLG) on a wind and solar photovoltaic complementary energy generation platform is proposed to improve the conversion efficiency and reduce the complexity and device volume of WECs. The operating principle of D-DWECs is introduced, and detailed analyses of the proposed D-DWEC’s floater system, wave force characteristics, and conversion efficiency conducted using computational fluid dynamics are presented. A TPMLG with an asymmetric slot structure is designed to increase the output electric power, and detailed analyses of the magnetic field distribution, detent force characteristics, and no-load and load performances conducted using finite element analysis are discussed. The TPMLG with an asymmetric slot, which produces the same power as the TPMLG with a symmetric slot, has one fifth detent force of the latter. An experiment system with a prototype of the TPMLG with a symmetric slot is used to test the simulation results. The experiment and analysis results agree well. Therefore, the proposed D-DWEC fulfills the requirements of WEC systems.http://www.mdpi.com/1996-1073/11/4/735wave energy conversiontubular permanent magnet linear generatorfinite element analysiscomputational fluid dynamics |
| spellingShingle | Jing Zhang Haitao Yu Zhenchuan Shi Design and Experiment Analysis of a Direct-Drive Wave Energy Converter with a Linear Generator Energies wave energy conversion tubular permanent magnet linear generator finite element analysis computational fluid dynamics |
| title | Design and Experiment Analysis of a Direct-Drive Wave Energy Converter with a Linear Generator |
| title_full | Design and Experiment Analysis of a Direct-Drive Wave Energy Converter with a Linear Generator |
| title_fullStr | Design and Experiment Analysis of a Direct-Drive Wave Energy Converter with a Linear Generator |
| title_full_unstemmed | Design and Experiment Analysis of a Direct-Drive Wave Energy Converter with a Linear Generator |
| title_short | Design and Experiment Analysis of a Direct-Drive Wave Energy Converter with a Linear Generator |
| title_sort | design and experiment analysis of a direct drive wave energy converter with a linear generator |
| topic | wave energy conversion tubular permanent magnet linear generator finite element analysis computational fluid dynamics |
| url | http://www.mdpi.com/1996-1073/11/4/735 |
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