Connection Technology of HPTO Type WECs and DC Nano Grid in Island
Wave energy fluctuating a great deal endangers the security of power grid especially micro grid in island. A DC nano grid supported by batteries is proposed to smooth the output power of wave energy converters（WECs）. Thus, renewable energy converters connected to DC grid is a new subject. The charac...
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| Veröffentlicht in: | China ocean engineering 2016-07, Vol.30 (4), p.581-590 |
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| container_title | China ocean engineering |
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| creator | 王坤林 田联房 游亚戈 王孝洪 盛松伟 张亚群 叶寅 |
| description | Wave energy fluctuating a great deal endangers the security of power grid especially micro grid in island. A DC nano grid supported by batteries is proposed to smooth the output power of wave energy converters（WECs）. Thus, renewable energy converters connected to DC grid is a new subject. The characteristics of WECs are very important to the connection technology of HPTO type WECs and DC nano grid. Hydraulic power take-off system（HPTO） is the core unit of the largest category of WECs, with the functions of supplying suitable damping for a WEC to absorb wave energy, and converting captured wave energy to electricity. The HPTO is divided into a hydraulic energy storage system（HESS） and a hydraulic power generation system（HPGS）. A primary numerical model for the HPGS is established in this paper. Three important basic characteristics of the HPGS are deduced, which reveal how the generator load determines the HPGS rotation rate. Therefore, the connector of HPTO type WEC and DC nano grid would be an uncontrollable rectifier with high reliability, also would be a controllable power converter with high efficiency, such as interleaved boost converter-IBC. The research shows that it is very flexible to connect to DC nano grid for WECs, but bypass resistance loads are indispensable for the security of WECs. |
| doi_str_mv | 10.1007/s13344-016-0036-4 |
| format | Article |
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A DC nano grid supported by batteries is proposed to smooth the output power of wave energy converters（WECs）. Thus, renewable energy converters connected to DC grid is a new subject. The characteristics of WECs are very important to the connection technology of HPTO type WECs and DC nano grid. Hydraulic power take-off system（HPTO） is the core unit of the largest category of WECs, with the functions of supplying suitable damping for a WEC to absorb wave energy, and converting captured wave energy to electricity. The HPTO is divided into a hydraulic energy storage system（HESS） and a hydraulic power generation system（HPGS）. A primary numerical model for the HPGS is established in this paper. Three important basic characteristics of the HPGS are deduced, which reveal how the generator load determines the HPGS rotation rate. Therefore, the connector of HPTO type WEC and DC nano grid would be an uncontrollable rectifier with high reliability, also would be a controllable power converter with high efficiency, such as interleaved boost converter-IBC. The research shows that it is very flexible to connect to DC nano grid for WECs, but bypass resistance loads are indispensable for the security of WECs.</description><identifier>ISSN: 0890-5487</identifier><identifier>EISSN: 2191-8945</identifier><identifier>DOI: 10.1007/s13344-016-0036-4</identifier><language>eng</language><publisher>Nanjing: Chinese Ocean Engineering Society</publisher><subject>Boost变换器 ; Coastal Sciences ; Engineering ; Fluid- and Aerodynamics ; hpt ; Marine & Freshwater Sciences ; Numerical and Computational Physics ; Oceanography ; Offshore Engineering ; Simulation ; 水力发电系统 ; 液压传动系统 ; 直流电网 ; 纳米 ; 连接技术</subject><ispartof>China ocean engineering, 2016-07, Vol.30 (4), p.581-590</ispartof><rights>Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016</rights><rights>Copyright © Wanfang Data Co. Ltd. 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A DC nano grid supported by batteries is proposed to smooth the output power of wave energy converters（WECs）. Thus, renewable energy converters connected to DC grid is a new subject. The characteristics of WECs are very important to the connection technology of HPTO type WECs and DC nano grid. Hydraulic power take-off system（HPTO） is the core unit of the largest category of WECs, with the functions of supplying suitable damping for a WEC to absorb wave energy, and converting captured wave energy to electricity. The HPTO is divided into a hydraulic energy storage system（HESS） and a hydraulic power generation system（HPGS）. A primary numerical model for the HPGS is established in this paper. Three important basic characteristics of the HPGS are deduced, which reveal how the generator load determines the HPGS rotation rate. Therefore, the connector of HPTO type WEC and DC nano grid would be an uncontrollable rectifier with high reliability, also would be a controllable power converter with high efficiency, such as interleaved boost converter-IBC. The research shows that it is very flexible to connect to DC nano grid for WECs, but bypass resistance loads are indispensable for the security of WECs.</description><subject>Boost变换器</subject><subject>Coastal Sciences</subject><subject>Engineering</subject><subject>Fluid- and Aerodynamics</subject><subject>hpt</subject><subject>Marine & Freshwater Sciences</subject><subject>Numerical and Computational Physics</subject><subject>Oceanography</subject><subject>Offshore Engineering</subject><subject>Simulation</subject><subject>水力发电系统</subject><subject>液压传动系统</subject><subject>直流电网</subject><subject>纳米</subject><subject>连接技术</subject><issn>0890-5487</issn><issn>2191-8945</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kL1OwzAURi0EEqXwAGwWG4PBju0kHiGUthKiDEGMluOftFWxS1yEwtPjKhVsTFe6-s79dA8AlwTfEIyL20goZQxhkiOMaY7YERhlRBBUCsaPwQiXAiPOyuIUnMW4xpgTzsgI3FfBe6t3q-BhbfXSh01oexgcnL3UC1j3WwvfJlWEyhv4UMFn5QOcdisDVx7O4yatz8GJU5toLw5zDF4fJ3U1Q0-L6by6e0KaMrFDjHPnyoKWlpMm04YarV1TlkZwUwitc66IyHPROEpz2jDDbKNEVhihtBIup2NwPdz9Ut4p38p1-Ox8apTf7bJvtbRZeh-zpCNlyZDVXYixs05uu9W76npJsNwLk4MwmQi5FyZZYrKBiSnrW9v9FfwHXR2KlsG3H4n7bUq_cCYEz-gPOBp3gw</recordid><startdate>20160701</startdate><enddate>20160701</enddate><creator>王坤林 田联房 游亚戈 王孝洪 盛松伟 张亚群 叶寅</creator><general>Chinese Ocean Engineering Society</general><general>Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences,Guangzhou 510640, China%College of Automation Science and Engineering, South China University of Technology,Guangzhou 510640, China%Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences,Guangzhou 510640, China</general><general>College of Automation Science and Engineering, South China University of Technology,Guangzhou 510640, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W94</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20160701</creationdate><title>Connection Technology of HPTO Type WECs and DC Nano Grid in Island</title><author>王坤林 田联房 游亚戈 王孝洪 盛松伟 张亚群 叶寅</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c349t-455ff8738e51b2cd3dccfb88d95d79cc65a19669bf3363b4d4eba927d9aca9f63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Boost变换器</topic><topic>Coastal Sciences</topic><topic>Engineering</topic><topic>Fluid- and Aerodynamics</topic><topic>hpt</topic><topic>Marine & Freshwater Sciences</topic><topic>Numerical and Computational Physics</topic><topic>Oceanography</topic><topic>Offshore Engineering</topic><topic>Simulation</topic><topic>水力发电系统</topic><topic>液压传动系统</topic><topic>直流电网</topic><topic>纳米</topic><topic>连接技术</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>王坤林 田联房 游亚戈 王孝洪 盛松伟 张亚群 叶寅</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-自然科学</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>China ocean engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>王坤林 田联房 游亚戈 王孝洪 盛松伟 张亚群 叶寅</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Connection Technology of HPTO Type WECs and DC Nano Grid in Island</atitle><jtitle>China ocean engineering</jtitle><stitle>China Ocean Eng</stitle><addtitle>China Ocean Engineering</addtitle><date>2016-07-01</date><risdate>2016</risdate><volume>30</volume><issue>4</issue><spage>581</spage><epage>590</epage><pages>581-590</pages><issn>0890-5487</issn><eissn>2191-8945</eissn><abstract>Wave energy fluctuating a great deal endangers the security of power grid especially micro grid in island. A DC nano grid supported by batteries is proposed to smooth the output power of wave energy converters（WECs）. Thus, renewable energy converters connected to DC grid is a new subject. The characteristics of WECs are very important to the connection technology of HPTO type WECs and DC nano grid. Hydraulic power take-off system（HPTO） is the core unit of the largest category of WECs, with the functions of supplying suitable damping for a WEC to absorb wave energy, and converting captured wave energy to electricity. The HPTO is divided into a hydraulic energy storage system（HESS） and a hydraulic power generation system（HPGS）. A primary numerical model for the HPGS is established in this paper. Three important basic characteristics of the HPGS are deduced, which reveal how the generator load determines the HPGS rotation rate. Therefore, the connector of HPTO type WEC and DC nano grid would be an uncontrollable rectifier with high reliability, also would be a controllable power converter with high efficiency, such as interleaved boost converter-IBC. The research shows that it is very flexible to connect to DC nano grid for WECs, but bypass resistance loads are indispensable for the security of WECs.</abstract><cop>Nanjing</cop><pub>Chinese Ocean Engineering Society</pub><doi>10.1007/s13344-016-0036-4</doi><tpages>10</tpages></addata></record> |
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| source | Springer Nature - Complete Springer Journals; Alma/SFX Local Collection |
| subjects | Boost变换器 Coastal Sciences Engineering Fluid- and Aerodynamics hpt Marine & Freshwater Sciences Numerical and Computational Physics Oceanography Offshore Engineering Simulation 水力发电系统 液压传动系统 直流电网 纳米 连接技术 |
| title | Connection Technology of HPTO Type WECs and DC Nano Grid in Island |
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