光伏T接高压配电网电流差动保护研究
TM614; 分析了光伏电站故障电流的特性，研究了两个目前常用电流差动保护判据应用在光伏T接线路上存在的问题。研究结果表明，传统T接线路差动保护判据不能同时满足内部故障的灵敏性和外部故障的可靠性。结合光伏电源故障电流特点，提出了适合于光伏T接线路电流差动保护的综合判据。对改进后的判据进行了大量的仿真试验，仿真结果表明，该判据能满足区内故障时的灵敏性和区外故障时的可靠性，并且具有很强的抗过渡电阻的能力。...
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| Published in | 电力系统保护与控制 Vol. 43; no. 13; pp. 60 - 65 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
新疆大学教育部可再生能源发电与并网控制工程技术研究中心,新疆 乌鲁木齐,830047%新疆大学教育部可再生能源发电与并网控制工程技术研究中心，新疆 乌鲁木齐 830047
2015
国网昌吉供电公司，新疆 昌吉 831100%国网哈密供电公司,新疆 哈密,839000%国家电网甘肃省电力公司风电技术中心,甘肃 兰州,730050 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-3415 |
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| Abstract | TM614; 分析了光伏电站故障电流的特性，研究了两个目前常用电流差动保护判据应用在光伏T接线路上存在的问题。研究结果表明，传统T接线路差动保护判据不能同时满足内部故障的灵敏性和外部故障的可靠性。结合光伏电源故障电流特点，提出了适合于光伏T接线路电流差动保护的综合判据。对改进后的判据进行了大量的仿真试验，仿真结果表明，该判据能满足区内故障时的灵敏性和区外故障时的可靠性，并且具有很强的抗过渡电阻的能力。 |
|---|---|
| AbstractList | 分析了光伏电站故障电流的特性，研究了两个目前常用电流差动保护判据应用在光伏T接线路上存在的问题。研究结果表明，传统T接线路差动保护判据不能同时满足内部故障的灵敏性和外部故障的可靠性。结合光伏电源故障电流特点，提出了适合于光伏T接线路电流差动保护的综合判据。对改进后的判据进行了大量的仿真试验，仿真结果表明，该判据能满足区内故障时的灵敏性和区外故障时的可靠性，并且具有很强的抗过渡电阻的能力。 TM614; 分析了光伏电站故障电流的特性，研究了两个目前常用电流差动保护判据应用在光伏T接线路上存在的问题。研究结果表明，传统T接线路差动保护判据不能同时满足内部故障的灵敏性和外部故障的可靠性。结合光伏电源故障电流特点，提出了适合于光伏T接线路电流差动保护的综合判据。对改进后的判据进行了大量的仿真试验，仿真结果表明，该判据能满足区内故障时的灵敏性和区外故障时的可靠性，并且具有很强的抗过渡电阻的能力。 |
| Abstract_FL | The characteristic of fault current of photovoltaic power is analyzed. Research on the problems that two traditional criterions of current differential protection used in photovoltaic T-type line has done and results show that traditional criterions cannot simultaneously meet the sensitivity and reliability. Combining with the characteristic of fault current of photovoltaic power, a synthesis criterion of current differential protection suitable for photovoltaic T-type line is proposed. A lot of simulation has done and simulation results show that the synthesis criterion can not only satisfy the sensitivity and reliability but also has a strong resistance to the fault resistance. |
| Author | 王婷 刘渊 李凤婷 贾言争 何世恩 李育强 |
| AuthorAffiliation | 新疆大学教育部可再生能源发电与并网控制工程技术研究中心,新疆乌鲁木齐830047 国网昌吉供电公司,新疆昌吉831100 国网哈密供电公司,新疆哈密839000 国家电网甘肃省电力公司风电技术中心,甘肃兰州730050 |
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| Author_FL | LIU Yuan LI Yuqiang HE Shien LI Fengting WANG Ting JIA Yanzheng |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Research on the current differential protection where PV access to the high voltage distribution network with T-type |
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| EndPage | 65 |
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| GrantInformation_xml | – fundername: 国家自然科学基金项目; 国家电网科技项目(52272713039Y)This work is supported by National Natural Science Foundation of China funderid: (51267019，51367017); (51267019 and 51367017) |
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| Keywords | current differential protection 电流差动保护 photovoltaic power 综合判据 synthesis criterion 光伏 T-type line T接线路 |
| Language | Chinese |
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| Notes | WANG Ting, LIU Yuan, LI Fengting, JIA Yanzheng, HE Shien, LI Yuqiang （1. Engineering Research Center of Education Ministry for Renewable Energy Power Generation and Grid Technology, Xinjiang University, Urumqi 830047, China; 2. State Grid Changji Power Supply Company, Changji 831100, China; 3. State Grid Harni Power Supply Company, Hami 839000, China; 4. Wind Power Technology Center, Gansu Electric Power Corporation, Lanzhou 730050, China） photovoltaic power; T-type line; current differential protection; synthesis criterion 41-1401/TM The characteristic of fault current of photovoltaic power is analyzed. Research on the problems that two traditional criterions of current differential protection used in photovoltaic T-type line has done and results show that traditional criterions cannot simultaneously meet the sensitivity and reliability. Combining with the characteristic of fault current of photovoltaic power, a synthesis criterion of current differential protection suitable for photovoltaic T-type line is prop |
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| PublicationTitle | 电力系统保护与控制 |
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| PublicationTitle_FL | Power System Protection and Control |
| PublicationYear | 2015 |
| Publisher | 新疆大学教育部可再生能源发电与并网控制工程技术研究中心,新疆 乌鲁木齐,830047%新疆大学教育部可再生能源发电与并网控制工程技术研究中心，新疆 乌鲁木齐 830047 国网昌吉供电公司，新疆 昌吉 831100%国网哈密供电公司,新疆 哈密,839000%国家电网甘肃省电力公司风电技术中心,甘肃 兰州,730050 |
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| Snippet | 分析了光伏电站故障电流的特性，研究了两个目前常用电流差动保护判据应用在光伏T接线路上存在的问题。研究结果表明，传统T接线路差动保护判据不能同时满足内部故障的灵敏性... TM614; 分析了光伏电站故障电流的特性，研究了两个目前常用电流差动保护判据应用在光伏T接线路上存在的问题。研究结果表明，传统T接线路差动保护判据不能同时满足内部故障... |
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| SubjectTerms | T接线路 光伏 电流差动保护：综合判据 |
| Title | 光伏T接高压配电网电流差动保护研究 |
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