光伏电站低电压穿越技术研究
针对大规模光伏电站在电网故障或扰动时突然脱网造成的严重后果,提出了一种光伏电站低电压穿越（Low Voltage Ride Through,LVRT）控制策略,详细分析了基于正负序同步旋转坐标系的并网逆变器控制策略以及LVRT有功电流和无功电流协调控制的实现方法。以单相电压跌落故障为例,进行了仿真和实验研究,结果表明所提出的控制策略不仅能保证并网逆变器在电压跌落期间输出不过流,而且能够向电网发出一定的无功功率以支撑并网点电压的恢复,实现低电压穿越。...
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| Published in | 电测与仪表 Vol. 52; no. 8; pp. 61 - 66 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国矿业大学信息与电气工程学院,江苏徐州,221008%中国矿业大学孙越崎学院,江苏徐州,221008
2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-1390 |
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| Abstract | 针对大规模光伏电站在电网故障或扰动时突然脱网造成的严重后果,提出了一种光伏电站低电压穿越（Low Voltage Ride Through,LVRT）控制策略,详细分析了基于正负序同步旋转坐标系的并网逆变器控制策略以及LVRT有功电流和无功电流协调控制的实现方法。以单相电压跌落故障为例,进行了仿真和实验研究,结果表明所提出的控制策略不仅能保证并网逆变器在电压跌落期间输出不过流,而且能够向电网发出一定的无功功率以支撑并网点电压的恢复,实现低电压穿越。 |
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| AbstractList | 针对大规模光伏电站在电网故障或扰动时突然脱网造成的严重后果,提出了一种光伏电站低电压穿越（Low Voltage Ride Through,LVRT）控制策略,详细分析了基于正负序同步旋转坐标系的并网逆变器控制策略以及LVRT有功电流和无功电流协调控制的实现方法。以单相电压跌落故障为例,进行了仿真和实验研究,结果表明所提出的控制策略不仅能保证并网逆变器在电压跌落期间输出不过流,而且能够向电网发出一定的无功功率以支撑并网点电压的恢复,实现低电压穿越。 TM464; 针对大规模光伏电站在电网故障或扰动时突然脱网造成的严重后果,提出了一种光伏电站低电压穿越(Low Voltage Ride Through,LVRT)控制策略,详细分析了基于正负序同步旋转坐标系的并网逆变器控制策略以及LVRT有功电流和无功电流协调控制的实现方法.以单相电压跌落故障为例,进行了仿真和实验研究,结果表明所提出的控制策略不仅能保证并网逆变器在电压跌落期间输出不过流,而且能够向电网发出一定的无功功率以支撑并网点电压的恢复,实现低电压穿越. |
| Author | 施向前 耿乙文 黄尊臣 屈子森 |
| AuthorAffiliation | 中国矿业大学信息与电气工程学院,江苏徐州221008 中国矿业大学孙越崎学院,江苏徐州221008 |
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| Author_FL | Qu Zisen Geng Yiwen Huang Zunchen Shi Xiangqian |
| Author_FL_xml | – sequence: 1 fullname: Shi Xiangqian – sequence: 2 fullname: Geng Yiwen – sequence: 3 fullname: Huang Zunchen – sequence: 4 fullname: Qu Zisen |
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| DocumentTitleAlternate | Research on low voltage ride through technology for photovoltaic power plants |
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| EndPage | 66 |
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| Keywords | 光伏电站 正负序同步旋转坐标系 低电压穿越 单相电压跌落故障 low voltage ride through (LVRT) positive and negative sequence synchronous rotating coordinate photovoltaic power plant coordination control single-phase voltage sag fault 协调控制 |
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| Notes | Shi Xiangqian , Geng Yiwen , Huang Zunchen, Qu Zisen （1. School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou 221008, Jiangsu, China. 2. SUN Yue-qi Honors College, China University of Mining and Technology, Xuzhou 221008, Jiangsu, China） In view of the serious consequences caused by the off-the-grid at large-scale photovoltaic power plants when grid failure or disturbance takes place, a control strategy based on low voltage ride through （LVRT） of the photovolta- ic power plant was proposed. The control strategy of the grid-connect6d inverter based on the positive and negative se- quence synchronous rotating coordinate and the implementation of the coordination control of the LVRT active and re- active current were analyzed in detail. Then simulation and experiments were carried out with the single-phase voltage sag fault as the example. The results showed that the proposed control strategy could not only ensure overcurrent would not happen to current output of the |
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| PublicationYear | 2015 |
| Publisher | 中国矿业大学信息与电气工程学院,江苏徐州,221008%中国矿业大学孙越崎学院,江苏徐州,221008 |
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| Snippet | 针对大规模光伏电站在电网故障或扰动时突然脱网造成的严重后果,提出了一种光伏电站低电压穿越（Low Voltage Ride Through,LVRT）控制策略,详细分析了基于正负序同步旋转坐... TM464; 针对大规模光伏电站在电网故障或扰动时突然脱网造成的严重后果,提出了一种光伏电站低电压穿越(Low Voltage Ride Through,LVRT)控制策略,详细分析了基于正负序同步... |
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| SubjectTerms | 低电压穿越 光伏电站 协调控制 单相电压跌落故障 正负序同步旋转坐标系 |
| Title | 光伏电站低电压穿越技术研究 |
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