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| 500 kW光伏发电系统并网逆变器 | |
| 引用本文： | 才利存,常忠廷,周如,宋新甫.500 kW光伏发电系统并网逆变器[J].电网与水力发电进展,2011,27(12):95-99. |
| 作者姓名： | 才利存 常忠廷 周如 宋新甫 |
| 作者单位： | 1. 河南许继集团有限公司,河南许昌,461000 2. 新疆电力设计院,新疆乌鲁木齐,830002 3. 新疆电力公司电力规划研究中心,新疆乌鲁木齐,830011 |
| 摘 要： | 介绍了500 kW光伏并网逆变器的系统结构和工作原理,采用了IGBT功率模块并联技术来提高系统容量,并对主回路参数的设计方法进行了研究。在此基础上研制了一台500 kW光伏并网逆变器的样机,进行了试验研究,试验结果证明该样机运行稳定,性能可靠,具有较强的实用性。 |
| 关 键 词： | 光伏并网逆变器 LCL滤波器 并联 谐振频率 |
Research on Grid-Connected Inverter for 500 kW Photovoltaic Power System |
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| Authors: | CAI Li-cun CHANG Zhong-ting ZHOU Ru and SONG Xin-fu |
| Affiliation: | 1. XJ Group Corporation, Xuchang 461000,Henan Province, China; 2.Xinjiang Electric Power Design Institute, Urumqi 830002, Xinjiang Uygur Autonomous Region, China; 3. Power Planning Research Center of Xinjiang Electric Power Company, Urumqi 830011, Xinjiang Uygur Autonomous Region, China) |
| Abstract: | The system structure and working principle of the grid-connected inverter for 500 kW Photovoltaic Power System (PV) is introduced in this paper. The IGBT parallel technology is used to raise the system capacity, and the designing method for the parameters in the main circuit parameter is intensively studied. On the basis of it, a prototype of grid-connected inverter for 500 kW PV is developed and the corresponding experiment is conducted. The experimental results show that the prototype has high operation stabilization and performance reliability with a wide application prospect. |
| Keywords: | PV grid-connected inverter LCL filter parallel resonance frequency |
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