| 光伏并网逆变器电流控制技术研究 |
| |
| 引用本文： | 张彦,赵义术,余蜜,熊健.光伏并网逆变器电流控制技术研究[J].电力电子技术,2009,43(5). |
| |
| 作者姓名： | 张彦 赵义术 余蜜 熊健 |
| |
| 作者单位： | 1. 山东电力研究院,山东,济南,250002
2. 华中科技大学,湖北,武汉,430074 |
| |
| 基金项目： | 山东电力集团公司科技项目 |
| |
| 摘 要： | 针对在光伏并网系统中采用单纯PI控制的缺点,提出了增加电网电压前馈控制来改善并网电流波形.分析了引入电网电压前馈控制会减小并网电流与电网电压之间相位差并降低并网电流总谐波畸变系数的原理.仿真和实验结果证实,电网电压前馈补偿可有效改善并网电流波形,同时保证逆变器的并网电流与电网电压同频同相.
|
| 关 键 词： | 逆变器 控制/光伏系统 电压前馈 |
Research on Current Control of Photovoltaic Grid-connected Inverter |
| |
| ZHANG Yan,ZHAO Yi-shu,YU Mi,XIONG Jian.Research on Current Control of Photovoltaic Grid-connected Inverter[J].Power Electronics,2009,43(5). |
| |
| Authors: | ZHANG Yan ZHAO Yi-shu YU Mi XIONG Jian |
| |
| Affiliation: | 1.Shandong Electric Power Research Institute;Jinan 250002;China;2.Huazhong University of Science and Technology;Wuhan 430074;China |
| |
| Abstract: | In photovoltaic grid-connected system,the method of adding voltage feed-forward to improve the shape of grid-conected current wave is presented,the reason for the introduction of the net voltage feed-forward decreasing the phasic difference between grid-connected current and net voltage and reducing the THD of grid-connected current is analyzed.It is confirmed that the net voltage feed-forward compensation can improve grid-connected current availably by the results of simulations and experiments,keep the cu... |
| |
| Keywords: | inverter control /photovoltaic system voltage feed-forward |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
