| 光伏发电系统Boost电路采用同步技术研究 |
| |
| 引用本文： | 袁建华,徐泽晖,陈轩,李波.光伏发电系统Boost电路采用同步技术研究[J].电测与仪表,2015,52(12). |
| |
| 作者姓名： | 袁建华 徐泽晖 陈轩 李波 |
| |
| 作者单位： | 1. 新能源微电网湖北省协同创新中心，湖北宜昌443002; 三峡大学电气与新能源学院，湖北宜昌443002
2. 三峡大学电气与新能源学院,湖北宜昌,443002 |
| |
| 基金项目： | 湖北省自然科学基金资助项目(2012FFB03703)；湖北省教育厅青年人才基金资助项目( Q20131301)；湖北省宜昌市科技局科技基金资助项目 |
| |
| 摘 要： | 光伏发电系统受光照、温度等环境因素影响,输出功率具有随机波动性。同时光伏电池板输出电压较低,较多使用Boost电路来提高和稳定电压,以及在Boost电路上实现最大功率跟踪,充分利用光伏发电。Boost电路电压增益在电感电流连续模式下计算简便且效率更高,这导致在光伏电池电流较小时就需要较大的电感值才能保证电路处于电感电流连续模式,从而引起电感元件体积和成本增加的问题。在Boost电路中采用同步控制技术,即首先使用场效应开关管来替代原电路中的二极管,然后采用带死区控制的最大功率追踪方法,实现光伏电池电流较小时,即使采用较小电感值,也能获得较高的控制性能和转换效率。MATLAB仿真证明了该方案的可行性与有效性。
|
| 关 键 词： | 光伏发电 最大功率追踪 Boost电路 同步 效率 |
| 收稿时间： | 2014/8/10 0:00:00 |
| 修稿时间： | 2014/8/10 0:00:00 |
Research on the Synchronous Control Strategy of Boost Converter of Photovoltaic Generation System |
| |
| Yuan JianHu,Xu Zehui,Chen Xuan and Li Bo.Research on the Synchronous Control Strategy of Boost Converter of Photovoltaic Generation System[J].Electrical Measurement & Instrumentation,2015,52(12). |
| |
| Authors: | Yuan JianHu Xu Zehui Chen Xuan and Li Bo |
| |
| Affiliation: | 1. Hubei Provincial Collaborative Innovation Center for New Energy Microgrid 2. Institute of Electrical and New Energy,Institute of Electrical and New Energy, China Three Gorges University,Institute of Electrical and New Energy, China Three Gorges University,Institute of Electrical and New Energy, China Three Gorges University |
| |
| Abstract: | The output of photovoltaic generation system is of stochastic volatility that influenced by environmental factors such as light intensity, temperature. To track the maximum power point of photovoltaic cells on the boost converter can achieve its maximum output in real time. The voltage gain of boost converter is more efficient, simple and convenient calculation in continuous current mode (CCM). But it requires larger inductance value to maintain the continuous current mode when the output of photovoltaic cells is lower, this will increase the size and cost of components. In this paper, the diode in Boost converter is replaced by field-effect transistor, it can reduce the inductance value,and improve the control performance and conversion efficiency at the same time. MATLAB simulations prove the validity of proposed control method. |
| |
| Keywords: | photovoltaic generation MPPT boost circuit synchronization efficiency |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《电测与仪表》浏览原始摘要信息 |
|
点击此处可从《电测与仪表》下载全文 |
|
