| 大型光伏发电系统的并网控制技术 |
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| 引用本文： | 张喜平,梅柏杉,胥杰,丁佐进. 大型光伏发电系统的并网控制技术[J]. 上海电力学院学报, 2011, 27(6): 554-558 |
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| 作者姓名： | 张喜平 梅柏杉 胥杰 丁佐进 |
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| 作者单位： | 上海电力学院电力与自动化工程学院 |
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| 基金项目： | 上海市教育委员会重点学科建设项目(J51301) |
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| 摘 要： | 论述了大型光伏系统直接并入输电网的可行性．大型光伏电站接入输电网时，采用两级式变换器，前级DC／DC推挽电路实现最大功率跟踪控制；后级DC／AC采用电压型PWM逆变器，可以方便地对光伏电站进行扩容，并稳定直流母线电压，实现光伏阵列的最大功率输出．最后在MATLAB／sIMuLINK仿真平台上搭建两级式三相并网光伏发电系统仿真模型，并进行控制策略仿真．结果表明光伏并网系统能够稳定运行．
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| 关 键 词： | 大型光伏发电系统 并网 最大功率跟踪 两级式 |
| 收稿时间： | 2011-06-28 |
Research on Grid-connected Control Strategy of Large-scale PV Power System |
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| ZHANG Xi-ping,MEI Bai-shan,XU Jie and DING Zuo-jin. Research on Grid-connected Control Strategy of Large-scale PV Power System[J]. Journal of Shanghai University of Electric Power, 2011, 27(6): 554-558 |
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| Authors: | ZHANG Xi-ping MEI Bai-shan XU Jie DING Zuo-jin |
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| Affiliation: | (School of Electric Power and Automation Engineering,Shanghai University of Electric Power,Shanghai 200090,China) |
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| Abstract: | The possibility of connecting large-scale PV power system directly to the transmission network is discussed.There is two-scale converter,pre-class DC/DC which realizes MPPT functional;back stage DC/AC,formed by the voltage inverter,which can realize substation expansion and voltage stability of DC bus,in the photovoltaic power system.Then large-scale photovoltaic plant is connected to transmission network.Finally,model of system is simulated based on MATLAB /SIMULINK simulation platform,especially the control strategy simulation.The results show that the photovoltaic system can run stably. |
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| Keywords: | large-scale PV power system grid-connected MPPT two-scale converter |
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