| 基于Simulink的单相光伏并网逆变器仿真研究 |
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| 引用本文： | 毛洪生,毛行奎,裴昌盛.基于Simulink的单相光伏并网逆变器仿真研究[J].低压电器,2011(6):28-33. |
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| 作者姓名： | 毛洪生 毛行奎 裴昌盛 |
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| 作者单位： | 福州大学,电气工程与自动化学院,福建,福州,350108 |
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| 摘 要： | 针对光伏电池输出电压范围宽的特点,提出了一种准两级主电路拓扑的单相光伏并网逆变器方案,并建立了基于Simulink的,包括光伏电池模型在内的光伏发电系统仿真模型。仿真结果表明,系统采用的改进变步长扰动观察法,可有效减小最大功率点跟踪时的振荡;无差拍控制保证并网输送的电能质量高;有源频率漂移法能快速、有效地实现孤岛保护。仿真验证了所采用的光伏系统方案的可靠性和先进性,为试验样机开发提供了很好的仿真基础。
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| 关 键 词： | 光伏并网逆变器 最大功率点跟踪 无差拍控制 |
Simulation and Research of Single-phase Grid-connected Photovoltaic Inverter Based on Simulink |
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| MAO Hongsheng,MAO Xingkui,PEI Changsheng.Simulation and Research of Single-phase Grid-connected Photovoltaic Inverter Based on Simulink[J].Low Voltage Apparatus,2011(6):28-33. |
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| Authors: | MAO Hongsheng MAO Xingkui PEI Changsheng |
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| Affiliation: | MAO Hongsheng,MAO Xingkui,PEI Changsheng(School of Electrical Engineering and Automation,Fuzhou University,Fuzhou 350108,China) |
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| Abstract: | Aiming at the characterstic of photovoltaic cells as wide range of output voltage,a single-phase PV grid-connected inverter solution with a new quasi-two-stage circuit topology was proposed.Based on Simulink,the simulation model of the grid-connected photovoltaic system including PV model was established.The simulation re-sults showed that improved perturbation and observation method with variable step could reduce the oscillation effec-tively when during moximum power point traking(MPPT).Deadbeat control m... |
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| Keywords: | grid-connected photovoltaic inverter maximum power point tracking(MPPT) deadbeat control |
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