| 电网电压谐波对并网逆变器输出电流质量的影响及改进控制策略研究 |
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| 引用本文： | 谢佳,孙韬.电网电压谐波对并网逆变器输出电流质量的影响及改进控制策略研究[J].电力电容器与无功补偿,2019,40(3):148-152. |
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| 作者姓名： | 谢佳 孙韬 |
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| 作者单位： | 国网重庆市电力公司技能培训中心,重庆,400053;重庆大学输配电装备及系统安全与新技术国家重点实验室,重庆,400044 |
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| 摘 要： | 本文基于可再生能源并网发电系统公共耦合点电压存在背景谐波,建立了并网逆变器的等效电路模型,解析了公共耦合点处电压背景谐波影响并网逆变器输出电流的机理,在控制环路中引入多谐振控制器改善了并网逆变器的输出电能质量,并给出了一种多谐振控制器参数设计的方法。最后,在仿真软件中搭建了可再生能源发电系统和配电网的模型,设定了电网背景谐波参数,分别进行了有无多谐振控制器控制策略的仿真实验,实验结果验证了本文采用的控制策略的正确性和可行性。
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| 关 键 词： | 电网谐波 并网逆变器 谐振控制器 |
Study of Influence of Grid Voltage and Harmonics on Output Current Quality of Grid Connected Inverter and Improved Control Strategy |
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| XIE Jia,SUN Tao.Study of Influence of Grid Voltage and Harmonics on Output Current Quality of Grid Connected Inverter and Improved Control Strategy[J].Power Capacitor $ Reactive Power Compensation,2019,40(3):148-152. |
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| Authors: | XIE Jia SUN Tao |
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| Affiliation: | (Skills Training Center of State Grid Chongqing Electric Power Company, Chongqing 400053, China;State Key Laboratory of Power Transmission Equipment & System Security and New Technology in Chongqing University, Chongqing 400044, China) |
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| Abstract: | XIE Jia;SUN Tao(Skills Training Center of State Grid Chongqing Electric Power Company, Chongqing 400053, China;State Key Laboratory of Power Transmission Equipment & System Security and New Technology in Chongqing University, Chongqing 400044, China) |
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| Keywords: | grid harmonics grid connected inverter resonant controller |
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