| 考虑死区与延时影响的LCL型并网逆变器谐波特性分析 |
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| 引用本文： | 班国邦,曾华荣,张露松,朱雯清,李建文.考虑死区与延时影响的LCL型并网逆变器谐波特性分析[J].电力科学与工程,2022,38(1):16-23. |
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| 作者姓名： | 班国邦 曾华荣 张露松 朱雯清 李建文 |
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| 作者单位： | 贵州电网有限公司电力科学研究院,贵州贵阳 550002;防冰减灾重点实验室(南方电网公司),贵州贵阳 550002;华北电力大学电气与电子工程学院,河北保定 071003 |
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| 摘 要： | 针对大规模逆变器接入弱电网易引起宽频带振荡,影响自身及系统的稳定运行的问题,结合PWM控制的三相桥式逆变电路,研究了脉冲宽度调制技术及死区效应下的逆变器并网口输出电压的谐波特性,以及LCL滤波器的固有谐振点以及控制延时对谐波的影响.通过在仿真平台搭建模型,实现了逆变器谐波特性的复现.结果表明,PWM调制技术会产生载波频...
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| 关 键 词： | 控制延时 脉冲宽度调制 逆变器 死区效应 谐波 谐振频率 电力系统稳定 |
Harmonic Characteristics Analysis of LCL Grid-connected Inverter Considering the Influence of Dead Zone and Time Delay |
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| BAN Guobang,ZENG Huarong,ZHANG Lusong,ZHU Wenqing,LI Jianwen.Harmonic Characteristics Analysis of LCL Grid-connected Inverter Considering the Influence of Dead Zone and Time Delay[J].Power Science and Engineering,2022,38(1):16-23. |
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| Authors: | BAN Guobang ZENG Huarong ZHANG Lusong ZHU Wenqing LI Jianwen |
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| Affiliation: | (Electric Power Research Institute of Guizhou Power Grid Co.,Ltd.,Guiyang 550002,China;Key Laboratory of Ice Prevention and Disaster Mitigation of China Southern Power Grid Corporation,Guiyang 550002,China;School of Electrical and Electronic Engineering,North China Electric Power University,Baoding 071003,China) |
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| Abstract: | |
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| Keywords: | control delay PWM inverter dead zone effect harmonic resonance frequency power system stability |
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