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电网技术  2014 

微电网逆变器VCS模式与CCS模式的切换技术

DOI: 10.13335/j.1000-3673.pst.2014.04.002, PP. 830-837

Keywords: 电流源模式,PQ控制,电压源模式,下垂控制,闭环跟踪

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Abstract:

基于传统PWM整流器的PQ控制电流源(currentcontrolledsource,CCS)模式和适用于微电网逆变器的下垂控制电压源(voltagecontrolledsource,VCS)模式,增加了输出闭环跟踪环节,提出了一种适用于微电网逆变器在2种控制模式间平滑、稳定切换的方法。分析了该切换方法的工作原理,并从稳定性和响应速度等方面对闭环跟踪环节控制参数的设计进行了分析。仿真和实验结果验证了所提模式切换方法的可行性。

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