LCL型并网逆变器电容电压微分反馈有源阻尼实现技术研究*
王爱华, 葛维春, 李铁, 崔岱, 李明明, 肖华锋

Research on Realization Technology of Active Damping Method with Differential Feedback of Filter Capacitance Voltage for LCL Filter Based Grid-connected Inverters
WANG Aihua, GE Weichun, LI Tie, CUI Dai, LI Mingming, XIAO Huafeng
表1 并网逆变器参数
参数 数值
额定功率S/kW 3
直流电压Udc/V 360
逆变侧滤波电感L1/mH 1.04
滤波电容C/μF 10
寄生电阻r 3 000
网侧滤波电感L2/mH 1.06
电网/(V/Hz) 220/50
开关频率f/kHz 18
采样频率fs/kHz 72