Analysis and application of passive damping LLCL filter in active power filter
作者： Lin Li , Yuanbo Guo , Xiaohua Zhang
DOI: 10.1109/CYBER.2015.7288036
关键词:
摘要: The output current of shunt active power filter (SAPF) contains a lot switching frequency harmonics components. Therefore low-pass passive is often inserted between SAPF and the grid to limit excessive harmnics. paper presents novel damping LLCL for SAPF. inserts small inductor in capacitor branch compose series LC circuit that resonants at frequency. has very low impedance switch frequency, which can strongly eliminate harmonic around At same time drastically reduce total inductance system. comparative analysis discussion LCL presented evaluated. Compared with traditional filter, more excellent performance. Simulation MATLAB/SIMULINK verify theoretical analysis.
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