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Study on Hysteresis-Band Current Tracking Control of a Single Photovoltaic Grid-Connected Inverter

ZHANG Wei1,TANG Jin-cheng2,YANG Yi1(1.Electrical Engineering Institute of Nantong University,Nantong 226019,China;2.Yancheng Power Supply Company,Yancheng 224002,China)  
The method of inverter control in 3kW single photovoltaic(PV) grid-connected generation system was studied.A model was created by MATLAB/SIMULINK on the principle of hysteresis-band current tracking control.After the adjustment of the system parameters and the system simulation,the grind-connected voltages and currents were giv-en,in which the power factor is approximate to 1.Meanwhile,the total harmonic distortion(THD) was analyzed.The correlative experiments proved that the experiment data were basically accorded with simulating results.
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