MODIFIED COUPLED-INDUCTOR SINGLE-STAGE BOOST INVERTER BASED GRID-CONNECTED PHOTOVOLTAIC (PV) SYSTEM
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LITERATURE REVIEW:, INTRODUCTIONAbstract
Different advantages with grid connected Photovoltaic (PV) Power System has been attracting more and more attention for its lower cost, smaller volume, as well as higher efficiency. One of the technical challenges and we can also say that important factor is the safety issue of the leakage current caused by the common mode voltages (CMV) conducting in the loop with parasitic capacitors between the solar panel and the ground. A coupled inductor single stage boost inverter (CL-SSBI) will be introducingan impedance network, including coupled inductor in the front end of Inverter Bridge. Using coupled inductor single stage boost inverter (CL-SSBI) with near state pulse width modulation (NSPWM) which can reduce leakage current of the grid connected PV system.One ofthe main advantagesis that there is no transformer in the system. The proposed transformer less grid connected photovoltaic (PV) system on the CL-SSBI modulated by NSPWM will be simulated in MATLAB/SIMULINK.
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