Power Conditioning System for a Solar Photovoltaic System Using Level Shift Sinusoidal PWM

Vol. 3  Issue 3
Year: 2015
Issue:Aug-Oct
Title:Power Conditioning System for a Solar Photovoltaic System Using Level Shift Sinusoidal PWM
Author Name:Mahesh Babu, K.K. Deepika and B. Jyothi 
Synopsis:

Maximum Energy can be extracted from the popularly used PV systems by using Power conditioner circuit. Power conditioner controlled with FPGA is implemented in this paper. Variable DC power from the solar array [33][34] is converted to constant DC voltage using a Boost converter. FPGA controller adjusts the pulse width to maintain the output voltage of the boost converter constant. The obtained constant DC voltage is converted to 3-phase AC using a 3-Phase 3-level diode clamped inverter. Reference current at AC side of the inverter is controlled by current control MPPT based on six-region operation. 2-stage power conditioner for the Solar PV system is developed in MATLAB Simulink and Xilinx System generator tool. Simulated results are analysed using Bode plot and THD analysis.