Practical Realization of an Improved Photovoltaic Grid Integration with MPPT

Neeraj Priyadarshi, Amarjeet Kumar Sharma, Shrikshitish Priyam


To enhance the tracking efficiency and effective system design of photovoltaic system (PV), maximum power point trackers (MPPT) are essential component. Here a 200 W grid connected PV power system is considered for efficient realization. The fuzzy logic controller (FLC) controlled MPPT method has been employed to obtain the optimal power from PV module. Also, a zeta buck –boost converter is proposed to reduce ripple in output which work as a MPPT tracker and provide amplification and reduction in input voltage level without polarity inversion. Space vector pulse width modulation (SVPWM) based 3- phase voltage source inverter (VSI) is employed as it has better dc link utilization, fast dynamic response, low switching losses and fixed switching pattern compared to other conventional current control. The simulation model is designed using MATLAB/Simulink environment and validated through real time dSPACE experimental control.

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