Power Controlled Grid Linked Inverter Using Phase Shifting Technique

Abstract

In the grid connected photovoltaic system Inverter the essential criteria is the power control both active and reactive required before it is injected into the grid. In this paper a control strategy microcontroller based grid linked PWM inverter has been designed. The strategy is made on the basis of shifting of inverter output voltage with respect to grid. The controlled strategy is done using Simulink blocks, function block, counter, and by generating PWM pulses for synchronization with the grid.