Abstract
ABSTRACT A simplified active power regulation (APR) scheme for a single-stage grid-connected micro-inverter with pulsating power decoupling capability has been proposed and tested in this work. The versatility of the active power regulation control method makes it to contribute an analytical solution based on maximum power point (MPP) estimation and operate at the right-hand side (RHS) of the PV characteristics while giving reserve fraction. The injection of power to the grid with the help of an APR scheme can be witnessed using the reserve fraction. A test setup with 250 Wp solar panel feeding power to a 230 V, 50 Hz single-phase grid through a single-stage grid-connected micro-inverter has been utilized to test the proposed APR scheme. The entire system has been modeled in MATLAB/ SIMULINK and the same has been implemented and verified by hardware experimentation whose results have been reported with different environmental conditions.
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