Reactive Power Compensation and Power Injection through Distributed Generation Sources

Abstract

Renewable energy resources are connected in distribution systems to achieving benefits. A control
strategy to consummate favor from these grid-interfacing inverters when installed in 3-phase 4-wire
distribution systems is presented here. This inverter is designed to perform multi-functions by
incorporating active power filter functionality. The inverter can thus be used as: 1) power converter
which injects power originated from wind to the grid, and 2) shunt APF to compensate unbalance
current, load reactive power demand, load current harmonics, and load neutral current. All of these
functions can be done either individually or simultaneously. With this control strategy, the
combination of grid-interfacing inverter and the 3-phase 4-wire linear/non-linear unbalanced load at
point of common coupling appears as balanced linear load to the grid. This concept is verified with
spacious MATLAB/Simulink simulation studies.

How to cite this article: Kumar V, Kumar P, Swarnkar NK. Reactive Power Compensation and Power Injection through Distributed
Generation Sources. J Adv Res Power Electro Power Sys 2017; 4(1&2): 6-11