Shunt Active Filter for Power Quality Imprvement
Abstract
system has evolved the problem of power quality. Arc
Furnaces, Variable Frequency Drives (VFD), Computer
power supplies play major role in the deterioration in the
quality power by injecting harmonics in the utility supply
source. This paper represents the effective solution of
shunt active power filter for eliminating the harmonics to
maintain the quality of utility power supply. In the
proposed scheme shunt active filter acts as a current
source and eliminates harmonics by injecting equal but
opposite harmonics components at the point of common
coupling. Simulation of shunt active filter based on
instantaneous reactive power theory is carried out using
MAT LAB-Simulink Toolbox. To prove the flexibility and
effectiveness of the proposed scheme two types of loads
have been considered and simulation results are observed.
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