MODELING AND SIMULATION OF POWER QUALITY IMPROVEMENT IN THREE PHASE SYSTEM BY USING SAF WITH PLL AND DQ METHODS

Electrical Engineering

The oversupply of electronic devices in the distribution system has turned into a power quality problem. Arc awards, Variable Frequency Drives (VFD), Computer power play a major role in the deterioration of quality energy by injecting harmonics into the service delivery source. This paper represents an effective solution for an effective energy filter to eliminate harmonics to maintain the quality of the power supply. On the proposed screen the active filter acts as a current source and eliminates harmonics by injecting equal but opposite parts of the common junction. The simulation of an active shunt filter based on the concept of active energy efficiency was performed using the MATLAB-Simulink Toolbox. To prove the flexibility and effectiveness of the proposed system two types of loads have been considered and the results of simulation have been obtained.

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