ANN BASED POWER QUALITY IMPROVEMENT USING DUAL TOPOLOGY OF UPQC UNDER NON-LINEAR LOADS
Author(s):
E.CHINNA SUNKAIAH, L.SASIDHAR REDDY, G.RAMA SAI, G.MOUNIKA, K.RESHMA, C.SAGAR KUMAR REDDY, K.SAMPADA
Keywords:
ANN, Active power filters (APF),Dual Unified Power Quality Conditioner (iUPQC), active and reactive power control, unified power quality conditioner (UPQC).
Abstract
In the distribution system grid the operation of power quality conditioner has increased during the past few years due to the constant increase of nonlinear loads linked to the electrical network. It is feasible to ensure a modulated voltage for the loads, balanced and with low harmonic distortion and at the same time leaving undistorted current from the utility grid by employing a Dual topology of unified power quality conditioner. The Dual UPQC incorporates of two active filters the shunt active filter and the series active filter. The Dual UPQC (iUPQC) is combination of two active filters, a series active filter and a shunt active filter (parallel active filter), used to terminate harmonics and unbalances. Divergent from a conventional UPQC, the iUPQC has the series filter managed as a sinusoidal current source and the shunt filter constrained as a sinusoidal voltage source. Thus, the pulse width modulation controls of the iUPQC deal with a well known frequency spectrum, since it is supervised employing voltage and current sinusoidal references, divergent from the conventional UPQC that is Controlled employing non sinusoidal references. This can establish Dual UPQC (iUPQC) with ANN controller for power quality improvement by considering sudden load changes.
Article Details
Unique Paper ID: 155583

Publication Volume & Issue: Volume 9, Issue 1

Page(s): 1165 - 1168
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