Abstract
The extensive use of non-linear loads in domestic, industrialand commercial services origin harmonic complications.Harmonics make malfunctions in profound equipment, voltage drop across the network, conductor heat increases and overvoltage through resonance. All these problems can be remunerated by using Unified Power Quality Controller (UPQC) and the operation of UPQC depends upon the available voltage across capacitor present in dc link. If the capacitor voltage is maintained constant then it gives satisfactory performance. The proposed research is basically on designing of Wind energy fed to the dc link capacitor of UPQCso as to maintain propervoltageacross it and operate the UPQC for power quality analysis. The proposed technique is the grouping of shunt and series Active Power Filter (APF) to form UPQC which is fed wind energy system and connected to grid for better response in the output. In this paper, the simulation model of series APF, shunt APF, UPQC and Wind energy with UPQC are design in Matlab. The proposed Wind energy-UPQC is design in Matlab simulation for reduction of voltage sag, swell, harmonics in load current and compensation of active and reactive power.
Highlights
In power system, the word harmonic is extensively used to define the distortion for voltage or current waveforms
The extensive use of non-linear loads in domestic, industrialand commercial services origin harmonic complications.Harmonics make malfunctions in profound equipment, voltage drop across the network, conductor heat increases and overvoltage through resonance. All these problems can be remunerated by using Unified Power Quality Controller (UPQC) and the operation of UPQC depends upon the available voltage across capacitor present in dc link
The proposed technique is the grouping of shunt and series Active Power Filter (APF) to form UPQC which is fed wind energy system and connected to grid for better response in the output
Summary
The word harmonic is extensively used to define the distortion for voltage or current waveforms. The use of electricity is increasing very rapidly so the necessity of renewable energy based source is required for interconnection to the distribution network The main drawbacks of the renewable sources are the power generation is not continuous and it is season based. To overcome these disadvantages numbers of renewable sources are interconnected [1,2]. Lee et al [7] described the control techniques of series active power filters compensating for source voltage unbalance and current harmonics. The simulation and experimental design of shunt active power filter for harmonics and reactive power compensation have been described by Jain et al [9]
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