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Wind Energy Fed UPQC System for Power Quality Improvement Sarita Samal; Prakash Kumar Hota
Bulletin of Electrical Engineering and Informatics Vol 7, No 3: September 2018
Publisher : Institute of Advanced Engineering and Science

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.

Wind Energy Fed UPQC System for Power Quality Improvement Sarita Samal; Prakash Kumar Hota
Bulletin of Electrical Engineering and Informatics Vol 7, No 3: September 2018
Publisher : Institute of Advanced Engineering and Science

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.

Wind Energy Fed UPQC System for Power Quality Improvement Sarita Samal; Prakash Kumar Hota
Bulletin of Electrical Engineering and Informatics Vol 7, No 3: September 2018
Publisher : Institute of Advanced Engineering and Science

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.

Impact of FACTS Devices in Optimal Generation in Deregulated Power System Pramod Kumar Gouda; Prakash Kumar Hota
International Journal of Applied Power Engineering (IJAPE) Vol 4, No 3: December 2015
Publisher : Institute of Advanced Engineering and Science

Since Gencos and Discos compete primarily based on the price in a deregulated market, minimizing the losses or regulating the voltage or controlling the power flow within the rating of power system components such as cables, transformers, transmission lines become extremely difficult. Recent developments in FACTS devices increases the number of constraints and nonlinearity, and henceachieving the optimal solution becomes further complicated. The Optimal Power Flow Problem, determines the best way to operate a power system at any given instant. It solves the power system load flow with an aim to optimize system operating conditions while automatically adjusting control variable settings without violating the system operating constraints. In this paper such constraints based OPF scheme is developed and presented which also incorporates various Flexible AC Transmission Devices. In this work three different types of FACTS devices namely SVC, TCSC, UPFC are separately included into the OPF problem in addition to the conventional constraints that govern an OPF solution. An IEEE 30 bus system is considered and the results obtained for three different loading conditions with three different FACTS devices and their performance are evaluated.

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