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Multi units of wind and diesel based generators in isolated hybrid power system have technical and operational advantages over single units system. They require dynamic reactive power compensation for fast recovery of voltage under load and input changes. In developing countries like India, investors’ prime concern is to provide continuous electricity at low rate while quality degradation can be permitted...
Attention towards Distribution Generation (DG) is increasing day by day to decrease the electricity imbalance subjected to environment constraints with viable economy to the utility. The objective of this paper is to install DG in weakly meshed distribution network for improvement of voltage profile, reduction of power losses, released feeder capacity, there by reduction in cost of energy loss and...
In this paper, the impact of static synchronous compensator on the ATC enhancement has been studied. The SSSC has been modeled in N-R load flow algorithm to obtain power transfer distribution factors. The ATC enhancement is obtained considering the variations in the control parameters of SSSC. The ATC is obtained for bilateral and simultaneous transactions considering the impact of SSSC series voltage...
This paper presents the analysis of Available Transfer Capability (ATC) and power flows in transmission system considering the variations in Unified Power Flow Controller (UPFC) shunt and series parameters. Flowchart for calculating ATC including UPFC with change in its converters parameters has been discussed. The calculation of ATC with UPFC has been obtained by determining ACPTDF using Newton Rahpson...
This paper presents Series Voltage regulator (SVR) placement in the distribution load flow calculations for different static load models for steady-state voltage compensation and loss reduction. The forward and backward sweep algorithm for SVR placement is used. The validity of the proposed model is examined using standard distribution systems consisting of 33 nodes. The best location of SVR for mitigation...
In the recent years, with increase in the nonlinear power electronic devices in every sphere, it has given rise to two important limitations; harmonics generation and lagging current from the utility. In addition to these, the other power quality problems have appeared in the system that reduces the overall efficiency of the system. In this paper, unified power quality conditioner (UPQC) has been...
Power Quality is an issue that is becoming increasingly important to electricity consumers at all levels of usage. The nonlinear characteristics of power electronic devices give rise to two important limitations; they generate harmonics and draw lagging current from the utility. In recent years unified power quality conditioner (UPQC) is being used as a universal active power conditioning device to...
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