NDLI: Sensitivity analysis and its applications in power system improvements

Content Provider	IEEE Xplore Digital Library
Author	Chureemart, J. Churueang, P.
Copyright Year	2008
Description	Author affiliation: Dept. of Phys., Mahasarakham Univ., Maha Sarakham (Chureemart, J.)
Abstract	The propose of this paper is to study the application of optimal power flow sensitivity for power system improvements. The optimal capacitor placement for injecting reactive power into a power system yields the highest system power factor, decrease in total generation cost and total system losses. The optimal power flow is used to compute the optimal system operating point at the lowest total generation cost under the normal steady state condition. After that, the sensitivity analysis is applied to evaluate the change of total generation cost with respect to the change of reactive power at any bus to determine the optimal location of the capacitor banks. The method of optimal power flow sensitivity is simple but powerful. This method greatly reduces the computational work of computing optimal power flow for several different systems in which capacitors are to be installed. The sensitivity technique is applied to 5-bus and 9-bus test systems. The results show that the technique gives the same answers as the simple technique in which more calculations are needed.
Starting Page	945
Ending Page	948
File Size	386439
Page Count	4
File Format	PDF
ISBN	9781424421015
DOI	10.1109/ECTICON.2008.4600587
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-14
Publisher Place	Thailand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power VAR compensation Sensitivity Sensitivity analysis Optimal power flow Capacitors Power systems Power system improvement Equations Load flow
Content Type	Text
Resource Type	Article

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