NDLI: On Tracking the Source Location of Voltage Sags and Utility Shunt Capacitor Switching Transients

Content Provider	IEEE Xplore Digital Library
Author	Chang, G.W. Ju-Peng Chao Huang, H.M. Cheng-I Chen Shou-Yung Chu
Copyright Year	1986
Abstract	This paper presents a new procedure to track the disturbance source location of voltage sags and shunt capacitor switching transients in a power system based on branch current measurements. In the proposed method, the power-quality metering locations are first determined by the sensitivity of the system fault-current level to the fault voltage. Then, a current deviation index for representing the change of each measured branch current rms magnitudes before and after the disturbance is calculated to track the disturbance source location within an area confined by the directions of the top-priority branches. The IEEE 30-bus benchmark system and an actual transmission system with recorded power-quality disturbance events are used to illustrate the usefulness of the proposed method. Simulation results obtained by the proposed method are also compared with those obtained by a previously developed approach and by actual recorded data. By observing the results, it shows that the proposed method is efficient and accurate to track the source area of voltage sags or shunt capacitor switching transients.
Sponsorship	IEEE Power Engineering Society
Starting Page	2124
Ending Page	2131
Page Count	8
File Size	556208
File Format	PDF
ISSN	08858977
Volume Number	23
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault location Position measurement Power quality Capacitors Power system transients Current measurement Power system faults Power system measurements Voltage Area measurement voltage sag Fault current power quality (PQ) shunt capacitor switching transients
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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