NDLI: A Novel Principle of Single-Ended Fault Location Technique for EHV

Content Provider	IEEE Xplore Digital Library
Author	Heng, Xu H. Bao, Hui Z. Zhi, Lai L.
Copyright Year	1981
Abstract	A new fault location principle using one-terminal voltage and current data for EHV transmission lines is described, which is based on distributed parameter line model, breaking through the traditional single-ended fault location ideas. The voltage profile along the healthy line could be calculated using single-ended voltage and current data, however, the voltage profile behind the fault point is not true for a faulted line. The norm value of the derivative function of the " fictitious profile" to distance is minimum at the fault point based on which the fault location function is constructed. The numerical algorithm is also described. This principle is proved by EMTP simulations to be immune to fault resistance, fault types, and fault inception angle. Theoretically, the accuracy of the principle is proportional to the sampling rate of the locator.
Starting Page	61
Ending Page	61
Page Count	1
File Size	353078
File Format	PDF
ISSN	02721724
Volume Number	22
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-11-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault location Voltage Circuit faults Power system protection Protective relaying Electrical fault detection Substations Power transmission lines Transmission line theory Power system faults transmission lines distributed parameter line model
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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