NDLI: Improved fault location algorithm for multi-location faults, transforming faults and shunt faults in thyristor controlled series capacitor compensated transmission line

Content Provider	IET Digital Library
Author	Swetapadma, Aleena Yadav, Anamika
Abstract	Fault location estimation in series compensated transmission lines is quite difficult because a non-linear current dependent circuit appears between the substation and fault point. In particular, the faults which occur at different locations at the same time in different phases known as multi-location faults has not been addressed by researchers. Other types of fault that may occur in transmission lines are transforming faults where one type of fault transforms to another type fault after some time. In this study, a fault location estimation scheme using artificial neural network (ANN) is presented for multi-location faults, transforming faults as well as for commonly occurring shunt faults in thyristor controlled series capacitor (TCSC) compensated transmission line. DB-4 wavelet is used for pre-processing of the three-phase current and voltage signals. The shunt capacitance of the line is considered based on distributed parameter line model. Feasibility of the ANN-based fault location algorithm is tested under a wide variation of parameters, such as fault type, location, fault resistance and fault inception angle. Fault location errors are within 0.001–1% range.
Starting Page	1597
Ending Page	1607
Page Count	11
ISSN	17518687
Volume Number	9
e-ISSN	17518695
Issue Number	Issue 13, Oct (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/9/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2014.0981
Journal	IET Generation, Transmission & Distribution
Publisher Date	2015-05-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	ANN Module Artificial Neural Network DB-4 Wavelet Digital Signal Processing Fault Diagnosis Fault Inception Angle Fault Location Estimation Scheme Fault Point Fault Resistance Fault Type Improved Fault Location Algorithm Multilocation Fault Neural Computing Technique Neural Nets Nonlinear Current Dependent Circuit Other Power Apparatus And Electric Machine Power Capacitor Power Converter Power Engineering Computing Power Supplies to Apparatus Power System Protection Power Transmission Cables Power Transmission Fault Power Transmission Line Power Transmission Protection Power Transmission, Distribution And Supply Shunt Capacitance Shunt Fault Signal Processing Signal Processing And Detection Substation Substations TCSC Compensated Transmission Line Protection Three-phase Current Signal Preprocessing Three-phase Voltage Signal Preprocessing Thyristor Application Thyristor Controlled Series Capacitor Compensated Transmission Line Transforming Fault
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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