NDLI: Novel phasor sequence-based fault detection scheme for wide-area backup protection of series-compensated line

Content Provider	IET Digital Library
Author	Anand, Shubham Kalita, Kaustav Parida, Sanjoy Kumar
Abstract	For series-compensated line, the distance relay finds its limitations during voltage inversion, current inversion, load encroachment, power swing and balanced fault during the power swing. These limitations can be overcome by wide-area backup protection schemes. This study proposes a novel fault detection technique utilising the synchrophasor data of voltage and current signals at system protection centre. The algorithm compares the phase angle difference between positive-sequence voltage phasor under system intact condition and real-time positive- or negative-sequence current phasor, which is computed from the synchronised data obtained from phasor data concentrator after identifying the possible critical buses to which the faulted line is connected. Different cases of fault type, distance and resistance have been considered to validate the proposed scheme with 3-generator, 9-bus western system coordinating council using MATLAB/Simulink platform. The results justify the suitability of the proposed scheme to be deployed for achieving more reliable performance.
Starting Page	6417
Ending Page	6426
Page Count	10
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 26, Dec (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2020.0285
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/26
Journal	IET Generation, Transmission & Distribution
Publisher Date	2020-12-07
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	3-generator Western System Coordinating Council 9-bus Western System Coordinating Council Balanced Fault Current Inversion Current Signal Distance Relay Fault Diagnosis Fault Location Load Encroachment MATLAB-Simulink Platform Negative-sequence Current Phasor Phase Angle Difference Phasor Data Concentrator Phasor Measurement Phasor Sequence-based Fault Detection Scheme Positive-sequence Voltage Phasor Power Swing Power System Power System Fault Power System Measurement And Metering Power System Protection Power System Reliability Power Transmission, Distribution And Supply Real-time Positive-sequence Current Phasor Relay Protection Reliability Series-compensated Line Synchronisation Synchronised Data Synchrophasor Data System Intact Condition System Protection Centre Voltage Inversion Voltage Signal Wide-area Backup Protection Scheme
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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