NDLI: Fault location approach for distribution systems based on modern monitoring infrastructure

Content Provider	IET Digital Library
Author	Cavalcante, Paulo A. H. Almeida, Madson C. de
Abstract	This study presents an approach based on short-circuit theory and on modern monitoring infrastructure for locating permanent and temporary faults in power distribution systems. The main innovative aspects of the proposed approach are: (i) no fault classification is required if phasor measurements are adopted, (ii) both current and voltage measurements may be included in the problem, (iii) in the fault location criterion the measurements are weighted according to their proximity to the fault location, (iv) a refinement scheme allows finding the fault on branches and not only at buses. The proposed approach can cope with magnitude measurements, synchronised phasors obtained via micro phasor measurement unit and unsynchronised phasors, which are being used for the first time for fault location purposes. Case studies are carried out considering a real 134-bus feeder. Initially, the performance of the proposed approach is assessed with respect to fault location, fault type and fault resistance. Next, studies regarding the influence of the number, position and type of measurements are presented. Statistical simulations are performed for assessing the influence of the random errors inherent to measurements, load forecasting and distribution system parameters. The results indicate that the proposed approach is accurate and very promising.
Starting Page	94
Ending Page	103
Page Count	10
ISSN	17518687
Volume Number	12
e-ISSN	17518695
Issue Number	Issue 1, Jan (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/12/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2017.0153
Journal	IET Generation, Transmission & Distribution
Publisher Date	2017-08-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Current Measurement Distribution Network Fault Location Fault Location Approach Fault Resistance Load Forecasting Magnitude Measurement Micro Phasor Measurement Unit Modern Monitoring Infrastructure Phasor Measurement Power Distribution Fault Power Distribution Protection Power Distribution System Power System Measurement And Metering Power System Protection Random Error Real 134-bus Feeder Refinement Scheme Short-circuit Theory Statistical Analysis Statistical Simulations Statistics Synchronised Phasors Unsynchronised Phasors Voltage Measurement
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
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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