NDLI: Synchro-phasors Assisted Back-up Protection of Transmission Line

Content Provider	IET Digital Library
Author	Nougain, Vibhuti Jena, Manas K. Panigrahi, Bijaya Ketan
Abstract	Certain power system situations force protection schemes to mal-operate. Such mal-operations associated with back-up protection (BP) schemes might worsen the situation by initiating the cascading effect, damaging critical elements such as generation units, transformers etc. of the power system, or leading to complete collapse of the power system. To adapt to such a network structure, the relays which are going to participate in BP of transmission line have to evolve. Integration of protection systems, communication network, and computer technology has to be the approach for faster information sharing and decision making. Analysis of recent blackouts clearly shows the importance of advancement of wide-area measurement systems and adaptive nature of relaying. Synchro-phasors assisted BP scheme is proposed in this work, which helps the relays adapt according to the prevailing system situations and decisive action is taken considering security and dependability aspects of the relays.
Starting Page	3414
Ending Page	3420
Page Count	7
ISSN	17518687
Volume Number	12
e-ISSN	17518695
Issue Number	Issue 14, Aug (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/12/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2017.1711
Journal	IET Generation, Transmission & Distribution
Publisher Date	2018-05-09
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Back-up Protection Scheme Cascading Effect Communication Network Computer Technology Decision Making Force Protection Scheme Information Sharing Network Structure Phasor Measurement Power System Power System Measurement And Metering Power System Protection Power Transmission Line Power Transmission Protection Power Transmission, Distribution And Supply Relay Dependability Aspects Relay Protection Synchro-phasors Assisted BP Scheme Transmission Line Wide-area Measurement System
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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