NDLI: Protections to consider with Automatic Bus Transfer Scheme

Content Provider	IEEE Xplore Digital Library
Author	Cramond, J.S. Carreras, A. Duong, V.G.
Copyright Year	2013
Description	Author affiliation: ABB Inc., Raleigh, NC, USA (Carreras, A.; Duong, V.G.) \|\| Yale Univ., New Haven, CT, USA (Cramond, J.S.)
Abstract	Automatic Bus Transfer Scheme (ABTS) provides many benefits to electric power system control and automation operations. In a Main-Tie-Main (M-T-M) bus configuration consisting of two independent sources with a normally open tie breaker, the ABTS offers a quick way to automatically restore a bus that is affected by a loss of its own main source. Automatic retransfer can be done by opening the tie breaker and closing the affected main breaker upon the return of the source. With advanced technology in microprocessor relays, especially coupled with GOOSE application, implementing ABTS can achieve operational speed and reliability and reduced investment cost. However there are complicated system protection and coordination issues that could be overlooked; including: ; Circuit breaker trip and close coil conditions : Motor inrush from the affected bus, Transformer and/or main feeder overload from the healthy bus : Sync check for both buses after recovery of the affected main source : Tie breaker switch onto fault : Protection coordination with sub-feeder close-in fault : Breaker failures : Main bus protection without bus differential relay. This technical paper will present a live project that implements the Automatic Bus Transfer Scheme. Discussion focuses on applying relay functions and logic to resolve the above mentioned system protection and coordination issues.
Sponsorship	IEEE Power Energy Soc.
Starting Page	11
Ending Page	23
File Size	1322281
Page Count	13
File Format	PDF
e-ISBN	9781479901197
DOI	10.1109/CPRE.2013.6822023
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power generation Circuit faults Educational institutions Synchronization Generators Relays Companies
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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