NDLI: Improve market efficiency with topology configuration: Ex-ante and ex-post

Content Provider	IEEE Xplore Digital Library
Author	Jianwei Liu Hong Chen
Copyright Year	2011
Description	Author affiliation: PJM Interconnection, Norristown, PA 19403 USA (Jianwei Liu; Hong Chen)
Abstract	Electricity markets are operated upon reliable power system operation, where physical resources and financial transactions are committed based on variable market and system inputs. System operators need to ensure transmission reliability at all times. Transmission outages occur daily to allow reliability maintenance and integration of network upgrades. Outage windows vary with the complexity of work scopes and are constrained by various system conditions, such as applicable outage seasons, conflictions with concurrent outages, etc. Operation planning engineers usually perform ex-ante congestion management analysis to evaluate the impact of transmission outages on system security and market efficiency during the outage window, and provide recommendations on outage scheduling and congestion management. Transmission outages may induce high market operation cost when outage windows are not be able to be “optimized” and congestion occurs. In real-time operation, operators have proved the effectiveness of applying “no-cost” switching to relieve congestion when network topology configuration is applicable. Ex-post market efficiency analysis has been studied to provide operation strategy review to the operators, an effort in perfect dispatch. Ex-ante market efficiency analysis of outages faces market and operational uncertainties. Common factors include outage location and scope, outage duration, flexibility of outage rescheduling, potential confliction with concurrent outages, weather and seasonal conditions during the outages, etc. Operators need to develop robust and effective market simulation cases and tool sets to predict the impacts on production cost, congestion revenue, and other market efficiency indicators. Heuristic approaches are often applied due to the inexplicit nature of these types of studies. After-the-fact review on congestion management with no-cost transmission switching is an applicable approach in real-time operation review. However, ex-post market efficiency assessment of long duration outages or topology configuration could be a challenging task. Market input variations due to the occurred topology changes are also hard to define, which are crucial to quantify market efficiency change with outage rescheduling, or topology reconfiguration. This panel will review the above challenges with practices.
Starting Page	1
Ending Page	1
File Size	720088
Page Count	1
File Format	PDF
ISBN	9781457710001
ISSN	19449925
e-ISBN	9781457710025
e-ISBN	9781457710018
DOI	10.1109/PES.2011.6039874
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Educational institutions Topology Power system reliability Real time systems Reliability Security Electrical engineering transmission congestion management Electricity Market
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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