NDLI: Understanding and solving short-term voltage stability problems

Content Provider	IEEE Xplore Digital Library
Author	Diaz de Leon II, J.A. Taylor, C.W.
Copyright Year	2002
Description	Author affiliation: American Supercond., Middleton, WI, USA (Diaz de Leon, J.A., II)
Abstract	Based on actual incidents, short-term voltage instability is an increasing, but often overlooked, industry concern. A common scenario is a large disturbance such as a multi-phase fault near a load center that decelerate motor loads. Following fault clearing with transmission outages, motors raw very high current while simultaneously attempting to reaccelerate, and may stall if the power system is weak. Massive loss of load and possibly area instability and voltage collapse may follow. The authors describe actual incidents. Fast-acting generator excitation controls, fast-acting reactive power support devices (SVC, STATCOM, SMES), or fast load shedding can prevent voltage collapse. Proper analysis requires dynamic modeling of aggregated motor loads, with equivalents for distribution feeders. Power electronic based voltage support devices must be realistically modeled to determine required size, location, number, and type. Based on simulations, they conclude that voltage-sourced converter devices (STATCOM, SMES) are attractive countermeasures against load loss and voltage collapse. Factory built distribution-connected distributed devices may be cost-effective compared to larger transmission-connected devices.
Starting Page	745
Ending Page	752
File Size	767392
Page Count	8
File Format	PDF
ISBN	0780375181
DOI	10.1109/PESS.2002.1043412
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-07-21
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stability Power system modeling Power system dynamics Automatic voltage control Samarium Power system analysis computing Power system faults Power generation Voltage control Reactive power control
Content Type	Text
Resource Type	Article

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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
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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