NDLI: Disturbances at the commutation of the condensers batteries as part of the national Electrical Energetic System

Content Provider	IEEE Xplore Digital Library
Author	Tusaliu, P. Ciontu, M. Tusaliu, V.
Copyright Year	1996
Description	Author affiliation: Fac. de Electrotehnica, Craiova Univ., Romania (Tusaliu, P.)
Abstract	The study presents the main electromagnetic stresses, generated by the transition state which happened at the commutation of simple and multiple condensers batteries. For successful compensation of wattless-inductive energy, the condensers batteries are characterised in the connection process by the powerful current shocks and by the dangerous increase of voltage for security function of the Electrical Energetic System and even of the surrounding environment. Thus, in the connection process and reenergization, the electric arc, powerful current shocks (with values from tens and even hundreds multiply by nominal current value), which produces dynamic, thermic stresses, from wear of electric contacts and from degradation of extinction environment of circuit breakers, appeared. At the disconnection of simple batteries but more striking at the disconnection of multiple condenser batteries, an important commutation overvoltage can appear, which in certain cases can become very dangerous for the apparatus-network and sometimes even for the environment. Both the transition current shock at connection and the commutating overvoltages at disconnection, generate important values of magnetic and electric fields, which, through their amplitudes, but especially the rapid variation in time direct to important stresses, sometimes cause destructive effects as part of the Electrical Energetic System. These phenomena are analysed, in theoretical aspects and illustrated in practical aspects.
Starting Page	1594
Ending Page	1597
File Size	485118
Page Count	4
File Format	PDF
ISBN	0780331095
DOI	10.1109/MELCON.1996.551257
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-05-16
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Batteries Electric shock Voltage control Power system security Thermal stresses Contacts Degradation Circuit breakers DC generators Magnetic analysis
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
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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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