DocumentCode
1342211
Title
IEC medium-voltage circuit-breaker interrupting ratings-unstated short-circuit considerations
Author
Cossé, Roy E., Jr. ; Hazel, Terence G. ; Thomasset, Georges
Author_Institution
Kellogg Brown & Root Inc., Houston, TX, USA
Volume
36
Issue
3
fYear
2000
Firstpage
884
Lastpage
892
Abstract
International Electrotechnical Commission medium-voltage circuit-breaker interrupting ratings are reviewed using typical petrochemical examples. This paper investigates the complexity of high-magnitude X/R ratios, and short-circuit current zero-axis crossings beyond the interrupting time of the standard circuit-breaker when used for generator applications. Guidelines are provided, enabling the engineer to correctly define the circuit-breakers and switchgear for these applications
Keywords
IEC standards; circuit breakers; interrupters; short-circuit currents; IEC MV circuit-breaker interrupting ratings; International Electrotechnical Commission; generator applications; high-magnitude X/R ratios; interrupting time; short-circuit current zero-axis crossings; switchgear; unstated short-circuit considerations; Chemical industry; Circuits; Delay; Guidelines; IEC standards; Medium voltage; Petrochemicals; Petroleum; Power engineering and energy; Thermal stresses;
fLanguage
English
Journal_Title
Industry Applications, IEEE Transactions on
Publisher
ieee
ISSN
0093-9994
Type
jour
DOI
10.1109/28.845066
Filename
845066
Link To Document