DocumentCode
1750147
Title
Estimating the annual frequency and cost of voltage sags for customers of five Finnish distribution companies
Author
Heine, P. ; Pohjanheimo, P. ; Lehtonen, M. ; Lakervi, E.
Author_Institution
Helsinki Univ. of Technol., Espoo, Finland
Volume
2
fYear
2001
fDate
2001
Abstract
Frequency and cost of voltage sags for customers of five Finnish distribution companies were evaluated. For voltage sag frequency calculations the method of fault positions was applied. Only sags caused by short circuit faults in medium voltage distribution networks were considered. Sag frequency below considered 50% magnitude showed quite low numbers. However the cost related to this sag magnitude revealed that voltage sags are a relevant power quality issue having economic significance
Keywords
costing; power distribution economics; power distribution faults; power supply quality; short-circuit currents; Finland; Finnish distribution companies; annual voltage sags frequency estimation; economic significance; fault positions method; medium voltage distribution networks; power quality issue; short circuit faults; voltage sag frequency calculations; voltage sags costs;
fLanguage
English
Publisher
iet
Conference_Titel
Electricity Distribution, 2001. Part 1: Contributions. CIRED. 16th International Conference and Exhibition on (IEE Conf. Publ No. 482)
Conference_Location
Amsterdam
ISSN
0537-9989
Print_ISBN
0-85296-735-7
Type
conf
DOI
10.1049/cp:20010754
Filename
942891
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