Two novel schemes suitable for static switching of three-phase delta-connected capacitor banks with minimum surge current

Delta-connected capacitor banks are used for power factor improvement of balanced three-phase loads (e.g., three-phase induction motors, etc.) and are normally switched in and out using antiparallel thyristors. This paper describes two new schemes for switching delta-connected capacitor banks. While...

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Bibliographic Details
Published inIEEE transactions on industry applications Vol. 33; no. 5; pp. 1348 - 1354
Main Authors Nandi, S., Biswas, P., Nandakumar, V.N., Hedge, R.K.
Format Journal Article
LanguageEnglish
Published IEEE 01.09.1997
Subjects
Capacitors
Diodes
Laboratories
Static VAr compensators
Stress
Switches
Switching circuits
Testing
Thyristors
Voltage
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Summary:Delta-connected capacitor banks are used for power factor improvement of balanced three-phase loads (e.g., three-phase induction motors, etc.) and are normally switched in and out using antiparallel thyristors. This paper describes two new schemes for switching delta-connected capacitor banks. While the first scheme can be readily used for existing delta-connected capacitor banks, the second scheme can switch delta-connected capacitor banks in and out very quickly and, hence, is suitable for static VAr compensator (SVC) applications.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0093-9994
1939-9367
DOI:10.1109/28.633816