Title :
Impact of utility switched capacitors on customer systems-magnification at low voltage capacitors
Author :
McGranaghan, M.F. ; Zavadil, R.M. ; Hensley, G. ; Singh, T. ; Samotyj, M.
Author_Institution :
Electrotek Concepts Inc., Knoxville, TN, USA
Abstract :
The potential for magnified transient voltages at customer buses during capacitor switching on the primary distribution system is analyzed. The various factors affecting this phenomenon are analyzed in detail through extensive sensitivity analysis simulations. These factors include the switched capacitor size, short circuit capacity at the switched capacitor, customer step down transformer size, low voltage power factor correction, and customer load characteristics. The effects of these transients on customer equipment are described and possible solutions to control the transients are presented
Keywords :
distribution networks; power capacitors; switching; transients; LV power factor correction; customer buses; customer load characteristics; customer step down transformer size; customer systems; magnified transient voltages; primary distribution system; sensitivity analysis simulations; short circuit capacity; utility switched capacitors; Circuit simulation; Low voltage; Power capacitors; Power factor correction; Power quality; Power system transients; Surges; Switched capacitor circuits; Switching circuits; Transient analysis;
Conference_Titel :
Transmission and Distribution Conference, 1991., Proceedings of the 1991 IEEE Power Engineering Society
Conference_Location :
Dallas, TX
Print_ISBN :
0-7803-0219-2
DOI :
10.1109/TDC.1991.169611
