Title :
The jump phenomena
Author :
Simha, Vinod ; Lee, Wei-Jen
Author_Institution :
American Electr. Power, Columbus, OH
Abstract :
This investigative study examines an overvoltage incident that occurred during a routine scheduled maintenance operation on a 24.94 kV distribution network. With two phases remaining energized from a three-phase source, over- voltages were observed at the open-ended phase terminal of the underground cable, and the possible causes of overvoltage, such as switching transients, subharmonic oscillations, and ferroresonance, were investigated.
Keywords :
distribution networks; ferroresonance; overvoltage; power distribution faults; power system transients; power transformers; distribution network maintenance operation; ferroresonance; mathematical model; nonlinear inductor; overvoltage incident; phase switching operation; power system transient behavior analysis; subharmonic oscillations; switching transients; three-phase shell transformer; underground cable; voltage 24.94 kV; Distributed parameter circuits; Ferroresonance; Lightning; Nonlinear distortion; Power cables; Power system transients; Power transmission lines; Surges; Transformers; Voltage control;
Journal_Title :
Industry Applications Magazine, IEEE
DOI :
10.1109/MIAS.2008.927533
