Title :
Comparison of the dielectric strength of transformer oil under DC and repetitive multimillisecond pulses
Author :
Pokryvailo, A. ; Carp, C.
Author_Institution :
Spellman High Voltage Electron. Corp., Hauppauge, NY, USA
Abstract :
The dielectric strength of fresh and contaminated transformer oil under repetitive millisecond pulses was compared with that at DC voltage. The pulsed breakdown voltage was found to be higher than its DC counterpart by 10 to 20%.
Keywords :
electric breakdown; electric strength; transformer oil; DC pulse; DC voltage; contaminated transformer oil; dielectric strength; pulsed breakdown voltage; repetitive multimillisecond pulses; Breakdown voltage; Cable insulation; Cable shielding; Dielectric breakdown; Oils; Power supplies; Power transformer insulation; high voltage; millisecond pulses; power supply; transformer oil;
Journal_Title :
Electrical Insulation Magazine, IEEE
DOI :
10.1109/MEI.2012.6192366
