System for increasing corona inception voltage of insulating oil

Details System for increasing corona inception voltage of insulating oil System for increasing corona inception voltage of insulating oil

1997-02-13

1998-05-19

McCarthy, Neil

Liquid purification or separation

Processes

Utilizing electrical or wave energy directly applied to...

210774, 210805, 210808, 208179, 208184, 95266, 204559, B01D 1900, B01D 4300

Patent

active

057531269

ABSTRACT:
The Corona Inception Voltage of insulating oils is increased by repetitive cycles of prestressing the oil with a voltage greater than the corona inception voltage, and either simultaneously or serially removing byproducts of corona by evacuation and heating the oil.

REFERENCES:
patent: 3561193 (1971-02-01), Baranowski
patent: 3909383 (1975-09-01), Sato
patent: 4073720 (1978-02-01), Whisman et al.
patent: 4358379 (1982-11-01), Inoue
patent: 4978370 (1990-12-01), Klintenstedt
patent: 5045179 (1991-09-01), Langhoff et al.
patent: 5211856 (1993-05-01), Shen
patent: 5306419 (1994-04-01), Harrison et al.

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