Nonflammable and disaster prevention type capacitor

Details Nonflammable and disaster prevention type capacitor Nonflammable and disaster prevention type capacitor

H - Electricity

01

G

H01G 2/00 (2006.01) C09D 5/34 (2006.01) H01B 3/24 (2006.01) H01G 2/10 (2006.01) H01G 2/14 (2006.01) H01G 4/00 (2006.01) H01G 4/14 (2006.01) H01G 4/22 (2006.01) H01G 4/224 (2006.01) H01G 4/258 (2006.01) H01G 4/30 (2006.01) H01G 4/38 (2006.01) H01G 13/00 (2006.01) H02H 5/06 (2006.01) H02H 7/16 (2006.01)

Patent

CA 2343097

In a nonflammable and disaster prevention type capacitor, the sealing property of the capacitor container is increased, a plurality of capacitor elements are collected, is accommodated in the container, and its inside is vacuum deaerated, the perfluorocarbon liquid deaerated by a deaeration apparatus is filled, and a capacitor which maintains an amount of residual air in the perfluorocarbon liquid to be not larger than 5 0, is formed. A fluoride liquid to be filled in the container, consisting of a connection of carbon,, fluorine and oxygen, and which includes per fluoropolyether by not smaller than 90 % and whose boiling point is not lower than 120 °C and not higher than 270 °C, and whose dynamic viscosity at 25 °C is from 0. 9 mm2/s to not larger than 14 mm2/s, is impregnated into the capacitor element. An absolute pressure in the container is not smaller than 120 kPa and not larger than 300 kPa.

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