Title:
GAS INSULATED ELECTRICAL DEVICE AND MANUFACTURING METHOD OF GAS INSULATED ELECTRICAL DEVICE
Document Type and Number:
Japanese Patent JP2017011785
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a gas insulated electrical device with high insulation reliability.SOLUTION: A gas insulated electrical device 1 comprises: a container 2 filled with insulation gas; a high-voltage conductor 3 which is arranged inside the container 2 and to which a predetermined voltage is applied; and an insulation support member 4 which insulatively supports the high-voltage conductor 3 with respect to the container 2. The high-voltage conductor 3 is covered with a first dielectric film 6. The first dielectric film 6 includes: a first principal surface 6A which is exposed to the inside of the container 2; and a second principal surface 6B which is located on the opposite side to the first principal surface 6A and which comes into contact with the high-voltage conductor 3. The first dielectric film 6 is not provided with a through-hole which has a hole diameter equal to or smaller than a diameter of an electron avalanche in a usage state of the gas insulated electrical device 1 and which ranges from the first principal surface 6A to the second principal surface 6B.SELECTED DRAWING: Figure 1
Inventors:
YOSHIMURA MANABU
NAKAUCHI SHINICHIRO
AKASHI SHUHEI
NAKAUCHI SHINICHIRO
AKASHI SHUHEI
Application Number:
JP2015121879A
Publication Date:
January 12, 2017
Filing Date:
June 17, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02G5/06; H02B13/035; H02G5/08
Attorney, Agent or Firm:
Fukami patent office
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