Title:
VOLTAGE DEVICE AND COOLING WATER CIRCULATION DEVICE
Document Type and Number:
Japanese Patent JP2023141332
Kind Code:
A
Abstract:
To provide a voltage device and a cooling water circulation device that can suppress leakage of insulating gas filled in a container to the outside even though a cooler is provided in the container.SOLUTION: A voltage device includes a container 2 filled with insulating gas, a device 3 that is placed in the container 2 and generates heat when supplied with electricity, a cooler 4 that is housed in the container 2 and cools an object to be cooled by heat exchange with cooling water, a circulation flow path 71 that is connected to the cooler 4, which is formed in an annular shape such that cooling water circulates therein, and is provided with a cooling portion 72 that cools the cooling water in a portion outside the container 2, an expansion tank 73 that is provided outside the container 2 in the circulation flow path 71 and opened to the atmosphere, and a gas sensor 74 that is provided in contact with the gas coming out of the expansion tank 73 and detects insulating gas.SELECTED DRAWING: Figure 1
Inventors:
ASAI YASUHIRO
SUGITA TATSUNOBU
OKUDA SHIMPEI
MIZUTANI MUTSUMI
SUGITA TATSUNOBU
OKUDA SHIMPEI
MIZUTANI MUTSUMI
Application Number:
JP2022047590A
Publication Date:
October 05, 2023
Filing Date:
March 23, 2022
Export Citation:
Assignee:
NHV CORP
International Classes:
H01J7/26
Attorney, Agent or Firm:
Saegusa International Patent Office