Title:
OIL-IMMERSED TRANSFORMER
Document Type and Number:
Japanese Patent JPH0684652
Kind Code:
A
Abstract:
PURPOSE: To obtain an oil-immersed transformer in which dust can be separated perfectly from insulating oil.
CONSTITUTION: In an oil-immersed transformer which is transported while being sectioned and operated while being connected electrically through connecting duct 2 at site, sectioned tanks 1a, 1b are coupled through two pipings inserted, in opposite directions, with oil supply pumps 22a, 22b, dust removing filters 21a, 21b, and check valves 23a, 23b, and a cooler 4 is provided with check valves 25a, 25b. This constitution allows separation of dust thoroughly from insulating oil in the transformer through a small sized dust separator.
Inventors:
ONOE TATSUYA
Application Number:
JP25718492A
Publication Date:
March 25, 1994
Filing Date:
August 31, 1992
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H01F27/02; H01F27/12; H01F27/28; (IPC1-7): H01F27/02; H01F27/12
Attorney, Agent or Firm:
Hiroshi Murakami (1 outside)
Next Patent: NATURAL CIRCULATION GAS INSULATED TRANSFORMER