JPS529888A - Cooling device for oil-filled electrical equipment - Google Patents

Cooling device for oil-filled electrical equipment

Info

Publication number
JPS529888A
JPS529888A JP50085820A JP8582075A JPS529888A JP S529888 A JPS529888 A JP S529888A JP 50085820 A JP50085820 A JP 50085820A JP 8582075 A JP8582075 A JP 8582075A JP S529888 A JPS529888 A JP S529888A
Authority
JP
Japan
Prior art keywords
oil
cooling device
electrical equipment
filled electrical
colling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP50085820A
Other languages
Japanese (ja)
Inventor
Norio Ikemoto
Tsunehiko Nagaya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50085820A priority Critical patent/JPS529888A/en
Publication of JPS529888A publication Critical patent/JPS529888A/en
Pending legal-status Critical Current

Links

Landscapes

  • Transformers For Measuring Instruments (AREA)
  • Insulators (AREA)

Abstract

PURPOSE: A cooling device for a bushing, etc. of oil-filled electric equipment, in which a boiling heating surface permitting a refrigerant to pass through into an inner wall of a tank space into which no insulating oil penetrates is mounted, thereby affording higher colling efficiency.
COPYRIGHT: (C)1977,JPO&Japio
JP50085820A 1975-07-15 1975-07-15 Cooling device for oil-filled electrical equipment Pending JPS529888A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50085820A JPS529888A (en) 1975-07-15 1975-07-15 Cooling device for oil-filled electrical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50085820A JPS529888A (en) 1975-07-15 1975-07-15 Cooling device for oil-filled electrical equipment

Publications (1)

Publication Number Publication Date
JPS529888A true JPS529888A (en) 1977-01-25

Family

ID=13869483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50085820A Pending JPS529888A (en) 1975-07-15 1975-07-15 Cooling device for oil-filled electrical equipment

Country Status (1)

Country Link
JP (1) JPS529888A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100270875A1 (en) * 2009-04-23 2010-10-28 Kabushiki Kaisha Toshiba High-voltage bushing of a rotating electric machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4914024A (en) * 1972-05-16 1974-02-07
JPS5017674A (en) * 1973-06-14 1975-02-25

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4914024A (en) * 1972-05-16 1974-02-07
JPS5017674A (en) * 1973-06-14 1975-02-25

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100270875A1 (en) * 2009-04-23 2010-10-28 Kabushiki Kaisha Toshiba High-voltage bushing of a rotating electric machine
JP2010259196A (en) * 2009-04-23 2010-11-11 Toshiba Corp High voltage bushing of rotary electric machine
US8222778B2 (en) * 2009-04-23 2012-07-17 Kabushiki Kaisha Toshiba High-voltage bushing of a rotating electric machine

Similar Documents

Publication Publication Date Title
JPS529889A (en) Cooling device for bushing
JPS529888A (en) Cooling device for oil-filled electrical equipment
JPS5225298A (en) Treatment method of ester oil for electrical insulation
JPS51143850A (en) Grounding current breaker
JPS5361001A (en) Insulator for electrical equipment
JPS51114602A (en) Electrodeposition insulating process
JPS5336622A (en) Control device of induction electric motor
JPS54136441A (en) Heat-generating body
JPS5343894A (en) Bushing colling device
JPS5295100A (en) Improvement of cellulose insulator
JPS5238200A (en) Electric apparatus
JPS52128588A (en) Cooling method of terminal part of power cable
JPS5313131A (en) Three phase transformer
JPS51149512A (en) Starting method of the electric motor having the ac generator as the power source
JPS5343895A (en) Bushing cooling device
JPS523180A (en) Oil immersed power cables
JPS52112704A (en) Manufacturing method of the water sealed type submersible motor
JPS51127500A (en) Press board lamination article for oil-filled electric apparatus
JPS5243939A (en) Cooling device of oil-immersed electric apparatus
JPS52142247A (en) Electrical appliances installation board
JPS53821A (en) Bushing pocket for electric machinery
JPS5333304A (en) Connection between commutator and conductor
JPS52115319A (en) Oil immersed type current transformer
JPS5242201A (en) Rotor insulator for motor
JPS5268921A (en) Transformer for large electric current