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GB2161989B - Protection of electric power equipment - Google Patents

Protection of electric power equipment

Info

Publication number
GB2161989B
GB2161989B GB08517608A GB8517608A GB2161989B GB 2161989 B GB2161989 B GB 2161989B GB 08517608 A GB08517608 A GB 08517608A GB 8517608 A GB8517608 A GB 8517608A GB 2161989 B GB2161989 B GB 2161989B
Authority
GB
United Kingdom
Prior art keywords
protection
electric power
power equipment
equipment
electric
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.)
Expired
Application number
GB08517608A
Other versions
GB2161989A (en
GB8517608D0 (en
Inventor
Donald Francis Binns
Geoffrey Herbert Cooke
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8517608D0 publication Critical patent/GB8517608D0/en
Publication of GB2161989A publication Critical patent/GB2161989A/en
Application granted granted Critical
Publication of GB2161989B publication Critical patent/GB2161989B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/18—Liquid cooling by evaporating liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)
GB08517608A 1984-07-12 1985-07-12 Protection of electric power equipment Expired GB2161989B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848417762A GB8417762D0 (en) 1984-07-12 1984-07-12 Protection of electric power equipment

Publications (3)

Publication Number Publication Date
GB8517608D0 GB8517608D0 (en) 1985-08-21
GB2161989A GB2161989A (en) 1986-01-22
GB2161989B true GB2161989B (en) 1988-11-23

Family

ID=10563775

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848417762A Pending GB8417762D0 (en) 1984-07-12 1984-07-12 Protection of electric power equipment
GB08517608A Expired GB2161989B (en) 1984-07-12 1985-07-12 Protection of electric power equipment

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848417762A Pending GB8417762D0 (en) 1984-07-12 1984-07-12 Protection of electric power equipment

Country Status (1)

Country Link
GB (2) GB8417762D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407823B1 (en) * 1989-07-10 1995-08-30 Hitachi, Ltd. Insulating-liquid immersed electrical machine
GB0706196D0 (en) 2007-03-29 2007-05-09 E2V Tech Uk Ltd Sealed and cooled enclosure with coltage isolation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB119450A (en) * 1917-09-21 1919-05-29 Charles Sonneborn Improvements in and relating to Radiating Casings and the Manufacture thereof.
US2570304A (en) * 1946-05-17 1951-10-09 Mirrlees Watson Company Ltd Removing suspended solids from liquids
GB1081125A (en) * 1964-07-14 1967-08-31 Shinji Nakazawa Improvements in or relating to conservators for oil-filled transformers
CH627874A5 (en) * 1977-03-24 1982-01-29 Gen Electric Traction-motor transformer having a liquid-tight housing
US4199742A (en) * 1979-01-18 1980-04-22 General Electric Company Bubble deflector for vapor cooled transformers
US4321421A (en) * 1979-03-07 1982-03-23 General Electric Company Vaporization cooled transformer having a high voltage
US4276530A (en) * 1979-09-17 1981-06-30 Electric Power Research Institute, Inc. Vapor-cooled electrical apparatus

Also Published As

Publication number Publication date
GB2161989A (en) 1986-01-22
GB8517608D0 (en) 1985-08-21
GB8417762D0 (en) 1984-08-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee