GB2267399B - A scheme to prevent the output voltage of power transformers from being driven outside a preset level - Google Patents

A scheme to prevent the output voltage of power transformers from being driven outside a preset level

Info

Publication number
GB2267399B
GB2267399B GB9211234A GB9211234A GB2267399B GB 2267399 B GB2267399 B GB 2267399B GB 9211234 A GB9211234 A GB 9211234A GB 9211234 A GB9211234 A GB 9211234A GB 2267399 B GB2267399 B GB 2267399B
Authority
GB
United Kingdom
Prior art keywords
scheme
prevent
output voltage
preset level
power transformers
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 - Fee Related
Application number
GB9211234A
Other versions
GB9211234D0 (en
GB2267399A (en
Inventor
Nicholas John Hiscock
Christopher Robin Goodfellow
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
Priority to GB9211234A priority Critical patent/GB2267399B/en
Publication of GB9211234D0 publication Critical patent/GB9211234D0/en
Publication of GB2267399A publication Critical patent/GB2267399A/en
Application granted granted Critical
Publication of GB2267399B publication Critical patent/GB2267399B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
    • H02H7/055—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers for tapped transformers or tap-changing means thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
    • H02P13/06—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output by tap-changing; by rearranging interconnections of windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
GB9211234A 1992-05-27 1992-05-27 A scheme to prevent the output voltage of power transformers from being driven outside a preset level Expired - Fee Related GB2267399B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9211234A GB2267399B (en) 1992-05-27 1992-05-27 A scheme to prevent the output voltage of power transformers from being driven outside a preset level

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9211234A GB2267399B (en) 1992-05-27 1992-05-27 A scheme to prevent the output voltage of power transformers from being driven outside a preset level

Publications (3)

Publication Number Publication Date
GB9211234D0 GB9211234D0 (en) 1992-07-08
GB2267399A GB2267399A (en) 1993-12-01
GB2267399B true GB2267399B (en) 1995-11-01

Family

ID=10716105

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9211234A Expired - Fee Related GB2267399B (en) 1992-05-27 1992-05-27 A scheme to prevent the output voltage of power transformers from being driven outside a preset level

Country Status (1)

Country Link
GB (1) GB2267399B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004462A1 (en) * 1978-03-22 1979-10-03 Gould Components Limited AC control apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004462A1 (en) * 1978-03-22 1979-10-03 Gould Components Limited AC control apparatus

Also Published As

Publication number Publication date
GB9211234D0 (en) 1992-07-08
GB2267399A (en) 1993-12-01

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Legal Events

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

Effective date: 20100527