GB1031813A - Improvements in or relating to transformer tap-changers - Google Patents

Improvements in or relating to transformer tap-changers

Info

Publication number
GB1031813A
GB1031813A GB4037461A GB4037461A GB1031813A GB 1031813 A GB1031813 A GB 1031813A GB 4037461 A GB4037461 A GB 4037461A GB 4037461 A GB4037461 A GB 4037461A GB 1031813 A GB1031813 A GB 1031813A
Authority
GB
United Kingdom
Prior art keywords
switches
series
reactor
selector
changers
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
GB4037461A
Inventor
George Gillespie Wightman
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.)
English Electric Co Ltd
Original Assignee
English Electric Co 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 English Electric Co Ltd filed Critical English Electric Co Ltd
Priority to GB4037461A priority Critical patent/GB1031813A/en
Publication of GB1031813A publication Critical patent/GB1031813A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Protection Of Transformers (AREA)

Abstract

1,031,813. Transformers. ENGLISH ELECTRIC CO. Ltd. Nov. 7, 1962 [Nov. 10, 1961], No. 40374/61. Heading H1T. An on-load transformer tap changer has a reactor 12 with a tapping or one end connected to the transformer winding (at point 11) and one end connected to at least one tap selector 20 through a series of switches 22, 23, one switch having a resistor 28 connected across it. A tap selector 20, 21 may be connected to each end 26, 27 of the reactor via a series of switches 22, 23 and 24, 25, the switches in each series being immersed in oil and mechanically connected to operate together, and a resistor 28, 31 having a value of the order of five times the ohmic reactor impedance being connected as shown. The selectors, which may be immersed in oil, may engage any of the taps 13 to 19, any change in position of a selector being made only when its corresponding switches are open. The resistors assist in the interruption of switching arcs.
GB4037461A 1961-11-10 1961-11-10 Improvements in or relating to transformer tap-changers Expired GB1031813A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4037461A GB1031813A (en) 1961-11-10 1961-11-10 Improvements in or relating to transformer tap-changers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4037461A GB1031813A (en) 1961-11-10 1961-11-10 Improvements in or relating to transformer tap-changers

Publications (1)

Publication Number Publication Date
GB1031813A true GB1031813A (en) 1966-06-02

Family

ID=10414574

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4037461A Expired GB1031813A (en) 1961-11-10 1961-11-10 Improvements in or relating to transformer tap-changers

Country Status (1)

Country Link
GB (1) GB1031813A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678927A (en) * 1983-10-20 1987-07-07 Transformatoren Union Aktiengesellschaft Circuit arrangement for large power transformers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678927A (en) * 1983-10-20 1987-07-07 Transformatoren Union Aktiengesellschaft Circuit arrangement for large power transformers

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