GB1250177A - - Google Patents

Info

Publication number
GB1250177A
GB1250177A GB1250177DA GB1250177A GB 1250177 A GB1250177 A GB 1250177A GB 1250177D A GB1250177D A GB 1250177DA GB 1250177 A GB1250177 A GB 1250177A
Authority
GB
United Kingdom
Prior art keywords
fuse
contact
holder
transformer
interlock
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
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 filed Critical
Publication of GB1250177A publication Critical patent/GB1250177A/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
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/10—Adaptation for built-in fuses
    • H01H9/102—Fuses mounted on or constituting the movable contact parts of the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H01H2085/0291—Structural association with a current transformer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fuses (AREA)
  • Regulation Of General Use Transformers (AREA)

Abstract

1,250,177. Transformers. R. CONROI. 18 Oct., 1968 [19 Oct., 1967], No. 49612/68. Heading H1T. [Also in Division H2] A transformer is connected to a high voltage supply through a fuse in a removable holder, the removal of which also interrupts the low voltage circuit which may also contain a fuse. The transformer may be disconnectable from the fuse holder container, an interlock being provided so that disconnection can be effected only when the fuse holder is not in position. In the form shown, the transformer casing has a nose 32 containing a contact 17 connected to one end of the high voltage winding, the other end being earthed. A mating contact 16 carried in the housing 1 is connected to a contact ring 7. The fuse 3 is carried at the open sided front end of a holder 8, a contact 12 being held in a clip 15. When the holder is inserted in the housing 1 the sleeve 12 engages a contact 13 connected to a bus-bar which may be oil immersed in an enclosure with a wall 7. Spring contact members 5, at the other end of the fuse, carry contacts 6 which engage the contact ring 7. The interlock between the fuse holder and transformer is provided by members 23, 24.
GB1250177D 1967-10-19 1968-10-18 Expired GB1250177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR125688 1967-10-19

Publications (1)

Publication Number Publication Date
GB1250177A true GB1250177A (en) 1971-10-20

Family

ID=8640639

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250177D Expired GB1250177A (en) 1967-10-19 1968-10-18

Country Status (4)

Country Link
US (1) US3590320A (en)
ES (1) ES359250A1 (en)
FR (1) FR1560289A (en)
GB (1) GB1250177A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268106A (en) * 1979-10-30 1981-05-19 The Singer Company Fuse holder assembly
CN104616874A (en) * 2015-02-14 2015-05-13 云南电网有限责任公司带电作业分公司 Voltage transformer protection device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB829312A (en) * 1956-11-14 1960-03-02 British Thomson Houston Co Ltd Improved fuse arrangement particularly for high voltage transformers
US3007125A (en) * 1958-02-20 1961-10-31 Gen Electric Inductive device

Also Published As

Publication number Publication date
FR1560289A (en) 1969-03-21
US3590320A (en) 1971-06-29
ES359250A1 (en) 1970-07-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees