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GB1336966A - Transformer for electric arc welding - Google Patents

Transformer for electric arc welding

Info

Publication number
GB1336966A
GB1336966A GB1903972A GB1336966DA GB1336966A GB 1336966 A GB1336966 A GB 1336966A GB 1903972 A GB1903972 A GB 1903972A GB 1336966D A GB1336966D A GB 1336966DA GB 1336966 A GB1336966 A GB 1336966A
Authority
GB
United Kingdom
Prior art keywords
coils
pairs
pair
primary
transformer
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
GB1903972A
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.)
Inst Cercetare Si Proiectare T
Original Assignee
Inst Cercetare Si Proiectare T
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 Inst Cercetare Si Proiectare T filed Critical Inst Cercetare Si Proiectare T
Publication of GB1336966A publication Critical patent/GB1336966A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
    • B23K9/1006—Power supply
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)

Abstract

1336966 Transformers INSTITUTUL DE CERCETARE SI PROIECTARE PENTRU INDUSTRIA ELECTROTEHNICA 25 April 1972 19039/72 Heading H1T A transformer for supplying welding current has the or each primary winding 2 disposed on a core member 1 with the phase secondary winding 3 and one or more pairs 4, 5 and 6, 7 of oppositely wound interconnected coils one coil of each pair i.e. 4 or 6 being closely coupled with the primary winding and the other coil i.e. 5 or 7 being closely coupled with the secondary winding. The pairs of coils then produce an e.m.f. (which may oppose the primary voltage or aid it) due to linkage with different leakage fluxes. Also the coils of each pair may have different numbers of turns so that each pair produces an output voltage. A stop point switch 9 may be arranged to vary the number of pairs of inter-connected coils in the primary circuit to obtain a variable output. The secondary windings may be connected to a welding circuit through a rectifier group.
GB1903972A 1972-05-05 1972-05-25 Transformer for electric arc welding Expired GB1336966A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7216151A FR2182735B1 (en) 1972-05-05 1972-05-05
GB1903972 1972-05-25

Publications (1)

Publication Number Publication Date
GB1336966A true GB1336966A (en) 1973-11-14

Family

ID=54015781

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1903972A Expired GB1336966A (en) 1972-05-05 1972-05-25 Transformer for electric arc welding

Country Status (2)

Country Link
FR (1) FR2182735B1 (en)
GB (1) GB1336966A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459703A1 (en) * 1979-06-27 1981-01-16 Ramonet Andre Hand soldering iron heated by adjustable electric current - obtd. using adjustable transformer with two prim. windings and several switchable sec. windings

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE677549A (en) * 1966-03-10

Also Published As

Publication number Publication date
FR2182735A1 (en) 1973-12-14
FR2182735B1 (en) 1978-03-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee