DE3679488D1 - UNDER LOAD SWITCHABLE STEP TRANSFORMER. - Google Patents

UNDER LOAD SWITCHABLE STEP TRANSFORMER.

Info

Publication number
DE3679488D1
DE3679488D1 DE8686111362T DE3679488T DE3679488D1 DE 3679488 D1 DE3679488 D1 DE 3679488D1 DE 8686111362 T DE8686111362 T DE 8686111362T DE 3679488 T DE3679488 T DE 3679488T DE 3679488 D1 DE3679488 D1 DE 3679488D1
Authority
DE
Germany
Prior art keywords
under load
step transformer
load switchable
switchable step
movable contact
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
DE8686111362T
Other languages
German (de)
Inventor
Kazuo Itami Seisakusho Yoshida
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE3679488D1 publication Critical patent/DE3679488D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Control Of Electrical Variables (AREA)
  • Protection Of Transformers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Keying Circuit Devices (AREA)

Abstract

An on-load tap changing trnsformer having a preselecting switch which connects taps No.1, No.2, No.3, ... No.N to corresponding fixed contacts No.1, No.2, No.3, ... No.N during a standard connecting operation of a movable contact and connects additional taps No.N+1, No.N+2, No.N+3, .... No.N+M to corresponding fixed contacts during an additional connecting operation of a movable contact.
DE8686111362T 1985-08-22 1986-08-18 UNDER LOAD SWITCHABLE STEP TRANSFORMER. Expired - Fee Related DE3679488D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60183030A JPS6245011A (en) 1985-08-22 1985-08-22 On-load tap changing transformer

Publications (1)

Publication Number Publication Date
DE3679488D1 true DE3679488D1 (en) 1991-07-04

Family

ID=16128507

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686111362T Expired - Fee Related DE3679488D1 (en) 1985-08-22 1986-08-18 UNDER LOAD SWITCHABLE STEP TRANSFORMER.

Country Status (4)

Country Link
EP (1) EP0216125B1 (en)
JP (1) JPS6245011A (en)
AT (1) ATE64037T1 (en)
DE (1) DE3679488D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0741351B2 (en) * 1989-08-21 1995-05-10 豊田合成株式会社 Punch for forging
US7982142B2 (en) * 2004-06-30 2011-07-19 Abb Research Ltd. Diverter switch, a method for operating such a switch and use of such a switch

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE902656C (en) * 1943-12-12 1954-01-25 Koch & Sterzel Ag Control device for step transformers
US3535617A (en) * 1968-02-02 1970-10-20 Lincoln Electric Co Power source including alternating current transformer having output voltage adjustable in small increments
JPS5612716A (en) * 1979-07-12 1981-02-07 Fuji Electric Co Ltd Transformer with tap changing means at loading
JPS5935409A (en) * 1982-08-23 1984-02-27 Meidensha Electric Mfg Co Ltd On-load tap changing transformer

Also Published As

Publication number Publication date
JPH058845B2 (en) 1993-02-03
EP0216125A1 (en) 1987-04-01
JPS6245011A (en) 1987-02-27
ATE64037T1 (en) 1991-06-15
EP0216125B1 (en) 1991-05-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee