EP0150132A3 - On-load tap changer - Google Patents

On-load tap changer Download PDF

Info

Publication number
EP0150132A3
EP0150132A3 EP85300443A EP85300443A EP0150132A3 EP 0150132 A3 EP0150132 A3 EP 0150132A3 EP 85300443 A EP85300443 A EP 85300443A EP 85300443 A EP85300443 A EP 85300443A EP 0150132 A3 EP0150132 A3 EP 0150132A3
Authority
EP
European Patent Office
Prior art keywords
tap changer
load tap
load
changer
tap
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.)
Granted
Application number
EP85300443A
Other versions
EP0150132A2 (en
EP0150132B1 (en
Inventor
Kazuo Yoshida
Tsutomu Miyahara
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
Priority claimed from JP851584U external-priority patent/JPS60119723U/en
Priority claimed from JP1051484U external-priority patent/JPS60121616U/en
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP0150132A2 publication Critical patent/EP0150132A2/en
Publication of EP0150132A3 publication Critical patent/EP0150132A3/en
Application granted granted Critical
Publication of EP0150132B1 publication Critical patent/EP0150132B1/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
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • 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
    • H01F29/025—Constructional details of transformers or reactors with tapping on coil or windings
    • 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
    • H01H9/0005—Tap change devices
    • H01H2009/0055—Oil filters for tap change devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)
  • Housings And Mounting Of Transformers (AREA)
EP19850300443 1984-01-24 1985-01-23 On-load tap changer Expired EP0150132B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP8515/84U 1984-01-24
JP851584U JPS60119723U (en) 1984-01-24 1984-01-24 Tap switching device under load
JP1051484U JPS60121616U (en) 1984-01-25 1984-01-25 Tap switching device under load
JP10514/84U 1984-01-25

Publications (3)

Publication Number Publication Date
EP0150132A2 EP0150132A2 (en) 1985-07-31
EP0150132A3 true EP0150132A3 (en) 1986-01-22
EP0150132B1 EP0150132B1 (en) 1988-08-17

Family

ID=26343044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850300443 Expired EP0150132B1 (en) 1984-01-24 1985-01-23 On-load tap changer

Country Status (2)

Country Link
EP (1) EP0150132B1 (en)
DE (1) DE3564509D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3504916C2 (en) * 1985-02-13 1987-03-19 Maschinenfabrik Reinhausen Gebrüder Scheubeck GmbH & Co KG, 8400 Regensburg Oil-filled built-in step switch with oil expansion tank
CN102737816A (en) * 2012-06-25 2012-10-17 景宁畲族自治县电力公司 Oil circuit system of transformer
CN102856044A (en) * 2012-08-13 2013-01-02 吴江市东泰电力特种开关有限公司 Online oil filtering device of on-load tap-changer
DE102013100263A1 (en) * 2013-01-11 2014-07-31 Maschinenfabrik Reinhausen Gmbh On-load tap-changer with a connection to the oil volume of a transformer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3240724A1 (en) * 1981-11-05 1983-05-11 Mitsubishi Denki K.K., Tokyo TRANSFORMER ARRANGEMENT
EP0114648A2 (en) * 1983-01-22 1984-08-01 Hitachi, Ltd. Onload tap-changing transformer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3240724A1 (en) * 1981-11-05 1983-05-11 Mitsubishi Denki K.K., Tokyo TRANSFORMER ARRANGEMENT
EP0114648A2 (en) * 1983-01-22 1984-08-01 Hitachi, Ltd. Onload tap-changing transformer

Also Published As

Publication number Publication date
EP0150132A2 (en) 1985-07-31
DE3564509D1 (en) 1988-09-22
EP0150132B1 (en) 1988-08-17

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