CA967252A - De-energized tap changer for transformers - Google Patents

De-energized tap changer for transformers

Info

Publication number
CA967252A
CA967252A CA174,938A CA174938A CA967252A CA 967252 A CA967252 A CA 967252A CA 174938 A CA174938 A CA 174938A CA 967252 A CA967252 A CA 967252A
Authority
CA
Canada
Prior art keywords
transformers
tap changer
energized tap
energized
changer
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
CA174,938A
Other versions
CA174938S (en
Inventor
Jan Syren
Uno Zetterlund
Sivert Norman
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.)
ABB Norden Holding AB
Original Assignee
Allmanna Svenska Elektriska AB
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 Allmanna Svenska Elektriska AB filed Critical Allmanna Svenska Elektriska AB
Application granted granted Critical
Publication of CA967252A publication Critical patent/CA967252A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/08—Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/42—Knife-and-clip contacts
    • 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
    • H01H9/0027—Operating mechanisms
CA174,938A 1972-06-27 1973-06-26 De-energized tap changer for transformers Expired CA967252A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE08402/72A SE364139B (en) 1972-06-27 1972-06-27

Publications (1)

Publication Number Publication Date
CA967252A true CA967252A (en) 1975-05-06

Family

ID=20273976

Family Applications (1)

Application Number Title Priority Date Filing Date
CA174,938A Expired CA967252A (en) 1972-06-27 1973-06-26 De-energized tap changer for transformers

Country Status (8)

Country Link
US (1) US3824355A (en)
BR (1) BR7304711D0 (en)
CA (1) CA967252A (en)
DE (1) DE2331360C3 (en)
DK (1) DK134834B (en)
IT (1) IT986592B (en)
SE (1) SE364139B (en)
ZA (1) ZA734329B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3121659C2 (en) * 1981-05-30 1985-04-18 Leopold Kostal GmbH & Co KG, 5880 Lüdenscheid Steering column switch with a hazard warning switch
US4504811A (en) * 1982-11-12 1985-03-12 Westinghouse Electric Corp. Cable operated tap changer for a three-phase transformer
US4514602A (en) * 1982-12-27 1985-04-30 Owen D W Switching apparatus
US4562316A (en) * 1984-06-07 1985-12-31 Asea Electric, Inc. High voltage linear tap changer
US4644112A (en) * 1986-01-03 1987-02-17 Asea Electric, Inc. Linear transformer switch
US5744764A (en) * 1996-09-26 1998-04-28 General Signal Corporation Modular de-energized switch for transformer tap changing
DE19847745C1 (en) * 1998-10-16 2000-01-05 Reinhausen Maschf Scheubeck Tapping switch for interruption-free switchover between different winding tappings of a tapped transformer
NO316818B1 (en) * 2002-03-25 2004-05-18 Vetco Aibel As Switching device for undersea power distribution
EP2180486A1 (en) * 2008-10-27 2010-04-28 Abb Research Ltd. A switch device and a switchgear provided therewith
DE102012103490B4 (en) * 2012-04-20 2015-11-12 Maschinenfabrik Reinhausen Gmbh Distribution transformer for voltage regulation of local networks
KR20160088570A (en) 2015-01-16 2016-07-26 Koc 전기 주식회사 Zero Load Tap For 30 kv Explosion Transformer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR884371A (en) * 1942-03-17 1943-08-11 Savoisienne Const Elec Adjustment tap switch
BE468185A (en) * 1945-02-08 1946-09-27
US2577955A (en) * 1949-04-02 1951-12-11 Hazeltine Research Inc Tuning control mechanism
US2717296A (en) * 1953-09-14 1955-09-06 Gen Electric Electrical switch contacts
US3045090A (en) * 1959-05-08 1962-07-17 Mc Graw Edison Co Tap changer movable contact
US3192328A (en) * 1963-02-01 1965-06-29 Mc Graw Edison Co Movable switch contact assembly with self-aligning bridging plate members
US3673364A (en) * 1970-11-13 1972-06-27 Westinghouse Electric Corp Transformer slide switch with contact clamping means
US3639706A (en) * 1971-03-15 1972-02-01 Stackpole Carbon Co Reciprocating switch mechanism with improved thumbwheel actuator including rack and pinion structure

Also Published As

Publication number Publication date
DK134834C (en) 1977-06-27
DE2331360A1 (en) 1974-01-03
DK134834B (en) 1977-01-24
US3824355A (en) 1974-07-16
DE2331360C3 (en) 1978-03-23
BR7304711D0 (en) 1974-08-22
ZA734329B (en) 1974-05-29
SE364139B (en) 1974-02-11
AU5724173A (en) 1975-01-09
DE2331360B2 (en) 1977-07-14
IT986592B (en) 1975-01-30

Similar Documents

Publication Publication Date Title
CA987751A (en) Position-measuring transformer
CA926901A (en) Tap changer switch
CA967252A (en) De-energized tap changer for transformers
CA948446A (en) Roll changers
CA926938A (en) Load tap changer apparatus
CA976249A (en) Transformer
CA935878A (en) Tap changer
AU453451B2 (en) Tap for forming threads
CA939742A (en) Self energizing tap switch for electronic tap changer
AU482424B2 (en) De-energized tap changer for transformers
CA930806A (en) Transformer having an externally operable no load tap changer
GB1348210A (en) Step selectro for transformer tap changers
CA960326A (en) Transformer having series-multiple windings
CA1005537A (en) Liquid-cooled transformer winding
CA982202A (en) Tap changer
CA862297A (en) Leakage flux diverters for transformers
CA935879A (en) Transformer tap-changer mechanism
CA868045A (en) Multiple tap device for transformers
CA968862A (en) Differential core transformer
CA834325A (en) Tap changer
CA868005A (en) Load tap changer apparatus
CA903874A (en) Transformer tap for underground applications
CA905533A (en) Cover for pad-mount transformers
AU405868B2 (en) Transformer tap changer
AU504588B2 (en) Flux linked windings