NO128190B - - Google Patents

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Publication number
NO128190B
NO128190B NO01195/71A NO119571A NO128190B NO 128190 B NO128190 B NO 128190B NO 01195/71 A NO01195/71 A NO 01195/71A NO 119571 A NO119571 A NO 119571A NO 128190 B NO128190 B NO 128190B
Authority
NO
Norway
Prior art keywords
contact
switch
short
circuit
contacts
Prior art date
Application number
NO01195/71A
Other languages
English (en)
Norwegian (no)
Inventor
T Topper
G Throop
Original Assignee
Westinghouse 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of NO128190B publication Critical patent/NO128190B/no

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
    • 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
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
    • H02H7/055—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers for tapped transformers or tap-changing means thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • H02H7/222—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Transformers (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Housings And Mounting Of Transformers (AREA)
NO01195/71A 1970-04-16 1971-03-30 NO128190B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2915870A 1970-04-16 1970-04-16

Publications (1)

Publication Number Publication Date
NO128190B true NO128190B (de) 1973-10-08

Family

ID=21847563

Family Applications (1)

Application Number Title Priority Date Filing Date
NO01195/71A NO128190B (de) 1970-04-16 1971-03-30

Country Status (11)

Country Link
US (1) US3622867A (de)
JP (1) JPS531454B1 (de)
BE (1) BE765783A (de)
CA (1) CA926939A (de)
CH (1) CH539327A (de)
DE (1) DE2117162A1 (de)
ES (1) ES389881A1 (de)
FR (1) FR2086116B1 (de)
GB (1) GB1340356A (de)
NO (1) NO128190B (de)
SE (1) SE367729B (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735243A (en) * 1972-04-03 1973-05-22 Gen Electric Control system for tap changer with vacuum interrupter
DE2612922C2 (de) * 1976-03-26 1978-05-11 Maschinenfabrik Reinhausen Gebrueder Scheubeck Gmbh & Co Kg, 8400 Regensburg Lastumschalter für Stufentransformatoren mit je einem in den beiden Lastzweigen angeordneten Paar von antiparallel geschalteten Thyristoren
US4061963A (en) * 1976-04-27 1977-12-06 Westinghouse Electric Corporation Load tap changer system
US4096366A (en) * 1976-11-01 1978-06-20 General Electric Company Means for detecting a loss of vacuum in vacuum-type circuit interrupters used in polyphase a.c. vacuum circuit breaker
JPS599138B2 (ja) * 1977-11-26 1984-02-29 雪印乳業株式会社 乾燥チ−ズの製造法
US4384247A (en) * 1981-05-08 1983-05-17 Trw Inc. Under-load switching device particularly adapted for voltage regulation and balance
DE4009038A1 (de) * 1990-03-21 1991-09-26 Reinhausen Maschf Scheubeck Verfahren und anordnung fuer ein ueberwachungssystem fuer stufenschalter von stufentransformatoren
DE4011019C1 (de) * 1990-04-05 1991-12-05 Maschinenfabrik Reinhausen Gmbh, 8400 Regensburg, De
WO1995027931A1 (en) * 1994-04-06 1995-10-19 Utility Systems Technologies, Inc. Load tap changer
US5804954A (en) * 1995-06-26 1998-09-08 Siemens Energy & Automation, Inc. Analog based tap position detector
US5619121A (en) * 1995-06-29 1997-04-08 Siemens Energy & Automation, Inc. Load voltage based tap changer monitoring system
US5633580A (en) * 1995-06-29 1997-05-27 Siemens Energy & Automation, Inc. Direct load current sensing for predicted regulator tap position
BR112013024908B1 (pt) 2011-03-27 2021-02-17 Abb Schweiz Ag comutador de derivação em carga para comutar derivações em um enrolamento de um transformador
MX2013011088A (es) 2011-03-27 2014-05-01 Abb Technology Ag Cambiador de toma con un sistema de monitoreo mejorado.
DE102011081773A1 (de) * 2011-08-30 2013-02-28 Siemens Aktiengesellschaft Verfahren zum Betreiben eines elektrischen Geräts sowie Leistungsschalter
US9198500B2 (en) * 2012-12-21 2015-12-01 Murray W. Davis Portable self powered line mountable electric power line and environment parameter monitoring transmitting and receiving system
US9349547B2 (en) 2013-03-15 2016-05-24 Cooper Technologies Company Switching module for voltage regulator
CN104700995A (zh) * 2015-03-23 2015-06-10 邯郸开发区虫二电气设备设计中心 降低变压器空载损耗的一种方法
US9679710B1 (en) 2016-05-04 2017-06-13 Cooper Technologies Company Switching module controller for a voltage regulator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE518075A (de) * 1952-02-28
FR1122469A (fr) * 1955-03-04 1956-09-07 Alsthom Cgee Mode de protection des impédances de transition des commutateurs électriques de réglage en charge
DE1181318B (de) * 1963-12-21 1964-11-12 Siemens Ag Schutzeinrichtung fuer Stufenwaehler von Regeltransformatoren
US3411038A (en) * 1966-07-22 1968-11-12 Gen Electric Vacuum-type circuit interrupter
FR1533115A (fr) * 1966-08-02 1968-07-12 Westinghouse Electric Corp Dispositifs de commutation de prises en charge
US3436646A (en) * 1966-08-02 1969-04-01 Westinghouse Electric Corp Load tap changer systems including protective apparatus for monitoring the operation of the transfer switches

Also Published As

Publication number Publication date
DE2117162A1 (de) 1971-10-28
JPS465024A (de) 1971-11-24
SE367729B (de) 1974-06-04
US3622867A (en) 1971-11-23
CA926939A (en) 1973-05-22
CH539327A (de) 1973-07-15
GB1340356A (en) 1973-12-12
FR2086116B1 (de) 1976-03-19
ES389881A1 (es) 1974-03-16
BE765783A (fr) 1971-10-15
JPS531454B1 (de) 1978-01-19
FR2086116A1 (de) 1971-12-31

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