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SE9904165L - Transfer Switch - Google Patents

Transfer Switch

Info

Publication number
SE9904165L
SE9904165L SE9904165A SE9904165A SE9904165L SE 9904165 L SE9904165 L SE 9904165L SE 9904165 A SE9904165 A SE 9904165A SE 9904165 A SE9904165 A SE 9904165A SE 9904165 L SE9904165 L SE 9904165L
Authority
SE
Sweden
Prior art keywords
alternating current
load
switching devices
supply
current path
Prior art date
Application number
SE9904165A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE518664C2 (en
SE9904165D0 (en
Inventor
Falah Al-Hosini
Magnus Backman
Lars Jonsson
Per Larsson
Lars Liljestrand
Harry Frank
Original Assignee
Abb 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 Abb Ab filed Critical Abb Ab
Priority to SE9904165A priority Critical patent/SE518664C2/en
Publication of SE9904165D0 publication Critical patent/SE9904165D0/en
Priority to PCT/SE2000/002274 priority patent/WO2001037299A1/en
Priority to AU15667/01A priority patent/AU1566701A/en
Priority to EP00978182A priority patent/EP1230658A1/en
Publication of SE9904165L publication Critical patent/SE9904165L/en
Publication of SE518664C2 publication Critical patent/SE518664C2/en

Links

Classifications

    • 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
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/541—Contacts shunted by semiconductor devices

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

In a transfer switch for alternating current two electric switching devices of hybrid type are adapted to establish and break, respectively, a current path between a load and an alternating current supply each for transferring the supply of the load with electric power from one alternating current supply (5) to the other (6). The switching devices have components (15-18) blocking in at least one direction for establishing a temporary current path therethrough when breaking the current path through the switching device and enabling an arc-free completion of the breaking. A control unit (20) is adapted to control a movable part (4) to carry out one single mechanical movement for opening one of the switching devices and closing the other for changing the alternating current supply to the load.
SE9904165A 1999-11-18 1999-11-18 Transfer switch, use of such a transfer switch, facility comprising a plurality of transfer switches, switchgear and method for transmitting a feed of a load SE518664C2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9904165A SE518664C2 (en) 1999-11-18 1999-11-18 Transfer switch, use of such a transfer switch, facility comprising a plurality of transfer switches, switchgear and method for transmitting a feed of a load
PCT/SE2000/002274 WO2001037299A1 (en) 1999-11-18 2000-11-20 A transfer switch
AU15667/01A AU1566701A (en) 1999-11-18 2000-11-20 A transfer switch
EP00978182A EP1230658A1 (en) 1999-11-18 2000-11-20 A transfer switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9904165A SE518664C2 (en) 1999-11-18 1999-11-18 Transfer switch, use of such a transfer switch, facility comprising a plurality of transfer switches, switchgear and method for transmitting a feed of a load

Publications (3)

Publication Number Publication Date
SE9904165D0 SE9904165D0 (en) 1999-11-18
SE9904165L true SE9904165L (en) 2001-05-19
SE518664C2 SE518664C2 (en) 2002-11-05

Family

ID=20417756

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9904165A SE518664C2 (en) 1999-11-18 1999-11-18 Transfer switch, use of such a transfer switch, facility comprising a plurality of transfer switches, switchgear and method for transmitting a feed of a load

Country Status (4)

Country Link
EP (1) EP1230658A1 (en)
AU (1) AU1566701A (en)
SE (1) SE518664C2 (en)
WO (1) WO2001037299A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7755872B2 (en) 2006-09-14 2010-07-13 Schweitzer Engineering Laboratories, Inc. System, method and device to preserve protection communication active during a bypass operation
ATE497244T1 (en) 2007-02-02 2011-02-15 Abb Research Ltd SWITCHING DEVICE, USE THEREOF AND METHOD FOR SWITCHING
CA2835458C (en) 2011-05-10 2015-09-29 Abb Research Ltd A method in a controller controlling a dynamic compensator, a controller, computer programs and computer program products
DK3116007T3 (en) * 2015-07-07 2018-12-17 Abb Schweiz Ag A SWITCH DEVICE

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3388295A (en) * 1964-08-20 1968-06-11 Hubbell Inc Harvey Current interrupter
US3395316A (en) * 1966-02-17 1968-07-30 Allen Bradley Co Electric switch with contact protector
CH457582A (en) * 1967-02-21 1968-06-15 Sprecher & Schuh Ag Vacuum switching device with two working contacts for interrupting alternating current
FR2097618A5 (en) * 1970-07-15 1972-03-03 Merlin Gerin
DE2209500A1 (en) * 1972-02-29 1973-09-06 Transformatoren Union Ag CIRCUIT ARRANGEMENT FOR UNINTERRUPTED LOAD SWITCHING IN STEPPED TRANSFORMERS
US4754360A (en) * 1985-05-07 1988-06-28 Nipponkouatsudenki Kabushikikaisha Arc extinguishing apparatus having sensing of initial arc

Also Published As

Publication number Publication date
EP1230658A1 (en) 2002-08-14
SE518664C2 (en) 2002-11-05
SE9904165D0 (en) 1999-11-18
AU1566701A (en) 2001-05-30
WO2001037299A1 (en) 2001-05-25

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Legal Events

Date Code Title Description
NUG Patent has lapsed