EP0475247B1 - Betätigungsvorrichtung für Schalter - Google Patents

Betätigungsvorrichtung für Schalter Download PDF

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Publication number
EP0475247B1
EP0475247B1 EP91114835A EP91114835A EP0475247B1 EP 0475247 B1 EP0475247 B1 EP 0475247B1 EP 91114835 A EP91114835 A EP 91114835A EP 91114835 A EP91114835 A EP 91114835A EP 0475247 B1 EP0475247 B1 EP 0475247B1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
motor
shaft
arm
fixed
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 - Lifetime
Application number
EP91114835A
Other languages
English (en)
French (fr)
Other versions
EP0475247A1 (de
Inventor
Edmond Thuries
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.)
Alstom Holdings SA
Original Assignee
GEC Alsthom SA
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 GEC Alsthom SA filed Critical GEC Alsthom SA
Publication of EP0475247A1 publication Critical patent/EP0475247A1/de
Application granted granted Critical
Publication of EP0475247B1 publication Critical patent/EP0475247B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/40—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H2003/3094—Power arrangements internal to the switch for operating the driving mechanism using spring motor allowing an opening - closing - opening [OCO] sequence

Definitions

  • the present invention relates to a control for a circuit breaker, in particular for a medium or high voltage circuit breaker and making it possible to perform standardized opening and closing cycles.
  • An object of the present invention is to provide a circuit breaker control, of the electromechanical type, comprising a small number of mechanical parts and, consequently, of low cost price and inexpensive maintenance.
  • the object is achieved by a circuit breaker according to claim.
  • the references 10, 20 and 30 respectively designate ceramic insulating columns supporting the breaking chambers of a three-pole circuit breaker. These chambers are operated by rods, respectively referenced 11, 21 and 31, connected by connecting rods 12, 22, 32 to a common operating shaft 40. This shaft 40 is set in motion by the control of the invention, visible more in detail in Figure 2.
  • the control of the invention comprises a DC motor 50, the shaft 51 of which is coaxial with the aforementioned shaft 40 and integral with the latter. On the shaft 51 is wedged an arm 52 at one end of which is fixed a first end of a spring 53 the other end of which is attached to a fixed point 54.
  • the arm can take a first position, in which the spring 53 is banded, and corresponding to an engaged position of the circuit breaker.
  • the arm is held in this first position by a retractable stop 55, for example by means of an electromagnet 56 controlled by a programmed electronic circuit 57.
  • the electronic circuit is supplied by an electric accumulator 58. This accumulator also supplies, at through the electronic circuit 57, the DC motor 50.
  • the electronic circuit When it is desired to close the circuit breaker, the electronic circuit supplies the motor 50 which rotates the shaft 51 and the arm 53 in the direction of the arrow F2 in broken lines. This operation causes the spring 53 to be reset and the circuit breaker to close again.
  • a direct current motor for example with series excitation, has a high starting torque so that it is possible to reset the spring and close the circuit breaker in a time compatible with that fixed by the standardized OFO cycles.
  • the electronic circuit is programmed to supply the electric motor for the time just necessary to close the circuit breaker and reset the spring and to dampen movement at the end of the stroke. If a second opening is requested, it will proceed as the first.
  • the implementation of the invention requires the use of a 24 or 48 volt accumulator battery, of a capacity that a person skilled in the art will be able to calculate according to the type of circuit breaker to be controlled and the nature of the cycles to be performed.
  • the order of the invention comprises a reduced number of mechanical parts and consequently, a moderate cost price and a low maintenance cost.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switches With Compound Operations (AREA)
  • Keying Circuit Devices (AREA)
  • Push-Button Switches (AREA)
  • Vehicle Body Suspensions (AREA)
  • Lock And Its Accessories (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Protection Of Generators And Motors (AREA)
  • Breakers (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Claims (1)

  1. Steuerung für einen Mittelspannungs- oder Hochspannungs-Trennschalter mit mehreren Polen, die je eine Betätigungsstange aufweisen, wobei die Steuerung einen Motor (50) und eine von diesem Motor (50) angetriebene Welle (40) besitzt, die die Bewegung der Betätigungsstangen der Pole steuert, wobei die Welle mit einem zentralen Bereich eines Arms (52) fest verbunden ist, an dessen einem Ende ein erstes Ende einer Öfnungsfeder (53) befestigt ist, deren anderes Ende an einem ortsfesten Punkt befestigt ist, wobei die Welle (40) eine erste Stellung, in der die Feder gespannt ist und die Pole des Trennschalters geschlossen sind, und eine zweite Stellung einnehmen kann, in der die Feder entspannt ist und die Pole geöffnet sind, wobei das zweite Ende des Arms mit einem verschiebbaren Anschlag (55) zusammenwirkt, der eine erste Stellung, in der er den Arm in der ersten Stellung hält, und eine zweite Stellung einnehmen kann, in der er den Arm freigibt, wobei der Anschlag mittels eines elektromagnetischen Betätigungsglieds (56) verschiebbar ist, dadurch gekennzeichnet, daß die diese Bewegung der Betätigungsstangen steuernde Welle (40) fest mit der Welle des Motors (50) verbunden ist und daß der Motor (50) ein Gleichstrommotor ist, der von einer Batterie (58) gespeist wird, wobei die Speisung des Motors und des Betätigungsglieds unter der Kontrolle eines Elektronikschaltkreises (57) steht, der so programmiert ist, daß er einen gegebenen Zyklus von aufeinanderfolgenden Öffnungen und Schließungen des Trennschalters durchführt.
EP91114835A 1990-09-10 1991-09-03 Betätigungsvorrichtung für Schalter Expired - Lifetime EP0475247B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9011179 1990-09-10
FR9011179A FR2666684B1 (fr) 1990-09-10 1990-09-10 Commande de disjoncteur.

Publications (2)

Publication Number Publication Date
EP0475247A1 EP0475247A1 (de) 1992-03-18
EP0475247B1 true EP0475247B1 (de) 1995-06-28

Family

ID=9400196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91114835A Expired - Lifetime EP0475247B1 (de) 1990-09-10 1991-09-03 Betätigungsvorrichtung für Schalter

Country Status (7)

Country Link
US (1) US5151567A (de)
EP (1) EP0475247B1 (de)
AT (1) ATE124567T1 (de)
DE (1) DE69110805T2 (de)
DK (1) DK0475247T3 (de)
ES (1) ES2073629T3 (de)
FR (1) FR2666684B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1301872B1 (it) * 1998-07-24 2000-07-07 Abb Adda S P A Dispositivo di comando e controllo di interruttori di alta e mediatensione
US7151353B2 (en) 2000-09-18 2006-12-19 Abb Ab Switching device
JP3861832B2 (ja) * 2003-03-11 2006-12-27 株式会社日立製作所 開閉器
WO2005034156A1 (de) 2003-09-13 2005-04-14 Abb Technology Ag Vorrichtung zur betätigung eines elektrischen schaltgerätes
FR2865572B1 (fr) * 2004-01-23 2006-05-26 Alstom T & D Sa Dispositif de commande de dispositif de coupure d'energie electrique
US7211750B2 (en) * 2004-12-22 2007-05-01 Square D Company Switching mechanism with shock absorber
EP1744338B1 (de) * 2005-07-13 2010-03-31 Siemens Aktiengesellschaft Antriebsmechanismus und Schaltverfahren für ein Schaltgerät
FR2895140B1 (fr) * 2005-12-20 2008-01-18 Areva T & D Sa Dispositif de commande d'un appareillage electrique
US10242824B2 (en) 2013-06-17 2019-03-26 Thomas & Betts International Llc Lockout device for switchgear
DE102016208274A1 (de) * 2016-05-13 2017-11-16 Siemens Aktiengesellschaft Kopplungsglied für ein elektrisches Schaltgerät
EP4177925A4 (de) * 2020-07-06 2023-09-27 Mitsubishi Electric Corporation Schalter, gasisolierte schaltanlage und schaltersteuerungsverfahren

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966573C (de) * 1950-08-08 1957-08-22 Voigt & Haeffner Ag Druckluftantrieb fuer elektrische Leistungsschalter
FR2589001A1 (fr) * 1985-10-23 1987-04-24 Alsthom Dispositif de manoeuvre d'un disjoncteur et disjoncteur muni de ce dispositif
FR2640424A1 (fr) * 1988-12-09 1990-06-15 Alsthom Gec Commande de disjoncteur

Also Published As

Publication number Publication date
FR2666684A1 (fr) 1992-03-13
FR2666684B1 (fr) 1996-08-23
DK0475247T3 (da) 1995-10-02
ATE124567T1 (de) 1995-07-15
ES2073629T3 (es) 1995-08-16
DE69110805D1 (de) 1995-08-03
DE69110805T2 (de) 1995-11-16
EP0475247A1 (de) 1992-03-18
US5151567A (en) 1992-09-29

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