EP0475247B1 - Commande de disjoncteur - Google Patents
Commande de disjoncteur Download PDFInfo
- 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
Links
Images
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)
- Vehicle Body Suspensions (AREA)
- Push-Button Switches (AREA)
- Breakers (AREA)
- Protection Of Generators And Motors (AREA)
- Electrophonic Musical Instruments (AREA)
- Lock And Its Accessories (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9011179A FR2666684B1 (fr) | 1990-09-10 | 1990-09-10 | Commande de disjoncteur. |
FR9011179 | 1990-09-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0475247A1 EP0475247A1 (fr) | 1992-03-18 |
EP0475247B1 true EP0475247B1 (fr) | 1995-06-28 |
Family
ID=9400196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91114835A Expired - Lifetime EP0475247B1 (fr) | 1990-09-10 | 1991-09-03 | Commande de disjoncteur |
Country Status (7)
Country | Link |
---|---|
US (1) | US5151567A (da) |
EP (1) | EP0475247B1 (da) |
AT (1) | ATE124567T1 (da) |
DE (1) | DE69110805T2 (da) |
DK (1) | DK0475247T3 (da) |
ES (1) | ES2073629T3 (da) |
FR (1) | FR2666684B1 (da) |
Families Citing this family (11)
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 |
DE50307589D1 (de) | 2003-09-13 | 2007-08-09 | 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 |
DE602005020268D1 (de) * | 2005-07-13 | 2010-05-12 | Siemens Ag | 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 (en) * | 2020-07-06 | 2023-09-27 | Mitsubishi Electric Corporation | SWITCH, GAS-INSULATED SWITCHGEAR, AND SWITCH CONTROL METHOD |
Family Cites Families (3)
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 |
-
1990
- 1990-09-10 FR FR9011179A patent/FR2666684B1/fr not_active Expired - Fee Related
-
1991
- 1991-09-03 DK DK91114835.1T patent/DK0475247T3/da active
- 1991-09-03 EP EP91114835A patent/EP0475247B1/fr not_active Expired - Lifetime
- 1991-09-03 AT AT91114835T patent/ATE124567T1/de not_active IP Right Cessation
- 1991-09-03 DE DE69110805T patent/DE69110805T2/de not_active Expired - Fee Related
- 1991-09-03 ES ES91114835T patent/ES2073629T3/es not_active Expired - Lifetime
- 1991-09-10 US US07/757,373 patent/US5151567A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69110805T2 (de) | 1995-11-16 |
DK0475247T3 (da) | 1995-10-02 |
FR2666684A1 (fr) | 1992-03-13 |
ES2073629T3 (es) | 1995-08-16 |
DE69110805D1 (de) | 1995-08-03 |
FR2666684B1 (fr) | 1996-08-23 |
ATE124567T1 (de) | 1995-07-15 |
US5151567A (en) | 1992-09-29 |
EP0475247A1 (fr) | 1992-03-18 |
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