EP0801406B1 - Commande à ressorts rectilignes pour disjoncteur à haute tension - Google Patents

Commande à ressorts rectilignes pour disjoncteur à haute tension Download PDF

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Publication number
EP0801406B1
EP0801406B1 EP97400734A EP97400734A EP0801406B1 EP 0801406 B1 EP0801406 B1 EP 0801406B1 EP 97400734 A EP97400734 A EP 97400734A EP 97400734 A EP97400734 A EP 97400734A EP 0801406 B1 EP0801406 B1 EP 0801406B1
Authority
EP
European Patent Office
Prior art keywords
spring
operating mechanism
ring
mechanism according
arms
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
EP97400734A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0801406A1 (fr
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.)
Grid Solutions SAS
Original Assignee
GEC Alsthom T&D 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 T&D SA filed Critical GEC Alsthom T&D SA
Publication of EP0801406A1 publication Critical patent/EP0801406A1/fr
Application granted granted Critical
Publication of EP0801406B1 publication Critical patent/EP0801406B1/fr
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
    • 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
    • H01H3/3005—Charging means
    • H01H3/3026—Charging means in which the closing spring charges the opening spring or vice versa
    • 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
    • H01H2003/3063—Decoupling charging handle or motor at end of charging cycle or during charged condition
    • 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
    • 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
    • H01H3/264—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor using a travelling nut mechanism
    • 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
    • H01H3/3052—Linear spring motors

Definitions

  • the present invention relates to an order for the operation of a high voltage circuit breaker.
  • the invention relates to an order comprising rectilinear springs and allowing perform the opening and closing cycles usually requested by users.
  • the most commonly requested cycle is a cycle comprising an opening, a closing after 0.3 seconds followed by an opening within 0.02s if the fault has not disappeared.
  • Such a cycle is generally designated by the abbreviation: O-0.3sF-0.02s0.
  • This command has several drawbacks.
  • the spring reset device is complex; it includes many parts and in particular a ratchet wheel which is subject to rapid wear and requires frequent replacement.
  • An object of the invention is to carry out an order more robust and requiring lighter maintenance.
  • the device for resetting the control described in the aforementioned patent is bulky.
  • Another object of the invention is to provide a more compact control and more symmetrical axial, which allows it to be housed under the poles of the circuit breaker.
  • the subject of the invention is an order for a circuit breaker, for rapid cycling opening, closing and reopening of the circuit breaker (cycle O-F-O), said command comprising a rod connected to a circuit-breaker operating rod, said rod being movable under the action of a first spring, called spring trigger, the control further comprising a second spring, said interlocking spring, arranged in the axis of the first spring, and whose relaxation causes compression the trigger spring, the control further comprising means for compressing the trigger spring after a triggering operation, characterized in that said compression means comprise a motor arranged on the axis of said springs and causing in translation the along its axis a rod arranged along the axis of the springs, said rod being integral with arms cooperating with a support ring for the engagement spring.
  • the support ring of the spring is secured to a movable cylinder, one of which end cooperates with a support disc of the spring triggering during compression of said spring trigger.
  • said end of the movable cylinder includes a ring of pivoting fingers fitted with a shoulder on which said disc rests support of the trigger spring during compression of the latter, said fingers coming into contact at the end of stroke of said cylinder with a fixed and deviating cylinder, releasing said disc.
  • the stroke of said movable cylinder exceeds the normal position in abutment of said support disc of the trigger spring, to allow the repositioning of stops of the spring support bearing disc trigger.
  • the pivoting arms include a passage device neutral to allow the finger crown to take two fixed positions.
  • each finger has an outer portion cooperating with a fixed cylinder to allow, at the end of recompression maneuver of the engagement spring, the passage of the crown of pivoting fingers from the position blossoming in the reverse position.
  • the example described concerns a one-chamber circuit breaker pole break; of course the order of the invention applies to a circuit breaker comprising several pole break, for example two T-shaped chambers.
  • reference 1 designates a column insulator of a circuit breaker pole. The column rests on a chassis 2 fixed to the ground.
  • a fixed contact 3 is placed in the breaking chamber 4 filled with insulating gas such as hexafluoride sulfur SF6.
  • Chamber 4 is delimited, at its lower part, by a first flange 5 to which a first socket is fixed of current 5A, and, at its lower part, by a second flange 7 to which a second outlet 7A is fixed.
  • the reference 8 designates a fixed blow piston.
  • the movable assembly includes contacts 9 and a nozzle 10 integral with a cylinder 11 cooperating with the piston 8.
  • the cylinder is connected to an operating rod 12 which passes through sealingly the flange 7.
  • This rod 12 is connected to a rod 13 forming part of the command which has been represented in FIG. 1 by the rectangle 14.
  • the control is fixed to the chassis 2 by means that are not represented; it is placed directly under the pole at maneuver.
  • FIG. 2 represents in axial section, a control according to the invention, in the configuration corresponding to the circuit breaker tripped in normal running.
  • the order includes a metal frame 20, of preferably cylindrical with axis xx, which is rigidly fixed under the breaking chamber of the circuit breaker by means not represented.
  • a bottom 20A closes the cylinder 20.
  • the top of the frame comprises a cover 21 provided with an orifice through which passes the operating rod 12 of the circuit breaker pole; at the rod 12 is connected a rod 13 provided at its end a disc 24 serving to support a first spring 25, coaxial with the rod 13, and intended for the operation of tripping of the circuit breaker; for this reason, the spring 25 is called trigger spring.
  • Spring 25 is surrounded by a cylinder 26, coaxial with the rod 13 and of height substantially equal to that of the spring 25 when the latter is bandaged. The role of this cylinder will be explained later.
  • the spring is held in place by at least one stop retractable 27 can be operated by a coil opening 28 powered by devices not shown for operating and / or protecting the circuit breaker. There may have several stops operated simultaneously, but in below, for the sake of clarity, reference will not be made only one stop.
  • the control includes a mobile assembly comprising a cylinder 30 of axis xx secured to a disc 31 against which supports a first end of a second spring 32 used to break the circuit breaker and called for this reason emerges from engagement.
  • the second end of the spring 32 is supported on a bottom 33 of the frame 20.
  • the spring 32 is held in place by at least one retractable stop 34 which can be operated by a coil closing device 35 powered by the operating devices and / or circuit breaker protection not shown.
  • the cylinder 30 is extended by a series of fingers 36 pivoting, forming a corolla and being able to open from the same way. These fingers, used to reset the spring trigger are called in the following fingers reset.
  • Each finger 36 has approximately one third of the length from the upper end, one shoulder attachment 37 directed towards the axis xx.
  • Each finger 36, articulated at point O at the end of cylinder 30, is equipped a spring 38 fixed by a first end to the finger itself and by its second end, to cylinder 30.
  • This spring constitutes a neutral passage device or "tumbler", allowing finger 36 to occupy two positions fixed on either side of the axis O of articulation of the finger.
  • the external part 39 of the finger base cooperates with a fixed jacket 30A coaxial with cylinder 30 to bring the fingers from the open position to the reverse position, when the cylinder 30 reaches the low position.
  • the spring 32 When the spring 32 is relaxed, it can be bandaged again by a device comprising arms 40, parallel to the axis xx, arranged regularly around this axis, 2 or 3 for example.
  • the arms cross the bottom 33 by suitable openings.
  • arms At their end upper, arms are joined by a crown horizontal 41.
  • the arms 40 are fixed to a plate 42 (as a variant of the arms), to which is fixed the end of a threaded rod 43, of axis xx, capable of be moved in translation along the xx axis using an electric motor 44, which can rotate in both meaning.
  • the motor 44 and the rod 43 are housed in a housing cylindrical 45 secured to the bottom 33 and closed by a plate 46 provided with a hole 46 for the passage of the rod 43.
  • the cylinder 45 also serves as a guide for cylinder 30.
  • the reel 28 When an opening order is given, the reel 28 is powered and causes the retraction of the stop 27 which pivots in the direction of arrow F1.
  • the spring trigger 25 relaxes, causing the rod circuit breaker operation (Fig. 5).
  • the plate 24 rests on the shoulders of the fingers 36.
  • a closing order given 0.3s after opening of the circuit breaker, results in the supply of the coil closure 35, which causes the retraction of the stop 34 which rotates in the direction of arrow F2.
  • the spring 32 relaxes, which causes the displacement of the cylinder 30.
  • the fingers 36 drive the disc 24, which causes the circuit breaker to engage as well as the compression of the trigger spring 25.
  • the normal position of disc 24 is exceeded by a few millimeters, which allows the stopper 27 to recover square.
  • fingers 36 move apart (Fig. 4), freeing the disc 24 which falls back on its stop 27. Thanks to the spring 38, the fingers 36 remain in the open position.
  • the control has the configuration shown in Fig. 6. We observe that at the end of the maneuver engagement, the crown 31 comes into contact with the crown 41.
  • Spring 32 has a force greater than that of spring 25 to ensure both movement of the mobile assembly and the compression of the spring 25.
  • a second opening in case of persistence of the default, can be performed. It will be obtained as previously by supplying the opening coil 28 which will result in the retraction of the stop 27 and the relaxation of the spring 25.
  • the circuit breaker must be able to be reset within a given time, e.g. 10 seconds.
  • the control of the invention allows it: from the end of the second opening of the circuit breaker, the motor 44 is started; it rotates the threaded rod 43 which drives the disc 42 and the arms 40.
  • the crown 41 drives the crown 31 and the cylinder 30 of which it is united.
  • the spring 32 is compressed by this operation.
  • a slight overtravel of the rod 43 to allow the stopper to reposition on the crown 31.
  • the motor 44 is stopped and at this time the configuration is that of FIG. 8.
  • the engine is immediately started, in the opposite direction to that that he had previously, to bring the order back to the configuration of Fig. 2, i.e. with the crown 41 in the high position.
  • the duration of 10 seconds to perform this maneuver is long enough to authorize the use of a low power motor, for example around 150 W.
  • the invention avoids the disadvantages mentioned in the preamble, in particular the difficulties created by ratchet wheels.
  • the control is compact and perfectly of revolution, which gives it a small footprint.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Fuses (AREA)
  • Circuit Breakers (AREA)
  • Keying Circuit Devices (AREA)
EP97400734A 1996-04-10 1997-04-01 Commande à ressorts rectilignes pour disjoncteur à haute tension Expired - Lifetime EP0801406B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604451A FR2747502B1 (fr) 1996-04-10 1996-04-10 Commande a ressorts rectilignes pour disjoncteur a haute tension
FR9604451 1996-04-10

Publications (2)

Publication Number Publication Date
EP0801406A1 EP0801406A1 (fr) 1997-10-15
EP0801406B1 true EP0801406B1 (fr) 2001-12-19

Family

ID=9491055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97400734A Expired - Lifetime EP0801406B1 (fr) 1996-04-10 1997-04-01 Commande à ressorts rectilignes pour disjoncteur à haute tension

Country Status (9)

Country Link
US (1) US5756952A (es)
EP (1) EP0801406B1 (es)
CN (1) CN1059049C (es)
AT (1) ATE211298T1 (es)
CA (1) CA2202294C (es)
DE (1) DE69709219T2 (es)
ES (1) ES2167689T3 (es)
FR (1) FR2747502B1 (es)
ID (1) ID16599A (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2746540B1 (fr) * 1996-03-22 1998-04-24 Gec Alsthom T & D Sa Commande pour disjoncteur a haute tension
FR2778492B1 (fr) * 1998-05-11 2000-06-23 Alsthom Gec Commande a ressorts pour interrupteur de circuits
FR2779565A1 (fr) * 1998-06-08 1999-12-10 Alsthom Gec Perfectionnement a une commande a ressorts rectilignes pour disjoncteur a haute tension
FR2793945B1 (fr) * 1999-05-17 2001-06-22 Alstom Sectionneur haute tension a contact mobile deplace a grande vitesse
US6927355B2 (en) * 2000-08-28 2005-08-09 Abb Ab Circuit breaker
FR2836277B1 (fr) 2002-02-19 2004-04-16 Alstom Mecanisme de commande a ressorts pour disjoncteur a mouvement rectiligne
FR2907596B1 (fr) * 2006-10-18 2009-01-23 Areva T & D Sa Dispositif de commande d'un appareillage electrique
US9281666B2 (en) * 2012-04-28 2016-03-08 Schneider Electric Industries Sas Subsea electrical distribution system having redundant circuit breaker control and method for providing same
DE102020132224A1 (de) * 2020-12-03 2022-06-09 Eto Magnetic Gmbh Schnellschaltende Aktorvorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1166326B (de) * 1954-12-24 1964-03-26 Westinghouse Electric Corp Elektrischer Schalter
US4162385A (en) * 1976-09-30 1979-07-24 Westinghouse Electric Corp. Dual spring circuit interrupter apparatus
US4414449A (en) * 1981-05-26 1983-11-08 Brown Boveri Electric Inc. Quick open and close disconnect switch
CH660256A5 (de) * 1983-01-25 1987-03-31 Sprecher Energie Ag Antriebsanordnung fuer einen hochspannungsschalter.
FR2589001A1 (fr) * 1985-10-23 1987-04-24 Alsthom Dispositif de manoeuvre d'un disjoncteur et disjoncteur muni de ce dispositif
FR2714522B1 (fr) * 1993-12-27 1996-02-02 Gec Alsthom T & D Sa Dispositif de commande linéaire pour disjoncteur.
US5508487A (en) * 1994-03-30 1996-04-16 Abb Power T&D Company Inc. High voltage circuit interrupting device operating mechanism including trip latch assembly

Also Published As

Publication number Publication date
DE69709219D1 (de) 2002-01-31
ES2167689T3 (es) 2002-05-16
ATE211298T1 (de) 2002-01-15
FR2747502B1 (fr) 1998-05-15
CN1059049C (zh) 2000-11-29
ID16599A (id) 1997-10-16
US5756952A (en) 1998-05-26
FR2747502A1 (fr) 1997-10-17
MX9702519A (es) 1998-06-30
DE69709219T2 (de) 2002-08-08
CA2202294C (fr) 2001-06-05
CA2202294A1 (fr) 1997-10-10
EP0801406A1 (fr) 1997-10-15
CN1168532A (zh) 1997-12-24

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