EP1583124A1 - Hybrider Hochspannungsschutzschalter - Google Patents

Hybrider Hochspannungsschutzschalter Download PDF

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Publication number
EP1583124A1
EP1583124A1 EP05102320A EP05102320A EP1583124A1 EP 1583124 A1 EP1583124 A1 EP 1583124A1 EP 05102320 A EP05102320 A EP 05102320A EP 05102320 A EP05102320 A EP 05102320A EP 1583124 A1 EP1583124 A1 EP 1583124A1
Authority
EP
European Patent Office
Prior art keywords
contact
circuit breaker
arrangement
chamber
breaker according
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.)
Granted
Application number
EP05102320A
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English (en)
French (fr)
Other versions
EP1583124B1 (de
Inventor
Michel Perret
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
Areva T&D SAS
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 Areva T&D SAS filed Critical Areva T&D SAS
Publication of EP1583124A1 publication Critical patent/EP1583124A1/de
Application granted granted Critical
Publication of EP1583124B1 publication Critical patent/EP1583124B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • H01H33/143—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc of different construction or type
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches

Definitions

  • the present invention relates to a circuit breaker hybrid high voltage.
  • Such a hybrid circuit breaker comprises for each pole a dielectric gas break chamber, by SF6 under pressure, whose fixed contact is connected to a first terminal of the network and connected in series with a switch supporting the dU / dt of the transient recovery voltage and whose fixed contact is connected to a second terminal of the network.
  • This switch is often a vacuum bulb.
  • the contact moving of the break chamber being extended by a longitudinal arrangement of drive on which is disposed in permanent contact an element connected to the mobile contact of the vacuum bulb, the single command soliciting the moving contact of the breaking chamber in translation along the first axis and the length and the shape of the drive arrangement ensuring a synchronization between the movements of the contacts movable from a closed position to an open position mobile contacts and vice versa.
  • the invention proposes a hybrid circuit breaker comprising for each pole a dielectric gas breaking chamber comprising a first contact and a second movable contact arranged longitudinally to a first axis and whose first contact is connected to a first terminal of the network, this interrupting chamber being connected in series with a Vacuum bulb having a fixed contact and a contact movable longitudinally to a second axis and whose fixed contact is connected to a second terminal of the network, actuating means ensuring by a single command moving between a position opening and closing position of said mobile contacts, characterized in that said means of actuation comprise an arrangement of closing the mobile contact of the vacuum interrupter, ensuring this reclosing by said single command before the open position of the moving contact of said breaking chamber.
  • An important feature of the invention is that this reclosing of the vacuum bulb is carried out by the same single command as the opening and the closure of the contacts thus allowing an arrangement particularly light control. This results in a limited number of pieces and a cost and a time of lower mount.
  • said actuating means comprise an arrangement of moving the movable contact of said chamber of cut over a distance greater than the distance between the contacts of the breaking chamber in position opening.
  • the chamber contacts are spaced apart from one another distance greater than that required for the function breaker and the break chamber can fill after this opening position a disconnector function.
  • the hybrid circuit breaker comprises an arrangement for the ground of the second terminal operated by said single order.
  • This other characteristic of the invention further increases the ease of control, automatic and synchronized, hybrid circuit breaker.
  • the grounding arrangement is an element under separate envelope and provided with a specific order.
  • the circuit breaker according to the invention is optimized as for the materials used and therefore the cost.
  • said two axes are substantially perpendicular
  • said moving contact of the chamber of cut is extended by a longitudinal arrangement on which a connected element is arranged to the moving contact of the vacuum interrupter and said single command requests said mobile contact from the cutting chamber in translation according to said first axis, the length and shape of the said arrangement of training ensuring synchronization between displacements of said moving contacts.
  • said arrangement longitudinal drive is formed by a slide having two parallel running surfaces between they, said element connected to the moving contact of the vacuum interrupter being disposed in said slide and permanently in contact with either of the two rolling surfaces.
  • said arrangement longitudinal drive is formed by a cam, said element connected to the moving contact of the light bulb empty being able to press against the surface of rolling of said cam on the opposite side to that of the bulb when activating the command of means for actuating the hybrid circuit breaker.
  • said slide or said cam comprises a first parallel section to the first axis arranged on the side of said extended control on the moving contact side of the cutting chamber by a second inclined section in the opposite direction to the moving contact of the vacuum bulb itself extended by a third parallel section to the first axis of the contact side moving of the breaking chamber, this last section being extended by a fourth section inclined towards the mobile contact of the vacuum bulb itself extended by a fifth section parallel to the first axis of the side of the moving contact of the breaking chamber.
  • Said fifth section provides the function of closing the vacuum bulb.
  • said fifth section is longer than the distance between the contacts of the breaking chamber at the end of the open position.
  • said arrangement of grounding is driven by a connecting rod of which a solidarity element is arranged in said slide or on the running surface of said cam, the translation of this rod during the passage of this solidarity element in the second section ensuring the displacement of a connected contact electrically to said vacuum bulb in an organ contact grounded.
  • said grounding arrangement consists of a contact arranged at the end of the slot arrangement longitudinal side of the order and coming into a contact member connected to the earth at the end of the race opening of the movable contact of the interrupting chamber.
  • a mechanical spring arrangement closing pressure is arranged substantially according to the second axis.
  • Said spring of said pressure arrangement closing is advantageously arranged outside a housing which encloses said longitudinal arrangement drive.
  • the circuit breaker according to the invention is in a metal casing grounding.
  • Said contact member connected to the earth can be a tulip contact mounted on said envelope.
  • Figures 1 to 4 are sectional views length of a hybrid circuit breaker in an envelope metal grounded said shielded, according to a first embodiment of the invention, according to different positions during an opening command.
  • Figure 5 is a longitudinal sectional view a metal-enclosed hybrid circuit breaker the so-called armored earth, according to a second mode of embodiment of the invention, in the closed position.
  • Figure 6 is a partial sectional view length of a hybrid circuit breaker in an envelope metal grounded said shielded, according to a third embodiment of the invention, in closed position.
  • Figures 7 and 8 are partial views of longitudinal section of a hybrid circuit breaker under insulating envelope, according to this third mode of embodiment of the invention, according to different positions during an opening order.
  • a hybrid circuit breaker includes for each pole a dielectric gas cutoff chamber 1, by example of SF6 under pressure, including a contact fixed 1A and a movable contact 1B arranged longitudinally to a first axis AA ', seen horizontally according to the figures, and whose fixed contact 1A is connected to a first terminal of the network 3A.
  • This room 1 is connected in series with a light bulb vacuum 2 having a fixed contact 2A and a contact mobile 2B arranged longitudinally to a second axis BB ', vertical seen according to the figures, and whose contact fixed 2A is connected to a second terminal of the network 3B.
  • Actuating means ensure by a single command 4 moving between a position opening and closing position of the contacts mobiles 1B and 2B.
  • actuating means comprise a reclosing arrangement of the movable contact 2B of the vacuum bottle 2, ensuring this reclosing by the single command 4 before the open position of the movable contact of the breaking chamber 1.
  • They also include an arrangement of displacement of the moving contact 1B of the chamber of cut 1 over a distance greater than the distance between contacts 1A and 1B of the breaking chamber in end of opening position.
  • the hybrid circuit breaker further includes a automatic grounding arrangement actuated by the single order 4.
  • both axes AA 'and BB' are therefore substantially perpendicular and the moving contact 1B of the breaking chamber 1 is extended by a longitudinal arrangement of training said slide on which is disposed in contact permanent an element connected to the moving contact 2B of the vacuum bulb 2 and the single command 4 requests the moving contact 1B of the breaking chamber 1 in translation along the first axis AA ', the length and the shape of this training arrangement ensuring a synchronization between the movements of the contacts mobiles 1B and 2B.
  • FIG. 1 A first embodiment is described now with reference to Figures 1 to 4, representing a hybrid circuit breaker with metal casing C set the ground or armored.
  • the slide is here made by a groove 5 arranged on a part prolonging the moving contact 1B and connecting it to the control rod 4A and the element connected to the moving contact 2B of the light bulb empty 2 is a tenon or axis 6 perpendicular to the second BB 'axis which is engaged in this groove 5.
  • the groove 5 is shaped as following.
  • the bulb empty 2 To fulfill the function of opening the bulb empty 2 to a few ms offset from that of the breaking chamber 1, it comprises a first section 5A parallel to the first axis AA ', disposed on the side of the control 4 and extended on the side of the movable contact 1B of the breaking chamber 1 by a second section 5B inclined in the opposite direction to the moving contact 2B of the vacuum bulb 2 itself extended by a third section 5C parallel to the first axis AA 'of the side of the movable contact 2B of the breaking chamber 2.
  • this time shift of opening is the order of 3 ms.
  • this shift may have to be different value. Thanks to the actuating means according to the invention, it is easy to perform this adjusting and mounting a grooved element suitable for need.
  • the groove 5 is extended by one fourth section 5D inclined towards the moving contact 2B of the vacuum bulb 2 itself extended by a fifth section 5 E parallel to the first axis AA 'of side of the movable contact 1B of the breaking chamber 1.
  • this fifth section 5 E is length greater than the distance between the contacts 1A and 1B of the breaking chamber 1 according to circuit breaker and in open position.
  • an arrangement of grounding is driven by a connecting rod 7 one of which integral element, a tenon or axis 7A, is engaged in an extension of the first section 5A of the groove 5, the translation of this rod 7 during the passage of this solidarity element 7A in the second section 5B ensuring the displacement of a connected contact 8 electrically to the break chamber 1 in an organ contact 9 connected to the earth, here a tulip contact mounted on the C envelope.
  • this rod 7 is sliding vertically in a fixed housing 10 and is engaged its outer end to this housing 10 in a groove longitudinal axis of a second connecting rod 11 pivoting to its end on a fixed and horizontal axis 14 carried by the 10.
  • a tenon or integral axis of contact 8 which is mounted sliding vertically in the housing 10 with interposition of sliding electrical contacts.
  • a pressure arrangement 12 is interposed between the 2B mobile contact of the vacuum bulb 2 and the axis or tenon 6 connected to this contact 2B.
  • this arrangement is a mechanical spring arrangement 13.
  • This arrangement consists of an extension radial 12A of the movable contact 2B of the bulb 2 which can translate in a cylindrical opening of the housing 10 with the interposition of sliding contacts and which forms a housing for the mechanical spring 13 on the end of which comes into contact with a piston 12B annular whose translation travel is limited by abutment against a flange of the movable contact 2B.
  • This piston 12B carries the tenon or axis 6.
  • the spring 13 ensures a pressure between the contacts 2A and 2B of the bulb 2 in their position of closure.
  • the circuit breaker is in the closed position, contacts 1A and 1B of the breaking chamber 1 as well as those 2A and 2B of the vacuum bulb 2 being closed.
  • Axes 6 and 7A are in the first horizontal section 5A of the groove.
  • the grounding arrangement is in position inactive.
  • the opening cycle starts and the control rod 4A is pulled to the right.
  • the axis 6 of the vacuum bulb 2 goes down thanks to the second section 5B of the groove 5 ensuring the offset opening of the contacts 2A and 2B of this bulb.
  • opening contacts 1A and 1B of the chamber of cut 1 is completed with blowing of the bow, known way in itself.
  • the axis 7A of the connecting rod 7 of the earth is always in the first section 5A of the groove 5 and the setting arrangement earth is still inactive.
  • the axis 7A of the connecting rod 7 grounded went down through the second section 5B of the groove 5 and drive also down contact 8 via of the grooved rod 11 and at the end of the race the grounding arrangement is in the active position, the contact 8 electrically connected to the tulip contact 9 mounted on the envelope C.
  • FIG. 5 represents a second mode of embodiment comprising a variant embodiment of the automatic grounding arrangement.
  • the longitudinal arrangement of training or slide door at its end on the side of the control 4 a contact 8 'of longitudinal axis AA' and the distance between this contact 8 'and the envelope C which carries a contact 9 'connected to the ground, preferably of type tulip, is such that at the end of the displacement race longitudinal control rod 4A, in the position of disconnector operation, this contact 8 'comes into electrical contact with tulip contact 9 ' ensuring the grounding.
  • Figure 6 shows a third mode of embodiment of the invention, in the closed position, comprising another variant of training means.
  • the slide is here made by a connecting rod 5 ' arranged in extension of the moving contact 1B and connecting this one to the control rod 4A, and the connected element to the movable contact 2B of the vacuum interrupter 2 is a tenon or axis 6 'perpendicular to the second axis BB' and rolling against this slide rod 5 '.
  • the connecting rod 5 ' includes sections 5'A to 5'E similar to those already described for the first embodiment groove 5 and of identical function.
  • This axis 6 ' carries a bearing and is inserted between the face or the lower generatrix of the connecting rod 5 ' and a part 7 'connected to the movable contact 2B of the bulb 2.
  • This piece 7 ' is stirrup-shaped and is advantageously slidably maintained by a support 8 'carried by the casing 10.
  • Figures 7 and 8 partially represent a such circuit breaker during an opening cycle.
  • the circuit breaker is in the closed position, contacts 1A and 1B of the breaking chamber 1 as well as those 2A and 2B of the vacuum bulb 2 being closed.
  • the axis 6 ' is in contact on the first horizontal section 5'A of the 5 'slide rod.
  • the opening cycle starts and the control rod 4A is pulled to the right.
  • the axis 6 'of the bulb to empty 2 goes down thanks to the second section 5'B of the connecting rod 5 'ensuring the offset opening of the contacts 2A and 2B of this bulb, as shown in the figure 7.
  • opening contacts 1A and 1B of the chamber of cut 1 is completed with blowing, in known manner in itself.
  • Vacuum bulb 2 closed, axis 6 'moves then on the fifth section 5 'E of the connecting rod 5' and separating the contacts 1A and 1B from the chamber of cut 1 is continued beyond its position opening up to a position where it ensures disconnector function.
  • the invention applies to any type of hybrid circuit-breaker, whether in a metal casing connected to the earth or insulation in the air.

Landscapes

  • Gas-Insulated Switchgears (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
EP05102320A 2004-03-25 2005-03-23 Hybrider Hochspannungsschutzschalter Not-in-force EP1583124B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0450588 2004-03-25
FR0450588A FR2868199B1 (fr) 2004-03-25 2004-03-25 Disjoncteur hybride a haute tension.

Publications (2)

Publication Number Publication Date
EP1583124A1 true EP1583124A1 (de) 2005-10-05
EP1583124B1 EP1583124B1 (de) 2010-06-30

Family

ID=34878492

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05102320A Not-in-force EP1583124B1 (de) 2004-03-25 2005-03-23 Hybrider Hochspannungsschutzschalter

Country Status (5)

Country Link
US (1) US7199324B2 (de)
EP (1) EP1583124B1 (de)
AT (1) ATE472817T1 (de)
DE (1) DE602005022007D1 (de)
FR (1) FR2868199B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1653491A2 (de) * 2004-10-27 2006-05-03 Areva T&D SA Antriebskinematik eines Schutzschalters
FR2896336A1 (fr) * 2006-01-17 2007-07-20 Areva T & D Sa Disjoncteur sectionneur d'alternateur de structure compacte
DE102006056656A1 (de) * 2006-11-29 2008-06-12 Areva Sachsenwerk Gmbh Schaltermodul für eine elektrische Schaltanlage
US7718913B2 (en) 2006-06-23 2010-05-18 Areva T&D Sa Actuation by cylindrical CAM of a circuit-breaker for an alternator
US9269514B2 (en) 2011-12-21 2016-02-23 Alstom Technology Ltd. Device for protection against particles generated by an electric switching arc
US9443666B2 (en) 2012-10-02 2016-09-13 Alstom Technology Ltd. Electrical contact device of the contact finger type with a strong nominal current

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2868197B1 (fr) * 2004-03-25 2006-05-19 Areva T & D Sa Dispositif de commande pour l'actionnement coordonne d'au moins deux appareils de commutation dont un est a coupure dans le vide
FR2906642B1 (fr) * 2006-09-29 2008-12-19 Areva T & D Sa Actionnement par came cylindrique des contacts d'une chambre de coupure a double mouvement.
EP2341516B1 (de) * 2009-12-29 2013-11-27 ABB Technology AG Mittelspannungsschutzschalter
FR2957450B1 (fr) * 2010-03-09 2012-04-20 Areva T & D Sas Disjoncteur hybride utilisant un interrupteur avec retour sur fermeture
US9054530B2 (en) 2013-04-25 2015-06-09 General Atomics Pulsed interrupter and method of operation
JP6219105B2 (ja) * 2013-09-20 2017-10-25 株式会社東芝 開閉器
DE102015204668A1 (de) * 2015-03-16 2016-09-22 Siemens Aktiengesellschaft Schaltgerät mit einer ersten Schalteinrichtung und einer separat gekapselten zweiten Schalteinrichtung
EP3076420B1 (de) * 2015-03-31 2017-10-04 General Electric Technology GmbH Schnellerdungsverfahren mit stromunterbrechungseigenschaft für metallgekapselte schaltanlage

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3571543A (en) * 1968-09-30 1971-03-23 G & W Electric Speciality Co Multiple position vacuum interrupter switching device
EP0680063A1 (de) * 1994-04-25 1995-11-02 Schneider Electric Sa Elektrischer Mittelspannungsschalter
WO1997008723A1 (fr) * 1995-08-31 1997-03-06 Schneider Electric S.A. Disjoncteur hybride a haute tension
EP1020970A1 (de) * 1997-09-29 2000-07-19 Mitsubishi Denki Kabushiki Kaisha Schaltgerät

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58207802A (ja) * 1982-05-27 1983-12-03 株式会社東芝 ハイブリツド形しや断器
FR2826503B1 (fr) * 2001-06-25 2003-09-05 Alstom Chambre de coupure avec ampoule a vide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3571543A (en) * 1968-09-30 1971-03-23 G & W Electric Speciality Co Multiple position vacuum interrupter switching device
EP0680063A1 (de) * 1994-04-25 1995-11-02 Schneider Electric Sa Elektrischer Mittelspannungsschalter
WO1997008723A1 (fr) * 1995-08-31 1997-03-06 Schneider Electric S.A. Disjoncteur hybride a haute tension
EP1020970A1 (de) * 1997-09-29 2000-07-19 Mitsubishi Denki Kabushiki Kaisha Schaltgerät

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7426100B2 (en) 2004-10-27 2008-09-16 Areva T&D Sa Drive kinematics in a hybrid circuit-breaker
EP1653491A2 (de) * 2004-10-27 2006-05-03 Areva T&D SA Antriebskinematik eines Schutzschalters
EP1653491A3 (de) * 2004-10-27 2007-08-15 Areva T&D SA Antriebskinematik eines Schutzschalters
US8081407B2 (en) 2006-01-17 2011-12-20 Areva T&D Sa Compact disconnector circuit-breaker for an alternator
WO2007110251A1 (fr) * 2006-01-17 2007-10-04 Areva T & D Sa Disjoncteur sectionneur d'alternateur de structure compacte
FR2896336A1 (fr) * 2006-01-17 2007-07-20 Areva T & D Sa Disjoncteur sectionneur d'alternateur de structure compacte
CN101375360B (zh) * 2006-01-17 2012-07-18 阿雷瓦T&D股份有限公司 用于交流发电机的紧凑型断路器切断开关
US7718913B2 (en) 2006-06-23 2010-05-18 Areva T&D Sa Actuation by cylindrical CAM of a circuit-breaker for an alternator
DE102006056656A1 (de) * 2006-11-29 2008-06-12 Areva Sachsenwerk Gmbh Schaltermodul für eine elektrische Schaltanlage
EP2026431A2 (de) 2006-11-29 2009-02-18 AREVA Energietechnik GmbH Schaltermodul für eine elektrische Schaltanlage
EP2026431A3 (de) * 2006-11-29 2009-06-24 AREVA Energietechnik GmbH Schaltermodul für eine elektrische Schaltanlage
US9269514B2 (en) 2011-12-21 2016-02-23 Alstom Technology Ltd. Device for protection against particles generated by an electric switching arc
US9443666B2 (en) 2012-10-02 2016-09-13 Alstom Technology Ltd. Electrical contact device of the contact finger type with a strong nominal current

Also Published As

Publication number Publication date
DE602005022007D1 (de) 2010-08-12
US20050211675A1 (en) 2005-09-29
US7199324B2 (en) 2007-04-03
FR2868199B1 (fr) 2006-05-19
FR2868199A1 (fr) 2005-09-30
ATE472817T1 (de) 2010-07-15
EP1583124B1 (de) 2010-06-30

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