EP0874380A1 - Unterbrechungsvorrichtung für niedrige und Hochspannungstrom - Google Patents

Unterbrechungsvorrichtung für niedrige und Hochspannungstrom Download PDF

Info

Publication number
EP0874380A1
EP0874380A1 EP98401006A EP98401006A EP0874380A1 EP 0874380 A1 EP0874380 A1 EP 0874380A1 EP 98401006 A EP98401006 A EP 98401006A EP 98401006 A EP98401006 A EP 98401006A EP 0874380 A1 EP0874380 A1 EP 0874380A1
Authority
EP
European Patent Office
Prior art keywords
movable contact
contact
fixed
magnetic field
source
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
EP98401006A
Other languages
English (en)
French (fr)
Other versions
EP0874380B1 (de
Inventor
Paul Coquaz
Benoít Richard
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.)
Pommier and Cie SA
Original Assignee
Soule Materiel Electrique
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 Soule Materiel Electrique filed Critical Soule Materiel Electrique
Publication of EP0874380A1 publication Critical patent/EP0874380A1/de
Application granted granted Critical
Publication of EP0874380B1 publication Critical patent/EP0874380B1/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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • 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
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H33/121—Load break switches
    • H01H33/123—Load break switches in which the auxiliary contact pivots on the main contact-arm and performs a delayed and accelerated movement
    • H01H33/124—Load break switches in which the auxiliary contact pivots on the main contact-arm and performs a delayed and accelerated movement the auxiliary contact being a whip contact
    • 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
    • H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • 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
    • H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H33/182—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
    • 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
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets

Definitions

  • the present invention relates to the field of devices for electric cut for high voltage.
  • the invention applies in particular, but not limited to high voltage MV areas (alternating from 1,000 to 50,000 volts and continuously from 1,500 to 75,000 volts) and HTB (alternatively greater than 50-000 volts and continuously greater than 75,000 volts).
  • the present invention can also find application in the low voltage BTA range (from 50 to 500 V in AC and from 120 to 750V continuous) and BTB (from 500 to 1000 V alternating and from 750 to 1500 V continuously).
  • the present invention applies in particular to field of electrical cut-off devices including a box defining at least one chamber which houses two cooperating fixed contacts with a rotary movable contact moved at least between two positions: a closed position in which the rotary contact connects the fixed contacts, and an open position in which the movable contact is separated from the fixed contacts.
  • the present invention is not limited to this application. particular and extends to all electrical cut-off devices, such as example air cut-off devices.
  • the present invention now aims to improve the known low or high voltage cut-off devices.
  • a electric cut-off device of the known type comprising at least one fixed contact, a movable contact movable between at least two positions: a closed position in which the movable contact is connected to the fixed contact and an open position in which the movable contact is separated from the fixed contact and at least one source of magnetic field suitable for lengthening the arc developed between the fixed contact and the contact mobile during an opening phase, characterized in that the source of magnetic field is suitable for generating an arc development transversely to the predetermined general direction of movement of the mobile contact.
  • a cut-off device electric comprising a housing 10 formed of two shells 12, 14 assembled by any suitable means, for example by screwing or bolting at 15.
  • a seal 16 is interposed between the two shells 12, 14.
  • the geometry of the shells 12, 14 can make the subject of numerous variant embodiments.
  • These shells 12, 14 define in combination an internal chamber 20.
  • the chamber 20 is at least partially cylindrical of revolution centered on an O-O axis. This geometry is not limiting.
  • the shells 12, 14 support two fixed contacts 30, 40, electrically conductive through the shells to be accessible, on the one hand outside the housing 10 for an electrical connection, and on the other hand on the inside of the chamber 20.
  • the two fixed contacts are diametrically opposite with respect to the axis O-O.
  • one of the contacts 30 can be extended inside the chamber 20 by a sector 32 of electrically conductive material in the form of sector crown centered on the O-O axis.
  • the chamber 20 also houses a rotary movable contact 50 electrically conductive capable of rotation about the O-O axis.
  • the rotary movable contact 50 is actuated in rotation by any suitable means. he is formed by a rectilinear bar which extends along a diameter with respect to the O-O axis.
  • the rotary movable contact 50 is thus moved between at least two positions: a closed position as illustrated in FIG. 1 in which the rotary movable contact 50 provides a connection between the contacts fixed 30, 40 and an open position illustrated in Figure 2 in which the movable contact 50 is separated from the contacts 30, 40 and thus opens the circuit electric between them.
  • the contacting cooperation defined between the ends of the rotary movable contact 50 and fixed contacts 30, 40 can be the subject of many embodiments.
  • the fixed contacts 30, 40 are formed of knives, while the cooperating ends of the rotary movable contact 50 are formed of complementary pliers.
  • the reverse layout can however be retained.
  • these elements 30, 40, 50 are adapted to define multiple contacts at the level of each 30/50 and 40/50 torque.
  • an arc A of general peripheral orientation develops between the ends of the rotary movable contact 50 and each of the contacts fixed 30, 40, as illustrated in FIG. 2.
  • the current generating the arcs A is referenced I.
  • sources of magnetic field 60 adapted to develop the arc in one direction axial, i.e. parallel to the axis O-O of rotation of the rotary contact 50.
  • the sources 60 have a radial field orientation with reference to the O-O axis.
  • attached sources 60 are formed of lovers.
  • the sources 60 could be formed from electromagnetic coils powered electrically at least during the opening phase.
  • the lovers 60 are housed in the shells 12, 14, close to the fixed contacts 30, 40, that is to say facing the area in which the arc appears.
  • the magnets are embedded in the shells 12, 14. They are thus covered by a veil of material of the shells 12, 14 or added, which protect them from the arcs.
  • the lovers 60 may be flush with the surface internal of the chamber 20, or protrude internally relative to this surface in room 20.
  • the magnets 60 can be placed on the outside of the shells 12, 14. This arrangement facilitates the possible maintenance and replacement of these magnets 60, or even adjustment if necessary.
  • the two lovers 60 can have opposite poles directed towards the axis of rotation O-O of the movable contact 50, as illustrated in figures 1 to 3.
  • the arcs A are extended axially in the same direction.
  • the direction of the magnets illustrated on the Figures 1 to 3 attached is of course not limiting.
  • the two magnets 60 could have identical poles directed towards the axis O-O of rotation of the movable contact 50.
  • the arcs generated respectively at proximity of the fixed contacts 30, 40 are extended in opposite directions parallel to the axis O-O.
  • the shell 14 also supports a second fixed contact 42 connected to earth.
  • the lovers 60 can be fixed on the shells 12, 14 by any appropriate means.
  • the present invention is preferably used under shape of three axially juxtaposed chambers corresponding to the three phases of an electrical distribution network.
  • the distances required between power lines of a three-phase network are compatible with axial dimensions required to allow arc development through with magnets 60.
  • These three chambers can be formed from a housing single or if necessary of three juxtaposed boxes.
  • the axial direction in which the arc is extended depends on the direction of the current at break.
  • the assembly formed by the contacts fixed 30, 40, the rotary movable contact 50 and the magnets 60 (generally coplanar with each other and centered on a plane transverse to the axis of rotation O-O), is preferably placed in the middle position of the chamber 20 for allow the arcs to be extended either in one direction or in the other according to the direction of the current.
  • the cut-off device is placed in the air.
  • the device comprises a base 100 which carries two insulators fixed 110 and 120. These respectively carry terminals 112, 122 of connection on the ends of a line to be cut.
  • Fixed contact 130 is connected to terminal 112 at the top of the insulator 110.
  • the movable contact 150 is placed at the end of an arm 152 mounted at pivot on the top of the insulator 120, around an axis 154.
  • the movable contact 150 is electrically connected to terminal 122 by any means appropriate, for example by the arm 152.
  • the displacements of the arm 152 between a closed position, illustrated in Figure 4, in which the movable contact 152 is connected to the fixed contact 130, and an open position, sketched in FIG. 4, in which the movable contact 152 is separated from the fixed contact 130, are controlled by the pivoting of a third insulator 170 rotatably mounted on the base 100 around an axis 172 and the top is provided with a roller 174 engaged with a rail secured to the arm 152.
  • At least one field source is provided magnetic 160 adapted to lengthen the arc developed between the fixed contact 130 and the movable contact 150 during an opening phase, transversely to the predetermined direction of movement of the movable contact 150.
  • the magnetic field source 160 is preferably formed of a permanent lover.
  • this field source magnetic 160 has its axis of magnetization contained in a plane orthogonal to the axis of rotation 154 of the movable contact 150.
  • Lover 160 is positioned to create a magnetic field perpendicular to the direction of the current of the electric arc, generated during the opening of the contacts, which causes a displacement of the electric arc in the axial direction, with reference to the axis of rotation of the movable contact 150.
  • This source 160 extends the arc perpendicular to the plane of the Figure 4 and parallel to the plane of Figure 5.
  • the magnet 160 is carried by a plate 162 secured to the fixed contact 130.
  • the present invention applies in particular to electrical cut-off devices comprising a movable contact 50 mounted for rotation about an axis O-O and cooperating with a fixed contact 30 (see Figures 6a and 6b), to the breaking devices electric comprising a movable contact 50 rotatably mounted around a axis O-O and cooperating with two fixed contacts 30 and 40 (see Figures 7a and 7b), and to electrical cut-off devices comprising a fixed contact 30 and a contact 50 movable in translation relative to this fixed contact 30 between a closed position and an open position (see Figures 8a and 8b).
  • the movable contact 50 is actuated by a link 52 and it is connected to an electrically conductive flexible braid 54.
  • the present invention also applies to devices for cutout placed in a box under controlled, waterproof or semi-waterproof, for example under SF6 or under nitrogen.
  • the magnetic field source 60, 160 can be supplemented by additional cutting means, such as whips, air or gas blowing device, synthetic release chamber gas, elongation or arc breaking chamber, etc.
  • additional cutting means such as whips, air or gas blowing device, synthetic release chamber gas, elongation or arc breaking chamber, etc.
  • FIGS. 4 and 5 have thus illustrated a whip 180 made of material electrically conductive integral with the movable contact 150 to cooperate in known manner with a hook 182 also made of material electrically conductive integral with the fixed contact 130.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
EP98401006A 1997-04-25 1998-04-24 Unterbrechungsvorrichtung für niedrigen und Hochspannungstrom Expired - Lifetime EP0874380B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9705136A FR2762710B1 (fr) 1997-04-25 1997-04-25 Dispositif de coupure electrique pour basse et haute tension
FR9705136 1997-04-25

Publications (2)

Publication Number Publication Date
EP0874380A1 true EP0874380A1 (de) 1998-10-28
EP0874380B1 EP0874380B1 (de) 2004-03-31

Family

ID=9506315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98401006A Expired - Lifetime EP0874380B1 (de) 1997-04-25 1998-04-24 Unterbrechungsvorrichtung für niedrigen und Hochspannungstrom

Country Status (5)

Country Link
EP (1) EP0874380B1 (de)
AT (1) ATE263422T1 (de)
DE (1) DE69822696T2 (de)
ES (1) ES2215281T3 (de)
FR (1) FR2762710B1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009118358A1 (fr) * 2008-03-26 2009-10-01 Pommier Dispositif de coupure électrique avec visibilité augmentée
CN101552146A (zh) * 2008-04-03 2009-10-07 波米尔公司 用于低压和高压的电流断路装置
WO2013068057A1 (de) * 2011-11-12 2013-05-16 Ellenberger & Poensgen Gmbh Schaltsystem
EP2608240A1 (de) * 2011-12-20 2013-06-26 LSIS Co., Ltd. Bogenauslöschvorrichtung für Ringhaupteinheit
WO2013153279A1 (en) * 2012-04-12 2013-10-17 Abb Oy Electric current switching apparatus
WO2013153278A1 (en) * 2012-04-12 2013-10-17 Abb Oy Electric current switching apparatus
FR3006101A1 (fr) * 2013-05-23 2014-11-28 Socomec Sa Dispositif de coupure electrique notamment pour courant continu equipe d'un module magnetique pour le soufflage de l'arc electrique
US9287072B2 (en) 2012-04-12 2016-03-15 Abb Oy Electric current switching apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005060633A1 (de) * 2005-12-13 2007-06-14 Siemens Ag Lasttrennschalter für eine gekapselte Schaltanlage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1226439A (fr) * 1958-10-14 1960-07-11 Dispositif de soufflage de l'arc électrique
FR1238953A (fr) * 1959-08-27 1960-08-19 Dispositif de soufflage de l'arc électrique
US3194918A (en) * 1963-10-04 1965-07-13 Anthony J Muscante Contactor for electric torpedoes
US3218423A (en) * 1963-09-14 1965-11-16 Driescher Spezialfab Fritz High-voltage multiphase circuit breaker with arc quenching chambers
EP0296915A1 (de) * 1987-06-25 1988-12-28 Merlin Gerin Drehschalter mit gebogener Lichtbogenlaufbahn
EP0485306A1 (de) * 1990-11-06 1992-05-13 Schneider Electric Sa Mehrpoliger Drehschalter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1226439A (fr) * 1958-10-14 1960-07-11 Dispositif de soufflage de l'arc électrique
FR1238953A (fr) * 1959-08-27 1960-08-19 Dispositif de soufflage de l'arc électrique
US3218423A (en) * 1963-09-14 1965-11-16 Driescher Spezialfab Fritz High-voltage multiphase circuit breaker with arc quenching chambers
US3194918A (en) * 1963-10-04 1965-07-13 Anthony J Muscante Contactor for electric torpedoes
EP0296915A1 (de) * 1987-06-25 1988-12-28 Merlin Gerin Drehschalter mit gebogener Lichtbogenlaufbahn
EP0485306A1 (de) * 1990-11-06 1992-05-13 Schneider Electric Sa Mehrpoliger Drehschalter

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2929442A1 (fr) * 2008-03-26 2009-10-02 Pommier Sa Dispositif de coupure electrique avec visibilite augmentee
WO2009118358A1 (fr) * 2008-03-26 2009-10-01 Pommier Dispositif de coupure électrique avec visibilité augmentée
CN101552146A (zh) * 2008-04-03 2009-10-07 波米尔公司 用于低压和高压的电流断路装置
WO2013068057A1 (de) * 2011-11-12 2013-05-16 Ellenberger & Poensgen Gmbh Schaltsystem
CN103930962B (zh) * 2011-11-12 2016-12-21 埃伦贝格尔及珀恩斯根有限公司 开关***
US9431197B2 (en) 2011-11-12 2016-08-30 Ellenberger & Poensgen Gmbh Switching system
CN103930962A (zh) * 2011-11-12 2014-07-16 埃伦贝格尔及珀恩斯根有限公司 开关***
RU2570169C1 (ru) * 2011-11-12 2015-12-10 Элленбергер Унд Поенсген Гмбх Система коммутации
US9040861B2 (en) 2011-12-20 2015-05-26 Lsis Co., Ltd. Arc extinguishing apparatus for ring main unit
EP2608240A1 (de) * 2011-12-20 2013-06-26 LSIS Co., Ltd. Bogenauslöschvorrichtung für Ringhaupteinheit
US9287072B2 (en) 2012-04-12 2016-03-15 Abb Oy Electric current switching apparatus
CN104221112A (zh) * 2012-04-12 2014-12-17 Abb有限公司 电流开关设备
US9425003B2 (en) 2012-04-12 2016-08-23 Abb Oy Electric current switching apparatus
WO2013153278A1 (en) * 2012-04-12 2013-10-17 Abb Oy Electric current switching apparatus
US9437376B2 (en) 2012-04-12 2016-09-06 Abb Oy Electric current switching apparatus
WO2013153279A1 (en) * 2012-04-12 2013-10-17 Abb Oy Electric current switching apparatus
FR3006101A1 (fr) * 2013-05-23 2014-11-28 Socomec Sa Dispositif de coupure electrique notamment pour courant continu equipe d'un module magnetique pour le soufflage de l'arc electrique

Also Published As

Publication number Publication date
ES2215281T3 (es) 2004-10-01
FR2762710B1 (fr) 2003-05-30
FR2762710A1 (fr) 1998-10-30
DE69822696D1 (de) 2004-05-06
ATE263422T1 (de) 2004-04-15
DE69822696T2 (de) 2005-03-10
EP0874380B1 (de) 2004-03-31

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