EP1512160B1 - Metallgekapselte hochspannungsachaltanlage mit einem leistungsschalter und mit einer stromschiene montierten einschaltwiderstand - Google Patents

Metallgekapselte hochspannungsachaltanlage mit einem leistungsschalter und mit einer stromschiene montierten einschaltwiderstand Download PDF

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Publication number
EP1512160B1
EP1512160B1 EP03760002A EP03760002A EP1512160B1 EP 1512160 B1 EP1512160 B1 EP 1512160B1 EP 03760002 A EP03760002 A EP 03760002A EP 03760002 A EP03760002 A EP 03760002A EP 1512160 B1 EP1512160 B1 EP 1512160B1
Authority
EP
European Patent Office
Prior art keywords
contact
circuit breaker
bar
fixed
shielded
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
EP03760002A
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English (en)
French (fr)
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EP1512160A1 (de
Inventor
Sébastien BALLAND
Yannick Gaillard
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
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Areva T&D SAS
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Application filed by Areva T&D SAS filed Critical Areva T&D SAS
Publication of EP1512160A1 publication Critical patent/EP1512160A1/de
Application granted granted Critical
Publication of EP1512160B1 publication Critical patent/EP1512160B1/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
    • 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
    • H01H33/16—Impedances connected with contacts
    • H01H33/165—Details concerning the impedances
    • 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
    • H01H33/025—Terminal arrangements

Definitions

  • the invention relates to a high-voltage shielded substation comprising, inter alia, a circuit breaker, an insertion resistor and an electrically conductive bar connecting the circuit breaker to the rest of the substation.
  • a high-voltage shielded substation comprising, inter alia, a circuit breaker, an insertion resistor and an electrically conductive bar connecting the circuit breaker to the rest of the substation.
  • Such an armored station is described for example in the French patent document FR2784500 .
  • the circuit breaker is placed inside an envelope and the insertion resistor (also called the closing resistor) is mounted at one end of the envelope inside a tank attached to the enclosure. envelope by a flange.
  • the insertion resistor and its reservoir are arranged in parallel with the circuit breaker envelope.
  • the insertion resistor is disposed within the station envelope coaxially with the axis of the circuit breaker and is remotely surrounded by a metal cylinder which electrically connects an arc contact to a pole of the circuit breaker. breaker.
  • the substation is insulated in the air contrary to a so-called shielded substation, since it comprises an insulating envelope that supports both poles and encloses the insulating gas.
  • the pole of the circuit breaker in question then being extended by a conductive bar remotely surrounded by the metal casing of the station.
  • An object of the invention is to overcome the large size of conventional shielded positions having insertion resistors housed longitudinally in the metal casing of the station, providing a more compact shielded station in the longitudinal direction.
  • the subject of the invention is a high-voltage shielded substation comprising at least one circuit-breaker which is surrounded by a vessel which extends in an axial direction, this circuit-breaker being associated with an electrically conductive hollow bar for the passage of the permanent current in the substation, this hollow bar being electrically connected to a moving contact of the circuit breaker when the circuit breaker is in the closed position for the passage of the permanent current, this mobile contact comprising at one end a first arcing contact, an insertion resistor being disposed within the hollow bar and electrically connected to the circuit breaker by an inserter, characterized in that the hollow bar is immersed in the vessel to form an angle with the axial direction, and in that the insertion resistance is electrically connected to a second arcing contact of the circuit breaker by the inserter, this second arcing contact being electrically isolated from the hollow bar at the m oins while it is separated from the first arc contact.
  • the inserter is mounted inside a casing which is fixed at one end of the conductive bar, this housing being arranged to electrically connect the bar to the mobile contact of the circuit breaker when the latter is in the closed position.
  • the inserter comprises a sliding contact connected on the one hand to the insertion resistor and on the other hand to a fixed contact extended by the second arcing contact of the circuit breaker, this sliding contact consisting of a first support cylindrical which is movable in the axial direction by being slidable in a second support which is fixed.
  • This second fixed support is preferably connected by a conductive rod to the insertion resistor.
  • the first cylindrical support of the inserter is arranged to come into contact, at the end of travel of the inserter, with a fixed contact electrically connected to the conductive bar.
  • the shielded station comprises inter alia a metal casing 1 which surrounds a circuit breaker extending in a longitudinal direction AX.
  • the circuit breaker comprises two cut-off subassemblies 2A and 2B disposed on either side of an actuator 3.
  • the cut-off subassemblies 2A, 2B are spaced along the longitudinal direction AX which is horizontal here. , and each of them is electrically connected to a corresponding hollow conductor bar 4A, 4B which is vertical here.
  • Each bar 4A, 4B is surrounded by a vertical cylindrical portion of the metal casing 1.
  • the metal casing 1 comprises a tank 4 which surrounds the circuit breaker, and two rings 5A, 5B each surrounding a corresponding conductive bar 4A, 4B.
  • Each ferrule substantially forms a tube extending vertically around the corresponding conductive bar and is fixed by a plurality of bolts to a corresponding branch of the vessel 4.
  • this shielded substation can be equipped with two insertion resistors each disposed inside a conducting bar 4A, 4B each cooperating with a breaking subassembly 2A, 2B to reduce the amplitude of the overvoltages injected into the electrical network when closing the circuit breaker of the substation.
  • a modification to obtain a station according to the invention can be carried out without having to modify the dimensions of the stations, in particular from the moment when each hollow busbar 4A, 4B has an interior space sufficient to accommodate the resistance of the station. desired insertion.
  • each resistance insertion is housed in a hollow bar which plunges into the tank of a circuit breaker to form an angle with the axial direction AX of the circuit breaker.
  • the figure 2 is a more detailed representation of a conductive bar 4B which substantially defines a hollow tubular shape.
  • the insertion resistor 6B which here has a cylindrical shape is mounted inside the conductive bar 4B being disposed substantially coaxially therewith.
  • the insertion resistor is electrically isolated from the conductive bar by the dielectric gas contained in the shielded substation envelope.
  • a cylindrical insertion resistor 6B of larger diameter and electrically insulated from the conductive bar by a solid insulating layer it is conceivable to have a cylindrical insertion resistor 6B of larger diameter and electrically insulated from the conductive bar by a solid insulating layer.
  • the insertion resistance is maintained centered inside the conductive bar 4B by two insulating parts 7 and 8 respectively mounted at each end of the conductive bar 4B.
  • the centering piece 8 here consists of an insulating cone, and is located at the lower end of the conductive bar 4B. It is fixed on its periphery to the inner surface of the conductor bar being traversed at its center by a conductive rod 9 located in the extension of the insertion resistance. This conductive rod 9 is electrically connected to the lower end of the insertion resistor 6B.
  • the lower end of the conductor bar and the insertion resistor are electrically connected to an inserter 10 which extends along the longitudinal axis AX which is also the axis of displacement of the moving contacts of the sub-assemblies cutoff 2A and 2B.
  • This inserter 10 cooperates with a mobile contact equipment of the breaking subassembly 2B.
  • This mobile contacting equipment comprises a conducting rod which is provided, at its end facing the inserter, with a first arcing contact 11 'which here has the shape of a tulip. It also comprises a tubular portion which is fixed to the rod coaxially and which is adapted to be connected to a housing of the inserter 10 to ensure the passage of the permanent current as explained below.
  • the mobile contact crew is called mobile contact 11.
  • the inserter 10 is mounted inside a casing 17 which is fixed to the lower end of the conductive bar 4B in the example embodiment of the figure.
  • This casing 17 is thus electrically connected to the conductive bar 4B.
  • additional means for fixing the casing 17 in the tank 4 for example by means of at least one insulating support between the casing and the tank, and to provide the electrical connection between the casing and the busbar by connection means which do not necessarily ensure a single support function of the housing.
  • the conductive rod 9 which extends the insertion resistance penetrates into the volume of the housing 17 through an opening in the housing, to be electrically connected to a first movable support 14 via a tubular sliding contact member 15 which is fixed and electrically connected to the conductive rod 9.
  • the second fixed support of the inserter means that element 15 which is intended to form a sliding contact with the first mobile support 14 while partially supporting it this mobile support 14 ensuring a movable contact function of the inserter 10.
  • a fixed contact 12 of the breaking subassembly 2B which comprises a second arcing contact 12 'at its end facing the movable contact 11, is fixed to the casing 17 via an electrically insulating piece 18 while being positioned along the AX axis.
  • the second arcing contact 12 ' is thus electrically isolated from the hollow bar as long as it is separated from the first arcing contact 11', or as long as the insertion resistor is not short-circuited as explained above. far.
  • the inserter 10 coaxially surrounds the fixed contact 12 by being arranged to electrically connect the movable contact 11 of the breaking subassembly 2B to the conductive rod 9 during the occurrence of an electric arc between the arcing contacts 11.
  • the inserter 10 is also arranged to electrically connect the movable contact 11 to the conductive bar 4B so that the electric current passes through the busbar at the end of the closing of the inserter, which corresponds to the state represented in FIG. figure 4 .
  • the movable contact 11 of the breaking subassembly 2B comprises a piece 13 of insulating material which surrounds its end made of the arc contact 11 'and which bears against a first mobile support 14 of the inserter.
  • This first mobile support 14 has a substantially cylindrical shape that surrounds the fixed contact 12 to which it is electrically connected.
  • This support 14 is able to move in translation along the axis AX when it is driven in movement by the piece 13 against a return spring 14 ', and is also free to slide at the inside the second fixed support 15.
  • the second fixed support 15 is held in position by the conductive rod 9, and has a substantially cylindrical shape which surrounds the first movable support 14 to leave it free to slide along the axis AX ensuring sliding electrical contact.
  • the insertion resistance is electrically connected to the second arcing contact 12 'at the end of the fixed contact 12 of the circuit breaker via the conductive rod 9, the second fixed support 15, and the first movable support 14 of the inserter 10.
  • the inserter 10 can be fixed at the bottom end of the conductive bar while being electrically connected on the one hand to this conductive bar through its housing 17, and on the other hand to the insertion resistor.
  • the first arcing contact 11 ' On closing of the circuit breaker, the first arcing contact 11 'is approached to the second arcing contact 12', which causes the appearance of an arc between these two contacts.
  • the arc current then passes through the fixed contact 12, then the first movable support 14 and the second fixed support 15 of the inserter to reach the insertion resistance through the conducting rod 9, as visible on the figure 3 .
  • the movable carrier 14 of the inserter contacts a fixed contact 16 of the inserter which is attached to the housing 17 to be electrically connected to the conducting bar 4B, which corresponds to the state represented on the figure 4 .
  • the insertion resistance is then short-circuited, since the second arcing contact 12 'becomes electrically connected to the hollow bar 4B via the first movable support 14, the fixed contact 16 and the casing 17 of the inserter .
  • the fixed contact 16 is mounted in the axial direction AX, and comprises a tubular portion which is in contact with the cylindrical inner wall of the housing 17.
  • the movable contact 11 continues its travel to reach a position not shown in which its end is fitted into the housing 17.
  • the movable contact is electrically connected to the housing so as to substantially increase the contact section to ensure the passage of the permanent current to the conductor bar by shorting the circuit breaker insertion resistor when the circuit breaker is in the closed position.
  • the permanent current is generally defined as the rated current that the station is able to transit.
  • a mobile support 14 associated with a fixed contact 16 for the inserter is not essential in a shielded station according to the invention, but is generally preferable in order to be able to short-circuit the insertion resistance before the Permanent current flows between the movable contact 11 and the conductive bar 4B through the casing 17 of the inserter.
  • circuit breakers in particular circuit breakers type single-chamber cutoff, that is to say having a single sub-cutoff assembly such as 2A or 2B and a single inserter.

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  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Circuit Breakers (AREA)

Claims (7)

  1. Gekapselte Hochspannungsschaltanlage mit zumindest einem Leistungsschalter, der von einem Behälter (4) umgeben wird, der sich in einer axialen Richtung (AX) erstreckt, wobei diesem Leistungsschalter eine elektrisch leitfähige Hohlschiene (4B) zum Durchtritt des Dauerstroms in der Schaltanlage zugeordnet ist, wobei die Hohlschiene elektrisch mit einem beweglichen Kontakt (11) des Leistungsschalters dann verbunden ist, wenn der Leistungsschalter in Schließstellung zum Durchtritt des Dauerstroms ist, wobei der bewegliche Kontakt (11) an einem Ende einen ersten Lichtbogenkontakt (11') aufweist, wobei ein Einfügewiderstand (6B) innerhalb der Schiene angeordnet und über ein Einfügeglied (10) elektrisch mit dem Leistungsschalter verbunden ist, dadurch gekennzeichnet, dass die Hohlschiene in den Behälter eindringt und dabei einen Winkel mit der axialen Richtung (AX) einschließt und dass der Einfügewiderstand über das Einfügeglied (10) elektrisch mit einem zweiten Lichtbogenkontakt (12') des Leistungsschalters verbunden ist, wobei der zweite Lichtbogenkontakt elektrisch von der Hohlschiene (4B) zumindest solange isoliert ist, wie er von dem ersten Lichtbogenkontakt (11') getrennt ist.
  2. Gekapselte Schaltanlage nach Anspruch 1, wobei das Einfügeglied (10) innerhalb eines Gehäuses (17) montiert ist, das an einem Ende der Stromschiene (4B) befestigt ist, wobei das Gehäuse dazu vorgesehen ist, die Schiene elektrisch mit dem beweglichen Kontakt (11) des Leistungsschalters dann zu verbinden, wenn letzterer sich in Schließstelllung befindet.
  3. Gekapselte Schaltanlage nach einem der Ansprüche 1 und 2, wobei das Einfügeglied (10) einen gleitbeweglichen Kontakt (14, 15) aufweist, der einerseits mit dem Einfügewiderstand (6B) und andererseits mit einem feststehenden Kontakt (12) verbunden ist, der von dem zweiten Lichtbogenkontakt (12') des Leistungsschalters fortgesetzt wird, wobei der gleitbewegliche Kontakt aus einem ersten zylindrischen Halter (14) besteht, der in axialer Richtung (AX) beweglich ist und dabei in einen zweiten Halter (15) gleiten kann, der feststehend ist.
  4. Gekapselte Schaltanlage nach Anspruch 3, wobei der zweite feststehende Halter (15) des Einfügeglieds (10) über eine Leitstange (9) mit dem Einfügewiderstand (6B) verbunden ist.
  5. Gekapselte Schaltanlage nach einem der Ansprüche 3 und 4, wobei der erste zylindrische Halter (14) des Einfügeglieds (10) dazu vorgesehen ist, in der Endstellung des Einfügeglieds einen feststehenden Kontakt (16) zu kontaktieren, der elektrisch mit der Stromschiene (4B) verbunden ist.
  6. Gekapselte Schaltanlage nach Anspruch 5, wobei das Gehäuse (17) des Einfügeglieds im wesentlichen eine Rohrform in axialer Richtung (AX) des Behälters (4) aufweist und wobei der feststehende Kontakt (16) in dieser axialen Richtung angeordnet und dazu vorgesehen ist, mit der Innenwand des Gehäuses elektrisch in Kontakt zu stehen.
  7. Gekapselte Schaltanlage nach einem der Ansprüche 1 bis 6, wobei die Hohlschiene (4B) einen rechten Winkel mit der axialen Richtung (AX) des Behälters (4) einschließt und von einer Zylinderhülse (5B) umgeben wird, die an einem entsprechenden Abzweigstutzen des Behälters befestigt ist.
EP03760002A 2002-06-12 2003-06-06 Metallgekapselte hochspannungsachaltanlage mit einem leistungsschalter und mit einer stromschiene montierten einschaltwiderstand Expired - Lifetime EP1512160B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0207203A FR2841039B1 (fr) 2002-06-12 2002-06-12 Poste blinde a haute tension comprenant un disjoncteur avec une resistance d'insertion montee dans une barre conductrice
FR0207203 2002-06-12
PCT/FR2003/001699 WO2003107370A1 (fr) 2002-06-12 2003-06-06 Poste blinde a haute tension comprenant un disjoncteur avec une resistance d'insertion montee dans une barre conductrice

Publications (2)

Publication Number Publication Date
EP1512160A1 EP1512160A1 (de) 2005-03-09
EP1512160B1 true EP1512160B1 (de) 2011-03-09

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Application Number Title Priority Date Filing Date
EP03760002A Expired - Lifetime EP1512160B1 (de) 2002-06-12 2003-06-06 Metallgekapselte hochspannungsachaltanlage mit einem leistungsschalter und mit einer stromschiene montierten einschaltwiderstand

Country Status (6)

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EP (1) EP1512160B1 (de)
AU (1) AU2003255648A1 (de)
DE (1) DE60336311D1 (de)
FR (1) FR2841039B1 (de)
TW (1) TW200405376A (de)
WO (1) WO2003107370A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102723245B (zh) * 2012-06-18 2015-06-17 河南平高电气股份有限公司 一种高压断路器用电阻装置及高压断路器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01313823A (ja) * 1988-06-10 1989-12-19 Mitsubishi Electric Corp 投入抵抗付遮断器
FR2674984B1 (fr) * 1991-04-05 1993-06-11 Alsthom Gec Disjoncteur a sf6 a varistance et a condensateur incorpores.
FR2784500B1 (fr) * 1998-10-08 2000-11-10 Alstom Technology Montage de resistance de fermeture pour appareillage a haute tension

Also Published As

Publication number Publication date
AU2003255648A1 (en) 2003-12-31
DE60336311D1 (de) 2011-04-21
EP1512160A1 (de) 2005-03-09
FR2841039B1 (fr) 2004-09-03
FR2841039A1 (fr) 2003-12-19
TW200405376A (en) 2004-04-01
WO2003107370A1 (fr) 2003-12-24

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