EP2619782B1 - Schutzschalter für eine hochspannungsstromleitung mit einer in einem verbindungskanal angeordneten insertionsvorrichtung - Google Patents

Schutzschalter für eine hochspannungsstromleitung mit einer in einem verbindungskanal angeordneten insertionsvorrichtung Download PDF

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Publication number
EP2619782B1
EP2619782B1 EP11757656.1A EP11757656A EP2619782B1 EP 2619782 B1 EP2619782 B1 EP 2619782B1 EP 11757656 A EP11757656 A EP 11757656A EP 2619782 B1 EP2619782 B1 EP 2619782B1
Authority
EP
European Patent Office
Prior art keywords
contact
tank
circuit breaker
terminal
resistor
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.)
Not-in-force
Application number
EP11757656.1A
Other languages
English (en)
French (fr)
Other versions
EP2619782A1 (de
Inventor
André Cimala
Kévin FLEURY
Gwénaël MARQUEZIN
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.)
GE Vernova GmbH
Original Assignee
Alstom Technology AG
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 Alstom Technology AG filed Critical Alstom Technology AG
Publication of EP2619782A1 publication Critical patent/EP2619782A1/de
Application granted granted Critical
Publication of EP2619782B1 publication Critical patent/EP2619782B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/04Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16Impedances connected with contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H2033/028Details the cooperating contacts being both actuated simultaneously in opposite directions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/04Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16Impedances connected with contacts
    • H01H33/166Impedances connected with contacts the impedance being inserted only while closing the switch

Definitions

  • the invention relates to a device for breaking, or circuit breaker, of a medium, high or very high voltage electricity transmission line comprising a double-contact interrupting chamber and a resistance insertion device in the line. .
  • the invention relates more particularly to a circuit breaker comprising two parallel tanks each receiving a breaking chamber and a resistance, and the two tanks are interconnected by at least one connecting conduit.
  • the two tanks communicate with each other at their ends by transverse conduits, and a device for inserting the resistor is arranged in one end of the tank receiving the resistor, to connect or not the resistance to the breaking chamber.
  • the insertion device is arranged in the tank receiving the resistance, and a drive mechanism of the insertion device is mounted at the end of the tank, at the level of the device. 'insertion.
  • the drive of the insertion device is then performed independently to drive the interrupting chamber.
  • the document US 2009067108 proposes to drive the insertion device by the driving means of the interrupting chamber by means of a return mechanism.
  • the drive mechanism of the insertion device has been replaced by the return mechanism, which means that the component number of the circuit breaker has been reduced only to a limited extent.
  • the object of the invention is to propose a circuit breaker for which the number of components associated with the insertion device is even smaller.
  • a reduced number of components is arranged in the vessel receiving the resistance, which limits the general volume of this vessel.
  • the circuit breaker comprises a drive member of the interrupting chamber which is located at the first terminal of the interrupting chamber, and in that the drive means of the movable contact are connected directly to said actuator member. training.
  • the circuit breaker comprises a drive member of the interrupting chamber which is located at the second terminal of the interrupting chamber, and in that the drive means of the movable contact are connected directly to said actuator member. training.
  • At least one contact of the insertion device extends at least partly through the transverse duct.
  • the second contact is fixed and is arranged in the transverse duct.
  • the second contact is fixed and is arranged in the second tank.
  • the first contact is movable between a position of contact with the second contact and a position remote from the second contact in which the whole of the movable contact is located in the first tank.
  • the first contact is movable between a position of contact with the second contact and a position remote from the second contact in which at least a portion of the movable contact is located in the transverse duct.
  • figure 1 a circuit breaker 10 for a medium, high or very high voltage line.
  • the circuit breaker 10 comprises a breaking chamber 12 which is arranged inside a first tank 14 made of electrically conductive material, for example aluminum alloy, or stainless steel.
  • the breaking chamber 12 extends along a longitudinal principal axis A, and the first tank 14 is substantially coaxial with the breaking chamber 12.
  • the interrupting chamber 12 is here of the double-contact type of contact, that is to say that it comprises a fixed contact and a movable contact (not shown) which are both axially movable in the interrupting chamber 12 so as to move toward or away from each other, to open or close the streamline.
  • the circuit breaker 10 is of the in-line motion input type, that is to say it comprises an actuator 16 located at an axial end of the interrupting chamber 12, here at the left end in FIG. referring to the figures.
  • the actuator 16 comprises in particular an axial rod 18 which is slidably mounted axially in the interrupting chamber 12, which drives the contacts of the interrupting chamber, for the opening or closing of the breaking chamber 12.
  • Each end 12a, 12b of the interrupting chamber 12 is connected to a conductor (not shown) of the stream line, and the tank 16 comprises two conduits 20, each of which is associated with a conductor, which open into the interior volume of the tank, at the associated end 12a, 12b of the interrupting chamber 12, to allow the connection of the conductor of the current line to the associated end 12a, 12b of the breaking chamber 12.
  • the circuit breaker 10 also comprises a resistor 22 which is intended to be connected in parallel with the breaking chamber 12 by an insertion device 24 of the resistor, in parallel with the interrupting chamber.
  • the insertion of the resistor 22 makes it possible to limit the overvoltage effects present on the power transmission line during the closing of the breaking chamber 12.
  • resistor 22 also makes it possible to limit the call currents when energizing transformers or reactors.
  • the resistor 22 is of longitudinal main orientation and is offset transversely with respect to the breaking chamber 12.
  • the resistor 22 is arranged inside a second tank 26 of main orientation longitudinally substantially coaxial with the resistor 22.
  • the second tank 26 comprises support means 44 of the resistor 22 which are made of electrically insulating material.
  • the two tanks 14, 26 are parallel and offset transversely relative to one another, and they are connected to each other at the longitudinal ends of the tanks 14, 26 via two transverse ducts. 28.
  • Each of the two transverse ducts 28 is made from two tubular portions 40, 42 formed in the first tank 14 and in the second tank 26, respectively, and each of which extends transversely to the other tank 26, 14 and whose free transverse end 40a 42a forms a flange which is connected.
  • the free transverse end 40a, 42a of each tubular portion 40, 42 is connected to the free transverse end 42a, 40a vis-à-vis the other tubular portion 40, 42 by welding or any other known method of attachment.
  • transverse ducts 28 connect the two interior volumes of the tanks 14, 26 to form a single volume.
  • an insulating support is arranged between the free ends 40a, 42a of the tubular portions 40, 42.
  • This insulating support is gas-tight and thus isolates the interior volumes tanks 14, 26, thus forming two separate gas volumes, commonly called “partitions”.
  • the insulating support comprises a gas-tight insulating membrane, a metal central insert allowing the electrical connection through the conduit 28 and a peripheral flange which is also metallic for the electrical connection of the tanks 14, 26 to each other.
  • transverse ducts 28 are traversed by means for connecting the resistor 22 to the interrupting chamber 12.
  • the transverse duct 28 located on the right at the figure 1 is crossed by a conductor 30 which electrically connects the right end terminal 12b of the breaking chamber 12 to the right end terminal 22b of the resistor 22.
  • the conductor 30 also forms, in this embodiment, a support of the resistor 22 in the second tank 26, at the right end 22b of the resistor 22.
  • the tank 26 comprises a second support 44 made of insulating material, which connects the left end 22a of the resistor 22 to the left end of the second tank 26.
  • the resistor 22 is carried by two insulating supports 44, each of which is arranged at one end 22a, 22b of the resistor 22.
  • the transverse duct 28 located on the left at the figure 1 is traversed by a portion of the insertion device 24, so that the end terminal of left 22a of the resistor 22 is connectable selectively to the left end terminal 12a of the breaking chamber 12 by the insertion device 24.
  • the insertion device 24 generally consists of a switch arranged between the terminals or left ends 12a, 22a of the breaking chamber 12 and the resistor 22.
  • the insertion device 24 comprises a fixed contact 32, which is here permanently connected with the left terminal 22a of the resistor, a movable contact 34 which is permanently connected with the left terminal 12a of the interrupting chamber 12, and means 36 for driving the movable contact 34 to a position of contact with the fixed contact 32, or to a position remote from the fixed contact 32.
  • the movable contact comprises a transverse rod 38, which is slidably mounted and which is guided in translation by a guide element of the drive means 36.
  • the free transverse end 38a of the rod 38, which is closest to the fixed contact 32 is formed to come into electrical contact with the fixed contact 32.
  • At least one contact 32, 34 of the insertion device 24 extends at least partially in the duct 28 on the left which passes through the insertion device 24, when the movable contact 34 is in the remote position or when the movable contact 34 is in the position of contact with the fixed contact 32.
  • the drive means 36 of the movable contact 34 are arranged in the first tank 14, close to the left terminal 12a of the interrupting chamber 12, which is located near the actuator 16 for driving the chamber. cutoff 12.
  • the drive means 36 of the movable contact are connected directly to the longitudinal rod 18 so as to be driven by the actuator 16 without the intermediary of a return device.
  • the fixed contact 32 is arranged inside the second tank 26, at the left terminal 22a of the resistor 22.
  • the fixed contact 34 is movable in the left duct 28 between the remote position shown in FIG. figure 1 in which the fixed contact 34 extends through the left duct 28 and a contact position in which at least the free end 38a of the movable contact 34 is in contact with the fixed contact 32 and is located in the end left of the second tank 26.
  • FIG. 2 an alternative embodiment of the circuit breaker 10 in which the fixed contact 32 is located inside the left duct 28, and the movable contact 34 is movable transversely between the contact position in which the free transverse end 38a of the rod 38 is located in the left duct 28 and a remote position in which all of the movable contact 34 is located in the first tank 16, at a distance from the fixed contact 32.
  • FIG. 3 still another alternative embodiment of the circuit breaker wherein the fixed contact is arranged inside the second tank 26, at the left terminal 22a of the resistor 22, and wherein the movable contact 34 is located at the inside the first tank 14 when it is in the remote position.
  • circuit breaker 10 has been described in association with a resistance insertion device in parallel with the breaking chamber 12. It will be understood that the invention also relates to a resistance insertion device in series with the breaking chamber. 12.
  • the insertion device 24 which has been described comprises a single moving contact 34, it will also be understood that the invention relates to a double-contact type insertion device, for which the two contacts 32, 34 are movable in the circuit breaker and relative to each other.
  • the actuator 16 and the axial rod 18 for actuating the breaking chamber 12 are arranged at the second end 12b of the breaking chamber 12, and the drive means 36 of the mobile contact 34 are connected directly to the axial rod 18.
  • the central insert of the insulator forms part of the fixed contact 32 of the device. insertion 24.
  • the fixed contact 32 extends in part inside the conduit 28 and the movable contact 26 extends inside the conduit when it is in the connected position with the fixed contact.

Landscapes

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

Claims (8)

  1. Schalter (10) für eine Stromleitung mit mittlerer, hoher oder sehr hoher Spannung, umfassend
    - wenigstens eine Unterbrecherkammer (12) mit longitudinaler Hauptachse A, die in einem im Wesentlichen longitudinalen ersten Behälter (14) angeordnet ist;
    - wenigstens einen Widerstand (22) mit longitudinaler Hauptachse B, der in einem im Wesentlichen longitudinalen zweiten Behälter (26) angeordnet ist, wobei der zweite Behälter (26) transversal bezüglich des ersten Behälters (14) versetzt ist,
    - eine Transversalleitung (28) zur Verbindung des ersten Behälters (14) mit dem zweiten Behälter (26), die longitudinal im Bereich eines ersten Anschlusses (12a) der Unterbrecherkammer (12) angeordnet ist,
    - eine Einfügevorrichtung (24) für den Widerstand (22), die dazu ausgelegt ist, einen ersten Anschluss (22a) des Widerstands (22) elektrisch mit dem ersten Anschluss (12a) der Unterbrecherkammer (12) zu verbinden, die einen ersten mobilen Kontakt (34) umfasst, der mit dem ersten Anschluss (12a) der Unterbrecherkammer (12) oder mit dem ersten Anschluss (22a) des Widerstands (22) verbunden und dazu ausgelegt ist, in elektrischen Kontakt mit einem zweiten Kontakt (32) der Einfügevorrichtung (24) zu gelangen, der mit dem ersten Anschluss (22a) des Widerstands (22) beziehungsweise mit dem ersten Anschluss (12a) der Unterbrecherkammer (12) verbunden ist,
    wobei die Einfügevorrichtung (24) Mittel (36) zum Antrieb des mobilen Kontakts (34) umfasst, die in dem ersten Behälter (14) im Bereich des ersten Anschlusses (12a) der Unterbrecherkammer (12) angeordnet sind,
    dadurch gekennzeichnet, dass der mobile Kontakt (34) teilweise in der transversalen Verbindungsleitung (28) verlagerbar ist.
  2. Schalter (10) nach Anspruch 1, dadurch gekennzeichnet, dass er ein Organ (18) zum Antrieb der Unterbrecherkammer (12) umfasst, das im Bereich des ersten Anschlusses (12a) der Unterbrecherkammer (12) angeordnet ist, und dass die Antriebsmittel (36) des mobilen Kontakts (34) direkt mit dem Antriebsorgan (18) verbunden sind.
  3. Schalter (10) nach Anspruch 1, dadurch gekennzeichnet, dass er ein Organ (18) zum Antrieb der Unterbrecherkammer (12) umfasst, das im Bereich des zweiten Anschlusses (12b) der Unterbrecherkammer (12) angeordnet ist, und dass die Antriebsmittel (36) des mobilen Kontakts (34) direkt mit dem Antriebsorgan (18) verbunden sind.
  4. Schalter (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass wenigstens ein Kontakt (32, 34) der Einfügevorrichtung (24) sich wenigstens teilweise durch die Transversalleitung (28) hindurch erstreckt.
  5. Schalter (10) nach Anspruch 4, dadurch gekennzeichnet, dass der zweite Kontakt (32) fest und in der Transversalleitung (28) angeordnet ist.
  6. Schalter (10) nach Anspruch 4, dadurch gekennzeichnet, dass der zweite Kontakt (32) fest und in dem zweiten Behälter (26) angeordnet ist.
  7. Schalter (10) nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass der erste Kontakt (34) mobil ist zwischen einer Kontaktposition mit dem zweiten Kontakt (32) und einer vom zweiten Kontakt (32) entfernten Position, in der der gesamte mobile Kontakt (34) in dem ersten Behälter (14) befindlich ist.
  8. Schalter (10) nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass der erste Kontakt (34) mobil ist zwischen einer Kontaktposition mit dem zweiten Kontakt (32) und einer vom zweiten Kontakt (32) entfernten Position, in der wenigstens ein Teil des mobilen Kontakts (34) in der Transversalleitung (28) befindlich ist.
EP11757656.1A 2010-09-21 2011-09-20 Schutzschalter für eine hochspannungsstromleitung mit einer in einem verbindungskanal angeordneten insertionsvorrichtung Not-in-force EP2619782B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1057546A FR2965098B1 (fr) 2010-09-21 2010-09-21 Disjoncteur de ligne a haute tension comportant un dispositif d'insertion agence dans un conduit de liaison
PCT/EP2011/066286 WO2012038405A1 (fr) 2010-09-21 2011-09-20 Disjoncteur de ligne a haute tension comportant un dispositif d'insertion agence dans un conduit de liaison.

Publications (2)

Publication Number Publication Date
EP2619782A1 EP2619782A1 (de) 2013-07-31
EP2619782B1 true EP2619782B1 (de) 2014-06-18

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ID=43896899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11757656.1A Not-in-force EP2619782B1 (de) 2010-09-21 2011-09-20 Schutzschalter für eine hochspannungsstromleitung mit einer in einem verbindungskanal angeordneten insertionsvorrichtung

Country Status (3)

Country Link
EP (1) EP2619782B1 (de)
FR (1) FR2965098B1 (de)
WO (1) WO2012038405A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9064647B2 (en) * 2012-09-06 2015-06-23 Abb Technology Ag Contact alignment structure for high-voltage dead tank circuit breakers
US9105427B2 (en) * 2012-09-14 2015-08-11 Abb Technology Ag Telescoping current path structure for dual tank dead tank circuit breaker with parallel resistor assembly
CN104143469A (zh) * 2013-11-15 2014-11-12 国家电网公司 断路器合闸电阻脱扣机构及使用该机构的断路器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576526A (en) * 1978-12-01 1980-06-09 Hitachi Ltd Gas breaker
DE502007004867D1 (de) * 2007-09-10 2010-10-07 Abb Technology Ag Einschaltwiderstand für Hochspannungsleistungsschalter
CN101855694B (zh) * 2007-09-10 2014-04-23 Abb技术有限公司 具有用于接入合闸电阻的开关的高压功率开关

Also Published As

Publication number Publication date
FR2965098A1 (fr) 2012-03-23
EP2619782A1 (de) 2013-07-31
FR2965098B1 (fr) 2015-03-06
WO2012038405A1 (fr) 2012-03-29

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