WO2015028349A1 - Disjoncteur de puissance à haute tension - Google Patents

Disjoncteur de puissance à haute tension Download PDF

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Publication number
WO2015028349A1
WO2015028349A1 PCT/EP2014/067636 EP2014067636W WO2015028349A1 WO 2015028349 A1 WO2015028349 A1 WO 2015028349A1 EP 2014067636 W EP2014067636 W EP 2014067636W WO 2015028349 A1 WO2015028349 A1 WO 2015028349A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
rated current
circuit breaker
voltage circuit
current contact
Prior art date
Application number
PCT/EP2014/067636
Other languages
German (de)
English (en)
Inventor
Thomas Chyla
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2015028349A1 publication Critical patent/WO2015028349A1/fr

Links

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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/904—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism characterised by the transmission between operating mechanism and piston or movable contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/38—Plug-and-socket contacts
    • H01H1/385—Contact arrangements for high voltage gas blast circuit breakers
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • 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
    • H01H2033/028—Details the cooperating contacts being both actuated simultaneously in opposite directions
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas

Definitions

  • the invention relates to a high-voltage circuit breaker, in particular a high-voltage circuit breaker with self-compression system, with the features according to the preamble of claim 1.
  • a high-voltage circuit breaker is known from German patent DE 196 22 460 C2.
  • the previously known high-voltage power switch has a first arcing contact and a first rated current contact on a first side of the switch.
  • a switching arc can burn when the high-voltage circuit breaker is switched off; the rated current contacts serve in the switched state of the high-voltage circuit breaker for power management.
  • a drive element is arranged in the form of a drive rod which moves the first arcing contact and the first rated current contact in the direction of the second arcing contact and the second rated current contact for switching on the high-voltage circuit breaker and for switching off the high-voltage circuit breaker the first arcing contact and the first Rated current contact away from the second arcing contact and the second rated current contact.
  • the first rated current contact is a tubular contact and the second rated current contact is a spring contact.
  • the drive element is connected via an insulating nozzle of the high-voltage circuit breaker to a transmission which, in the event of movement of the drive element arranged on the first switch side, leads to an opposite movement of the second arcing contact on the second switch side.
  • the first switch side of the high-voltage circuit breaker thus forms a drive side, which is a switching on or off of the high-voltage circuit circuit breaker causes; the second switch side is merely moved in the case of a movement of the first switch side due to the transmission on the second side switch and thus forms a passive or driven switch side of the high voltage circuit breaker.
  • the object of the invention is to optimize a high-voltage circuit breaker of the previously known type with regard to the mechanical structure, in particular the weight distribution.
  • the invention provides that the first rated current contact is a spring contact and the second rated current contact is a tubular contact.
  • a significant advantage of the high-voltage circuit breaker according to the invention is the fact that it has a particularly favorable weight distribution.
  • Spring contacts are by design generally heavier than tubular contacts, so that by the execution of the first rated current contact as a spring contact and the execution of the second rated current contact as a tubular contact Nennstrom- contact weight - compared with the above-described prior art high-voltage circuit breaker - from the second switch side to the first Switch side or is shifted to the drive side.
  • the second rated current contact on the second switch side is moved by means of a second switch side gear which is coupled to the drive element arranged on the first switch side or drive side, this is weight of the rated current contact to be moved by the transmission in the embodiment according to the invention less than in the previously described, known Hochtens orientals- switch.
  • a gear arranged on the second switch side can thus be made less stable, so that the manufacturing costs decrease.
  • the second rated current contact on the second switch side influences the field strength distribution when the high-voltage power switch is switched on and off or at the same time operates as an electrode; Accordingly, it is considered advantageous if the second rated current contact has an annular circumferential thickening at its contact end facing the first rated current contact or is bead-shaped.
  • the annular circumferential thickening of the second rated current contact extends radially inwardly.
  • the second rated current contact is guided in a stationary guide tube which coaxially surrounds the second rated current contact. Also with regard to the design of the guide tube, it is considered advantageous if this is used to influence the field distribution of the electric field or works as an electrode; Accordingly, it is considered advantageous if the guide tube has an annular circumferential thickening or is bead-shaped at its contact end facing the first rated current contact.
  • the annular circumferential thickening of the guide tube extends radially outward.
  • the contact end of the second rated current contact has - in longitudinal section along the direction of movement of the arcing contacts and rated current contacts - preferably a semicircular Surface contour, which is convex in the direction of the first rated current contact.
  • the second rated current contact has a contact ring at its contact end facing the first rated current contact, which consists of a more erosive material than the remaining material of the second rated current contact or exists as at least one of the remaining materials of the second rated current contact.
  • the drive element by means of a transmission element and a transmission in addition to the second rated current contact in conjunction and this moves when switching the high-voltage circuit breaker in the direction of the first rated current contact and when turning off the high-voltage circuit breaker of the first Nennstromkon- moved away.
  • the transmission element between the drive element and the transmission may, for example, contain or be formed by an insulating nozzle of the high-voltage circuit breaker.
  • the insulating nozzle preferably surrounds the contact ends of the two arcing contacts coaxially.
  • the drive element additionally communicates with the second arcing contact by means of a transmission element and a gear and moves the same when the high-voltage circuit breaker is switched on in the direction of the first arcing contact and moves away from the first arcing contact when the high-voltage circuit breaker is switched off.
  • the rated current contact is fixed and stops in the case of a movement of the second arcing contact.
  • the drive element is connected via a transmission element and a gear both with the second arcing contact and with the second rated current contact and these by means of the transmission element and the transmission when switching the high-voltage circuit breaker in Moved direction of the first arcing contact and the first rated current contact and moved away when switching off the high-voltage circuit breaker from the first arcing contact and the first rated current contact.
  • the transmission may for example be designed such that it moves in the case of a drive by the drive element, the second rated current contact faster than the second arcing contact.
  • the transmission is designed such that it moves in the case of a drive by the drive element, the second rated current contact slower than the second arcing contact.
  • the transmission is designed such that, in the case of a drive by the drive element, it moves the second rated current contact and the second arcing contact at the same speed.
  • Figure 1 shows an embodiment of a high-voltage circuit breaker according to the invention, in which a drive element located on a first switch side mitbei indirectly via a transmission located on the second switch side Nennstromtool and a located on the second switch side arc contact mitbe, wherein the movement speeds of
  • 2 shows an exemplary embodiment of a high-voltage power switch according to the invention, in which a drive element located on a first switch side also indirectly moves a rated current contact located on the second switch side and an arc contact located on the second switch side, wherein the movement speeds of the rated current contact and of the arcing contact on the second Switch side are different,
  • FIG. 3 shows an exemplary embodiment of a high-voltage power switch according to the invention, in which a drive element located on a first switch side also indirectly moves an arc contact located on the second switch side, the rated current contact remaining on the second switch side
  • FIG. 4 shows an exemplary embodiment of a high-voltage circuit breaker according to the invention, FIG. in which a switching on and off is effected only by a movement of the rated current contact and of the arcing contact, which are arranged on the first switch side with the drive element
  • Figure 5 shows a preferred embodiment for the contact end of a tubular rated current contact
  • Figure 6 shows a further preferred embodiment of the
  • Figure 7 shows another embodiment of a preferred embodiment of the contact end of a tubular rated current contact, wherein in the region of Contacting a contact ring is arranged with a particularly erosion-resistant material.
  • FIG. 1 shows an exemplary embodiment of a high-voltage circuit breaker 10, on the first switch side 11, a first rated current contact 21 and a first arcing contact 31 are arranged.
  • the first rated current contact 21 and the first arcing contact 31 are brought to connect the high voltage circuit breaker 10 with a second rated current contact 22 and a second arcing contact 32, which are arranged on a second switch side 12 of the high voltage circuit breaker 10.
  • the first rated current contact 21 is formed by a spring contact, which may, for example, be a finger contact or a contact spring spring contact.
  • the second rated current contact 22 on the second switch side 12 is designed tubular and can therefore also be referred to as pipe contact.
  • a drive element 40 For switching on and off of the high-voltage circuit breaker 10 is a drive element 40, which may be formed for example by a ne drive rod.
  • the drive element 40 is arranged on the first switch side 11 and is moved by a drive 50 arranged on the first switch side 11, which is shown only schematically in FIG.
  • the drive element 40 is connected via a transmission element 60, which is formed in the embodiment of Figure 1 by an insulating nozzle 61 of the high-voltage circuit breaker 10, with a located on the second switch side 12 Gear 70 coupled.
  • the transmission 70 in turn is mechanically connected both to the second rated current contact 22 and to the second arcing contact 32.
  • the first switch side 11 forms a drive side of the high-voltage power switch 10; the second switch side 12 forms an only indirectly driven and even drive-free side, because a movement of the second rated current contact 22 and the second arcing contact 32 takes place only by means of the passive transmission 70, which is actively driven by the drive element 40 from the first switch side 11 (drive side) becomes .
  • the second one is
  • the drive 50 is activated, which moves the drive element 40 to the right along the direction of the arrow R in FIG.
  • Both the first rated current contact 21 and the first arcing contact 31 are coupled to the drive element 40, so that movement of the drive element 40 along the direction of the arrow R to the right also simultaneously movement of the first rated current contact 21 and the first arcing contact 31 in the direction of the second rated current contact 22 and the second arcing contact 32 causes.
  • Transmission element 60 also transmitted to the transmission 70, due to its mechanical connection or mechanical coupling with the second rated current contact 22 and the second Arcing contact 32 causes a movement of the second rated current contact 22 and a movement of the second arcing contact 32 along the arrow direction L to the left.
  • the contact end 200 of the second rated current contact 22 is preferably designed such that the electric field is selectively influenced or controlled when the high-voltage circuit breaker 10 is switched on and off.
  • Advantageous embodiments of the contact end 200 of the second rated current contact 22 are shown in FIGS. 5 to 7 and, in connection with these FIGS. 5 to 7, will be explained in greater detail below.
  • the pipe end 81 of the guide tube 80 is formed for influencing the field line and designed accordingly at its pipe end 81.
  • Advantageous embodiments of the pipe end 81 are also shown and explained in connection with FIGS. 5 to 7.
  • FIG. 2 shows an exemplary embodiment of a high-voltage circuit breaker 10, which corresponds structurally to the high-voltage circuit breaker 10 according to FIG.
  • a differently configured gear 71 is provided instead of the gear 70, in which the gear ratios for the second rated current contact 22 and the second arcing contact 32 are different.
  • the second rated current contact 22 has a different motion velocity Vn along the direction of the arrow L to the left will have as the second arc contact 32.
  • Vn + VI VI.
  • the transmission 71 may be configured such that the movement speed Vn of the second rated current contact 22 is greater than the movement speed VI of the second
  • FIG. 3 shows an exemplary embodiment of a high-voltage circuit breaker 10 structurally similar to the high-voltage circuit breakers according to FIGS Figures 1 and 2 corresponds.
  • a gear 72 which differs from the gears 70 and 71 of the exemplary embodiments according to FIGS. 1 and 2.
  • the gear 72 is configured such that it is coupled only to the transmission element 60 or the insulating nozzle 61 and to the second arcing contact 32. There is no mechanical coupling or connection to the second rated current contact 22.
  • the transmission element 60 or the insulating nozzle 61 will likewise move to the right, which due to the mechanical coupling of the transmission 72 with the second arcing contact 32 will lead to a movement of the second Arcing contact 32 along the direction of the arrow L will lead to the left.
  • the second rated current contact 22 remains due to lack of coupling to the gear 72. Since the second rated current contact 22 is not moved in the embodiment of Figure 3, can be dispensed with a guide by a radially outer guide tube. The guide tube 80 shown in FIG. 3 can therefore also be omitted.
  • FIG. 4 shows an exemplary embodiment of a high-voltage circuit breaker 10, in which the drive element 40 is coupled only to the first rated current contact 21 and the first arcing contact 31.
  • Movement of the drive member 40 would implement in a movement of the second rated current contact 22 and / or the second arcing contact 32 is absent in the embodiment of Figure 4 without replacement.
  • Switching on and off of the high-voltage circuit breaker 10 is thus carried out in the embodiment shown in Figure 4 thus only by a movement of the first rated current contact 21 and the first arcing contact 31 due to the drive by the drive element 40; the second rated current contact 22 and the second arcing contact 32 remain stationary.
  • FIG. 5 shows an exemplary embodiment of a particularly preferred embodiment of the contact end 200 of the second
  • FIG. 5 shows the contact end 200 along a longitudinal section along the relative direction of movement B of the first switch side 11 relative to the second switch side 12 or along the directions of movement R and L according to FIG Figures 1 to 4.
  • the contact end 200 on its the first rated current contact 21 (see Figures 1 to 4) facing side has a semi-circular surface 210 which is convex or in the direction of the first rated current contact 21 to the outside is arched.
  • the electric field between the second rated current contact 22 and the first rated current contact 21 can be influenced in a particularly advantageous manner.
  • the tube end 81 of the guide tube 80 is also configured with regard to an optimal field distribution. It can be seen that the tube end 81 is equipped with an end flank 82 which extends at least in sections transversely or perpendicularly away from the second rated current contact 22.
  • FIG. 6 shows a further exemplary embodiment of a particularly preferred embodiment of the contact end 200 of the second rated current contact 22 in the high-voltage circuit breakers according to FIGS. 1 to 4. It can be seen in FIG. 6 that the contact end 200 has an annular, radial is provided inwardly extending thickening 220, which has at least partially a circular contour in the longitudinal section shown in the figure 6.
  • FIG. 6 furthermore shows another embodiment of the tube end 81 of the guide tube 80. It can thus be seen that the tube end 81 is provided with an outward-extending thickening 83. The extension direction of the thickening 83 is thus opposite to the extension direction of the thickening 220 of the contact end 200.
  • FIG. 7 shows an exemplary embodiment of a contact end 200 of the second rated current contact 22, in which a contact ring 230 is provided, which faces the first rated current contact 21.
  • the contact ring 230 consists of another, erbrandfesteren material Ml than the remaining material M2 of the second rated current contact 22nd
  • the shape of the contact ring 230 is preferably such that it has a semicircular surface 210 which is convex or curved in the direction of the first rated current contact 21 to the outside.
  • the shape of the surface 210 thus preferably corresponds to the shape of the surface, as has already been explained in connection with Figure 5.
  • the tube end 81 of the guide tube 80 is provided with an outwardly extending thickening 83, as has already been explained in connection with FIG. Only the shape of the thickening 83 is chosen differently. It can be seen that the thickening 83 in the longitudinal section according to FIG. 7 has an at least approximately semicircular contour 84. A rectilinear end edge 82, as can be seen in the exemplary embodiments according to FIGS. 5 and 6, is therefore not present in the exemplary embodiment according to FIG.

Landscapes

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

Abstract

L'invention concerne un disjoncteur de puissance à haute tension (10) comportant un premier contact d'arc (31) et un premier contact de courant nominal (21) sur un premier côté (11) du disjoncteur qui forme un côté de commande du disjoncteur, un second contact d'arc (32) et un second contact de courant nominal (22) sur un second côté (12) du disjoncteur qui n'est pas directement commandé ou qui n'est directement commandé que depuis le premier côté, un arc de commutation pouvant brûler entre les contacts d'arc lors de la coupure et les contacts de courant nominal étant conducteurs de courant lorsque le disjoncteur de puissance à haute tension est mis en circuit, et un élément de commande (40) qui est disposé sur le premier côté du disjoncteur et qui déplace le premier contact d'arc et le premier contact de courant nominal en direction du second contact d'arc et du second contact de courant nominal pour mettre en circuit le disjoncteur de puissance à haute tension du circuit (10) et qui écarte le premier contact d'arc et le premier contact de courant nominal du second contact d'arc et du second contact de courant nominal pour mettre hors circuit le disjoncteur de puissance à haute tension. Selon l'invention, le premier contact de courant nominal (21) est un contact à ressort et le second contact de courant nominal (22) est un contact tubulaire qui est poussé sur le contact à ressort ou inséré dans le contact à ressort.
PCT/EP2014/067636 2013-08-30 2014-08-19 Disjoncteur de puissance à haute tension WO2015028349A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013217337.7 2013-08-30
DE201310217337 DE102013217337A1 (de) 2013-08-30 2013-08-30 Hochspannungsleistungsschalter

Publications (1)

Publication Number Publication Date
WO2015028349A1 true WO2015028349A1 (fr) 2015-03-05

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ID=51518747

Family Applications (1)

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PCT/EP2014/067636 WO2015028349A1 (fr) 2013-08-30 2014-08-19 Disjoncteur de puissance à haute tension

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DE (1) DE102013217337A1 (fr)
WO (1) WO2015028349A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19622460C2 (de) 1996-05-24 1998-04-02 Siemens Ag Hochspannungs-Leistungsschalter mit zwei antreibbaren Schaltkontaktstücken
JP2003109479A (ja) * 2001-09-28 2003-04-11 Toshiba Corp ガス遮断器
US20110036813A1 (en) * 2009-08-17 2011-02-17 Ls Industrial Systems Co., Ltd. Gas insulation circuit breaker with structure for decreasing friction
EP2343720A1 (fr) * 2010-01-12 2011-07-13 ABB Technology AG Commutateur à haute tension isolé du gaz
EP2402969A1 (fr) * 2010-07-01 2012-01-04 Alstom Grid SAS Chambre de coupure pour disjoncteur à moyenne ou haute tension à énergie de manoeuvre réduite

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1525229A (en) * 1974-10-01 1978-09-20 Reyrolle Parsons Ltd High-voltage circuit-interrupters
FR2491675A1 (fr) * 1980-10-07 1982-04-09 Alsthom Atlantique Dispositif de coupure a double mouvement des contacts
DE3736835A1 (de) * 1987-10-30 1989-05-11 Bbc Brown Boveri & Cie Hochspannungsschalter
EP2063442A1 (fr) * 2007-11-20 2009-05-27 ABB Technology AG Commutateur de puissance à conducteurs flexibles
DE102009009452A1 (de) * 2009-02-13 2010-08-19 Siemens Aktiengesellschaft Schaltgeräteanordnung mit einer Schaltstrecke

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19622460C2 (de) 1996-05-24 1998-04-02 Siemens Ag Hochspannungs-Leistungsschalter mit zwei antreibbaren Schaltkontaktstücken
JP2003109479A (ja) * 2001-09-28 2003-04-11 Toshiba Corp ガス遮断器
US20110036813A1 (en) * 2009-08-17 2011-02-17 Ls Industrial Systems Co., Ltd. Gas insulation circuit breaker with structure for decreasing friction
EP2343720A1 (fr) * 2010-01-12 2011-07-13 ABB Technology AG Commutateur à haute tension isolé du gaz
EP2402969A1 (fr) * 2010-07-01 2012-01-04 Alstom Grid SAS Chambre de coupure pour disjoncteur à moyenne ou haute tension à énergie de manoeuvre réduite

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TODA H ET AL: "DEVELOPMENT OF 550KV 1-BREAK GCB (PART 2) Ö - DEVELOPMENT OF PROTOTYPE -", IEEE TRANSACTIONS ON POWER DELIVERY, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 8, no. 3, 1 July 1993 (1993-07-01), pages 1192 - 1198, XP000403113, ISSN: 0885-8977, DOI: 10.1109/61.252644 *

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