EP1107272A2 - Disjoncteur hybride - Google Patents

Disjoncteur hybride Download PDF

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Publication number
EP1107272A2
EP1107272A2 EP00811069A EP00811069A EP1107272A2 EP 1107272 A2 EP1107272 A2 EP 1107272A2 EP 00811069 A EP00811069 A EP 00811069A EP 00811069 A EP00811069 A EP 00811069A EP 1107272 A2 EP1107272 A2 EP 1107272A2
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
hybrid circuit
chamber
quenching
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
EP00811069A
Other languages
German (de)
English (en)
Other versions
EP1107272B1 (fr
EP1107272A3 (fr
Inventor
Max Dr. Claessens
Klaus-Dieter Dr. Weltmann
Leopold Ritzer
Ekkehard Dr. Schade
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.)
ABB Technology AG
Original Assignee
ABB Technology AG
ABB T&D 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 ABB Technology AG, ABB T&D Technology AG filed Critical ABB Technology AG
Publication of EP1107272A2 publication Critical patent/EP1107272A2/fr
Publication of EP1107272A3 publication Critical patent/EP1107272A3/fr
Application granted granted Critical
Publication of EP1107272B1 publication Critical patent/EP1107272B1/fr
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
    • H01H33/60—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
    • 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

Definitions

  • the invention is based on a hybrid circuit breaker according to the preamble of claim 1.
  • a hybrid circuit breaker is known from the document EP 0 847 586 B1, which can be used in an electrical high-voltage network.
  • This hybrid circuit breaker has two quenching chambers connected in series, of which a first is filled with SF 6 gas as the quenching and insulating medium, and a second is designed as a vacuum interrupter.
  • the second quenching chamber is surrounded by SF 6 gas.
  • the main contacts of the two quenching chambers are actuated simultaneously via a lever mechanism by a common drive.
  • Both quenching chambers have a power current path in which the main contacts which are resistant to erosion lie, and in parallel a nominal current path, this nominal current path having only a single point of interruption.
  • the rated current path is always interrupted first, after which the current to be switched off commutates to the power current path. The power current path then continues the current until it is definitely switched off.
  • This hybrid circuit breaker burns when it is switched off Arcs that always occur in the vacuum interrupter, for example during the same period of time as in the gas-filled first Extinguishing chamber, which means that the main contacts of the Vacuum interrupter of a comparatively high and long continuous current load and associated with a high Wear are subject to what is comparatively common Requires revision work, whereby the Availability of the hybrid circuit breaker is limited.
  • This hybrid circuit breaker needs a comparatively high drive energy since, depending on that in the gas-filled first switching chamber used switching principle, the drive entirely or partially that for intensive blowing of the arc must generate the necessary high gas pressure. Such a special one powerful drive is comparatively expensive.
  • the first With this hybrid circuit breaker, the first becomes steep Rise in recurring voltage essentially from that second quenching chamber designed as a vacuum interrupter held.
  • the consolidation of the extinguishing section of the first The extinguishing chamber can therefore be relatively slow here done, which means that the blowing is the first Extinguishing chamber may be much less intense than in conventional circuit breakers.
  • the pressurized for blowing the arc Gases therefore have to use considerably less energy.
  • the advantages achieved by the invention are there too see that the hybrid circuit breaker at the same Power switching capacity with a much weaker and so that cheaper drive can be equipped.
  • the hybrid circuit breaker is in series with at least two switched, from a common drive or from separate Actuators operated with different extinguishing media filled quenching chambers, the quenching and Isoliermedium the first arcing chamber, the second arcing chamber isolating surrounds.
  • Means are provided, which at Switching off a technically meaningful voltage distribution ensure via the two quenching chambers.
  • means provided that a time when switching off Advance the movement of the first arcing chamber in relation to the Ensure movement of the second arcing chamber.
  • the extinguishing and insulating medium of A gas or a gas mixture is used in the first quenching chamber.
  • At least one vacuum interrupter is used as the second quenching chamber intended.
  • For the second arcing chamber can also other switching principles are used.
  • Embodiments of this hybrid circuit breaker 1 show a very simplified first Embodiment of a hybrid circuit breaker 1 in switched on state.
  • This hybrid circuit breaker 1 has two arcing chambers 2 and 3 connected in series, the mounted here extends along a common longitudinal axis 4 and are arranged concentrically to this. It is quite possible, the extinguishing chambers 2 and 3 in others Embodiments of this hybrid circuit breaker 1 different, angled longitudinal axes to arrange. It is even conceivable that the variant with angled longitudinal axes, these longitudinal axes not only in on one level or in two arranged parallel to each other Levels lie, but also that these levels are below cut at a constructively sensible angle.
  • the hybrid circuit breaker 1 is not one shown drive via a drive linkage 5, which electrically insulating material is driven.
  • a conventional energy storage drive can be provided for the drive become.
  • This variant is as particularly economical to look at and also makes it possible it, with simple means the contact speeds of the Hybrid circuit breaker 1 to the particular one adapt operational requirements.
  • a gear 6 is arranged, which the movements of the two quenching chambers 2 and 3 with each other linked and the movements are technically meaningful coordinated.
  • the drive linkage 5 is one of the quenching chambers 2 and 3 of the support isolator 7 carrying the hybrid circuit breaker 1 protected against environmental influences.
  • the post insulator 7 is pressure-tight on the ground side with the drive, not shown connected, on the extinguishing chamber side it is connected to a metallic one Provided flange 8 with a first metallic Connection flange 9 is screwed.
  • Via the connection flange 9 is the drive side of the arcing chamber 2 with the electrical network connected.
  • With the connecting flange 9 a first end flange 10 of an arcing chamber housing 11 screwed.
  • the arcing chamber housing 11 is cylindrical, designed pressure-tight and electrically insulating, it extends along the longitudinal axis 4 and surrounds the two Arcing chambers 2 and 3 and the transmission 6. Das The arcing chamber housing 11 faces the first end flange 10 opposite side a second metallic end flange 12 with a second metallic connection flange 13 is screwed. About the connecting flange 13 is the Drive facing away from the extinguishing chamber 3 with the electrical network connected. Between the end flange 12 and the connecting flange 13 becomes a metallic support plate 14 held.
  • the connecting flange 9 is rigid and electrically conductive connected to the cylindrical metallic Support tube 15, which is arranged concentrically to the longitudinal axis 4 is.
  • the support tube 15 has openings, not shown, the gas exchange between the interior of the support tube 15 and serve the remaining quenching chamber volume.
  • the drive side inner part of the support tube 15 serves as a guide for a Guide part 16, which is connected to the drive linkage 5 is and this supports against the support tube 15.
  • the Guide part 16 is designed so that it the stroke h1 of Drive linkage 5 limited when the hybrid circuit breaker 1 is in the off position.
  • the drive linkage 5 is front with a metallic Contact tube 17 connected, which is a first movable Power contact of the first arcing chamber 2 represents.
  • the Shaft of the contact tube 17 has openings, not shown on the gas exchange between the inside of the Contact tube 17 and the interior of the support tube 15 serve.
  • the Contact tube 17 is on the side facing away from the drive resilient erosion fingers 18 which are tulip-shaped are arranged. Enclose the erosion fingers 18 and contact a metal burn pin 19.
  • the Burn-off pin 19 is axial in the center of the arcing chamber 2 extends and axially movable. The burn pin 19 always moves opposite to the direction of movement of the Contact tube 17.
  • the erosion pin 19 represents the second movable power contact of the first arcing chamber 2.
  • the support tube 15 has on the side facing away from the drive a taper 20 and a guide section 21 that the Contact tube 17 leads.
  • the guide section 21 is on the inside Provided spiral contacts, not shown, the flawless current transfer from the support tube 15 to the Allow contact tube 17.
  • the nozzle holder 22 encloses a compression volume 24.
  • the compression volume 24 is driven by a Check valve 25 completed by the Leadership 21 is held.
  • the check valve 25 has a valve disc 26, which at an overpressure in Compression volume 24 in the exit of the compressed gas the common for the two quenching chambers 2 and 3 Extinguishing chamber volume 27 prevented.
  • Check valve 28 is provided, the valve disc 29 at an overpressure in the compression volume 24 the exit of the compressed gas from this compression volume 24 allowed.
  • nozzle holder 22 In the nozzle holder 22 is facing away from the drive Side an insulating nozzle 30 held.
  • the insulating nozzle 30 is arranged concentrically around the erosion pin 19.
  • the Contact tube 17, the nozzle holder 22 and the insulating nozzle 30 form a one-piece assembly.
  • the nozzle narrow is arranged immediately in front of the erosion fingers 18 and the Insulating nozzle 30 opens into the erosion fingers 18 opposite direction.
  • the nozzle holder 22 points to the On the outside, a thickening 31 designed as a contact point on. On this thickening 31 are switched on State of the arcing chamber 2 sliding contacts 32 on.
  • This Sliding contacts 32 are connected to a cylindrical trained metallic housing 33, which by a stationary metal guide member 34 held becomes.
  • the holding disc 37 can, however, also consist of one Metal be made if the dielectric conditions in allow this area.
  • This washer 37 is one Rack 38 screwed in, which is parallel to the longitudinal axis 4 extends and which operates the transmission 6.
  • the rack 38 is in engagement with two gears 39 and 40, it will by a support roller 41 against these gears 39 and 40 pressed.
  • In the shaft of the by the guide member 34th guided burn pin 19 is a toothed groove embedded, in which the gear 39 engages.
  • Another Support roller 42 presses the shaft of the erosion pin 19 against that Gear 39.
  • the gear 40 actuates one with it movably coupled lever 43 the second arcing chamber 3.
  • the Lever 43 is coupled to the connecting part 44, which electrically conductive with the movable contact 36 of the second Arcing chamber 3 is connected.
  • the second arcing chamber 3 is shown here schematically as Vacuum interrupter shown.
  • the arcing chamber 3 is from insulating medium, which is the common quenching chamber volume 27 fills, surround.
  • the arcing chamber 3 has a fixed one Contact 45 on the electrically conductive with the support plate 14 connected is.
  • the support plate 14 is used to fix the Extinguishing chamber 3.
  • the extinguishing chamber 3 has an insulating housing 46 on the inside of the arcing chamber 3 from Extinguish chamber volume 27 pressure-tight. Here it is Insulating housing 46 shown partially cut away.
  • the wall of the insulating housing 46 is covered with a resistance coating 47 provided. This, for those necessary when switching off Control the distribution of the recurring voltage across the Resistance coating 47 provided in both arcing chambers 2 and 3 can be on the inner or outer surface of the Insulating housing 46 may be applied. Through this cheap, very space-saving design of the resistance covering 47 the dimensions of the second arcing chamber 3 can be advantageous be kept small.
  • the ohmic resistance of the Resistance coating 47 is in the range between 10 k ⁇ and 500 k ⁇ , the resistance value of 100 k ⁇ proven.
  • FIG. 3 shows an embodiment of the second arcing chamber 3, which is designed here as a vacuum interrupter, in strong simplified representation.
  • This vacuum interrupter is with a cylindrical, electrically conductive Screen 49 provided, the switching residues of the Insulating housing 46 or keeps away from the resistance covering 47.
  • the Shield 49 is connected by means of an electrically conductive bridge 50 the potential center of the resistance coating 47 connected, it lies on it when it is switched off Potential.
  • the contacting of the bridge 50 with the Resistance coating 47 is carried out by means of a Resistance coating 47 applied conductive varnish.
  • the resistance coating 47 can be in strips on the inner or outer surface of the insulating housing 46 applied , but it can also cover the entire surface with the Resistance coating 47 may be coated.
  • the resistance covering 47 here has a matrix made of epoxy resin on, in which, evenly distributed, soot and spherical Glass particles are stored.
  • the soot serves as an electric one Head, with the amount of soot added, the Resistance value of the resistance coating 47 set.
  • the spherical glass particles serve as filler, they have the Task, the coefficient of expansion of the resistance coating 47th to match that of the insulating case 46 to avoid that the thermal expansion occurs Resistance coating 47 detaches from the insulating housing 46.
  • the Resistance covering 47 can be prefabricated and then in that Insulating housing 46 glued in or glued on the outside, but it can also be used as a paste on the respective surface of the Insulated housing 46 are applied and then cured, being very good on the material of the insulating housing 46 is liable.
  • the insulating housing 46 used here is made of one Ceramic material made, but there are also others Insulating materials imaginable. During the curing process then the insulating housing 46 is also heated.
  • the one used for the matrix of the resistance coating 47 Casting resin can be one of the groups of anhydride hardened Epoxy resins, unsaturated polyester resins, acrylic resins and the polyurethane resins. But it is also possible an electrically conductive silicone resin with accordingly conductivity set as resistance coating 47 to use.
  • the spherical fillers Glass particles have a diameter of 1 ⁇ m to 50 ⁇ m, with a good average distribution in the range between 10 ⁇ m and 30 ⁇ m. Spherical glass particles are advantageous used that already coated with an adhesion promoter are, because then the connection between the cast resin matrix and the spherical glass particles is particularly intimate, so that a very homogeneous resistance coating 47 is formed. In Combination with the spherical glass particles or without these are other mineral and other inorganic Fillers can be used.
  • the common quenching chamber volume 27 is filled with an electrically insulating, electronegative gas or gas mixture which serves both as the quenching medium for the first quenching chamber 2 and as the insulating medium.
  • the filling pressure is in the range from 3 bar to 22 bar, preferably 9 bar filling pressure is provided.
  • Pure SF 6 gas or a mixture of N 2 gas with SF 6 gas is used as the extinguishing and insulating medium.
  • the hybrid circuit breaker 1 When switched on, the hybrid circuit breaker 1 the current via the following, referred to as the nominal current path Current path: connecting flange 9, support tube 15, nozzle holder 22, Housing 33, guide part 34, line of action 35, connecting part 44, movable contact 36, fixed contact 45, Support plate 14 and connecting flange 13.
  • the hybrid circuit breaker 1 must be designed for comparatively high nominal currents, also parallel to the second quenching chamber 3, a separate, for high nominal currents to provide suitable nominal current path.
  • the drive moves that Contact tube 17 and with this the insulating nozzle 30 to the left.
  • the erosion pin 19 moves simultaneously with this movement driven by the rack 38 via the gear 39, in opposite direction to the right while the housing 33 and the guide member 34 remain stationary.
  • the Thickening 31 of the nozzle holder 22 from the Has separated sliding contacts 32 of the housing 33 is the above specified nominal current path is interrupted and the one to be switched off Current now commutates to the one inside Power track.
  • the power current path carries out following switch parts: connecting flange 9, support tube 15, Guide section 21, contact tube 17, erosion pin 19, Guide part 34, line of action 35, connecting part 44, movable contact 36, fixed contact 45, support plate 14 and connecting flange 13.
  • T v (t Libo min - t 1 ) ms.
  • t Libo min is the minimum possible arc time in ms for the gas-blown extinguishing chamber 2, which is determined by the network data of the respective place of use of the hybrid circuit breaker 1 and the properties of the hybrid circuit breaker 1, for example by its own time.
  • the time t 1 is in the range from 2 ms to 4 ms.
  • This time delay T v is forcibly generated by the transmission 6.
  • the second arcing chamber 3 also has a much smaller stroke h2 than the arcing chamber 2, as can be seen from FIG.
  • the check valve 25 prevents leakage of the compressed gas on that facing away from the insulating nozzle 30 Side of the compression volume 24 in the common Arcing chamber volume 27. Flow through the check valve 28 already a comparatively small amount of the compressed Gases in the arc room 48, if there are Allow pressure ratios.
  • the diameter of the throat the insulating nozzle 30, the diameter of the erosion pin 19, the at the beginning of the switch-off movement a substantial part this nozzle event, and also the outflow cross section through the erosion fingers 18, closes, and the inner diameter of the contact tube 17 are coordinated so that always enough gas or gas during the blowing of the arc Mixture of non-ionized and ionized gas from the Arc space 48 is discharged, so that there is only one in Compared to conventional circuit breakers essential can build up smaller gas pressure.
  • the level of this gas pressure is determined so that the outflow velocity from the Arc space 48 generally in the area below the Sound limit.
  • check valve 28 prevents the heated and pressurized gas flows into the compression volume 24 and can be saved there.
  • the heated and pressurized gas instead flows through the Interior of the contact tube 17 and the other through the Isolating nozzle 30 into the common quench chamber volume 27. Die
  • blowing of the arc only begins if the intensity of the arc and thus the pressure in the Arc space 48 has subsided to the extent that Check valve 28 can open, i.e. the pressure in Compression volume 24 is then higher than the pressure in the Arc room 48.
  • the extinguishing and insulating medium also flows into this case during the blowing of the arc with a Flow rate in the area below the Speed of sound lies.
  • the hybrid circuit breaker 1 is the arc space 48 of the first arcing chamber 2 is designed in such a way that there is very little dead volume, so none noteworthy storage of the arc itself pressurized gas can occur, and as a result no noteworthy support for the blowing of the arc done by self-generated pressurized gas, because only in this way is it possible to determine a flow velocity in the Subsonic area when blowing the arc too guarantee.
  • the extinguishing chambers 2 and 3 have extinguished the arc, occurs between the erosion fingers 18 and the erosion pin 19 the extinguishing chamber 2, or between the movable contact 36 and the fixed contact 45 arcing chamber 3 each Part of the recurring tension.
  • the switching distance of the Vacuum interrupter solidifies immediately after Always delete faster than the switching distance of one Gas switch, so that the vacuum interrupter at the beginning of the steep increase in recurring voltage the larger Will take part of this tension.
  • the division of the recurring voltage on two connected in series Extinguishing chambers is usually due to the own capacities of the determined both quenching chambers.
  • the comparatively high resistance of the resistance coating 47 which is arranged parallel to the second arcing chamber 3, precisely defined that the division of the recurring voltage on the two quenching chambers 2 and 3 in such a way that the larger part of the recurring voltage is applied to the second arcing chamber 3. Only then takes place in the further course of the switch-off process the first quenching chamber 2 the majority of the recurring voltage, which then the hybrid circuit breaker 1 applied in total. When the Hybrid circuit breaker 1 holds the first arcing chamber 2 predominant part of the applied voltage. In the Interpretation of this ohmic voltage control is based on it paid attention to the fact that in the second quenching chamber 3 in the increase of recurring voltage no reignitions occur can.
  • the hybrid circuit breaker 1 is in shown switched off state.
  • the Hybrid circuit breaker 1 When turning on the Hybrid circuit breaker 1 always closes the second one first Extinguishing chamber 3, namely without current being applied. This Advance in time is ensured by the gear 6. Only move after the second arcing chamber 3 is closed the two moving contacts of the power track the first arcing chamber 2 towards each other. If the Appropriate pre-ignition distance is reached Starting arc and closes the circuit. The two movable contacts of the power circuit Arcing chamber 2 continue to move towards each other until they move to contact. Only then is the nominal current path closed and takes over the further flow of current through the arcing chamber 2. The two movable contacts of the power track Fire chamber 2 move a little further until they have finally reached the final switch-on position.
  • a compression volume 24 for the generation of the for Blowing the arc of the necessary pressurized gas As the first quenching chamber 2, apart from the one described, a compression volume 24 for the generation of the for Blowing the arc of the necessary pressurized gas provided embodiment, further embodiments are used, such as: an extinguishing chamber with a separate-n storage volume for storing the through Arc support generated gas portion, which with the Compression volume interacts, or with an arcing chamber an only partially compressible storage volume for the Storage of the generated by arc support Gas fraction, or an extinguishing chamber with only a partial compressible blowing volume at which the pressurized Gas is generated entirely without arc support.
  • Hybrid circuit breaker 1 is the second arcing chamber 3 at Switch off also in relation to the first arcing chamber 2 opened with a time delay and when switched on closed temporarily, as already described. Furthermore, any of those described here Embodiments of the driving forces when switching off a differential piston are additionally supported. By this measure can easily meet the need mechanical drive energy further reduced and the drive be further reduced.

Landscapes

  • Circuit Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Control Of Eletrric Generators (AREA)
EP00811069A 1999-12-06 2000-11-13 Disjoncteur hybride Expired - Lifetime EP1107272B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19958646 1999-12-06
DE19958646A DE19958646C2 (de) 1999-12-06 1999-12-06 Hybridleistungsschalter

Publications (3)

Publication Number Publication Date
EP1107272A2 true EP1107272A2 (fr) 2001-06-13
EP1107272A3 EP1107272A3 (fr) 2003-03-19
EP1107272B1 EP1107272B1 (fr) 2006-10-18

Family

ID=7931525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00811069A Expired - Lifetime EP1107272B1 (fr) 1999-12-06 2000-11-13 Disjoncteur hybride

Country Status (6)

Country Link
US (1) US6437274B2 (fr)
EP (1) EP1107272B1 (fr)
JP (1) JP2001189119A (fr)
CN (1) CN1165931C (fr)
AT (1) ATE343218T1 (fr)
DE (2) DE19958646C2 (fr)

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Publication number Priority date Publication date Assignee Title
WO2003058661A1 (fr) * 2002-01-12 2003-07-17 Abb T & D Technologies Ltd. Systeme de coupe-circuit haute tension
EP1390961A1 (fr) * 2001-05-30 2004-02-25 ABB PATENT GmbH Commande d'au moins un trajet de commutation a vide

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DE10219299B3 (de) * 2002-04-25 2004-02-12 Siemens Ag Einpolig gekapselte und gasisolierte Schaltanlage
DE10355568B4 (de) * 2003-11-27 2011-04-07 Abb Ag Schaltgerät für den Mittel- und Hochspannungsbereich
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JP5127569B2 (ja) * 2008-05-29 2013-01-23 株式会社東芝 ガス絶縁開閉器
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US8039547B2 (en) * 2009-03-18 2011-10-18 Eaton Corporation Compositions for coating electrical interfaces including a nano-particle material and process for preparing
CN102779681B (zh) * 2012-08-03 2015-04-15 库柏(宁波)电气有限公司 一种真空断路器的操作方法
EP2924703B1 (fr) * 2012-11-21 2018-07-18 Mitsubishi Electric Corporation Interrupteur
US9054530B2 (en) 2013-04-25 2015-06-09 General Atomics Pulsed interrupter and method of operation
JP2015056239A (ja) * 2013-09-10 2015-03-23 株式会社東芝 開閉器
CN104112614A (zh) * 2014-01-03 2014-10-22 山东泰开高压开关有限公司 一种800kV断路器用绝缘拉杆的制作方式
DE102014213944A1 (de) 2014-07-17 2016-01-21 Siemens Aktiengesellschaft Elektrische Schaltvorrichtung für Mittel- und/oder Hochspannungsanwendungen
CN105679596B (zh) * 2016-03-31 2018-10-19 成都西沃克真空科技有限公司 一种超高电压真空绝缘装置
CN105788858B (zh) * 2016-04-19 2018-06-12 无锡市联达电器有限公司 Gis均压电容器
DK3465717T3 (da) * 2016-06-03 2020-10-26 Abb Schweiz Ag Gasisoleret lav- eller mellemspændingsbelastningsafbryder
DE102017207422A1 (de) * 2017-05-03 2018-11-08 Siemens Aktiengesellschaft Trennschalter
CN108666921A (zh) * 2018-05-22 2018-10-16 苏州天鸿电子有限公司 一种用于开关柜的灭弧元件
CN108766686B (zh) * 2018-06-05 2020-09-15 瑞安复合材料(深圳)有限公司 一种低表面电阻柔性绝缘材料及其制备方法
US11056296B2 (en) * 2019-11-20 2021-07-06 Eaton Intelligent Power Limited Circuit breaker using multiple connectors
JP7403664B2 (ja) * 2020-08-05 2023-12-22 三菱電機株式会社 真空バルブ
CN114093690B (zh) * 2021-11-12 2022-07-15 江苏宏达电气有限公司 一种单端驱动操作的断路器柜及工作方法
CN118098900B (zh) * 2024-04-28 2024-07-23 瑞睿电气(浙江)有限公司 一种交直流断路器灭弧装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1390961A1 (fr) * 2001-05-30 2004-02-25 ABB PATENT GmbH Commande d'au moins un trajet de commutation a vide
WO2003058661A1 (fr) * 2002-01-12 2003-07-17 Abb T & D Technologies Ltd. Systeme de coupe-circuit haute tension

Also Published As

Publication number Publication date
DE19958646A1 (de) 2001-07-05
EP1107272B1 (fr) 2006-10-18
US6437274B2 (en) 2002-08-20
US20010002665A1 (en) 2001-06-07
EP1107272A3 (fr) 2003-03-19
CN1165931C (zh) 2004-09-08
JP2001189119A (ja) 2001-07-10
ATE343218T1 (de) 2006-11-15
DE50013629D1 (de) 2006-11-30
DE19958646C2 (de) 2001-12-06
CN1299144A (zh) 2001-06-13

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