EP3928344B1 - Optimierter dreistellungsschalter - Google Patents

Optimierter dreistellungsschalter Download PDF

Info

Publication number
EP3928344B1
EP3928344B1 EP20718152.0A EP20718152A EP3928344B1 EP 3928344 B1 EP3928344 B1 EP 3928344B1 EP 20718152 A EP20718152 A EP 20718152A EP 3928344 B1 EP3928344 B1 EP 3928344B1
Authority
EP
European Patent Office
Prior art keywords
contact
current path
control means
moving
moving contact
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.)
Active
Application number
EP20718152.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3928344A1 (de
Inventor
Stefan Hohmann
Daniel Pesch
Martin RATKA
Rene Zlydnik
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP3928344A1 publication Critical patent/EP3928344A1/de
Application granted granted Critical
Publication of EP3928344B1 publication Critical patent/EP3928344B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H33/121—Load break switches
    • H01H33/122—Load break switches both breaker and sectionaliser being enclosed, e.g. in SF6-filled container
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing switches

Definitions

  • the invention relates to a switchgear, in particular for medium and/or high voltages, with an optimized three-position switch and an optimized three-position switch.
  • Load-break switches must be able to conduct and switch off the nominal current of an electrical network, whereby a defined insulating distance must be maintained in the "off" switching state.
  • the load-break switch must also carry the rated and short-time current, switch on the short-circuit current and be able to extinguish the switching arc.
  • the performance of the load-break switch is essentially defined by the rated voltage, the rated current and the rated current (to be switched).
  • the three-position switch has a main current path and an auxiliary current path parallel to the main current path.
  • the auxiliary current path provides an arc quenching device with arc quenching contacts, of which at least one arc quenching contact is a moving arc quenching contact.
  • the main current path has a contact system of moving contacts, a first moving contact, a second moving contact and fixed contacts, a first main current path fixed contact, a second main current path fixed contact, an auxiliary current path fixed contact and a fixed earth contact.
  • the moving contacts are arranged on a common axis of rotation between the fixed contacts, with the moving contacts being rotatable through the axis of rotation and at least the second moving contact being movably mounted in such a way that the movement of the second moving contact can be controlled and moved via a first control means in addition to the movement of the axis of rotation .
  • the moving contacts are designed to contact the fixed contacts and establish a current path between different fixed contacts.
  • the DE 695 17 740 T2 discloses a load or circuit breaker with a vacuum interrupter in an auxiliary current path.
  • the classic structures have disadvantages in terms of insulation, installation space, drive design, cost position and other parameters.
  • the object of the invention is to eliminate the disadvantages of the prior art and to provide a switchgear with a three-position switch and a three-position switch.
  • the first moving contact is firmly connected to the axis of rotation or the first control means and thus always moves synchronously with the axis of rotation or the first control means.
  • the second control means together with the first control means causes the third control means to cause the arc extinguishing moving contact to move in different directions of rotation about the axis of rotation by the first control means and the second control means to different positions of the first moving contact.
  • first control means with a first control profile and the second control means with a second control profile control the position and movement of the third control means via a third control profile arranged on the third control means.
  • the interlocking of the control profiles enables a complex sequence of movements of the first moving contact and the second moving contact without unnecessarily increasing the complexity of the drive.
  • the movement of the second moving contact is controlled or can be controlled by a control pin in or along a curved path in or on the first control means.
  • the arc extinguishing device is a vacuum interrupter, in particular a vacuum load interrupter.
  • insulating gas is SF6
  • SF6 contains SF6 or is different from SF6.
  • SF6 or a gas mixture containing SF6 or an insulating gas other than SF6 is usable or is used.
  • the insulating gas contains fluoroketones and/or fluoronitriles and/or fluorinated compounds and/or nitrogen and carbon dioxide or contains for the most part or is made up of at least 95% nitrogen and carbon dioxide.
  • the moving arc-extinguishing contact has a recess on a bolt of the moving arc-extinguishing contact, into which a lever of the third control means engages, and a contact strip in the area of the recess in the moving bolt of the vacuum interrupter is designed as a resilient, prestressed clip.
  • the contact strip electrically conductively connects the bolt of the arc-extinguishing moving contact to the auxiliary current path fixed contact.
  • the contact strip engages both planar surfaces of the bolt, between which two planar surfaces of the bolt the lever of the third control means engages, with a defined or definable prestressing force.
  • the lever is located within the clamp geometry. When operated, the lever force always acts on the bolt of the vacuum interrupter via the contact strip, which forms a current strip or part of a current strip.
  • control electrodes are arranged in such a way that a dielectric strength at the contacts assigned to the control electrodes is increased.
  • control electrodes are formed of a conductive material and coated with an insulating layer. This increases the dielectric strength of the commutation gap and also ensures that no pre-ignition arc is ignited on one of the control electrodes during switch-on.
  • the first moving contact is designed as a first moving contact that is widened at an end pointing away from the axis of rotation in such a way that the widened first moving contact touches both the main current path fixed contact and the auxiliary current path fixed contact at the same time during a transition between the first main current path fixed contact and auxiliary current path fixed contact, i.e electrically contacted.
  • the widened first moving contact has one or more slits, in particular longitudinal slits, at least on the end pointing away from the axis of rotation, so that the first moving contact when driving onto or leaving the first main current path fixed contact and/or second main current path fixed contact and/or auxiliary current path fixed contact is less stiff and prevents or reduces bouncing of the first moving contact when driving onto the first main current path fixed contact.
  • a further exemplary embodiment relates to a switchgear, in particular medium or high-voltage switchgear, with a three-position switch according to one of the above statements.
  • the switchgear is designed as a gas-insulated switchgear, with SF6 or a gas mixture with SF6 or an insulating gas different from SF6 being usable or being used as the insulating gas.
  • the exemplary embodiment describes a switching principle of a load-break switch, in particular a load-break switch in an SF6-free environment, in which a vacuum load-breaking tube is preferably used as the arc-extinguishing device.
  • the required isolating distance is established via a knife system, the moving contacts in the main current path, in the gas space.
  • the vacuum interrupter should only be used to interrupt the current and extinguish the arc during a switch-off.
  • the opening of the vacuum tube ie the opening of the arc-extinguishing contacts of the arc-extinguishing device, is kinematically initiated and the current is switched off.
  • the first moving contact moves on one of the auxiliary current path fixed contacts associated with the arc-extinguishing moving contact of the vacuum tube, a sliding contact, such as the first main current path fixed contact, the second main current path fixed contact and the ground fixed contact.
  • the vacuum tube is only loaded with current for the short time that it is switched off.
  • the switch-on strength and continuous current carrying capacity is guaranteed via the main current path, which, as previously known, uses a moving knife system, the moving contacts, and two fixed contacts, the first main current path fixed contact and the second main current path fixed contact, is designed for the busbar and the outgoing cable connection.
  • the vacuum tube opening is kinematically controlled by a first control means and a second control means, e.g.
  • the moving bolt of the vacuum tube which is connected to the arc-extinguishing moving contact that performs the lifting movement, consists preferably at the interface to the lever of a one-piece rod with a groove, or a taper or constriction, into which the lever engages. This saves additional components and results in a cost-effective and reliable mechanical connection.
  • the moving bolt is electrically connected to the auxiliary current path fixed contact via a flexible current strip.
  • current straps are bolted to the vacuum tube studs.
  • the auxiliary current path is subject to lower requirements in terms of electrical conductivity.
  • the current strip in the area of the puncture in the moving bolt of the vacuum interrupter is designed as a spring-loaded, prestressed clamp and contacts both planar surfaces of the bolt with a defined prestressing force.
  • the lever is located within the clamp geometry. When it is actuated, the lever force always acts on the bolt of the vacuum tube via the current strip. During actuation, this increases the pressing force of the current-carrying parts on one another and thus improves the electrical contact.
  • This connection described has the advantage of quick, simple but also error-free assembly. It decouples the power strip from the rotational alignment of the vacuum tube around its own axis and therefore requires no additional measures to prevent the power strip from warping.
  • the second control center e.g. B. a flap, provided as an extension of the first control means, the cam, which comes into effect only when switched on, and lengthens the cam.
  • this flap is pivoted away from the kinematic function by the lever.
  • the earth position can be reached by switching to the "OFF" position. This results in a switch with the known three switching positions on / off / earth.
  • the commutation of the current flow from the main current path to the secondary current path, as described for switching off, should take place without interruption.
  • Control electrodes arranged on the contacts increase the dielectric strength of the contacts to one another.
  • the conductive control electrodes are additionally coated with an insulating layer. This increases the dielectric strength of the commutation gap and also ensures that no pre-ignition arc is ignited on one of the control electrodes during switch-on.
  • a widened first moving contact is suitable for an uninterrupted commutation from the first main current path fixed contact to the auxiliary current path fixed contact, i.e. for example from the busbar contact to a fixed auxiliary contact, i.e. for example a widened switching blade, which is geometrically capable of briefly contacting both contacts simultaneously.
  • the contact pressure of the switch blades on the auxiliary current path fixed contact should be lowered to reduce wear.
  • This can be a thinner design of the auxiliary current path fixed contact compared to the first main current path fixed contact, the second main current path fixed contact and the Ground contact or via a separate contact point with less contact pressure.
  • the contact can also be made radially or from the outside to the moving contacts.
  • the auxiliary current path fixed contact can be designed to be movable. This has the advantage that the switch blade can be made narrower and the auxiliary current path fixed contact can be made more compact. Depending on the overall design of the switching device, this can lead to a smaller design.
  • the auxiliary current path fixed contact must be moved together with the switch blade during a switch-off until the vacuum tube has switched off the current. The design must be such that the distance between the auxiliary contact and the switch blade increases sufficiently quickly in relation to the busbar contact in order to withstand the overvoltages that occur during opening.
  • the first moving contact e.g. the corresponding switching blade
  • the first moving contact is long for mechanical decoupling of the two moving contact contact surfaces of the first moving contact, i.e. in relation to the circular movement of the Switch blade radial, slotted.
  • the first moving contact is pre-aligned via the auxiliary current path fixed contact before it moves onto the busbar contact.
  • the widening of the first moving contact while driving over and leaving the auxiliary current path fixed contact has no expansion due to the longitudinal slit relevant influence on the opening of the first moving contact / switching on the first main current path fixed contact, the busbar contact.
  • the contact pressure force and the impact dynamics on the first main current path fixed contact behave independently of the contacting with the secondary current path fixed contact.
  • the switching device must implement the three switching positions on / off / earth and provide a dynamic intermediate position for switching off the power. At the same time, it requires greater voltage clearances than SF6-insulated switchgear.
  • the moving contacts are centrically rotating and double-breaking.
  • the moving contacts include a joint to enable buckling, and thus an optimal distribution of space, but also different movement sequences of the individual moving contacts.
  • the first moving contact that undergoes the commutation is directly connected to the axis of rotation, the main rotor.
  • the second moving contact also referred to as the secondary switching blade, should remain on the second main current path fixed contact, e.g. the cable outgoing contact, during a switch-off until after the current flow has been switched off. Only then should the second moving contact be engaged and follow the movement of the axis of rotation, the main rotor.
  • This control is realized through the interaction of a control pin and at least two cam tracks.
  • One of the cam tracks is located on a stationary component, such as a support structure, such as a partition.
  • the second cam track is located on the first control means, which is rigidly connected to the main rotor.
  • the two cam tracks each have an individual course, are arranged next to each other in parallel planes and always form a common overlap in which the control pin is located.
  • the movement of one of the components causes the cam tracks to move relative to one another. Due to the relative movement, the common intersection is shifted as desired according to the design of the curved paths.
  • the course of the cam tracks can be designed in such a way that the joint overlap of the cam tracks stands still, makes its own movement, or moves exactly with the moving component.
  • the control pin always follows the joint intersection and can be used to take, move or stop another component yourself. This allows any component to be coupled in and out of the main rotor.
  • the control bolt moves the second moving contact.
  • a radially arranged elongated hole is introduced in the second moving contact around the control pin.
  • the cam disk control is symmetrically mirrored or doubled around the phase center.
  • the advantage of the switching kinematics described lies in particular in the use of a cost-effective vacuum load interrupter that is not switch-proof and is only designed for switching off. There are no or only low requirements for the tube in terms of switch-on strength, surge current conditions or even continuous current carrying capacity. The current flow is limited in the auxiliary current path only to the short period of power extinction. As a result, the use of copper can be reduced in the auxiliary current path, which in turn brings cost advantages.
  • the arrangement of the first control means, the flap, in the second control means, the main rotor, which varies the kinematics between switching on and off, enables a simple and compact design and a dielectrically interference-free accommodation of a return spring on the electrical potential of the moving contacts.
  • Another advantage of the lack of surge current requirements is a very low tube pressure force. As a result, the corresponding kinematics can be significantly simpler and cheaper.
  • the joint between the moving contacts, ie, for example, the switch blade assembly, in combination with the cam track control of the second moving contact, despite only one drive movement, allows different movement states of the moving contacts depending on the switching angle. This enables previously contradictory states of motion of moving contacts, thereby optimal distribution and utilization of installation space as well as double interruption and maximization of the dielectric strength of the isolating distance.
  • the figure 1 shows on the left side an equivalent circuit diagram of a three-position switch 5 with the main current path 10, the auxiliary current path 15, the first main current path fixed contact 50, the second main current path fixed contact 60, the auxiliary current path fixed contact 70, the earth fixed contact 80 and the arc quenching device 150, here a vacuum interrupter.
  • the three-position switch 5 has a secondary current path consisting of the arc extinguishing device 150, with the arc-extinguishing contacts 160, the arc-extinguishing fixed contact 163, the arc-extinguishing moving contact 165, the contact strip 170 between the arc-extinguishing moving contact 165 and the auxiliary current-path fixed contact 70 and the auxiliary current-path fixed contact 70.
  • the three-position switch 5 also has a first main current-path fixed contact 50, a second main current path fixed contact 60 and a fixed ground contact 80 on.
  • first moving contact 20 and the second moving contact 30 Centered between the fixed contacts 50, 60, 70, 80 are the first moving contact 20 and the second moving contact 30, which are electrically conductively connected by means of a joint.
  • control electrodes 180 are arranged in the area of the fixed contacts 50, 60, 70, 80.
  • a first control means 90 with a first control profile 92 and a second control means 100 with a second control profile 102 control the position and movement of the third control means 110 with a third control profile 112.
  • the third control means is connected to the arc-extinguishing moving contact and thus determines whether the arc-extinguishing device 150 is open, closed or moving.
  • the first moving contact 20 and the second moving contact 30 can be rotated and pivoted about the axis of rotation 17 .
  • the first moving contact 20 is firmly connected to the axis of rotation 17 and/or the first control means 90 .
  • the second moving contact 30 can move with the first control means 90 and the axis of rotation 17 or move relative to the first control means 90 and the axis of rotation 17 .
  • the first main current path fixed contact 50 and the second main current path fixed contact 60 are connected via the first moving contact 20 and the second moving contact 30 .
  • a current can therefore flow via the main current path 10 .
  • the figure 2 shows on the left side an equivalent circuit diagram of a three-position switch 5 with the main current path 10, the secondary current path 15, the first main current path fixed contact 50, the second main current path fixed contact 60, the auxiliary current path fixed contact 70, the earth fixed contact 80 and the arc quenching device 150, here a vacuum interrupter.
  • the three-position switch 5 has an auxiliary current path consisting of the arc-extinguishing device 150, with the arc-extinguishing contacts 160, the arc-extinguishing fixed contact 163, the arc-extinguishing moving contact 165, the contact strip 170 between the arc-extinguishing moving contact 165 and the auxiliary current-path fixed contact 70 and the auxiliary current-path fixed contact 70
  • the three-position switch 5 also has a first main current path fixed contact 50, a second main current path fixed contact 60 and a ground contact 80.
  • the first moving contact 20 and the second moving contact 30 Centrally located between the fixed contacts 50, 60, 70, 80 are the first moving contact 20 and the second moving contact 30, which are electrically conductive by means of a joint Control electrodes 180 are arranged in the area of the fixed contacts 50, 60, 70, 80.
  • a first control means 90 with a first control profile 92 and a second control means 100 with a second control p Profile 102 controls the position and movement of the third control means 110 with a third control profile 112.
  • the third control means is connected to the arc-extinguishing moving contact and thus determines whether the arc-extinguishing device 150 is open, closed or in motion.
  • the first moving contact 20 and the second moving contact 30 can be rotated and pivoted about the axis of rotation 17 .
  • the first moving contact 20 is firmly connected to the axis of rotation 17 and/or the first control means 90 .
  • the second moving contact 30 can move with the first control means 90 and the axis of rotation 17 or move relative to the first control means 90 and the axis of rotation 17 .
  • a control bolt 195 in cam track 190 controls the movement of second moving contact 30.
  • the first main current path fixed contact 50, the auxiliary current path fixed contact 70 and the second main current path fixed contact 60 via the first moving contact 20 and the second moving contact 30 are connected.
  • a current can therefore flow via the main current path 10 and the secondary current path 15 .
  • the figure 3 shows on the left side an equivalent circuit diagram of a three-position switch 5 with the main current path 10, the auxiliary current path 15, the first main current path fixed contact 50, the second main current path fixed contact 60, the auxiliary current path fixed contact 70, the earth fixed contact 80 and the arc quenching device 150, here a vacuum interrupter.
  • Fig. 12 is the schematic of a three-position switch 5 according to the invention in the "clear" position.
  • the three-position switch 5 has a secondary current path consisting of the arc-extinguishing device 150, with the arc-extinguishing contacts, the arc-extinguishing fixed contact 163, the arc-extinguishing moving contact 165, the contact strip 170 between the arc-extinguishing moving contact 165 and the auxiliary current-path fixed contact 70 and the auxiliary current-path fixed contact 70.
  • the three-position switch 5 also has a first main current-path fixed contact 50, a second Main current path fixed contact 60 and a fixed earth contact 80 on.
  • first moving contact 20 and the second moving contact 30 Centered between the fixed contacts 50, 60, 70, 80 are the first moving contact 20 and the second moving contact 30, which are electrically conductively connected by means of a joint.
  • control electrodes 180 are arranged in the area of the fixed contacts 50, 60, 70, 80.
  • a first control means 90 with a first control profile 92 and a second control means 100 with a second control profile 102 control the position and movement of the third control means 110 with a third control profile 112.
  • the third control means is connected to the arc-extinguishing moving contact and thus determines whether the arc-extinguishing device 150 is open, closed or moving.
  • the first moving contact 20 and the second moving contact 30 can be rotated and pivoted about the axis of rotation 17 .
  • the first moving contact 20 is firmly connected to the axis of rotation 17 and/or the first control means 90 .
  • the second moving contact 30 can move with the first control means 90 and the axis of rotation 17 or move relative to the first control means 90 and the axis of rotation 17 .
  • the auxiliary current path fixed contact and the second main current path fixed contact 60 are connected via the first moving contact 20 and the second moving contact 30 .
  • the arc quenching device quenches the arc 164 between the arc quenching fixed contact 163 and the arc quenching moving contact 165.
  • the figure 4 shows on the left side an equivalent circuit diagram of a three-position switch 5 with the main current path 10, the auxiliary current path 15, the first main current path fixed contact 50, the second main current path fixed contact 60, the auxiliary current path fixed contact 70, the earth fixed contact 80 and the arc quenching device 150, here a vacuum interrupter.
  • FIG. 12 On the right side of the figure 4 Figure 12 is a schematic of a three position switch 5 in the "EARTH" position according to the invention.
  • the three-position switch 5 has a secondary current path consisting of the arc extinguishing device 150, with the arc-extinguishing contacts 160, the arc-extinguishing fixed contact 163, the arc-extinguishing moving contact 165, the contact strip 170 between the arc-extinguishing moving contact 165 and the auxiliary current-path fixed contact 70 and the auxiliary current-path fixed contact 70.
  • the three-position switch 5 also has a first main current-path fixed contact 50, a second main current path fixed contact 60 and a fixed ground contact 80 on.
  • first moving contact 20 and the second moving contact 30 Centered between the fixed contacts 50, 60, 70, 80 are the first moving contact 20 and the second moving contact 30, which are electrically conductively connected by means of a joint.
  • control electrodes 180 are arranged in the area of the fixed contacts 50, 60, 70, 80.
  • a first control means 90 having a first control profile 92 and a second control means 100 having a second control profile 102 control position and movement of the third control means 110 with a third control profile 112.
  • the third control means 110 is connected to the arc-extinguishing moving contact 165 and thus determines whether the arc-extinguishing device 150 is open, closed or in motion.
  • the first moving contact 20 and the second moving contact 30 can be rotated and pivoted about the axis of rotation 17 .
  • the first moving contact 20 is firmly connected to the axis of rotation 17 and/or the first control means 90 .
  • the second moving contact 30 can move with the first control means 90 and the axis of rotation 17 or move relative to the first control means 90 and the axis of rotation 17 .
  • the ground fixed contact 80 and the second main current path fixed contact 60 are connected via the first moving contact 20 and the second moving contact 30 .
  • the figure 5 shows on the left side an equivalent circuit diagram of a three-position switch 5 with the main current path 10, the auxiliary current path 15, the first main current path fixed contact 50, the second main current path fixed contact 60, the auxiliary current path fixed contact 70, the earth fixed contact 80 and the arc quenching device 150, here a vacuum interrupter.
  • Figure 13 is a schematic of a three position switch 5 in intermediate phase from OFF to ON according to the invention.
  • the three-position switch 5 has a secondary current path consisting of the arc extinguishing device 150, with the arc-extinguishing contacts 160, the arc-extinguishing fixed contact 163, the arc-extinguishing moving contact 165, the contact strip 170 between the arc-extinguishing moving contact 165 and the auxiliary current-path fixed contact 70 and the auxiliary current-path fixed contact 70.
  • the three-position switch 5 also has a first main current-path fixed contact 50, a second main current path fixed contact 60 and a fixed ground contact 80 on.
  • the first moving contact is located centrally between the fixed contacts 50, 60, 70, 80 20 and the second moving contact 30, which are electrically conductively connected by means of a joint.
  • control electrodes 180 are arranged in the area of the fixed contacts 50, 60, 70, 80 control electrodes 180 are arranged.
  • a first control means 90 with a first control profile 92 and a second control means 100 with a second control profile 102 control the position and movement of the third control means 110 with a third control profile 112.
  • the third control means is connected to the arc-extinguishing moving contact and thus determines whether the arc-extinguishing device 150 is open, closed or moving.
  • the first moving contact 20 and the second moving contact 30 can be rotated and pivoted about the axis of rotation 17 .
  • the first moving contact 20 is firmly connected to the axis of rotation 17 and/or the first control means 90 .
  • the second moving contact 30 can move with the first control means 90 and the axis of rotation 17 or move relative to the first control means 90 and the axis of rotation 17 .
  • the first main current path fixed contact 50 and the second main current path fixed contact 60 are connected via the first moving contact 20 and the second moving contact 30 .
  • a current can therefore flow via the main current path 10 .
  • the figure 6 shows a schematic representation of a section with the connection of the bolt 166 of the arc-extinguishing moving contact 165 to the third control means 110 and the auxiliary current path fixed contact 70 with a contact strip 170.
  • the contact strip 170 serves here on the one hand electrically conductive connection of the moving arc-extinguishing contact 165 to the auxiliary current path fixed contact 70 and, on the other hand, the effect of a contact force 169 by a bias voltage for the arc-extinguishing device 150.
  • the recess 167 enables the simple mechanical coupling of the third control means to the bolt 166 and the contact strip 170 to the bolt 166.
  • the prestressed contact strip 170 allows sufficient play 168 between the third control element 110 and the bolt 166 for a clean closing of the arc extinguishing device 150.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Vehicle Body Suspensions (AREA)
  • Keying Circuit Devices (AREA)
EP20718152.0A 2019-03-29 2020-03-23 Optimierter dreistellungsschalter Active EP3928344B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019204417 2019-03-29
PCT/EP2020/057928 WO2020200864A1 (de) 2019-03-29 2020-03-23 Optimierter dreistellungsschalter

Publications (2)

Publication Number Publication Date
EP3928344A1 EP3928344A1 (de) 2021-12-29
EP3928344B1 true EP3928344B1 (de) 2023-02-15

Family

ID=70277318

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20718152.0A Active EP3928344B1 (de) 2019-03-29 2020-03-23 Optimierter dreistellungsschalter

Country Status (4)

Country Link
EP (1) EP3928344B1 (zh)
CN (1) CN113826181B (zh)
ES (1) ES2943936T3 (zh)
WO (1) WO2020200864A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4053871B1 (en) * 2021-03-03 2024-08-14 ABB Schweiz AG A medium voltage switching apparatus
CN113628918B (zh) * 2021-07-05 2024-09-24 平高集团有限公司 一种高压开关设备及其分闸位置调试方法
EP4276874A1 (en) * 2022-05-12 2023-11-15 ABB Schweiz AG A medium voltage switching apparatus

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0767213B2 (ja) * 1986-09-29 1995-07-19 三菱電機株式会社 ガス絶縁開閉装置
FR2719154B1 (fr) * 1994-04-25 1996-06-07 Merlin Gerin Interrupteur électrique moyenne tension.
FR2722912B1 (fr) * 1994-07-20 1996-09-13 Schneider Electric Sa Interrupteurs electriques moyenne tension
FR2792767B1 (fr) * 1999-04-26 2001-05-25 Alstom Dispositif de commande electrique a plusieurs positions pour appareillage electrique
DE102005060633A1 (de) 2005-12-13 2007-06-14 Siemens Ag Lasttrennschalter für eine gekapselte Schaltanlage
DE102006027164B3 (de) * 2006-06-06 2007-11-22 Siemens Ag Mehrphasiges Schaltfeld für Mittelspannungs-Schaltanlagen
DE102011087630B4 (de) * 2011-12-02 2016-11-03 Siemens Aktiengesellschaft Schaltgerät
DE102012200962B4 (de) * 2012-01-24 2018-07-26 Siemens Aktiengesellschaft Schaltgerät, insbesondere Lasttrennschalter, für Mittelspannungs-Schaltanlagen
ES2601385T3 (es) * 2012-06-25 2017-02-15 Siemens Aktiengesellschaft Seccionador en carga de tres posiciones para instalaciones de distribución de media tensión
CN103123873B (zh) * 2013-01-29 2015-10-14 合保电气（芜湖）有限公司 旁路隔离开关
WO2014154286A1 (en) * 2013-03-28 2014-10-02 Abb Technology Ltd A knife switch, a switching device comprising a knife switch and a switchgear
DE102013217834B4 (de) * 2013-09-06 2022-01-20 Siemens Aktiengesellschaft Schaltgerät und Verfahren zum Schalten eines solchen Schaltgerätes
CN203895828U (zh) * 2014-04-28 2014-10-22 浙宝电气(杭州)集团有限公司 一种环网开关设备
CN204011215U (zh) * 2014-06-25 2014-12-10 江苏华唐电器有限公司 用于单相空气旁路开关的导电主回路结构
KR101605134B1 (ko) * 2014-07-01 2016-03-22 현대중공업 주식회사 가스절연 개폐장치용 단로기 및 접지개폐기
CN104319165B (zh) * 2014-11-12 2016-05-25 沈阳华德海泰电器有限公司 一种采用桥开关实现负载侧外接地的三工位真空开关
CN204360991U (zh) * 2014-12-18 2015-05-27 珠海康晋电气有限公司 带接地关合能力的固体绝缘三工位隔离开关
CN107946129B (zh) * 2017-11-30 2023-09-15 广州白云电器设备股份有限公司 一种高压开关设备三工位隔离开关的操作机构

Also Published As

Publication number Publication date
ES2943936T3 (es) 2023-06-16
CN113826181B (zh) 2024-06-07
CN113826181A (zh) 2021-12-21
WO2020200864A1 (de) 2020-10-08
EP3928344A1 (de) 2021-12-29

Similar Documents

Publication Publication Date Title
EP3928344B1 (de) Optimierter dreistellungsschalter
EP0005209B1 (de) Schalterkombination für Sammelschienenanlagen
EP2845213B1 (de) Dreistellungslasttrennschalter für mittelspannungs-schaltanlagen
EP2430645B1 (de) Hochspannungsschaltvorrichtung
EP1859463A1 (de) Kurvenprofilschalter
EP2766914B1 (de) Schaltgerät
DE3810453C2 (zh)
EP2789000B1 (de) Schaltgerät, insbesondere lasttrennschalter, für mittelspannungs-schaltanlagen
EP2689446B1 (de) Schaltgerät
WO2012031937A1 (de) Lasttrennschalter
DE69516461T2 (de) Mittelspannung elektrischer Schalter
DE102013217834B4 (de) Schaltgerät und Verfahren zum Schalten eines solchen Schaltgerätes
EP0198506B1 (de) Freiluftschaltgerät für Hochspannungsschaltanlagen
EP0772215A1 (de) Trennschalter, insbesondere Mittelspannungs-Lasttrennschalter
EP3453044B1 (de) Doppelkontakt-schalter mit vakuumschaltkammern
EP2810288B1 (de) Schaltgerät, insbesondere lasttrennschalter
DE102018213028B4 (de) Trennschalter mit zwei relativ zueinander bewegbaren Kontaktteilen
DE19612273C1 (de) Kontaktstücke für Lasttrennschalter
WO2018153584A1 (de) Schalteranordnung mit zwei trennschaltern und einem leistungsschalter
DE1222137B (de) Trenn- oder Erdungsschalter mit Doppeltrennmessern
EP3997724A1 (de) Einsäulen-trennschalter mit vakuum-schaltröhre als hilfskontaktsystem
DE102021205821A1 (de) Schaltlichtbogenfestes Schaltgerät
WO2020244729A1 (de) Schaltvorrichtung für eine freiluftschaltanlage
WO2022033909A1 (de) Verbesserte vakuumschaltröhre
DE2402790A1 (de) Mittelspannungs-lasttrennschalter fuer anlagen und kompaktstationen in kleinbauweise

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210924

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: H01H 31/00 20060101ALN20220922BHEP

Ipc: H01H 3/42 20060101ALI20220922BHEP

Ipc: H01H 33/666 20060101ALI20220922BHEP

Ipc: H01H 33/12 20060101AFI20220922BHEP

INTG Intention to grant announced

Effective date: 20221006

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502020002529

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1548662

Country of ref document: AT

Kind code of ref document: T

Effective date: 20230315

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2943936

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20230616

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20230215

REG Reference to a national code

Ref country code: NO

Ref legal event code: T2

Effective date: 20230215

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230615

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230615

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230516

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502020002529

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20230331

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230323

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

26N No opposition filed

Effective date: 20231116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230323

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230215

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20240315

Year of fee payment: 5

Ref country code: NO

Payment date: 20240306

Year of fee payment: 5

Ref country code: FR

Payment date: 20240319

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240517

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20240604

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20240620

Year of fee payment: 5