EP1109187A1 - Disjoncteur hybride de puissance - Google Patents

Disjoncteur hybride de puissance Download PDF

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Publication number
EP1109187A1
EP1109187A1 EP00811125A EP00811125A EP1109187A1 EP 1109187 A1 EP1109187 A1 EP 1109187A1 EP 00811125 A EP00811125 A EP 00811125A EP 00811125 A EP00811125 A EP 00811125A EP 1109187 A1 EP1109187 A1 EP 1109187A1
Authority
EP
European Patent Office
Prior art keywords
chamber
circuit breaker
hybrid circuit
quenching
gas
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
EP00811125A
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German (de)
English (en)
Other versions
EP1109187B1 (fr
Inventor
Joachim Stechbarth
Kurt Kaltenegger
Werner Hofbauer
Lutz Niemeyer
Max Claessens
Klaus-Dieter Weltmann
Christian Lindner
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ABB Technology AG
Original Assignee
ABB T&D Technology AG
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Publication date
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Application filed by ABB T&D Technology AG filed Critical ABB T&D Technology AG
Publication of EP1109187A1 publication Critical patent/EP1109187A1/fr
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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
    • 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
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • H01H2033/566—Avoiding the use of SF6
    • 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
    • H01H33/22—Selection of fluids for arc-extinguishing

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 Distribution of the recurring tension between the two Quenching chambers takes place capacitively with this switch, whereby the The quenching chambers' own capacities are decisive.
  • 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 weaker 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 Main contacts of the second quenching chamber which here as Vacuum interrupter is formed because of the shorter duration the current load when switching off a longer service life have what an improved operational availability of the Hybrid circuit breaker results.
  • the temporal Delay in the switch-off movement of the second compared to the first extinguishing chamber has when switching off asymmetrical Short-circuit currents have the great advantage that the second Extinguishing chamber loaded with significantly lower peak currents is because during this delay time the asymmetry of the Short-circuit currents have already decayed further. If the second quenching chamber is designed as a vacuum interrupter, so this effect is particularly beneficial for the Stability of the contacts.
  • 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 time advance of the movement of the first chamber against the movement of the second Ensure the extinguishing 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.
  • TVG Troriggered Vacuum Gap
  • 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 Design of the resistance coating can the dimensions of the second arcing chamber 3 are advantageously kept small.
  • the ohmic resistance of the resistance coating is in the range between 10 k ⁇ and 500 k ⁇ , the Resistance value of 100 k ⁇ proven.
  • the common quenching chamber volume 27 is filled with an electrically insulating gas or gas mixture which serves both as the quenching medium for the first quenching chamber 2 and as the insulating medium.
  • the gas or gas mixture binds free electrons to its molecules so that the spread of electrostatic charges and thus the charging of insulating parts is prevented.
  • metal vapor for example, is converted into fluoride or, if necessary, also oxidized by free oxygen.
  • 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 critical pressure ratio decreases with an increasing proportion of SF 6 gas, so that the pressure for blowing the arc in the first quenching chamber 2 can advantageously be kept low. If the first quenching chamber 2 is filled with a differently composed gas mixture, for example one of the above-mentioned ones, it must also be ensured that the critical pressure ratio corresponding to this gas mixture is not exceeded, because only then can the flow velocity of the gas blowing the arc always be in the range be kept below the speed of sound.
  • 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 no significant storage of the arc itself generated pressurized gas can occur, and consequently, no significant support from the Blowing the arc by self-generated pressurized gas occurs because only in this way is it possible a subsonic flow velocity at the To ensure blowing of the arc.
  • 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.
  • 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.
  • FIG. 3 shows a second in a highly simplified form Embodiment of a hybrid circuit breaker 1 in switched off state.
  • This embodiment differs differs from the first embodiment according to FIGS. 1 and 2 in that between the compression volume 24 and the Arc space 48 an additional, cylindrical Storage volume 49 is provided, which for storage at least part of the through the arc pressurized gas is provided. Between the Storage volume 49 and the compression volume 24 is one Check valve 28 is provided with a valve disk 29, which is a gas flow at appropriate pressure conditions from the compression volume 24 into the storage volume 49.
  • the remaining structure of this hybrid circuit breaker 1 corresponds in principle that of the first embodiment. in the Contact tube 17, the openings 50 are shown here through which gas flowing out of the arc space 48 into the Inside the support tube 15 can flow.
  • the mode of operation of this second embodiment corresponds such as that in connection with the first embodiment mode of operation of the hybrid circuit breaker 1 described, only that is added that by the arc in the Arc space 48 generates compressed gas into the storage volume 49 can flow in.
  • This pressurized gas is there for so long stored until the pressure curves in the arc space 48 it allow this compressed gas to flow back into the Arc space 48 while blowing and cooling the arc.
  • the diameter of the constriction of the Insulating nozzle 30 and the diameter of the contact tube 17 and the three sizes can be coordinated Pressure increase in the arc room 48 and thus also in the Storage volume 49 can be set so that a effective blowing of the arc is achieved without that however the pressure in the compression volume 24 is too great must become. In this way the drive is achieved designed weaker and can therefore be created cheaper. In this embodiment, too Flow rate of the gas blowing the arc reached, which is in the subsonic range.
  • 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.
  • FIG. 4 shows a third shown in a highly simplified manner Embodiment of a hybrid circuit breaker 1 in switched off state.
  • This embodiment differs differs from the second embodiment according to FIG. 3 in that it is not a separate one, through a check valve compression volume separated from the storage volume 49 having.
  • the arc space 48 is a cylindrical here trained, somewhat larger storage volume 49 connected, which is for storing at least part of the gas pressurized by the arc is. However, part of this storage volume 49 is used for Switching off mechanically compressed.
  • this hybrid circuit breaker 1 corresponds in principle according to that of the second embodiment Figure 3.
  • the contact tube 17 there are also the openings 50, through which arcing space 48 outflowing gas flow into the interior of the support tube 15 can. This outflow is by means of an inside of the Contact tube 17 attached flow cone 51 facilitated.
  • Hybrid circuit breaker 1 is also turned off always the second arcing chamber 3 compared to the first Fire chamber 2 opened with a time delay and when switched on always closed in advance, like this already has been described.
  • the support tube 15 has a cylinder 53 on the drive side designed expansion on.
  • the cylinder 53 is replaced by a metallic guide flange 54 held electrically is conductively connected to the connecting flange 9.
  • Guide flange 54 slides a sleeve 55 which with the Drive linkage 5 is connected and by this, together is moved with the contact tube 17.
  • a Piston 56 attached, through which openings 57 pass. The Piston 56 is guided through the cylinder 53.
  • Valve disc 58 held which the openings 57th closes when on the drive rod 5 facing away Side of the piston 56 there is a higher pressure than on the the drive rod 5 facing side.
  • the cylinder 53 points in the area between the off position of the Piston 56 and the drive end of the cylinder 53 lies, breakthroughs 59 that this volume with the Connect extinguishing chamber volume 27.
  • the rest of the support tube 15 has no connections to the quench chamber volume 27.
  • the inner surface of the cylinder 53 has an area 60 in which the inner diameter of the cylinder 53 is larger than the outer diameter of the piston 56, and that is the Area that the piston 56 passes through when switching off before the Contact separation between the erosion fingers 18 and the Burn-off pin 19 takes place, i.e. before an arc occurs.
  • This configuration of the cylinder 53 increases the friction between the cylinder wall and the piston 56 advantageous reduced. As soon as the arc occurs when switching off, there is a gas flow through the contact tube 17 and the Openings 50 in the interior of the support tube 15 and increased there the pressure so that there is a higher pressure inside than inside Arcing chamber volume 27.
  • the valve disc 58 then closes the openings 57 and the pressure act on the piston 56, which now, after leaving area 60, through again the cylinder 53 is guided, and supports its movement in the switch-off direction.
  • the force acting in the switch-off direction is composed of the force acting on the piston 56 minus those working in the opposite direction Force, which depends on the application of pressure smaller end face 61 of the support tube 15 originates. In this way the drive is weaker designed and can be created cheaper because this additional power is advantageously available if the forces opposing the opening movement, for example the force caused by the pressure in the Storage volume 49 is caused to occur.
  • this third embodiment corresponds about that in connection with the first embodiment Described with regard to the electrical switch-off Mode of operation of the hybrid circuit breaker 1, only that still In addition, the arc in the Arc space 48 generates compressed gas into the storage volume 49 can flow in. This pressurized gas is there for so long saved and partly during the switch-off movement additionally compressed until the pressure curves in the Arc space 48 allow this pressurized gas flows back into the arc space 48 and thereby the arc blows and cools.
  • FIG. 5 shows a fourth, shown in a highly simplified manner Embodiment of a hybrid circuit breaker 1 in switched off state.
  • This embodiment differs differs from the second embodiment according to FIG. 3 in that they are not separated by a check valve has a separate compression volume.
  • the arc room 48 here is a cylindrical, slightly larger designed blow volume 62 connected. Part of this Blowing volume 62 is mechanically compressed when switched off. Is between the blowing volume 62 and the quench chamber volume 27 one that acts as a compression piston when switched off
  • Check valve 25 is provided with a valve disk 26, which is a gas flow at appropriate pressure conditions from the quenching chamber volume 27 into the blowing volume 62.
  • the remaining structure of this hybrid circuit breaker 1 is one 3 very similar to the second embodiment according to FIG
  • the diameter of the nozzle 63 is the fourth Embodiment much larger, which means that the gas pressures occurring in the quenching chamber 2 are significant are smaller than those in the second embodiment according to Figure 3 possible gas pressures. This also means that gas heated by the arc already by the Nozzle narrow 63 and through the interior of the contact tube 17th flows out, so that no significant back heating in the Blowing volume 62 can take place.
  • the openings 50 are also here in the contact tube 17 through which from the arc space 48 outflowing gas flow into the interior of the support tube 15 can. This outflow is by means of an inside of the Contact tube 17 attached flow cone 51 facilitated.
  • the pressure increase in the Arc space 48 and thus also in the blowing volume 62 be set to be a sufficiently effective Blowing of the arc is achieved.
  • this fourth Embodiment becomes a particularly low Flow velocity of the gas blowing the arc reached, this flow rate is clearly in the Subsonic area.
  • the second arcing chamber 3 at Always switch off in relation to the first arcing chamber 2 opened with a time delay and always when switched on closed in advance, as already described has been.
  • the factor ⁇ is 1 for the nozzle material PTFE with added molybdenum sulfide and the dimensioning parameter F for this material is in the range (0.5-1) kA 2 / mm 3 . If other nozzle materials are used, the factor ⁇ and the dimensioning parameter F must be adjusted accordingly.
  • FIG. 6 shows the nozzle zone of the fourth embodiment of the hybrid circuit breaker 1 somewhat enlarged.
  • the radius R of the nozzle stroke 63 is indicated in this FIG. 6 and likewise the length E of the nozzle curve 63.
  • one Auxiliary nozzle 64 made of insulating material, which the Burning finger 18 covers outwards and together with the Insulating nozzle 30 forms a channel 65, which the blowing volume 62nd connects to the arc room 48.
  • the channel 65 runs here, for example, partially parallel to the longitudinal axis 4 and he has a bend 66 which points towards the longitudinal axis 4 runs.
  • the bent part of the channel runs under one Angle in the range of 45 ° to 90 ° to the longitudinal axis 4.
  • This bend 66 is achieved in that the Pressure ratios that in this embodiment of the Hybrid circuit breaker 1 prevail, no gas backflow can take place from the arc space 48 into the blowing volume 62.
  • This hybrid circuit breaker 1 is designed to be heat-free.
  • the second arcing chamber 3 by means of an assembly consisting of switchable power semiconductors, so you get a fifth embodiment of the Hybrid circuit breaker 1.
  • This embodiment is particularly inexpensive to manufacture, among other things This simplifies the transmission 6, since the mechanical There is no need to actuate the second arcing chamber 3.
  • the the Voltage control during switching serving high-ohmic ohmic In this case, resistance is a component of the assembly of Power semiconductors connected in parallel.
  • Such a trained one Hybrid circuit breaker 1 is particularly suitable for networks in the area around 110 kV operating voltage and less economical applicable.
  • the second arcing chamber 3 Switching operations are mechanically actuated and move in time coordinated from an off position to a Switch on position or vice versa. In the respective Switch-on position leads the second quenching chamber 3 through the Hybrid circuit breaker flowing electricity.
  • the fifth Embodiment is the second quenching chamber 3 by means of a electronically switched semiconductor element realizes them however, in the switch-on position, it also leads through the Hybrid circuit breaker flowing electricity. However, it is conceivable that parallel to the second arcing chamber 3 interruptible nominal current path is provided.
  • Embodiment is the second quenching chamber 3 by means of a TVG (Triggered Vacuum Gap) realized.
  • the two contacts 67 and 68 of the TVG are stationary, they are not driven by the gear 6 mechanically actuated.
  • a line of action 69 indicates Electrically conductive connection, not shown between the first arcing chamber 2 and the second arcing chamber 3 on.
  • Another line of action 70 that of the line of action 69 branches off, which points parallel to this second arcing chamber 3 running nominal current path 71.
  • the nominal current path is 71 by means of a separator 72 arranged in its course designed to be interruptible.
  • the separator 72 is from the transmission 6 actuated here by means of the lever 43 in a coordinated manner.
  • On Arrow 73 indicates the triggering, with the help of which Load carriers in the distance between contacts 67 and 68 be introduced so that it becomes electrically conductive.
  • the first arcing chamber 2 When switching off works in this embodiment of the Hybrid circuit breaker 1, the first arcing chamber 2 as already described earlier.
  • the second quenching chamber 3 By means of the arrow 73 indicated electronically controlled triggering is the second quenching chamber 3 electrically conductive and leads as soon as the Isolator 72 is open, the breaking current alone.
  • the second arcing chamber 3 then deletes in the next Current zero crossing and stops the first steep rise of recurring tension.
  • the first arcing chamber 2 then takes over the full recurring tension a little later.
  • Effective voltage controls described provided For dividing the recurring tension between the two Fire chambers 2 and 3 are also one of the earlier ones Effective voltage controls described provided.

Landscapes

  • Circuit Breakers (AREA)
  • Control Of Eletrric Generators (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
EP00811125A 1999-12-06 2000-11-27 Disjoncteur hybride de puissance Expired - Lifetime EP1109187B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19958645 1999-12-06
DE19958645A DE19958645C5 (de) 1999-12-06 1999-12-06 Hybridleistungsschalter

Publications (2)

Publication Number Publication Date
EP1109187A1 true EP1109187A1 (fr) 2001-06-20
EP1109187B1 EP1109187B1 (fr) 2004-07-07

Family

ID=7931524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00811125A Expired - Lifetime EP1109187B1 (fr) 1999-12-06 2000-11-27 Disjoncteur hybride de puissance

Country Status (6)

Country Link
US (1) US6437273B2 (fr)
EP (1) EP1109187B1 (fr)
JP (1) JP2001189118A (fr)
CN (1) CN1182557C (fr)
AT (1) ATE270789T1 (fr)
DE (2) DE19958645C5 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1271590A1 (fr) * 2001-06-25 2003-01-02 Alstom Dispositif interrupteur pour haute ou moyenne tension à coupure mixte par vide et gaz
FR2839193A1 (fr) * 2002-04-24 2003-10-31 Alstom Dispositif interrupteur a haute tension a coupure mixte par vide et gaz
DE102011079969A1 (de) 2011-07-28 2013-01-31 Siemens Aktiengesellschaft Schaltgerät
WO2013135505A1 (fr) * 2012-03-15 2013-09-19 Siemens Aktiengesellschaft Appareil de commutation, en particulier sectionneur à coupure en charge
EP2851919A1 (fr) * 2013-09-20 2015-03-25 Kabushiki Kaisha Toshiba Disjoncteur hybride

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DE10157140B4 (de) * 2001-11-21 2011-02-24 Abb Ag Hybridschalter
JP3802844B2 (ja) * 2002-06-14 2006-07-26 古河電気工業株式会社 光半導体モジュール
FR2860915B1 (fr) * 2003-10-09 2006-02-10 Alstom T & D Sa Dispositif d'actionnement de disjoncteur hybride a haute tension et disjoncteur ainsi equipe
FR2869449B1 (fr) * 2004-04-21 2008-02-29 Areva T & D Sa Appareillage electrique de coupure en moyenne ou haute tension.
DE102004029871A1 (de) * 2004-06-16 2006-02-16 Siemens Ag Leistungsschalter mit einer innerhalb eines Kapselungsgehäuses angeordneten Unterbrechereinheit
FR2877136B1 (fr) * 2004-10-27 2006-12-15 Areva T & D Sa Cinematique d'entrainement dans un disjoncteur hybride
ATE418152T1 (de) * 2006-01-31 2009-01-15 Abb Technology Ag Schaltkammer für einen gasisolierten hochspannungsschalter
JP4660407B2 (ja) * 2006-03-27 2011-03-30 株式会社東芝 ガス絶縁開閉器
FR2922043B1 (fr) * 2007-10-03 2009-12-11 Areva T & D Sa Chambre de coupure de disjoncteur a double volume de compression
JP5127569B2 (ja) * 2008-05-29 2013-01-23 株式会社東芝 ガス絶縁開閉器
EP2325859B1 (fr) * 2009-11-24 2013-04-17 ABB Technology AG Commutateur à haute tension isolé du gaz
EP2619779B1 (fr) * 2010-09-24 2014-03-19 ABB Technology AG Interrupteur à haute tension isolé par gaz servant à la coupure de courants de forte intensité
EP2639805B1 (fr) * 2010-12-23 2014-12-10 ABB Technology AG Procédé, disjoncteur et unité de commutation pour couper des courants CC haute tension
DE202011002408U1 (de) * 2011-02-04 2012-05-07 Ebm-Papst Mulfingen Gmbh & Co. Kg Gleichstrom-Elektromotor in explosionsgeschützter Bauart
US8890019B2 (en) 2011-02-05 2014-11-18 Roger Webster Faulkner Commutating circuit breaker
US8861144B2 (en) 2011-11-15 2014-10-14 Eaton Corporation Triggered arc flash arrester and switchgear system including the same
CN102820162B (zh) * 2012-08-14 2015-07-01 河南平高电气股份有限公司 一种双动高压六氟化硫断路器及其双动传动装置
CN102820177B (zh) * 2012-08-14 2015-04-01 河南平高电气股份有限公司 一种高压六氟化硫断路器及其双动传动装置
CN102820176B (zh) * 2012-08-14 2015-03-25 河南平高电气股份有限公司 一种双动式高压六氟化硫断路器及其双动传动装置
US9054530B2 (en) 2013-04-25 2015-06-09 General Atomics Pulsed interrupter and method of operation
CN104124638B (zh) * 2014-07-24 2016-09-21 沈阳华德海泰电器有限公司 一种具有串联真空灭弧室的户外罐式高压组合电器
US9305726B2 (en) * 2014-08-27 2016-04-05 Eaton Corporation Arc extinguishing contact assembly for a circuit breaker assembly
US9343252B2 (en) 2014-08-27 2016-05-17 Eaton Corporation Arc extinguishing contact assembly for a circuit breaker assembly
CN104766765B (zh) * 2015-02-10 2016-09-07 郑州大学 一种基于永磁机构的新型真空断口和co2气体断口串联高压交直流断路器
JP6392154B2 (ja) * 2015-03-27 2018-09-19 株式会社東芝 直流電流遮断装置およびその制御方法
CN107787516B (zh) * 2015-04-13 2020-06-19 Abb瑞士股份有限公司 仅中断非短路电流的装置、尤其是隔离开关或接地开关
JP6987794B2 (ja) * 2016-06-03 2022-01-05 アーベーベー・シュバイツ・アーゲーABB Schweiz AG ガス絶縁低電圧または中電圧負荷遮断スイッチ
CN107887226B (zh) * 2017-12-27 2019-04-16 新昌县恒泰隆机械设备有限公司 一种操作简单的隔离和接地式断路结构
US10872739B2 (en) * 2019-05-24 2020-12-22 Frank P Stacom Methods and systems for DC current interrupter based on thermionic arc extinction via anode ion depletion
CN114758921B (zh) * 2021-12-23 2024-03-26 平高集团有限公司 一种灭弧室及使用该灭弧室的断路器

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FR2738389B1 (fr) * 1995-08-31 1997-10-24 Schneider Electric Sa Disjoncteur hybrique a haute tension
DE19622460C2 (de) * 1996-05-24 1998-04-02 Siemens Ag Hochspannungs-Leistungsschalter mit zwei antreibbaren Schaltkontaktstücken

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DE4427163A1 (de) * 1994-08-01 1996-02-08 Abb Management Ag Druckgasschalter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1271590A1 (fr) * 2001-06-25 2003-01-02 Alstom Dispositif interrupteur pour haute ou moyenne tension à coupure mixte par vide et gaz
FR2839193A1 (fr) * 2002-04-24 2003-10-31 Alstom Dispositif interrupteur a haute tension a coupure mixte par vide et gaz
DE102011079969A1 (de) 2011-07-28 2013-01-31 Siemens Aktiengesellschaft Schaltgerät
WO2013014070A1 (fr) 2011-07-28 2013-01-31 Siemens Aktiengesellschaft Contacteur
WO2013135505A1 (fr) * 2012-03-15 2013-09-19 Siemens Aktiengesellschaft Appareil de commutation, en particulier sectionneur à coupure en charge
EP2851919A1 (fr) * 2013-09-20 2015-03-25 Kabushiki Kaisha Toshiba Disjoncteur hybride
US9208966B2 (en) 2013-09-20 2015-12-08 Kabushiki Kaisha Toshiba Switch

Also Published As

Publication number Publication date
EP1109187B1 (fr) 2004-07-07
DE19958645C2 (de) 2001-10-31
DE50007009D1 (de) 2004-08-12
DE19958645C5 (de) 2011-05-26
US6437273B2 (en) 2002-08-20
ATE270789T1 (de) 2004-07-15
CN1308353A (zh) 2001-08-15
DE19958645A1 (de) 2001-06-21
JP2001189118A (ja) 2001-07-10
US20010002664A1 (en) 2001-06-07
CN1182557C (zh) 2004-12-29

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