EP2026431A2 - Module de commutateur pour un dispositif de commutation électrique - Google Patents

Module de commutateur pour un dispositif de commutation électrique Download PDF

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Publication number
EP2026431A2
EP2026431A2 EP07024707A EP07024707A EP2026431A2 EP 2026431 A2 EP2026431 A2 EP 2026431A2 EP 07024707 A EP07024707 A EP 07024707A EP 07024707 A EP07024707 A EP 07024707A EP 2026431 A2 EP2026431 A2 EP 2026431A2
Authority
EP
European Patent Office
Prior art keywords
switch module
housing
rod
contact piece
longitudinal axis
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.)
Withdrawn
Application number
EP07024707A
Other languages
German (de)
English (en)
Other versions
EP2026431A3 (fr
Inventor
Thierry Starck
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.)
Areva Energietechnik GmbH
Original Assignee
Areva Energietechnik GmbH
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 Areva Energietechnik GmbH filed Critical Areva Energietechnik GmbH
Publication of EP2026431A2 publication Critical patent/EP2026431A2/fr
Publication of EP2026431A3 publication Critical patent/EP2026431A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/32—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with rectilinearly-movable contact
    • 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
    • H01H33/6606—Terminal arrangements
    • 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
    • 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
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5833—Electric connections to or between contacts; Terminals comprising an articulating, sliding or rolling contact between movable contact and terminal
    • 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
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55—Oil reservoirs or tanks; Lowering means therefor

Definitions

  • the invention relates to a switch module for an electrical switchgear according to the preamble of claim 1.
  • Such a switch module in which a three-position switch and / or a circuit breaker are housed in a filled with insulating metallic housing, is well known.
  • the object of the invention is to provide a switch module for an electrical switchgear, which has a compact design possible.
  • the invention solves this problem by a switch module for an electrical switchgear according to claim 1.
  • the switch module according to the invention is provided with a metallic housing in which a three-position switch and / or a circuit breaker is housed / is, and which is filled with an insulating liquid.
  • the housing has a substantially cylindrical base body with a longitudinal axis and an approximately right-angled protruding from the base outlet and a further outlet. Each of the two outlets is connected liquid-tight with an insulating bushing. In each of the two bushings, a metallic contact piece is received liquid-tight. The contacts are accessible from the outside and connected to the three-position switch and / or the circuit breaker.
  • the three-position switch and / or the circuit breaker are / is provided for actuation with a rod which is led out of the housing at one end of the body in a liquid-tight manner.
  • the rod can be led out to actuate the three-position switch and / or circuit breaker at one end of the body. This makes possible it is to arrange the components of the three-position switch and / or the circuit breaker particularly compact inside the body.
  • the switch module according to the invention requires no environmentally harmful SF6 gas, at the same time the dielectric strength of the insulating liquid is substantially greater than SF6 gas.
  • the switch module according to the invention can furthermore be designed such that environmental influences, such as moisture, dust and the like, can exert no influence on the functionality. Due to the metallic housing of the switch module, a particularly good heat dissipation is achieved.
  • the compact design of the switch module according to the invention has the further advantage that only a small amount of insulating liquid is required, which is associated with a low risk of fire.
  • the switch module is a three-position switch or as a circuit breaker and then arbitrarily select these two modules to combine with each other. In this way, a large number of variants of electrical switchgear can be put together.
  • the further outlet is arranged at the other end of the base body or projects at right angles from the base body.
  • FIG. 1a shows a schematic sectional view of a first embodiment of a switch module according to the invention for an electrical switchgear in an on position
  • Figures 1b and 1c show schematic representations of the switch module of FIG. 1a in an off or disconnected position and a grounded position
  • FIG. 2 shows a schematic sectional view of a second embodiment of a switch module according to the invention for an electrical switchgear
  • FIG. 3 shows a schematic sectional view of a third embodiment of a switch module according to the invention for an electrical switchgear
  • FIG. 4 shows a schematic sectional view of a fourth embodiment of a switch module according to the invention for an electrical switchgear.
  • FIG. 1a a switch module 10 is shown, which can be used in an electrical switchgear, in particular in a medium-voltage switchgear.
  • the switch module 10 is a one-pole three-position switch, which in the FIG. 1a in an on position, in the FIG. 1b in an off or disconnected position and in the Figure 1c is shown in a grounded position.
  • the switch module 10 has a housing 11, which consists of a metallic material.
  • the housing 11 is cast from aluminum.
  • the housing 11 may be provided with cooling fins.
  • the housing 11 is grounded.
  • the housing 11 has a substantially cylindrical base body 12 with a longitudinal axis, projecting from the two substantially cylindrical outlets 13, 14 in opposite directions each approximately at right angles.
  • the outlet 13 is arranged approximately centrally on the base body 12 in the direction of the longitudinal axis, while the outlet 14 is arranged at one end of the base body 12. At this end, the base body 12 is closed in the direction of the longitudinal axis, while the opposite end of the base body 12 has an opening 15.
  • the outlets 13, 14 each have an opening 16 and are each provided with a flange 17 to the outside.
  • the interior of the housing 11 and the interior of the outlets 13, 14 is hollow, wherein the housing 11 and the outlets 13, 14 have a substantially equal wall thickness everywhere.
  • a disc-shaped passage 18, 19 is liquid-tightly connected to the housing 11 in each case.
  • the bushings 18, 19 are made of an insulating material and have a central opening.
  • a metallic contact piece 20, 21 is liquid-tight housed in each of the bushings 18, 19.
  • the arranged at the end of the base body 12 contact piece 20 is formed substantially as a cup-shaped recess.
  • the recess of the contact piece 20 is aligned approximately coaxially with the longitudinal axis and opened in the direction of the other end of the base body 20.
  • the arranged approximately centrally on the base body 12 contact piece 21 is tubular and aligned approximately coaxially with the longitudinal axis.
  • the contact pieces 20, 21 are accessible from the outside, so that they can be connected from the outside with other electrical components.
  • the contact piece 20 is provided with a bush which projects approximately transversely to the longitudinal axis, and which is located substantially in the region within the opening of the bushing 19.
  • a plug can be plugged or screwed from the outside.
  • the contact piece 21 is provided for this purpose with a bolt which projects approximately transversely to the longitudinal axis, and which is in the region within the opening of the bushing 18 and projects beyond the bushing. On this pin can be plugged or screwed from the outside a plug.
  • the opening 15 is closed by a plate 22 liquid-tight.
  • the plate 22 may be made of an insulating material, such as a transparent plastic.
  • From the plate 22 is a metallic contact piece 23 into the interior of the body 12 from.
  • the contact piece 23 is formed substantially tubular and aligned approximately coaxially with the longitudinal axis.
  • the contact piece 23 is screwed to the housing 11, wherein the housing 11 is grounded.
  • the plate 22 Approximately coaxial with the longitudinal axis, the plate 22 has an opening.
  • the extent of the contact pieces 20, 21, 23 in the direction of the longitudinal axis is approximately selected such that between the contact pieces 20, 21 on the one hand and between the contact pieces 21, 23 on the other hand an approximately equal distance is present. Furthermore, the contact pieces 20, 21, 23, apart from the screwing of the contact piece 23, each have an approximately equal distance from the housing 11.
  • a substantially cylindrical, metallic connecting part 24 is present, which is aligned approximately coaxially to the longitudinal axis.
  • the inner diameter of the contact pieces 20, 21, 23 is slightly larger than the outer diameter of the connecting part 24.
  • the dimensions of the contact piece 21 and the connecting part 24 in the direction of the longitudinal axis are approximately selected such that the contact piece 21 is longer or at most the same length as the connecting part 24.
  • the connecting part 24 is provided at its two free ends, each with two embedded in a circumferential groove contact elements which project slightly beyond the peripheral surface of the connecting part 24 and, for example, have resilient properties. This creates in the in the FIG. 1a shown on an electrical contact from the contact piece 21 via the connecting part 24 to the contact piece 20. Accordingly arises in the in the Figure 1c shown grounded position, an electrical contact from the contact piece 21 via the connecting part 24 and via the contact piece 23 to the grounded housing 11. In the in the FIG. 1b Thus, the contact piece 20 has no electrical contact with the contact piece 21 and also no electrical contact with the grounded housing 11. Also, the contact piece 21 has no electrical contact with the grounded housing 11th
  • the connecting part 24 is coupled to a rod 25, wherein the rod 25 is made of an insulating material.
  • the rod 25 is aligned approximately coaxially to the longitudinal axis of the base body 12 and out through the opening of the plate 22 liquid-tight to the outside.
  • 25 seals may be provided between the plate 22 and the rod.
  • the rod 25 may be a push rod, so that actuation of the rod 25 in the direction of the longitudinal axis leads to a displacement of the connecting part 24 between the explained positions.
  • the rod 25 can be a spindle rod which engages in an internal thread 26 of the connecting part 24. In this embodiment, this is Connecting part 24 secured against rotation. Turning the rod 25 then leads to the aforementioned displacement of the connecting part 24.
  • the latter embodiment is in the FIG. 1a indicated.
  • the interior of the housing 11 is completely filled with an insulating liquid 27.
  • the insulating liquid 27 has the highest possible dielectric strength against tensions, low viscosity, low flammability and high compatibility with the existing inside the housing 11 materials.
  • silicone or a synthetic ester-based transformer insulating liquid may be used as the insulating liquid 27 - in addition to the explained distance - an isolation of the contact pieces 20, 21, 23 to each other. Furthermore, an isolation of the contact pieces 20, 21, 23 to the housing 11 is achieved by the insulating liquid 27 in addition to the explained distance.
  • a compensation chamber 28 is attached to the main body 12.
  • the interior of the compensation chamber 28 is connected to the interior of the housing 11 and thus to the insulating liquid 27 at least partially filled.
  • the compensation chamber 28 is hermetically sealed by a bellows.
  • the compensation chamber 28 may also be open at the top, so that the insulating liquid 27 can be controlled and optionally refilled. So that moisture can not penetrate, a vapor barrier can be provided in this case at the outlet of the compensation chamber 28.
  • a switch module 30 is shown, which can be used in an electrical switchgear, in particular in a medium-voltage switchgear.
  • the switch module 30 is a single-pole circuit breaker.
  • the switch module 30 has a housing 31 made of a metallic material.
  • the housing 31 is cast from aluminum.
  • the housing 11 may be provided with cooling fins.
  • the housing 11 is grounded.
  • the housing 31 has a substantially cylindrical base body 32 with a longitudinal axis, from which a substantially cylindrical first outlet 33 projects approximately at right angles.
  • the outlet 33 is arranged approximately centrally on the main body 32 in the direction of the longitudinal axis.
  • a second Departure 34 arranged at one of the two ends of the main body 32 .
  • the opposite end of the main body 32 has an opening 35.
  • the outlets 33, 34 each have an opening 36 and are each provided with a flange 37 to the outside.
  • the interior of the housing 31 and the interior of the outlets 33, 34 is hollow, wherein the housing 31 and the outlets 33, 34 have a substantially equal wall thickness everywhere.
  • outlet 34 coaxially to the longitudinal axis, but such that it projects approximately at right angles to the direction of the longitudinal axis.
  • a disc-shaped passage 38, 39 is connected in a liquid-tight manner to the housing 31.
  • the bushings 38, 39 are made of an insulating material and have a central opening.
  • a metallic contact piece 40, 41 introduced liquid-tight.
  • the contact pieces 40, 41 are accessible from the outside, so that they can be connected from the outside with other electrical components.
  • the arranged at the end of the body 32 contact piece 40 is cup-shaped and approximately coaxially aligned with the longitudinal axis. In the contact piece 40, a plug can be inserted or screwed from the outside.
  • the arranged approximately centrally on the base body 12 contact piece 41 is also designed approximately pot-shaped and is approximately at right angles to the longitudinal axis. In the contact piece 41 can thus also be plugged or screwed from the outside a plug.
  • a vacuum interrupter chamber 42 is arranged, which is formed substantially cylindrical and aligned in the direction of the longitudinal axis of the base body 32.
  • the peripheral surface of the vacuum interrupter chamber 42 is made of an insulating material such as ceramic.
  • the vacuum interrupter chamber 42 is connected to the housing 41 via a holder of insulating material. Between the contact pieces 40, 41 and the housing 31, an approximately constant large distance is present. The same applies to the vacuum interrupter chamber 42.
  • the fixed connection of the vacuum interrupter chamber 42 is screwed to the contact piece 40.
  • the movable terminal is formed by a rod 43 and is approximately coaxially aligned with the longitudinal axis of the vacuum interrupter chamber 42 out.
  • the contact piece 41 is screwed to a metallic flexible band 49, which is screwed at its other end to the rod 43 and thus to the movable connection of the vacuum interrupter chamber 42. This creates an electrical connection between the contact piece 41st and the movable terminal of the vacuum switching chamber 42, which is also present when the rod 43 of the movable terminal is displaced in the direction of the longitudinal axis.
  • the rod 43 is fixedly connected via a switching rod 44 made of insulating material with another metal rod 45, which are aligned approximately coaxially to the longitudinal axis.
  • the metallic rod 45 is grounded.
  • the opening 35 of the base body 32 is closed by a plate 46 liquid-tight.
  • a plate 46 liquid-tight.
  • seals between the housing 31 and the plate 46 may be present.
  • the plate 46 is preferably made of metal and is then grounded.
  • the plate 46 has in an approximately coaxial region an opening through which the rod 45 is passed.
  • the coaxial opening of the plate 46 is closed by a holder 47 liquid-tight.
  • seals between the plate 46 and the holder 47 may be provided.
  • the holder 47 has an approximately coaxially aligned to the longitudinal axis bore, in which the rod 45 is guided.
  • the holder 47 is made of metal and is grounded.
  • a substantially cylindrical bellows 48 is welded gas-tight.
  • the holder 47 thus forms the stationary end of the bellows 48.
  • the movable end of the bellows 48 consists of a disc which is gas-tight welded to the bellows 48 on the one hand and with the rod 45 on the other.
  • the bellows 48 is made of metal.
  • the contact piece 40 is electrically connected to the fixed terminal of the vacuum interrupter chamber 42. Furthermore, the movable connection of the vacuum interrupter chamber 42, ie the rod 43, is electrically connected to the contact piece 41 via the flexible band 49. The rod 43 and thus the movable connection can be actuated via the switching rod 44 and the further rod 45 from the outside in the direction of the longitudinal axis. Thus, the movable switching contact of the circuit breaker contained in the vacuum interrupter chamber 42 can be switched back and forth between its input and output.
  • the interior of the housing 31 is completely filled with an insulating liquid 50.
  • the insulating liquid 50 has the highest possible electrical breakdown strength, a low viscosity, a low flammability and high compatibility with the existing inside the housing 31 materials.
  • silicone oil or a synthetic ester based transformer insulating liquid may be used as the insulating liquid 50.
  • a compensation chamber 51 is attached to the main body 32.
  • the interior of the compensation chamber 51 is connected to the interior of the housing 31 and thus at least partially filled with the insulating liquid 50.
  • the compensation chamber 51 may be open at the top, so that the insulating liquid can be controlled and optionally topped up. So that moisture can not penetrate, a vapor barrier can be provided at the outlet of the compensation chamber 51.
  • the compensation chamber 51 may be hermetically sealed by a bellows 52, as shown in the FIG. 2 is shown. The bellows 52 allows a thermal expansion of the insulating liquid 50, without the pressure on the insulating liquid 50 changes substantially.
  • a switch module 60 is shown, which can be used in an electrical switchgear, in particular in a medium-voltage switchgear.
  • the switch module 60 is a single-pole circuit breaker.
  • the switch module 60 corresponds to the FIG. 3 the switch module 30 of FIG. 2 ,
  • the switch module 60 of the FIG. 3 a grounded metallic housing 61, which is preferably provided with cooling fins.
  • the housing 61 has a substantially cylindrical base body 62 with a longitudinal axis from which two substantially cylindrical outlets 63, 64 protrude.
  • the outlet 63 is arranged in the direction of the longitudinal axis approximately centrally on the base body 62 and is approximately at right angles.
  • the outlet 64 is disposed at one end of the main body 62 and is aligned in the direction of the longitudinal axis.
  • the opposite end of the base body 62 has an opening 65 which is liquid-tightly closed by a plate 66.
  • seals can be provided.
  • the interior of the housing 61 and the interior of the outlets 63, 64 is hollow, wherein the housing 61 and the outlets 63, 64 have everywhere a substantially equal wall thickness.
  • a disc-shaped passage 68, 69 liquid-tight with the housing 61 is connected.
  • the passages 68, 69 are made of an insulating material and have a central opening.
  • a metallic contact piece 70, 71 introduced liquid-tight or preferably poured.
  • the contact pieces 70, 71 are accessible from the outside, so that they can be connected from the outside with other electrical components.
  • the arranged at the end of the base 62 contact piece 70 is cup-shaped and approximately coaxially aligned with the longitudinal axis.
  • a plug can be inserted or screwed from the outside.
  • the arranged approximately centrally on the base body 62 contact piece 71 is also formed approximately pot-shaped and approximately coaxially aligned with the longitudinal axis. In the contact piece 71 can thus also be plugged or screwed from the outside a plug.
  • a metallic electrode 72 is screwed, which is approximately bell-shaped.
  • a metallic contact part 73 is screwed, which has a cup-shaped recess which is aligned approximately coaxially to the longitudinal axis and open in the direction of the contact piece 70.
  • a vacuum interrupter chamber 74 is arranged, which is formed substantially cylindrical and aligned in the direction of the longitudinal axis of the base body 62.
  • the peripheral surface of the vacuum interrupter chamber 74 is made of an insulating material such as ceramic.
  • the fixed connection of the vacuum interrupter chamber 74 is connected to the contact piece 70.
  • the electrode 72 serves to shield sharp edges of the vacuum interrupter chamber 74. Between the electrode 72 and the contact member 73 and the housing 61, an approximately constant large distance is present. The same applies to the vacuum interrupter chamber 74.
  • the movable terminal is formed by a rod 76 and is approximately coaxially aligned with the longitudinal axis of the vacuum interrupter chamber 74 out.
  • the contact member 73 is at its free edge along the entire circumference with the inner surface of liquid-tight against the outer surface of the vacuum interrupter chamber 74.
  • ring seals may be present for this purpose.
  • the contact part 73 in the region of its bottom on a bore which is approximately coaxially aligned with the longitudinal axis, and whose diameter corresponds approximately to the diameter of the rod 76. Through this hole, the rod 76th passed liquid-tight.
  • seals may be provided for this purpose.
  • a metallic sliding contact 77 is fixed on the rod 76, which is approximately disc-shaped, and whose free circumference has a diameter which is only slightly smaller than the diameter of the inner surface of the contact part 73.
  • the sliding contact 77 is embedded in a circumferential groove, a contact element which projects slightly beyond the circumference of the sliding contact 77 and has, for example, resilient properties.
  • the rod 76 of the vacuum switch 74 is connected via an insulating part 78 fixed to a rod 79, wherein the rod 79 is aligned approximately coaxially to the longitudinal axis of the base body 62 and guided through an opening of the plate 66 to the outside.
  • the rod 79 is metallic and is grounded.
  • a preferably metallic bellows 80 is provided, which is liquid-tightly connected to the rod 79 and the plate 66. The switching contact of the circuit breaker contained in the vacuum switching chamber 74 can thus be switched on and off by moving the rod 79 from the outside.
  • the interior of the housing 71 is completely filled with an insulating liquid 81.
  • an insulation of the contact pieces 70, 71, the electrode 72 and the contact part 73 and the vacuum switching chamber 74 is achieved to the housing 61.
  • a compensation chamber 82 is attached to the main body 61.
  • the interior of the expansion chamber 82 is connected to the interior of the housing 71 and thus at least partially filled with the insulating liquid 81.
  • the compensation chamber 82 is hermetically sealed by means of a preferably metallic bellows 83.
  • a switch module 90 is shown, which can be used in an electrical switchgear, in particular in a medium-voltage switchgear.
  • the switch module 90 is a single pole three position switch combined with a single pole power switch.
  • the switch module 90 is the FIG. 4 from the switch module 10 of FIGS. 1a to 1c and from the switch module 30 of FIG. 2 composed.
  • the switch module 90 of the FIG. 4 a housing 91 which consists of two substantially cylindrical basic bodies 92, 93 which are arranged approximately parallel to one another.
  • a three-position switch is housed, as in connection with the FIGS. 1a to 1c was explained.
  • the contact parts 20, 21, 23 and the connecting part 24 of this three-position switch are shown schematically.
  • the lower body 93 a circuit breaker is housed, as in connection with the FIG. 2 was explained.
  • the contact parts 40, 41 and the vacuum interrupter chamber 42 are shown schematically.
  • the departure 13 of the switch module 10 of FIGS. 1a to 1c and the outlet 33 of the switch module 30 of FIG. 2 are in the switch module 90 of FIG. 4 connected with each other.
  • the contact part 21 of FIGS. 1a to 1c and the contact part 41 of FIG. 2 formed as a common contact part 94. This results in an electrical series connection of the three-position switch and the circuit breaker.
  • Deviating from the FIG. 2 is the departure 34 of the switch module 90 of FIG. 4 not approximately coaxial with the longitudinal axis, but is approximately at right angles to Longitudinal axis off.
  • a contact part 95 is provided between the contact part 40 and the vacuum interrupter chamber 42.
  • outlet 34 of the switch module 90 is aligned approximately coaxially to the longitudinal axis.
  • the actuation of the three-position switch and the circuit breaker takes place from the same side of the switch module 90.
  • openings for the implementation of the rods provided for the operation are included.
  • the three-position switch and the circuit breaker can be used in conjunction with the FIGS. 1a to 1c and 2 explained manner be operated.
  • the interior of the housing 91 is completely filled with an insulating liquid 98.
  • the insulating liquid 98 has the highest possible dielectric strength against tensions, low viscosity, low flammability and high compatibility with the materials present in the interior of the housing 91.
  • Insulating fluid 98 silicone oil or a transformer based on synthetic ester based are used.
  • the insulating liquid 98 an insulation of the contact parts 20, 21, 23, 94 of the three-position switch is achieved to each other.
  • insulation of the contact parts 20, 21, 23, 94 to the housing 91 is achieved by the insulating liquid 98.
  • insulation of the contact parts 40, 41, 95 and the vacuum switching chamber 42 to the housing 61 is achieved by the insulating liquid 98.

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  • Gas-Insulated Switchgears (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP07024707A 2006-11-29 2007-12-20 Module de commutateur pour un dispositif de commutation électrique Withdrawn EP2026431A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006056656A DE102006056656A1 (de) 2006-11-29 2006-11-29 Schaltermodul für eine elektrische Schaltanlage

Publications (2)

Publication Number Publication Date
EP2026431A2 true EP2026431A2 (fr) 2009-02-18
EP2026431A3 EP2026431A3 (fr) 2009-06-24

Family

ID=39363003

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07024707A Withdrawn EP2026431A3 (fr) 2006-11-29 2007-12-20 Module de commutateur pour un dispositif de commutation électrique

Country Status (2)

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EP (1) EP2026431A3 (fr)
DE (1) DE102006056656A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3101675A4 (fr) * 2014-08-15 2017-04-12 Zhejiang Limited Corporation of Daodu Intelligent Switch Pôle combiné à enrobage plein et son principe de fonctionnement

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2244275B1 (fr) * 2009-04-23 2014-06-18 Ormazabal Y Cia., S.L.U. Appareils de coupure pour réseau de distribution électrique
DE102010004981B3 (de) * 2010-01-18 2011-07-21 Abb Technology Ag Metallgekapselter, gasisolierter kombinierter Trenn- und Erdungsschalter
EP3240001A1 (fr) * 2016-04-27 2017-11-01 ABB Schweiz AG Dispositif à élément de contact de forme cylindrique pour un commutateur à trois positions dans des dispositifs de commutation à moyenne ou haute tension à isolation gazeuse
EP3754681B1 (fr) * 2019-06-21 2026-01-21 ABB Schweiz AG Commutateur de déconnexion à trois positions

Citations (9)

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DE1232251B (de) 1965-09-24 1967-01-12 Transform Roentgen Matern Veb Ausdehnungskoerper fuer isolierfluessigkeitsgefuellte Transformatoren, Wandler oder Drosselspulen
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