EP1845540A2 - Interrupteur à trois positions en particulier pour appareillage de commutation à moyenne ou haute tension - Google Patents

Interrupteur à trois positions en particulier pour appareillage de commutation à moyenne ou haute tension Download PDF

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Publication number
EP1845540A2
EP1845540A2 EP06025171A EP06025171A EP1845540A2 EP 1845540 A2 EP1845540 A2 EP 1845540A2 EP 06025171 A EP06025171 A EP 06025171A EP 06025171 A EP06025171 A EP 06025171A EP 1845540 A2 EP1845540 A2 EP 1845540A2
Authority
EP
European Patent Office
Prior art keywords
position switch
housing
connecting piece
sleeve
face
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
EP06025171A
Other languages
German (de)
English (en)
Other versions
EP1845540B1 (fr
EP1845540A3 (fr
Inventor
Achim Stelter
Karsten Stumpf
Hilmar Reitz
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.)
GE Grid 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
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Application filed by Areva Energietechnik GmbH filed Critical Areva Energietechnik GmbH
Publication of EP1845540A2 publication Critical patent/EP1845540A2/fr
Publication of EP1845540A3 publication Critical patent/EP1845540A3/fr
Application granted granted Critical
Publication of EP1845540B1 publication Critical patent/EP1845540B1/fr
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Anticipated expiration legal-status Critical

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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
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/365—Bridging contacts
    • 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
    • H01H33/025—Terminal arrangements

Definitions

  • the invention relates to a three-position switch, in particular for a medium or high voltage switchgear, with an electrically grounded housing having a first and a second end face, with a first and a second connector to which an electrical conductor is connected from the outside, as well as with a along an axis displaceable contact part with which either one of the two connecting pieces is electrically connectable to the housing or neither of the two connecting pieces is electrically connected to the housing or the two connecting pieces are electrically connected to each other.
  • Such a three-position switch is for example from the EP 1 128 509 A1 known.
  • This is a gas-insulated switch, in which the two connecting pieces on the circumference of the housing accessible from the outside and thus the respectively associated electrical conductors are connected there.
  • the object of the invention is to provide a three-position switch, which contributes to the reduction of the required space.
  • This embodiment has the advantage that the three-position switch according to the invention forms an extremely compact structural unit, which requires little space for itself.
  • the three-position switch can thus be completely assembled and factory tested together with another switching device, such as a circuit breaker, and then due to the compactness of entire arrangement to be transported as a complete device to the site.
  • the inventive arrangement of the two connecting pieces is further achieved that no components of the three-position switch are present or must be accessible at the periphery of the housing. This results in the advantage that other components of the electrical switchgear can be arranged on the circumference of the three-position switch. This leads to a further reduction of the total required space.
  • At least one current transformer core is arranged on the circumference of the housing of the three-position switch. This means that the three-position switch is integrated within the current transformer core. Overall, this design has a much smaller footprint than the current transformer cores and the three-position switch in a separate design require.
  • the first connection piece has a portion which is provided with a bore which is accessible from the outside at the first end side, and in which the electrical conductor can be inserted from the outside.
  • the inventive Connectivity of the first connector and the electrical conductor to be realized at the first end side in a simple manner. It is understood that the bore can be arranged approximately coaxially with the axis, but also off-center on the front side.
  • the second connection piece protrudes outwards on the second end face and the electrical conductor can be connected from the outside there.
  • This likewise represents a simple realization of the connectability according to the invention of the second connection piece and of the electrical conductor on the second end face.
  • the connection is provided approximately coaxially to the axis or off-center.
  • the second connecting piece is pin-shaped or tubular
  • the displaceable contact part is designed as a sleeve, which is displaceable back and forth on the pin-shaped or tubular second connecting piece. In this way, a guide of the contact part is realized on the second connector, which has a high reliability with low construction costs.
  • the first connector has a second connector facing portion which is provided with a bore whose inner diameter is adapted to the outer diameter of the sleeve. This makes it possible in a particularly advantageous manner, electrically connect the first and the second connector via the sleeve with each other.
  • the displaceable contact part is connected to a plate which projects approximately transversely to the axis of the contact part. With the help of this plate, it is possible to influence the electric field in the interior of the three-position switch. This can be used to make the three-position switch according to the invention even more compact.
  • the housing has an inwardly projecting portion whose inner diameter is adapted to the outer diameter of the plate is particularly advantageous.
  • the plate thus has a double function, namely for field control and grounding.
  • the displaceable contact part via a transmission in particular a lever is movable back and forth, and when the transmission, in particular the lever is arranged on the side facing away from the first connecting piece of the plate. In this way, the plate can be used for electrical shielding of the lever.
  • Figure 1 shows a schematic sectional view of an embodiment of a three-position switch according to the invention in a grounded position
  • Figure 2 shows a schematic sectional view of the three-position switch of Figure 1 in a separate position
  • Figure 3 shows a schematic sectional view of the three-position switch of Figure 1 in a closed position.
  • FIGS. 1 to 3 show a three-position switch 10 of a medium or high-voltage switchgear.
  • AIS air-insulated switchgear
  • GIS gas-insulated switchgear
  • the three-position switch 10 of Figures 1 to 3 is largely rotationally symmetrical and has an axis A. Approximately transversely to the axis A, the three-position switch 10 has a first end face S1 and a second end face S2.
  • the three-position switch 10 has a housing 13 which is formed substantially cylindrical, and from the three annular portions 14, 15, 16 protrude inwardly in the direction of the axis A.
  • the housing 13 is made of an electrically conductive material and is electrically grounded.
  • the housing 13 is surrounded by three current transformer cores 18, which rotate the housing 13 approximately coaxial with the axis A, and in the direction of the axis A are arranged side by side.
  • the current transformer cores 18 are covered by a shielding plate 19.
  • a disc-shaped insulating member 21 is held, which has a circular opening 22 approximately centrally and thus approximately coaxial with the axis A.
  • the insulating part 21 may have off-center openings for the purpose of replacing insulating gas.
  • a first connecting piece 24 is held, which consists of an electrically conductive material. The first connector 24 is accessible from the outside at the end face S1 of the three-position switch 10.
  • the first connector 24 has a cylindrical portion 25 and a mushroom-shaped portion 26. Both sections 25, 26 are aligned approximately coaxially to the axis A.
  • the cylindrical portion 25 is accessible from the outside at the end face S1 and has a bore 27 approximately coaxial with the bore 27, which is provided so that an electrical conductor can be inserted therein from the outside.
  • the electrical conductor is in particular a rod.
  • the bore 27 of the section 25 is accessible for this purpose from the outside.
  • the mushroom-shaped portion 26 is located in the interior of the three-position switch 10 and has a to the axis A. coaxial bore 28, whose purpose will be explained.
  • a ring 29 is attached from the outside to the cylindrical portion 25.
  • a disc-shaped insulating member 31 is held, which has a circular opening 32 approximately centrally and thus approximately coaxial with the axis A.
  • the insulating member 31 may have off-center openings for the purpose of exchanging insulating gas.
  • a second connecting piece 34 is held, which consists of an electrically conductive material. The second connector 34 is accessible from the outside at the front side S2 of the three-position switch 10.
  • the second connecting piece 34 is formed pin-shaped or tubular and is approximately coaxially aligned with the axis A. In the interior of the three-position switch 10, the diameter of the second connecting piece 34 is substantially constant.
  • the second connecting piece 34 is provided with two projecting rings 35, 36.
  • the second connecting piece 34 projects outward on the end face S2 out of the housing 13 of the three-position switch 10. There, the second connector 34 can be connected from the outside with an electrical conductor.
  • the electric Ladder may in particular be a cylindrical component.
  • a cylindrical sleeve 38 is slidably disposed in the interior of the three-position switch 10.
  • the sleeve 34 is made of an electrically conductive material.
  • the sleeve 34 can be pushed back and forth in the direction of the axis A on the second connector 34.
  • the sleeve 38 thus represents a displaceable contact part along an axis.
  • the inner diameter of the sleeve 38 and the outer diameter of the second connecting piece 34 are matched to one another such that in each sliding position, an electrical connection between the second connector 34 and the sleeve 38 is present. Furthermore, the sleeve 38 and the mushroom-shaped portion 26 of the first connector 24 are matched to each other, as will be explained.
  • the sleeve 38 In the area of that free end of the sleeve 38, which faces the first connector 24, the sleeve 38 is provided with a disk-shaped plate 39. This plate 39 is approximately transversely to the axis A of the sleeve 38 and protrudes into the interior of the three-position switch 10th
  • the plate 39 is made of an electrically conductive material.
  • a rod 41 is pivotally mounted on the sleeve 38, which is connected via a pivotally hinged lever 42 with a rotatable shaft 43.
  • the rod 41 and / or the lever 42 are made of an electrically insulating material.
  • the shaft 43 is mounted in the housing 13 approximately transversely to the axis A and guided in a manner not shown by the housing 13 through to the outside. By a corresponding rotational movement of the shaft 43, the sleeve 38 can be moved over the rod 41 and the lever 42 on the second connecting piece 34 in the direction of the axis A back and forth.
  • the rod 41 and the lever 42 are arranged behind the plate 39.
  • the plate 39 can thus be used for electrical shielding of the rod 41 and the lever 42.
  • the electric field in the interior of the three-position switch 10 can be influenced by the spatial arrangement and design of the plate 39.
  • a transmission can be provided.
  • at least one component of the transmission consists of an electrically insulating material.
  • the transmission or at least a part thereof on the side facing away from the first connector 24 side of the plate 39 is arranged.
  • a gear transmission is provided, in which a gear is mounted on the shaft 43 and a rack is coupled to the sleeve 38, wherein the gear and the rack engage with each other.
  • a contact ring 45 is arranged, which consists of an electrically conductive material and is electrically connected to the housing 13.
  • the disc-shaped portion 15 projecting inwardly from the housing 13 and the disc-shaped plate 39 projecting outward from the sleeve 38 are adapted to one another such that - provided the plate 39 is arranged in the region of the portion 15 - an electrical connection between the sleeve 38 via the plate 39 and the contact ring 45 to the portion 15 of the three-position switch 10 is present.
  • FIG. 1 shows a grounded position of the three-position switch 10.
  • the second connector 34 is thus at the same electrical potential as the housing 13 and is grounded to it ,
  • the first connector 24 has no electrical connection to the second connector 34 and is also not grounded.
  • FIG 2 a separate position of the three-position switch 10 is shown.
  • the plate 39 has no electrical connection with the contact ring 45, so that the second connector 34 is no longer connected to the housing 13.
  • the second connector 34 is thus no longer grounded.
  • the first connector 24 also has no electrical connection to the second connector 34 and is also not grounded.
  • FIG. 3 shows a closed position of the three-position switch 10.
  • the free end of the sleeve 38 is immersed in the bore 28 of the mushroom-shaped portion 26 of the first fitting 24.
  • the outer diameter of the sleeve 38 is matched to the inner diameter of the bore 28 of the mushroom-shaped portion 26 of the first connector 24, that in the immersed state, an electrical connection between the sleeve 38 and the first connector 24 is present.
  • connection piece on the first end face S1 as a cylindrical pin and / or the connection piece on the second end face S2 is formed as a cylindrical bore.
  • the entire three-position switch 10 can be installed not only in the position shown in Figures 1 to 3 in a medium or high voltage switchgear, but also vice versa, so rotated by 180 degrees.
EP20060025171 2006-04-12 2006-12-06 Interrupteur à trois positions en particulier pour appareillage de commutation à moyenne ou haute tension Active EP1845540B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610017131 DE102006017131A1 (de) 2006-04-12 2006-04-12 Dreistellungsschalter insbesondere für eine Mittel- oder Hochspannungsschaltanlage

Publications (3)

Publication Number Publication Date
EP1845540A2 true EP1845540A2 (fr) 2007-10-17
EP1845540A3 EP1845540A3 (fr) 2008-05-14
EP1845540B1 EP1845540B1 (fr) 2013-02-13

Family

ID=38098604

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060025171 Active EP1845540B1 (fr) 2006-04-12 2006-12-06 Interrupteur à trois positions en particulier pour appareillage de commutation à moyenne ou haute tension

Country Status (3)

Country Link
EP (1) EP1845540B1 (fr)
CN (1) CN101055813B (fr)
DE (1) DE102006017131A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011020508A1 (fr) * 2009-08-20 2011-02-24 Siemens Aktiengesellschaft Sectionneur pour un appareillage de commutation
WO2013160115A1 (fr) * 2012-04-28 2013-10-31 Siemens Aktiengesellschaft Commutateur d'isolation/mise à la terre à trois phases en un seul boîtier
FR3003097A1 (fr) * 2013-03-05 2014-09-12 Alstom Technology Ltd Systeme d'entrainement par biellettes d'un capot suiveur pour un dispositif de mise a la terre haute tension
WO2014135533A1 (fr) * 2013-03-05 2014-09-12 Alstom Technology Ltd Systeme d'entrainement par gachette d'un capot suiveur pour un dispositif de mise a la terre haute tension
CN104865505A (zh) * 2015-04-30 2015-08-26 广州白云电器设备股份有限公司 一种用于三相共箱型高压gis的工频耐压试验装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102184793B (zh) * 2011-04-21 2014-02-12 西安新锐电力设备有限公司 一种隔离开关
WO2019161519A1 (fr) * 2018-02-20 2019-08-29 Industrial Connections & Solutions LLC Dispositif de commutation pour systèmes de distribution d'énergie électrique

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE877469C (de) * 1950-07-07 1953-05-26 Merlin Gerin Trenn- oder Leistungsschalter
DE2037234A1 (de) * 1970-07-01 1972-02-03 Inst Prueffled Fuer Elektrisch Schaltgerat für hohe Spannungen
EP1226596A1 (fr) * 1999-11-03 2002-07-31 VEI Power Distribution S.p.A. Appareil tripolaire a structure compacte pour stations electriques
WO2005062325A1 (fr) * 2003-12-19 2005-07-07 Mitsubishi Denki Kabushiki Kaisha Deconnecteur
DE10360633A1 (de) * 2003-12-19 2005-07-28 Abb Technology Ag Mittelspannungsschaltanlage
DE102004006045A1 (de) * 2004-01-30 2005-08-25 Siemens Ag Druckgasisolierter Trennschalterbaustein und Durchführungsanordnung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2742775A1 (de) * 1977-09-20 1979-03-29 Siemens Ag Schalteinrichtung fuer mittelspannungskabelnetze
FR2805406B1 (fr) * 2000-02-23 2002-08-23 Alstom Commutateur electrique a trois positions avec un element de commutation mobile axialement
DE10030670C2 (de) * 2000-06-23 2002-06-13 Siemens Ag Vakuumschaltröhre mit zwei Kontaktsystemen
CN2569325Y (zh) * 2002-09-02 2003-08-27 史用鼎 全绝缘三工位高压隔离开关

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE877469C (de) * 1950-07-07 1953-05-26 Merlin Gerin Trenn- oder Leistungsschalter
DE2037234A1 (de) * 1970-07-01 1972-02-03 Inst Prueffled Fuer Elektrisch Schaltgerat für hohe Spannungen
EP1226596A1 (fr) * 1999-11-03 2002-07-31 VEI Power Distribution S.p.A. Appareil tripolaire a structure compacte pour stations electriques
WO2005062325A1 (fr) * 2003-12-19 2005-07-07 Mitsubishi Denki Kabushiki Kaisha Deconnecteur
DE10360633A1 (de) * 2003-12-19 2005-07-28 Abb Technology Ag Mittelspannungsschaltanlage
DE102004006045A1 (de) * 2004-01-30 2005-08-25 Siemens Ag Druckgasisolierter Trennschalterbaustein und Durchführungsanordnung

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011020508A1 (fr) * 2009-08-20 2011-02-24 Siemens Aktiengesellschaft Sectionneur pour un appareillage de commutation
WO2013160115A1 (fr) * 2012-04-28 2013-10-31 Siemens Aktiengesellschaft Commutateur d'isolation/mise à la terre à trois phases en un seul boîtier
FR3003097A1 (fr) * 2013-03-05 2014-09-12 Alstom Technology Ltd Systeme d'entrainement par biellettes d'un capot suiveur pour un dispositif de mise a la terre haute tension
WO2014135533A1 (fr) * 2013-03-05 2014-09-12 Alstom Technology Ltd Systeme d'entrainement par gachette d'un capot suiveur pour un dispositif de mise a la terre haute tension
FR3003096A1 (fr) * 2013-03-05 2014-09-12 Alstom Technology Ltd Systeme d'entrainement par gachette d'un capot suiveur pour un dispositif de mise a la terre haute tension
CN104865505A (zh) * 2015-04-30 2015-08-26 广州白云电器设备股份有限公司 一种用于三相共箱型高压gis的工频耐压试验装置
CN104865505B (zh) * 2015-04-30 2018-03-06 广州白云电器设备股份有限公司 一种用于三相共箱型高压gis的工频耐压试验装置

Also Published As

Publication number Publication date
EP1845540B1 (fr) 2013-02-13
CN101055813A (zh) 2007-10-17
DE102006017131A1 (de) 2007-10-18
EP1845540A3 (fr) 2008-05-14
CN101055813B (zh) 2012-02-01

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