WO2011135037A1 - Traversee pour appareillage electrique sous enveloppe metallique et ensemble pour sectionneur de mise à la terre a maintien mecanique ameliore - Google Patents
Traversee pour appareillage electrique sous enveloppe metallique et ensemble pour sectionneur de mise à la terre a maintien mecanique ameliore Download PDFInfo
- Publication number
- WO2011135037A1 WO2011135037A1 PCT/EP2011/056766 EP2011056766W WO2011135037A1 WO 2011135037 A1 WO2011135037 A1 WO 2011135037A1 EP 2011056766 W EP2011056766 W EP 2011056766W WO 2011135037 A1 WO2011135037 A1 WO 2011135037A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- contact
- electrical equipment
- bore
- sleeve
- electrical
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/26—Lead-in insulators; Lead-through insulators
- H01B17/265—Fastening of insulators to support
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/075—Earthing arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
Definitions
- the present invention relates mainly to a passage for electrical equipment in a medium-voltage and high-voltage sealed gas-insulated switchgear ("Anglo-Saxon"), in particular single-phase three-phase electrical equipment and an assembly for disconnect switches. earth used in electrical equipment
- Electrical equipment in a sealed enclosure is usually provided with earthing switches to ground the conductor or conductors in the metal enclosure, thereby ensuring operator safety during maintenance and inspection of the various types of equipment. parts of the apparatus.
- Such earthing switches are for example known from WO2007 / 042548.
- They comprise a fixed earth contact passing through the envelope of the electrical equipment, the end of the earth contact located outside the envelope is connected to the earth and the end located inside the envelope earths, via a movable contact, a contact, said phase contact, electrically connected to a conducting bar.
- the mounting of the fixed contact through the casing must be sealed to the dielectric gas under pressure contained in the casing, furthermore the fixed earth contact is electrically insulated from the casing.
- the fixed earth contact is mounted through the casing via an electrical insulating sleeve, a plate and screw system is provided to maintain the fixed earth contact.
- This assembly is complex and applies significant mechanical and dielectric stresses to the sleeve.
- the document FR 1413462 describes a fixed contact mounted through the wall of a housing, which is electrically insulated with respect to this housing.
- the assembly requires a large number of parts.
- a bushing for metal-enclosed electrical equipment and more particularly by an earthing switch assembly comprising a stationary fixed contact in a bore of a carrier, the fixed contact having an elongate body of longitudinal axis of which a first longitudinal portion projects from the support and is intended to be electrically connected, for example to earth, and a second longitudinal portion intended to be housed in the envelope of the electrical equipment, the connection zone between the first and second portions having a radial projection, said projection having a first and a second annular face inclined with respect to the longitudinal axis.
- Electrical insulating means for example in the form of two sleeves, are mounted in the bore to isolate the fixed contact of the support.
- the inner surface of the sleeves is shaped to come into plane bearing respectively against the first and second inclined face of the radial projection.
- a clamping plate mounted on the support keeps the fixed contact in the bore stationary via the sleeves.
- the longitudinal clamping force applied by the clamping plate is divided into a axial component and a radial component, which ensures a very good maintenance of the fixed contact in the support both radially and axially.
- the rigidity of the mechanical maintenance of the fixed contact in the casing is increased, which on the one hand avoids soliciting the seal between the fixed contact and the casing and, on the other hand, ensures very good guiding of the movable contact articulated on the fixed contact.
- the mounting elements are simple in structure and are few. The assembly is then simplified.
- the sleeve located on the outer side of the envelope borders the first portion of the fixed contact over a certain length outside the support, this length can be adjusted to change the withstand voltage of the electrical equipment.
- the subject of the present invention is therefore a bushing for electrical equipment in a sealed metal envelope filled with a dielectric gas under pressure
- a conductive element mounted in a support forming a part of the envelope of said apparatus, the support comprising a through bore in which the conductive element is mounted, the conductive element comprising an elongated body of longitudinal axis provided on its lateral face with a radial projection, said projection being delimited longitudinally on the one hand by a first annular face inclined with respect to the longitudinal axis and secondly by a second inclined annular face with respect to the longitudinal axis, the two faces having opposite inclination orientations, electrical insulation means being mounted in the bore and interposing at least between a shoulder of the bore and the fixed contact, said means comprising inclined faces bearing flat against the first and second inclined annular faces of the radial projection, and a clamping plate being mounted on the support and bearing against the electrical insulation means so as to apply a clamping force on the electrical insulation means resting on one shoulder of the bore.
- the electrical insulation means may comprise a first sleeve of electrical insulating material surrounding a first portion of the conductive element and mounted between the shoulder of the bore and the radial projection, and being provided with a chamfer in plane contact with the first inclined face of the radial projection, and a second sleeve of electrical insulating material surrounding a second portion of the conductive element and mounted between the radial projection and the clamping plate, and being provided with a chamfer in plane contact with the second inclined face of the radial projection.
- the second sleeve comprises a portion of larger outside diameter carrying the chamfer and a small diameter portion bordering the second portion of the fixed contact through and beyond the clamping plate.
- the first sleeve also advantageously comprises a ventilation passage passing through the first sleeve from one side to allow a flow of gas between the two longitudinal faces of the first sleeve.
- the inclined faces have an angle of inclination with respect to the longitudinal axis of between 30 ° and 60 °, and even more advantageously equal to 45 °.
- One of the faces could have an angle of inclination of up to 90 °.
- the contact between the conductive member and the second sleeve may be dielectric gas tight and the contact between the second sleeve and the bore may be dielectric gas tight.
- O-rings are mounted in grooves made in the lateral surface of the conductive element and in contact with the bore of the second sleeve, and / or O-rings are mounted in grooves formed in the lateral surface of the second sleeve in contact with the bore of the support.
- the clamping plate is fixed on the support by means of screws screwed directly into the support.
- the face of the clamping plate in contact with the second sleeve comprises a recess receiving a portion of the second sleeve projecting from the bore of the support.
- the end of the conductive element intended to be located outside the envelope of the electrical equipment comprises a flat and a bore passing through this flat, for mounting a connection bar.
- the present invention also relates to an assembly for an earthing switch comprising at least one bushing according to the present invention, the conductive element being a fixed contact and comprising at least one moving contact slidably mounted relative to the fixed contact, the mobile contact being intended to put the fixed contact in electrical contact and a phase contact connected to a current conductor of said electrical equipment
- the present invention also relates to an assembly for earthing switch for three-phase electrical equipment, comprising three sets according to the present invention.
- the three flats made on the fixed contacts may be substantially in the same plane to allow the fixing of a ground bar.
- the support advantageously comprises on its outer face two bosses each located between two ends of fixed contacts and provided with a bore for fixing a ground bar on the cover.
- the upper ends of the bosses are for example located substantially in the same plane as the longitudinal end of the second sleeve protruding outside the hood and the axial edges of the flats.
- the present invention also relates to a medium or high voltage electrical equipment in a sealed metal envelope filled with dielectric gas under pressure comprising a metal casing and at least one electrical conductor connected to a phase contact, and at least one assembly according to the present invention, the support being mounted in a sealed manner on the envelope.
- the casing has a generally tubular shape, the cover of said assembly being mounted laterally on the casing.
- the present invention also relates to a medium or high voltage three-phase electrical equipment comprising three electrical conductors each connected to a phase contact and an assembly according to the present invention.
- the apparatus comprises for example a ground bar fixed on the ends of the fixed contacts by means of screw-nut systems.
- the grounding bar can be fixed to the cover by screws screwed into the bores of the bosses.
- FIG. 1 is a longitudinal sectional view of a part of an earthing switch assembly according to the present invention
- FIG. 2 is a perspective view of the outside of a three-phase electrical apparatus comprising three grounding disconnector assemblies of FIG. 1;
- FIG. 3 is a schematic perspective view of an example of electrical equipment to which the invention can be applied,
- FIG. 4 is a sectional view of an exemplary embodiment of an earthing switch according to the present invention.
- the present invention applies to both single-phase earthing switches and three-phase earthing switches.
- the fixed earth contact has a shape of revolution and the elements forming the assembly for earthing switch. This simplifies the realization of the elements and the assembly thereof.
- FIG. 3 a schematic representation of an example of three-phase electrical equipment to which the present invention can be applied can be seen.
- the electrical equipment 2 comprises a sealed envelope 6 filled with a dielectric gas under pressure, for example sulfur hexafluoride (SF6).
- a dielectric gas under pressure for example sulfur hexafluoride (SF6).
- the electrical equipment 2 comprises, housed in the casing 6, one or more current conductors 8 or conductive bars, for example high voltage, extending in the direction of the X axis.
- the envelope 6 has a first tubular portion 6.1 with a longitudinal axis X and a second portion 6.2 forming a lateral cap attached to the tubular portion 6.1.
- the tubular portion 6.1 has a lateral opening sealed by the side cover 6.2.
- the side cover 6.2 in the example shown, has substantially the shape of a bell.
- the earthing switch assembly (s) according to the present invention are mounted through the side cover 6.2.
- the cover 6.2 is, in the example shown, provided with an annular flange 12 through which the cover 6.2 is fixed on the tubular portion 6.1 via a flange 14 bordering the lateral opening.
- the fixed contacts 18 of the earthing switch protrude from the side cover 6.2.
- the assembly for earthing switch El is mounted in a bore 16 of longitudinal axis Y passing through the cover 6.2.
- the cover 6.2 forms a support for mounting the fixed contact.
- the assembly comprises a fixed contact 18 immobilized in the bore 16.
- the bore 16 has a first portion of smaller diameter 20 facing towards the inside of the envelope 6 and a second portion of larger diameter 22 oriented towards the outside of the envelope 6, the first 20 and second part 22 being connected by an annular surface 24 forming a shoulder.
- the earthing switch comprises a fixed contact 18, a movable contact 19 and a phase contact 10 mounted in electrical contact with a current conductor, both visible in FIG. 4.
- the movable contact is intended to put in electrical contact the fixed contact 18 and the phase contact, putting the latter and the conductor to which it is connected to the ground.
- the fixed contact 18 comprises according to the present invention a radial projection 26 dividing the fixed contact into a first longitudinal portion 28 and a second longitudinal portion 30, the first portion 28 projecting inside the cover 6.2 and the second portion 30 forming protruding the outside of the cover 6.2 and intended to be connected to the ground.
- the radial projection 26 is formed geometrically by two truncated cones 32, 34 of longitudinal axis Y, and opposite taper so that they meet at their large bases.
- the truncated cones 32, 34 are delimited by the dashed lines in FIG. 1.
- the radial projection 26 comprises two annular faces 26.1, 26.2 of axis Y inclined with respect to the axis Y.
- the fixed contact is in one piece, for example machined.
- connection between the two truncated cones 32, 34 is cut so as to form a tubular zone 35 avoiding sharp angles, reducing the risk of injury.
- the set El also comprises means 36 for electrically insulating the fixed contact 18 of the cover 6.1.
- the means 36 comprise a first sleeve
- the first sleeve 28 will be referred to hereafter as “inner sleeve” and the second sleeve “outer sleeve”.
- the insulating sleeves are for example made of PET (polyethylene terephthalate) epoxy resin or PTFE (polytetrafluoroethylene).
- the inner sleeve 38 has an inner diameter substantially equal to that of the first portion 28 of the fixed contact 18 to allow mounting of the inner sleeve 38 around the first portion 28 with a minimum clearance.
- the inner sleeve 38 also has an inner chamfer 42 of inclination angle substantially equal to that of the first inclined face 26.1 and substantially equal surface, so that the chamfer 44 is in plane bearing against the first inclined face 26.1.
- the inner sleeve 38 has on its outer face a shoulder 41 bearing against the shoulder 24 of the bore 16.
- the shoulder 41 connects a larger diameter portion and a smaller diameter portion 43 mounted in the smaller diameter portion 20 of the bore 16.
- a ventilation passage 45 is formed in the inner sleeve, its contour partially intersecting the portion 43 and passing right through the larger diameter portion allowing a dielectric gas supply between the various elements and avoiding partial discharges.
- the outer sleeve 40 has an inner diameter substantially equal to that of the second portion 30 of the fixed contact 18 to allow mounting of the outer sleeve 40 around the second portion 30 with a minimum clearance.
- the outer sleeve 40 also comprises an inner chamfer 44 of inclination angle substantially equal to that of the second inclined face 26.2 of the radial projection 26 and of substantially equal surface, so that the chamfer 44 is in plane bearing against the second inclined face 26.2.
- the outer sleeve 40 has on its outer face a shoulder 48 against which abuts a clamping plate 50.
- the clamping plate 50 has a central orifice 51 for the passage of the fixed contact 18 and the smaller diameter portion 56 of the outer sleeve 40.
- the outer sleeve 40 has a first larger diameter portion 52 mounted in the larger diameter portion 22 of the bore 16 and a second smaller diameter portion 56 beyond the shoulder 48, extending through the clamping plate. 50 and bordering the portion of the second portion 30 located outside.
- the second portion 30 has a smaller diameter than that of the first portion 28.
- the creepage distance of the surface of the insulating sleeve 40 with the second portion of smaller diameter 56 is greater than that on the insulating sleeve 38 since the sleeve 38, which is inside the envelope, is in a clean atmosphere with the insulating gas.
- Sealing means are provided between the fixed contact 18 and the second sleeve 40.
- Sealing means are also provided between the outer sleeve 40 and the larger diameter portion 22 of the bore 16.
- O-rings 61 mounted in annular grooves 63 formed in the radially outer surface of the larger diameter portion 52 of the outer sleeve.
- the outer sleeve 40 is then mounted around the second portion 30 of the fixed contact 18, its chamfer 44 bearing against the second inclined face 26.2 of the radial projection 26.
- the clamping plate 50 is then mounted around the stationary contact 18 and the smaller diameter portion 56 of the outer sleeve 40.
- the clamping plate 50 is fixed on the cover with screws 62, screwed into bores 64 directly made in the cover around the bore. Tightening is effected by pressing between an inner face 66 of the clamping plate 50 and the shoulder 48 of the outer sleeve 40.
- the smaller diameter portion of the second sleeve 40 avoids the electrical bypass of the fixed contact 18 to the clamping plate 50.
- the length of the second sleeve 40 may be modified to change the holding voltage of the disconnector.
- the sum of the axial dimensions of the larger diameter portions of the inner sleeve 38 and the outer sleeve 40 is greater than the depth of the larger diameter portion 22 of the bore 16.
- the larger diameter portion 52 of the outer sleeve 40 then protrudes from the bore 16.
- the clamping plate 50 has an annular recess 66 housing the end of the larger diameter portion of the outer sleeve 40 protruding from the bore, to reduce the length of the device and therefore its size.
- FIG. 2 an example of a connection of the fixed contacts of earthing switch assemblies according to the present invention for a three-phase electrical apparatus can be seen.
- the free ends of the second portions 30 of the three fixed contacts 18 comprise a flat 68 and a transverse bore 70 at this flat surface 68.
- the three flats 68 are substantially in the same plane.
- An earthing bar 72 has a rectangular section, or at least has at least one plane lateral face, and is supported by one of its sides against the flats 68.
- the bar 72 is fixed by means of screw-nut systems 73 mounted in the bores 70 of the free ends and bores made in the ground bar 72.
- the ground bar 72 is also fixed directly on the cover 6.2.
- the cover 6.2 has two bosses 74 each provided with a bore, the bores being located between two fixed contacts 18.
- the ground bar 72 has two through bores aligned with these two bosses 74 allowing the introduction of screws 76 to immobilize the ground bar on the cover.
- the free end of the bosses 74 is aligned with the free end of the smaller diameter portions of the outer sleeves 40 bordering the fixed contacts 18 on the outside of the envelope and with the axial faces of the flats. This alignment ensures a stable attachment of the grounding bar 72 and avoids applying a torsion to the fixed contacts 18 due to a cantilever of the grounding bar 72.
- the fixed contact 18 is for example aluminum.
- the clamping plate 50 applies a force along the axis Y by pressing on the outer sleeve 40, and this force is transmitted from the outer sleeve 40 to the fixed contact 18 at the level of the support between the chamfer of the outer sleeve 40 and the second inclined face 26.2 of the radial projection 26.
- the orthogonal force to the contact surface is then distributed into a radial component and an axial component.
- the reaction at the first inclined face 26.1 is also distributed along a radial component and along an axial component.
- the stationary contact 18 is held both axially and transversely via the radial projection 26.
- the inner sleeve 38 and the outer sleeve 40 are elastically deformed upon tightening.
- the fixed contact 18 is then held rigidly in the axial and radial directions.
- the angle of inclination of the first and second inclined faces of the radial projection 26 is between 30 ° and 60, and advantageously equal to 45 °, ensuring a balanced distribution between the radial component and the axial component.
- the angle of inclination of the surface 26.1 which is in contact with the inner sleeve 38 can reach 90 °.
- the stresses applied to the fixed contact 18 during the displacement of the movable contact do not cause or little displacement of the fixed contact 18 because of its rigid or quasi-rigid mechanical holding, the sealing of the assembly is then no longer likely to be deteriorated .
- the fixed contact also forming a rigid sliding guide support for the movable contact, the guidance of the movable contact is improved.
- the electrical insulation between the fixed contact and the casing is made only by the two sleeves 38 and 40, no electrical insulating material, plastic material type, is necessary at the fastening screws of the clamping plate 50.
- the elements have relatively simple forms of revolution, allowing simple manufacture of these and an assembly also simplified.
- the present invention has the advantage of providing an independent assembly formed of the fixed contact (s) and the cover thus making it possible to simplify assembly and disassembly.
- this pre-assembly of an independent assembly makes it possible to improve the alignment of the contacts.
- the assembly has a significant compactness.
- gas seals are made in a simple manner by relatively robust O-rings, which reduces the risk of leakage.
- the shapes and arrangement of the mobile and phase contacts can be of any known type.
- the conductor extends along an axis X along which the current flows and has a side contact 10 to allow grounding of the conductor 8, this contact 10 is called phase contact.
- the contact 10 is oriented along an axis Y, orthogonal to the axis X.
- the contact 10 comprises a housing 12 electrically connected to the conductor 8 and a contact member 15 in the form of a tulip for receiving the end of a contact element of the earthing switch 4.
- the tulip shape is in no way limiting.
- the earthing switch according to the present invention may comprise three substantially similar assemblies each associated with an electrical conductor 8.
- the fixed earth contact 18 has a first longitudinal end located outside the casing 6 and a second longitudinal end located inside the casing 6.
- the second portion 28 of the fixed earth contact 18 has a housing 80 of Y axis. Therefore, the axis of the housing 80 and the axis of the contact element 10 are aligned.
- the housing 80 is provided with a peripheral wall 82.
- the moving earth contact 19 has an elongated shape, such as a rod slidably mounted in the housing 80 along the Y axis.
- the inside diameter of the housing 80 and the outside diameter of the movable contact 19 are chosen so that the movable contact 19 does not come into contact with the housing 80.
- the inside diameter of the housing 80 is 1 mm to 4 mm larger than the diameter of the movable contact 19.
- the electrical contact between the fixed contact 18 and the movable contact 19 is obtained by a tulip-shaped contact 84 which is fixed to the open end of the housing 80 of the fixed contact 18.
- the movable contact 19 is then guided by this contact 84 and mainly by a guide sleeve 88 which will be described later.
- the section of the moving earth contact 19 is circular and the housing 80 has a circular section.
- the moving earth contact 19 has a first longitudinal end 19.1 intended to penetrate into the contact element 15 of the phase contact 10.
- the second longitudinal end of the moving earth contact 19 is mechanically connected to an axial displacement device 86 of the moving earth contact 19 along the Y axis, via the insulating bushing 88 sliding around the fixed contact 18.
- this device for displacement 86 is disposed laterally with respect to the earth contact making it possible to reduce the bulk of the assembly.
- the axial retention and the radial retention of the housing 80 are improved ensuring good guidance of the movable contact 19 in the direction of the phase contact 10.
- the mechanical connection between the movable ground contact 19 and the displacement device 86 is lateral.
- the partition 82 of the housing 80 comprises at least one longitudinal slot 90 through which the moving earth contact 19 is mechanically connected to the displacement device 86.
- the partition 82 of the housing 80 has two diametrically opposed longitudinal slots 90 and the second longitudinal end of the earth contact.
- mobile 19 has a through bore orthogonal to the Y axis, in which is mounted a pin 94 connected to the displacement device 86.
- This connection ensures a balanced mechanical connection.
- the earthing switch comprises a fixed earth contact according to the present invention mounted in a mounting plate, and a movable contact along an axis perpendicular to the axis of the fixed earth contact for connecting electrically the fixed earth contact and the phase contact.
- the movable contact is formed by a rod passing through the fixed earth contact from one side to the other.
- the contact 18 could be implemented for other applications than for an earthing. For example, it could form a conductive element of a signal representative of operating characteristics of metal-enclosed electrical equipment, such as temperature.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH02163/12A CH705209B1 (fr) | 2010-04-28 | 2011-04-28 | Traversée pour appareillage électrique sous enveloppe métallique et ensemble pour sectionneur de mise à la terre à maintien mécanique amélioré. |
CN201180032486.1A CN102959816B (zh) | 2010-04-28 | 2011-04-28 | 用于金属壳体中的电设备的套管和用于具有改善的机械固位的隔离器的组件 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1053264A FR2959587B1 (fr) | 2010-04-28 | 2010-04-28 | Traversee pour appareillage electrique sous enveloppe metallique et ensemble pour sectionneur de mise a la terre a maintien mecanique ameliore |
FR1053264 | 2010-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011135037A1 true WO2011135037A1 (fr) | 2011-11-03 |
Family
ID=42785027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/056766 WO2011135037A1 (fr) | 2010-04-28 | 2011-04-28 | Traversee pour appareillage electrique sous enveloppe metallique et ensemble pour sectionneur de mise à la terre a maintien mecanique ameliore |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN102959816B (fr) |
CH (1) | CH705209B1 (fr) |
FR (1) | FR2959587B1 (fr) |
WO (1) | WO2011135037A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2961015B1 (fr) * | 2014-06-27 | 2018-11-21 | General Electric Technology GmbH | Élément de couplage permettant de coupler les enveloppes de deux éléments électriques isolés par gaz |
CN108199155B (zh) * | 2017-12-15 | 2019-08-13 | 国家电网公司 | 一种带自动保护的接地装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB871116A (en) * | 1958-07-07 | 1961-06-21 | Lodge Cottrell Ltd | Improvements in insulator mounting assemblies |
FR1413462A (fr) | 1964-10-30 | 1965-10-08 | Felten & Guilleaume Carlswerk | Entrée de conducteur isolée, étanche au gaz et au liquide, plus particulièrement pour les boîtiers des installations à câbles sous-marins |
JPS57189210U (fr) * | 1981-05-27 | 1982-12-01 | ||
JPH0833135A (ja) * | 1994-07-20 | 1996-02-02 | Meidensha Corp | ガス絶縁開閉装置 |
FR2772976A1 (fr) * | 1997-12-18 | 1999-06-25 | Siemens Ag | Poste de commutation a haute tension isole par gaz,dote d'une section de coupure |
WO2007042548A1 (fr) | 2005-10-14 | 2007-04-19 | Areva T & D Ag | Sectionneur de terre et procede de fabrication d'un tel sectionneur de terre |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3034021A1 (de) * | 1980-09-10 | 1982-03-25 | Wilhelm Ritter GmbH & Co, 4600 Dortmund | Elektrische schaltanlage |
-
2010
- 2010-04-28 FR FR1053264A patent/FR2959587B1/fr active Active
-
2011
- 2011-04-28 CN CN201180032486.1A patent/CN102959816B/zh not_active Expired - Fee Related
- 2011-04-28 CH CH02163/12A patent/CH705209B1/fr unknown
- 2011-04-28 WO PCT/EP2011/056766 patent/WO2011135037A1/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB871116A (en) * | 1958-07-07 | 1961-06-21 | Lodge Cottrell Ltd | Improvements in insulator mounting assemblies |
FR1413462A (fr) | 1964-10-30 | 1965-10-08 | Felten & Guilleaume Carlswerk | Entrée de conducteur isolée, étanche au gaz et au liquide, plus particulièrement pour les boîtiers des installations à câbles sous-marins |
JPS57189210U (fr) * | 1981-05-27 | 1982-12-01 | ||
JPH0833135A (ja) * | 1994-07-20 | 1996-02-02 | Meidensha Corp | ガス絶縁開閉装置 |
FR2772976A1 (fr) * | 1997-12-18 | 1999-06-25 | Siemens Ag | Poste de commutation a haute tension isole par gaz,dote d'une section de coupure |
WO2007042548A1 (fr) | 2005-10-14 | 2007-04-19 | Areva T & D Ag | Sectionneur de terre et procede de fabrication d'un tel sectionneur de terre |
Also Published As
Publication number | Publication date |
---|---|
CN102959816A (zh) | 2013-03-06 |
CN102959816B (zh) | 2015-12-16 |
FR2959587B1 (fr) | 2012-06-08 |
FR2959587A1 (fr) | 2011-11-04 |
CH705209B1 (fr) | 2016-03-15 |
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