WO2011135034A1 - Sectionneur de terre a encombrement reduit - Google Patents
Sectionneur de terre a encombrement reduit Download PDFInfo
- Publication number
- WO2011135034A1 WO2011135034A1 PCT/EP2011/056760 EP2011056760W WO2011135034A1 WO 2011135034 A1 WO2011135034 A1 WO 2011135034A1 EP 2011056760 W EP2011056760 W EP 2011056760W WO 2011135034 A1 WO2011135034 A1 WO 2011135034A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- contact
- earth
- fixed
- phase
- axis
- Prior art date
Links
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
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
-
- 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
- H01H33/02—Details
- H01H33/42—Driving mechanisms
Definitions
- the present invention relates mainly to earthing switches used in electrical equipment in a sealed metal casing ("gas-insulated switchgear" in English denomination), including three-phase electrical equipment single envelope.
- Electrical equipment in a sealed enclosure is usually provided with earthing switches to ground the conductor or conductors in the metal enclosure, thus ensuring operator safety during maintenance and inspection of the various parts of the enclosure. equipment.
- Such earth disconnectors are for example known from EP 0 196 240. They comprise an axially movable element between a closed position of grounding and an open position.
- the movable element comprises a first end connected to a linear actuator and a second free end intended to penetrate into a contact electrically connected to a conductive bar.
- the moving contact passes right through a socket-shaped contact and slides therein.
- the earthing switches of the state of the art have a large axial size. Indeed, it is necessary to provide sufficient space to accommodate the movable contact which extends axially and the transmission means of the movement delivered by an external drive mechanism.
- JP2008-140587 discloses electrical apparatus with a sliding tubular movable contact about a rod-shaped contact, connected to the ground, the actuating mechanism is linear. It is therefore very bulky.
- an earthing switch comprising a movable element able to slide in a fixed part connected to earth, and a phase contact connected to a conducting bar, the fixed part having a lateral opening to allow the part to be secured. mobile to an axial displacement device.
- the invention makes it possible to obtain very good guidance.
- the axial displacement means of the movable contact comprise at least one integral lever in motion of a rotary shaft and a rod connected laterally to the movable part.
- the rotary shaft associated with the new architecture of the earthing switch provides a very high compactness since it is possible to arrange the displacement means and the earthing switch next to one another.
- the displacement means are offset with respect to the disconnector along the sliding axis of the movable portion of the earthing switch.
- the present invention then relates to an earthing switch having at least one fixed earth contact, a moving earth contact and a phase contact, said fixed, moving and phase earth contacts being substantially aligned along an axis. longitudinally, the movable earth contact being able to move along the longitudinal axis to come closer in order to come into contact with the phase contact or to move away from it, the fixed earth contact being intended for to be fixed to the casing of a metal-enclosed electrical equipment filled with a dielectric gas under pressure and to be connected to earth, the movable earth contact being in electrical contact with the fixed earth contact, the earth contact movable being slidable in the fixed earth contact along the longitudinal axis, said fixed earth contact having a longitudinal axis housing open at an end opposite the phase contact, wherein the movable contact is mounted, the wall of said housing comprising at least one lateral light extending longitudinally for allowing the establishment of a lateral mechanical connection between the moving earth contact and a transmission system connected to an actuating mechanism of the earthing switch.
- the mechanical connection between the movable earth contact and the transmission system is made by means of a sleeve of dielectric material slidably mounted around the fixed earth contact, and the wall of said housing comprises two lumens extending longitudinally and diametrically. opposed.
- the socket ensures good guidance and good electrical insulation.
- the socket electrically isolates the earth contact of the transmission system.
- the movable earth contact may comprise at a longitudinal end opposite to that intended to come into contact with the phase contact, a transverse bore traversed by an axis solidarisant the moving earth contact and the socket, said axis passing through the two lights.
- the fixed earth contact may comprise a solid rod portion intended to pass through the hood and a hollow rod end delimiting the housing.
- the disconnector according to the present invention comprises for example having two parallel drilled plates perpendicular to the longitudinal axis connected by two parallel side plates, the fixed earth contact passing through the two plates, the sleeve having a median annular projection delimiting two end portions. of reduced section, the annular projection of the sleeve being immobilized between the two plates, the transmission system being intended to be articulated on the side plates.
- the earthing switch is suitable for three-phase electrical equipment, and then has three sets of fixed, moving and phase earth contacts.
- the disconnector according to the invention advantageously comprises a rudder of which the moving earth contacts are integral in motion.
- Each bushing may comprise a median annular projection delimiting two end portions of reduced section, and the crossbar comprises for each movable earth contact, two parallel drilled trays perpendicular to the longitudinal axis, the three pairs of trays being connected by two plates parallel transverse, fixed earth contact through the two plates and the annular projection of the sleeve being immobilized between the two plates, the transmission means being intended to be articulated on the side plates.
- the end of the fixed earth contact in contact with the movable earth contact comprises for example a tulip-shaped contact element, and the phase contact is also in the form of a tulip.
- the earth contact (s) is or are advantageously mounted (s) on a cover intended to be fixed in a sealed manner on the envelope.
- the present invention also relates to an electrical apparatus in a metal casing filled with a dielectric gas under pressure comprising an earthing switch according to the present invention.
- invention at least one electrical conductor on which the phase contact is mounted and a system for transmitting a movement connected to an actuating mechanism disposed outside the enclosure.
- the conductor extends for example along an axis orthogonal to the longitudinal axis of alignment of the fixed and movable earth contacts and the phase contact.
- the earth contact is preferably electrically isolated from the transmission system, for example by the socket.
- the transmission system comprises a drive shaft passing through the casing and connected to the actuating mechanism, said drive shaft being intended to be displaced in rotation about its axis, a lever secured to rotate of the drive shaft and a rod articulated in rotation on the lever and on the moving earth contact.
- the drive shaft is advantageously orthogonal to the longitudinal axis of the earth contact and, particularly advantageously, the shortest distance in an open contact position between the axis of rotation of the drive shaft and a axis perpendicular to the longitudinal axis, orthogonal to the axis of rotation of the drive shaft and passing through the axis of the spindle is not more than 0.5 times the distance between the axis of rotation of the spindle.
- the present invention also relates to a three-phase electrical apparatus comprising three electrical conductors and wherein the earthing switch comprises three sets of fixed, movable and phase earth contacts according to the present invention.
- the three movable earth contacts are preferably integral in motion along the longitudinal axis.
- the three movable contacts are mounted in a rudder, the connecting rod of the transmission system being articulated on said rudder.
- the electrical equipment according to the present invention may comprise a second lever integral in rotation with a coupling shaft parallel to the drive shaft, a second linkage articulated between the second lever and one of the side plates, and a coupling linkage. between the drive shaft and the coupling shaft.
- the drive shaft is disposed between a first contact assembly and a second contact assembly and the coupling shaft is disposed between the second contact assembly and a third contact assembly.
- the linkage linkage may be formed by a coupling lever rotatably connected to the drive shaft and a coupling lever rotatably connected to the coupling shaft and a coupling bar articulated in rotation on the two coupling levers.
- FIG. 1A is a longitudinal sectional view of part of an electrical equipment according to the present invention on which an earth-earthing switch according to the present invention can be seen,
- FIG. 1B is a longitudinal sectional view of an alternative embodiment of the phase contact part of the electrical equipment of FIG. 1A,
- FIG. 1C is a longitudinal sectional view of another alternative embodiment of the phase contact part of the electrical equipment of FIG. 1A,
- FIG. 2A is a perspective view of the earthing switch of FIG. 1A
- FIG. 2B is a detail view of FIG. 2A
- FIGS. 3A and 3B are front views of an earthing switch for a three-phase switchgear in the open position and in the closed position, respectively;
- FIG. 4 is a perspective view of a detail of the arrangement of FIGS. 3A and 3B,
- FIG. 5 is a detailed view of an alternative embodiment in the case of a single-phase electrical equipment.
- the present invention applies to both single-phase earthing switches and three-phase earthing switches.
- the following description relates to a three-phase earthing switch, and more generally to three-phase electrical equipment.
- FIGS. 1A and 2A part of an electrical apparatus 2 according to the present invention can be seen at an earthing switch 4 according to the present invention.
- FIG. 1A the three-phase earthing switch 4 is seen in profile, only one contact is seen, however this one has three contacts as can be seen in FIGS. 3A and 3B.
- the electrical equipment 2 comprises a sealed envelope 6 filled with a dielectric gas under pressure, for example sulfur hexafluoride (SF6).
- the electrical equipment 2 comprises, housed in the casing 6, three current conductors 8, for example high voltage, only one of which is visible in FIG. 1A.
- the current conductor 8 extends along an axis X along which the current flows and has a side contact 10 to allow the conductor 8 to be grounded, this contact 10 is called a 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 element 14 in the form of 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 comprises three sets El, E2, E3 substantially similar each associated with an electrical conductor 8.
- the envelope 6 may be tubular, the conductors being parallel to the axis of the envelope 6.
- the envelope 6 comprises a lateral boss 7 in which are housed the three sets E1, E3 and E3 of the earthing switch.
- the boss 7 is made by molding and attached to the tubular portion of the casing, which comprises for example an annular flange sealingly secured by screw-nut assemblies and sealing means such as a flat seal (not shown) on a flange of the tubular portion.
- all the elements of the earthing switch according to the present invention are mounted on the boss 7, which makes it possible to mount the earthing switch easily on the casing 6 and also to disassemble it easily.
- the disconnector is therefore previously produced as a subset.
- the assembly E1 comprises a fixed earth contact 16 integral with the casing 6 and a moving earth contact 18 with respect to the fixed earth contact 16 and intended to electrically connect the fixed earth contact 16 to the electrical conductor 8.
- the fixed earth contact 16 has an elongate shape and passes through the casing 6 through an opening 20.
- Pressurized gas seals are provided at the passage of the casing by the moving earth contact 16.
- the fixed earth contact 16 has a first longitudinal end 16.1 located outside the casing 6 and a second longitudinal end 16.2 located inside the casing 6.
- the first longitudinal end 16.1 is connected to the earth, putting the fixed earth contact 16 and the moving earth contact 18 to the ground.
- the envelope 6 is also connected to the ground.
- the second longitudinal end 16.2 has a housing 24 of Y axis. Therefore, the axis of the housing 24 and the axis of the contact element 14 are aligned.
- the housing 24 is provided with a peripheral wall 25.
- the moving earth contact 18 has an elongated shape, such as a rod slidably mounted in the housing 24 along the Y axis.
- the inside diameter of the housing 24 and the outside diameter of the movable contact 18 are chosen so that the movable contact 18 does not come into contact with the housing 24.
- the inside diameter of the housing 24 is 1 mm to 4 mm larger than the diameter of the movable contact 18.
- the electrical contact between the fixed contact 16 and the movable contact 18 is obtained by a tulip-shaped contact 16.3 which is fixed to the open end of the housing 24 of the fixed contact 16.
- the moving contact 18 is then guided by this contact 16.3 and mainly by a guide sleeve 34 which will be described later.
- the section of the moving earth contact 18 is circular and the housing 24 has a circular section.
- the moving earth contact 18 has a first longitudinal end 18.1 intended to penetrate into the contact element 14 of the phase contact 10.
- the second longitudinal end 18.2 of the moving earth contact 18 is mechanically connected to an axial displacement device 26 of the moving earth contact 18 along the Y axis, visible in FIGS. 3A and 3B.
- FIG. 1B we can see a variant of the contact 14, which is mounted inside a machined hole in the conductor 8.
- FIG. 1C we can see another variant in which the axis of the conductor 8 is aligned with the Y axis of the earth contact.
- the tulip-shaped contact 14 is received in a phase contact 10 'similar to the phase contact 10 which is housed in a passage 15.1 passing through an insulating plate 15 and is connected to the conductor 8 disposed on the other side of the insulating plate 15 relative to the earth contact.
- the insulating plate 15 is, in turn, fixed on the casing 6 by means of rods 17.
- the mechanical connection between the movable ground contact 18 and the displacement device 26 is lateral.
- the partition 25 of the housing 24 comprises at least one longitudinal slot 28 through which the moving earth contact is mechanically connected to the displacement device.
- the partition 25 of the housing 24 has two diametrically opposed longitudinal slots 28 and the second longitudinal end 18.2 of the moving earth contact 18 has a through bore 30 orthogonal to the Y axis, in which is mounted an axis 32 connected to the displacement device 26.
- This connection ensures a balanced mechanical connection.
- the displacement device 26 is then disposed on the side of the assemblies E1, E2 and between the earth contacts as can be seen in FIGS. 3A and 3B.
- the longitudinal congestion of the earthing switch is then reduced, since the displacement device is in the boss 7.
- the distance between the fixed earth contacts 16 is given by the phase distance, which is fixed by the holding voltage of electrical equipment. At the position of the earth contacts, the voltage is reduced, so there is a free space between them. According to the invention, this free space is used to house the displacement device 26 and in particular the shafts 36 and 51 which will be described later.
- the mechanical connection between the axis 32 and the displacement device 26 is obtained, in the example shown, by means of an electrical insulating sleeve 34 surrounding the fixed earth contact 16 and around which it slides.
- the sleeve 34 advantageously has an inside diameter substantially equal to the outside diameter of the fixed earth contact 16 at the housing.
- the sleeve 34 is for example made of PET (polyethylene terephthalate), epoxy resin, or PTFE
- the sleeve 34 electrically isolates the earth contact of the displacement device 26.
- Means are provided to prevent a displacement of the axis 32 along its axis and ensure a good maintenance of the moving earth contact 18 in the fixed earth contact 16.
- the pin 32 is immobilized in the bore transverse 30 of the moving earth contact and in the socket 34.
- the axis 32 is formed by two pins 32.1, 32.2 each provided at one of their ends with a thread.
- the two pins pass through the bushing 34 on either side of the movable earth contact 18 and are screwed into a transverse bore formed in the second end 18.2 of the movable ground contact 18.
- pins 32.1, 32.1 allows the sliding of the axis 32 in the lights 28.
- the pins are each provided with a shoulder 33.1, 33.2 transversely fixing the fixed earth contact 18 in the housing 24.
- the moving earth contact 18 is then centered in the housing 24 guided by the sleeve 34.
- the sleeve 34 besides the fact that it transmits the displacement in moving earth contact 18, electrically isolates the displacement device
- the displacement device 26 is of the rod type transmitting a rotational movement provided by a drive shaft 36 in a translation movement along the Y axis of the moving earth contact.
- the drive shaft 36 passes through the casing 6 in a sealed manner and is mechanically connected to an actuating mechanism (not shown) located outside the casing 6.
- the actuating mechanism can be of any type, it can be a spring mechanism, a hydraulic or electric servocontrol.
- a spring actuating mechanism is for example described in EP 0895260 which is included by reference.
- the displacement device 26 comprises a lever 38 integral in rotation with the drive shaft 36 and a connecting rod 40 articulated in rotation on the moving earth contact and lever 38.
- the shortest distance d in an open contact position between the axis of rotation of the drive shaft 36 and an axis XI perpendicular to the longitudinal axis Y, orthogonal to the axis of rotation of the drive shaft 3 and passing through the axis of the pin 32 is at most equal to 0.5 times the distance between the axis of rotation of the drive shaft 36 and the attachment point of the lever 38 at the bar 40. This arrangement reduces the size of the displacement device.
- a single displacement device 26 is used to move the three moving earth contacts 18, via a transversal bar 42 mechanically connecting the three movable earth contacts 18 and from which the three movable earth contacts are secured in displacement.
- the spreader bar 42 extends substantially perpendicularly with respect to the Y axis and makes the three movable grounding contacts 18 integral with movement.
- the link 40 is articulated in rotation on the spreader bar 42 which transmits the displacement to the moving earth contacts 18.
- FIG. 4 an exemplary embodiment of the lifter 42 can be seen in detail.
- the spreader bar 42 defines three housings 46, one of which is visible in FIG. 4, traversed by the fixed earth contacts. 16 and receiving the sockets 34 which are fixed in the housing 46.
- the housings 46 are delimited by two substantially parallel transverse plates 44 on either side of the three assemblies and two plates 45 each provided with a passage 47 for the passage of the fixed earth contact 16 crimped onto the transverse plates 44.
- the bushings 34 comprise on their outer peripheral surface a median annular projection 48 delimiting at each longitudinal end sections of reduced diameter 50.
- the projection 50 is then received between the two plates 45, only the two sections of reduced diameter 50 pass through the holes 47.
- the sleeve 34 is then axially immobilized in the housing 46 in a simple and robust manner. In addition, thanks to this assembly, the transmission of the effort is carried out with a low surface pressure.
- the lateral edges of the trays 45 of the housings 46 are folded in order to make the lifter 42 more rigid.
- the transverse plates 44 are perforated which reduces the mass of the assembly.
- the displacement device 26 comprises two sets of lever and connecting rod in order to have a balanced and uniform displacement of the three movable earth contacts 18.
- the displacement device 26 comprises a drive shaft 36 and a coupling shaft 51, the latter forming only an axis of rotation for the second lever 38 'and the second connecting rod 40'.
- a linkage 52 is provided between the two assemblies for coupling their actuation and transmitting the rotation of the drive shaft to the assembly 38 'and 40'.
- the linkage 52 comprises a coupling bar 54 at a first end of which a coupling lever 56 integral in rotation with the drive shaft 36 is articulated in rotation, and at the second end of which a coupling lever 58 rotates of the coupling shaft 51 is articulated in rotation.
- the connecting rods 40 and 40 ' are articulated on the spreader bar 42 between the housings 46 of the bushings 34 so as to have a balanced action of the connecting rods 40, 40' on the spreader bar 42.
- This embodiment has the advantage of having only one shaft which passes through the envelope 6, which simplifies the manufacture, especially at the seals, and reduces the cost.
- a three-phase earthing switch comprising a displacement device for each of the moving earth contacts is not outside the scope of the present invention.
- each device comprising a shaft drive, a lever and a connecting rod, each connecting rod being articulated on the rudder.
- the electrical conductors are not connected to earth.
- the earthing switch is in the position of Figure 3A.
- the actuation mechanism is activated until the free ends of the moving earth contacts 18 enter the phase contacts, as shown in FIG. 3B.
- the earthing switch is then closed and the conductors 8 are grounded.
- An electrical conductor path is established from the phase contact 10 via the tulip-shaped contact 14, the moving earth contact 18, the tulip-shaped contact 16.3 of the fixed earth contact 16 at the first end 16.1 of the fixed earth contact which is connected to a ground bar (not shown).
- the tapered contact 16.3 forms a mechanical guide for the moving earth contact 18.
- the moving earth contact 18 is also guided by the sleeve 34 sliding around the fixed contact 16. At this guidance, significant lateral forces are applied by the displacement device 26.
- the guide surface of the tapered contact 16.3 is in mechanical contact with the outer surface of the moving earth contact 18.
- the guide surface of the sleeve 34 for its part, cooperates with the outer surface of the fixed earth contact 16
- the contact electrical contact between the moving earth contact 18 and the tulip-shaped contact is not degraded.
- the earthing switch according to the present invention is particularly compact compared to those of the state of the art. Indeed, the lateral projection on the envelope of the electrical equipment is reduced because of the lateral connection and the structure particularly transmission means between the actuating mechanism and the movable contacts.
- all the elements constituting the earthing switch is integral with the lateral boss, which allows a simplified assembly of the entire earthing switch, and also a simplified disassembly thereof.
- the portion of the moving earth contact intended to come into contact with the phase contact is not used for its axial guidance, which avoids the risk of wear which could degrade the electrical contact.
- the mobile earth contact (s) are guided over the entire length of the housing of the fixed earth contact (s), the resulting guidance being very accurate.
- this earthing switch is easily adaptable to other geometric configurations of the electrical equipment.
- the displacement device is particularly compact, especially in the direction of movement of the moving parts.
- the required volume of insulating gas is reduced.
- the implementation of a spreader with two sets of lever and connecting rod ensures a homogeneous and stable movement of the three moving earth contacts, limiting the risk of biasing.
- having a displacement of the movable earth contact (s) transverse to the boss, the travel of the moving earth contact, the length of the fixed earth contact and the length of the phase contact are not limited by the diameter of the flange of the boss.
- the lifter may have only one transverse plate on which the housings would be fixed.
- the earthing switch is similar to that described in the case of a three-phase switchgear, in particular with regard to the connection between the bushing and the moving earth contact, the moving earth contact and the bushing can be traversed by an axis, and concerning the connection between the sleeve and the connecting rod the bushing can be immobilized between two horizontal plates, themselves connected by a transverse plate on which is articulated a connecting rod.
Landscapes
- Gas-Insulated Switchgears (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH02097/12A CH705205B1 (fr) | 2010-04-28 | 2011-04-28 | Sectionneur de terre à encombrement réduit. |
CN201180032511.6A CN102959668B (zh) | 2010-04-28 | 2011-04-28 | 紧凑型接地隔离器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1053265A FR2959592B1 (fr) | 2010-04-28 | 2010-04-28 | Sectionneur de terre a encombrement reduit |
FR1053265 | 2010-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011135034A1 true WO2011135034A1 (fr) | 2011-11-03 |
Family
ID=42782254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/056760 WO2011135034A1 (fr) | 2010-04-28 | 2011-04-28 | Sectionneur de terre a encombrement reduit |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN102959668B (fr) |
CH (1) | CH705205B1 (fr) |
FR (1) | FR2959592B1 (fr) |
WO (1) | WO2011135034A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104835674B (zh) * | 2015-04-30 | 2017-12-22 | 国家电网公司 | 一种操动机构及使用该操动机构的直动式接地开关 |
CN108257813B (zh) * | 2017-12-30 | 2024-04-19 | 山东泰开高压开关有限公司 | 一种独立型接地开关分合闸用的传动装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE670154C (de) * | 1936-01-15 | 1939-01-12 | Aeg | Stromunterbrecher nach Art eines Schubtrennschalters |
JPS57189210U (fr) * | 1981-05-27 | 1982-12-01 | ||
JPS58196511U (ja) * | 1982-06-22 | 1983-12-27 | 三菱電機株式会社 | ガス絶縁開閉装置 |
EP0196240A2 (fr) | 1985-02-22 | 1986-10-01 | Merlin Gerin | Appareil de commutation blindé à isolation gazeuse |
JPS62107611A (ja) * | 1985-11-01 | 1987-05-19 | 三菱電機株式会社 | 三相一括形のガス絶縁開閉装置の接地開閉器 |
JPH0833135A (ja) * | 1994-07-20 | 1996-02-02 | Meidensha Corp | ガス絶縁開閉装置 |
EP0895260A1 (fr) | 1997-07-31 | 1999-02-03 | Gec Alsthom T&D Ag | Dispositif de commande rapide pour un appareil de connexion à haute tension, notamment un sectionneur de terre |
JP2008140587A (ja) | 2006-11-30 | 2008-06-19 | Mitsubishi Electric Corp | 接地開閉器 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62107611U (fr) * | 1985-12-26 | 1987-07-09 | ||
CN200990482Y (zh) * | 2006-09-29 | 2007-12-12 | 希捷爱斯(上海)电气有限公司 | 一种直动式三工位开关 |
CN201425917Y (zh) * | 2009-06-04 | 2010-03-17 | 北京清畅电力技术股份有限公司 | 真空固封开关 |
-
2010
- 2010-04-28 FR FR1053265A patent/FR2959592B1/fr active Active
-
2011
- 2011-04-28 CN CN201180032511.6A patent/CN102959668B/zh not_active Expired - Fee Related
- 2011-04-28 CH CH02097/12A patent/CH705205B1/fr unknown
- 2011-04-28 WO PCT/EP2011/056760 patent/WO2011135034A1/fr active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE670154C (de) * | 1936-01-15 | 1939-01-12 | Aeg | Stromunterbrecher nach Art eines Schubtrennschalters |
JPS57189210U (fr) * | 1981-05-27 | 1982-12-01 | ||
JPS58196511U (ja) * | 1982-06-22 | 1983-12-27 | 三菱電機株式会社 | ガス絶縁開閉装置 |
EP0196240A2 (fr) | 1985-02-22 | 1986-10-01 | Merlin Gerin | Appareil de commutation blindé à isolation gazeuse |
JPS62107611A (ja) * | 1985-11-01 | 1987-05-19 | 三菱電機株式会社 | 三相一括形のガス絶縁開閉装置の接地開閉器 |
JPH0833135A (ja) * | 1994-07-20 | 1996-02-02 | Meidensha Corp | ガス絶縁開閉装置 |
EP0895260A1 (fr) | 1997-07-31 | 1999-02-03 | Gec Alsthom T&D Ag | Dispositif de commande rapide pour un appareil de connexion à haute tension, notamment un sectionneur de terre |
JP2008140587A (ja) | 2006-11-30 | 2008-06-19 | Mitsubishi Electric Corp | 接地開閉器 |
Also Published As
Publication number | Publication date |
---|---|
FR2959592A1 (fr) | 2011-11-04 |
FR2959592B1 (fr) | 2012-11-09 |
CN102959668A (zh) | 2013-03-06 |
CH705205B1 (fr) | 2016-09-30 |
CN102959668B (zh) | 2016-10-12 |
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