WO2000021104A1 - Interrupteur a vide et appareillage de commutation a vide - Google Patents
Interrupteur a vide et appareillage de commutation a vide Download PDFInfo
- Publication number
- WO2000021104A1 WO2000021104A1 PCT/JP1999/003210 JP9903210W WO0021104A1 WO 2000021104 A1 WO2000021104 A1 WO 2000021104A1 JP 9903210 W JP9903210 W JP 9903210W WO 0021104 A1 WO0021104 A1 WO 0021104A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vacuum vessel
- vacuum
- grounded
- circuit breaker
- disconnector
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- 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
- 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
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
-
- 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
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/027—Integrated apparatus for measuring current or voltage
-
- 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
- H01H33/6664—Operating arrangements with pivoting movable contact structure
-
- 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
- H01H33/668—Means for obtaining or monitoring the vacuum
Definitions
- the present invention relates to a vacuum switch and a vacuum switch gear using the same.
- the present invention relates to a vacuum switch and a vacuum switch gear using the same. Particularly, the present invention relates to a vacuum switch and a vacuum switch gear using the same.
- An example of a receiving and transforming device that is designed to be compact is an SF 6 gas insulated switch gear described in Japanese Patent Application Laid-Open No. 3-273804.
- This switch gear has a circuit breaker, two disconnectors, and a grounding switch, which are individually manufactured and housed in a unit room and a bus room in which the distribution box is filled with insulating gas.
- a vacuum circuit breaker is used as the circuit breaker, the movable electrode is moved up and down with respect to the fixed electrode by the vacuum circuit breaker actuator to make and break the circuit.
- a vacuum circuit breaker described in Japanese Patent Application Laid-Open No.
- the movable electrode is rotated left and right about the main shaft as a fulcrum to make contact with and separation from the fixed electrode, that is, closing and closing. There is something to do.
- the closed position, the open position, and the disconnection position are set while the movable conductor provided in one vacuum vessel rotates between the fixed conductor and the ground conductor. Some are configured to move the grounding position.
- the SF 6 gas insulated switchgear described in Japanese Patent Application Laid-Open No. 3-273804 uses SF gas, and it is required to reduce SF 6 gas in terms of global warming. Therefore, a switch gear that does not use SF 6 gas is desired.
- the container is not grounded. After shutting off the circuit breaker, open the disconnector provided separately from the circuit breaker, and ground the grounding switch to allow residual charge and induced current to flow to the ground and prevent reapplication from the power supply. Safety measures are required, and the equipment is provided separately, which is disadvantageous in terms of miniaturization.
- the one described in Japanese Patent Application Laid-Open No. 9-153320 is excellent in terms of miniaturization, but because the closed position, open position, disconnection position, and grounding position are provided in one vacuum vessel. In the unlikely event of an accident, the disadvantage is that all functions are lost.
- a first object of the present invention is to provide a vacuum switch which can improve insulation performance and can be remarkably miniaturized, and a switch gear using the same.
- a second object of the present invention is to provide a vacuum switch capable of coping with diversification of apparatuses and a switch gear using the same.
- a third object of the present invention is to provide a vacuum switch with improved assemblability and a switch gear using the same.
- a fourth object of the present invention is to provide a vacuum switch which is easy to attach a load-side conductor, and a switch gear using the same. Disclosure of the invention
- a vacuum switch of the present invention comprises: a first grounded vacuum vessel containing a circuit breaker; a second grounded vacuum vessel containing a disconnector and a grounding device; An insulating spacer that electrically insulates the vacuum vessel and the second vacuum vessel; the first vacuum vessel and the second vacuum vessel are disposed substantially coaxially; The pulled-out pushing is configured to extend from the axis in substantially the same direction.
- a movable blade for operating the movable electrode of the circuit breaker and a rod for operating the movable conductor of the disconnector and the grounding device are arranged in substantially the same direction with respect to the axis.
- a first grounded vacuum vessel containing a circuit breaker and a second grounded vacuum vessel containing a disconnector and a grounding device are coaxially arranged, and the first vacuum vessel
- a vacuum switch is provided in which a load-side conductor drawn out of the shaft and a bus-side conductor drawn out of the second vacuum vessel extend in substantially the same direction from the axis.
- the load conductor and the busbar-side conductor extending from the first vacuum vessel and the second vacuum vessel are respectively insulated from the first vacuum vessel and the second vacuum vessel by pushing.
- a first grounded vacuum vessel containing a circuit breaker, a second grounded vacuum vessel containing a disconnector and a grounding device, the first vacuum vessel, and the second vacuum vessel An insulating spacer that electrically insulates the first and second vacuum vessels to connect the first and second vacuum vessels, an insulating bushing drawn out of the first and second vacuum vessels, and a bushing of the first vacuum vessel
- An insulating spacer that electrically insulates the vacuum vessel and connects the first and second vacuum vessels, an insulating pushing pulled out of the first and second vacuum vessels, and a pushing of the first vacuum vessel
- a load conductor drawn out of the second vacuum vessel and a bus-side conductor drawn out of the pushing of the second vacuum vessel are used to operate the movable blade of the movable electrode of the circuit breaker and the movable conductor of the disconnector and the grounding device.
- a vacuum switch having an operation rod extending in substantially the same direction, an operation mechanism connected to the movable blade and the operation port, and a control unit for controlling the operation mechanism. Equipped vacuum switch Key is provided.
- a first grounded vacuum vessel containing a circuit breaker, a second grounded vacuum vessel containing a disconnector and a grounding device, and an electrical connection between the first vacuum vessel and the second vacuum vessel.
- the first vacuum vessel and the second vacuum vessel are arranged substantially coaxially, and a bushing drawn out of the first vessel and the second vessel is substantially the same from the shaft.
- a vacuum switch in which the movable blade of the circuit breaker and the operating rods of the disconnector and the grounding device are arranged in substantially the same direction, and the movable blade and the operating rod.
- a vacuum switch gear provided with an operation mechanism for operating the switch is provided.
- a first grounded vacuum vessel containing a circuit breaker, a second grounded vacuum vessel containing a disconnector and a grounding device, and an insulation for electrically insulating the first vacuum vessel and the second vacuum vessel.
- An operation box having a spacer, wherein the first vacuum vessel and the second vacuum vessel are arranged substantially coaxially, and an operation box containing an operation mechanism for operating a movable blade of the circuit breaker;
- a vacuum switch gear provided with a link connected to the disconnector and the operation port of the grounding device between the vacuum container and the vacuum vessel.
- a first grounded vacuum vessel containing a circuit breaker, a second grounded vacuum vessel containing a disconnector and a grounding device, and an insulation for electrically insulating the first vacuum vessel and the second vacuum vessel.
- a vacuum switch gear provided in a direction orthogonal to the above.
- FIG. 1 is a longitudinal sectional view of a vacuum switch gear according to Embodiment 1 of the present invention
- 2 is a side view as seen from the direction of arrow A—A in FIG. 1
- FIG. 3 is a side view as seen from the direction of arrow B—B in FIG. 1
- FIG. 5 is a partial cross-sectional perspective view of the vacuum switch of FIG. 5
- FIG. 5 is a vertical cross-sectional view of the vacuum switch of Example 1
- FIG. 6 is a partial cross-section of the vacuum switch of Example 1.
- FIG. 7 is a longitudinal sectional view showing a configuration of a vacuum measuring device used in the present embodiment
- FIG. 8 is a longitudinal sectional view of a vacuum switch gear according to a second embodiment of the present invention.
- FIG. 9 is a side view as viewed from the arrow C—C in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a longitudinal sectional view of the vacuum switch gear of the present embodiment
- FIG. 2 is a side view as viewed from an arrow A—A in FIG. 1
- FIG. 3 is a view as viewed from an arrow B— in FIG.
- FIG. 4 is a partial cross-sectional perspective view of the vacuum switch of the present embodiment
- FIG. 5 is a vertical cross-sectional view of the vacuum switch of the present embodiment
- FIG. FIG. 7 is a cross-sectional view of a vacuum switch according to the present embodiment
- FIG. 7 is a vertical cross-sectional view illustrating a configuration of a vacuum measuring device used in the present embodiment.
- a vacuum switch gear 100 of the present embodiment has a first vacuum vessel 1 and a first vacuum vessel 1 containing a circuit breaker on one side wall in a metal box jacket 101.
- a second vacuum vessel 2 connected to the vacuum vessel 1 via an insulating spacer 8 and containing a grounding device 30 and a disconnector 40 is provided.
- the bus-side conductor 60 in the second vacuum vessel 2 is connected to a bus connection portion 6 2 (also referred to as a cable head 62) via a tub-lip contact 102, and Connected to 0 3.
- the bus bar 103 is drawn out in the direction of the arrangement of the first and second vacuum vessels while changing the height sequentially for three phases, and the bus bar 103 is connected to the operation box 115 as shown in FIG.
- the load-side conductor 19 in the first vacuum vessel 1 is connected to the load-side conductor 104 via a cable head 23.
- An instrument terminal 25 is connected below the first vacuum vessel 1.
- the connection of the cable head 23 to the load-side conductor 19 and the electrical connection of the terminal 25 to the load-side conductor 19 are formed in the same shape.
- 23 can be connected to the terminal 25 side.
- the cable head 23 can be connected at two locations, the degree of freedom in wiring the load-side conductor 104 is increased. Further, as shown in FIG. 1, since the cable head 23 is configured to be connectable from the horizontal direction, it can be easily connected even when the load-side conductor 23 is rigid.
- the first vacuum vessel 1 and the second vacuum vessel 2 are grounded as described later, and the side walls thereof are at a ground potential. Therefore, as shown in FIG. 2 and FIG. It can be placed in close contact or close proximity. Further, it can be arranged close to the metal box jacket 101.
- the movable blade 15 for operating the movable electrode 11 of the circuit breaker in the first vacuum vessel 1 is connected to a pin-coupled operating rod 105.
- the operation rod 105 is connected to the operation box 106 of the circuit breaker containing the operation mechanism.
- the operation mechanism unit includes a drive unit 107, a link 108 operating in a three-phase manner, and a wipe panel 109.
- the rods 34 and 44 that operate the movable electrodes of the grounding device 30 and the disconnector 40 in the second vacuum vessel 2 are linked by pins 110 and, respectively. Connected to 1 1 1.
- the links 110 and 111 are arranged between the second vacuum container 2 and the operation box 106. Links 110 and 111 are connected to individual operation rods 112 and 113, respectively.
- Operation port 1 1 2 is an operation box containing the operation mechanism for operating the grounding device 30.
- the operation port 1 13 is connected to an operation box 1 15 containing an operation mechanism for operating the disconnector 40.
- the operation rod 1 1 2 is drawn out from the side of the operation box 1 1 4, and is configured so as to be collectively connected from the side to the three-phase link 1 10
- the movable electrodes of the grounding device 30 are operated collectively by an operation mechanism housed in the operation box 114.
- the operation port 1 13 is pulled out from the side of the operation box 1 1 5 to the opposite side to the operation rod 1 1 2, and collectively enters the three-phase link 1 1 1 from the side.
- the movable electrodes of the three-phase disconnector 40 are collectively operated by an operation mechanism housed in the operation box 115.
- a box 1 16 containing a protective relay is placed above the operation box 106 and beside the operation boxes 1 1 4 and 1 1 5.
- the operation mechanisms of operation boxes 106, 114, and 115 are controlled to control the breaker, grounding device 30, and disconnector 40. Controls opening and closing operations.
- the operation compartments are formed by the operation boxes 106, 11 and 11 and the box 116. As described later, each device of the operation compartment is arranged close to the first vacuum container 1 and the second vacuum container 2 because these devices are at the ground potential. Therefore, the size of the entire switch gear can be made compact.
- the cylindrical side wall 3 of the first vacuum vessel 1 is made of, for example, a conductive material such as stainless steel, and the side wall 3 is fixedly supported by an insulating spacer 7 and an insulating spacer 8.
- the cylindrical side wall 4 of the second vacuum vessel 2 is formed of, for example, a conductive material such as stainless steel, and the side wall 4 is fixedly supported by eight insulating spacers and nine insulating spacers. Insulation switches 7, 8, 9 Are provided with conductive fixing frames 7a, 8a, and 9a on the outer peripheral portion, and the side wall 3 is fixed to the fixing frames 7a and 8a, and the side wall 4 is fixed to the fixing frames 8a and 9a. ing.
- the fixed frames 7a, 8a, 9 & are provided with support portions 713, 813, 8 (;, 9b) for grounding, and the side walls 3 and 4 are grounded via operation compartments.
- the fixed frames 7a, 8a, 9a are formed of a ceramic material, the surface of the ceramic material is metallized with a conductive material.
- a conductor 14 is provided, and a fixed electrode 10 is provided in the first vacuum vessel 1 of the conductor 14.
- a movable electrode 11 is provided to face the fixed electrode 10.
- the movable blade 15 made of an insulator is connected to the operation compartment, and the movable electrode 11 is formed around the fulcrum 15a.
- the movable electrode 11 and the fixed electrode 10 are brought into contact with and separated from each other by the rotational movement of the movable blade 15.
- the side wall 3 has a cylindrical shape. Part 1 7 are provided, the cylindrical portion 1 7 and the movable blade 1 5 are connected by Bae Rose 1 8.
- An arc shield 16 is provided so as to cover the periphery of the fixed electrode 10 and the movable electrode 11, and the arc shield 16 extends to the vicinity of the insulating spacer 7. Between the connection between the movable blade 15 and the bellows 18 and the arc 16, a collar 12 is provided on the movable electrode 11, and the arc turns to the bellows 18 side. To prevent intrusion. Also, sera Mi click on the inner surface of the tubular portion 1 7, oxide aluminum (A 1 2 0 3), at least one kind of insulating material by Li Koti Ngusa thermal spraying of zinc oxide (Z r 0 2) This protects the inner surface from arcs leaking from the arc shield 16 opening.
- the load-side conductor 19 is provided so as to extend in the same direction as the movable blade 15, and the load-side conductor 19 and the movable electrode 11 are connected to the flexible conductor 13. Are connected.
- a protrusion 5 is formed on the side wall 3 at a position facing the load-side conductor 19. If the load-side conductor 19 needs to be installed on the opposite side, the protrusion 5 is used to A conductor is provided.
- the circuit breaker is composed of a drive system that rotates the movable blade 15 around the fulcrum 15a, so that the load side conductor is provided on one side of the first vacuum vessel and the other side is provided with the load side conductor.
- a second vacuum vessel containing a disconnector and a grounding device can be arranged in series, and the size of the vacuum switch gear can be reduced.
- the first vacuum vessel containing the circuit breaker and the second vacuum vessel containing the disconnector and the grounding device are connected by an insulating spacer, the reliability of insulation is improved. improves.
- the circuit breaker, the disconnecting switch, and the grounding device can be individually assembled, the degree of freedom in configuring the switch gear increases.
- the load-side conductor 19 is fixedly supported by a load-side pushing 20 made of a ceramic material fixed to the side wall 3.
- a current transformer 21 is provided on the outer peripheral side of the load side pushing 20.
- the load side conductor 19 is connected to the cable head 23, and the cable head 23 is arranged in the arrangement direction of the conductor 14, the movable electrode 11, and the fixed electrode 10. Extends.
- a conductor 24 is provided through the center of the insulating spacer 7, and a terminal 25 for measuring a voltage or the like is formed. Thus, by attaching the terminal 25, the voltage can be measured.
- a vacuum measuring device 26 for measuring the degree of vacuum of the first vacuum vessel is mounted on the grounded side wall 3.
- This vacuum measuring device 26 is a magneto-port type measuring device, and is attached to the side wall 3 which is a metal container. ing.
- the vacuum measuring device 26 is composed of a coaxial electrode 27a and a coil for generating a magnetic field or a ring-shaped permanent magnet 27b disposed around the coaxial electrode 27a.
- the inner electrode 27 c of the coaxial electrode 27 a is connected to a power supply circuit 28, and a negative DC voltage is applied to the inner electrode 27 c by the power supply circuit 28.
- the degree of vacuum is measured by measuring the ion current of the cations generated by impact ionization with the residual gas due to the rotational motion of the electrons e emitted from the inner electrode 27c.
- the second vacuum vessel 2 is provided with a grounding device 30 and a disconnector 40.
- the fixed electrode 31 of the grounding device 30 is attached to the conductor 14, and the fixed electrode 31 is electrically connected to the fixed electrode 42 of the disconnector 40 via the flexible conductor 35.
- the fixed electrode 42 is fixedly supported by an insulator 41 fixed to a busbar-side conductor 60 and a protrusion 6 provided on the side wall 4.
- a movable electrode 32 is arranged opposite to the fixed electrode 31, and the movable electrode 32 can be moved toward and away from the fixed electrode 31 by reciprocating a port 34 operated by an actuator. Has become.
- a bellows 33 is provided between the cylindrical part 36 provided on the side wall 4 and the movable electrode 32 to keep the second vacuum vessel 2 airtight.
- the movable electrode 47 of the disconnector 40 is arranged opposite to the fixed electrode 42, and the rod 44 reciprocally moves by an actuator (not shown) so that the movable electrode 47 can come and go with the fixed electrode 42. I have.
- a bellows 43 is provided between the cylindrical portion 46 provided on the side wall 4 and the movable electrode 47 to keep the second vacuum vessel 2 airtight.
- a vacuum measuring device 50 for measuring the degree of vacuum of the second vacuum vessel 2 is attached to the side wall 4.
- the vacuum measuring device 50 includes a coaxial electrode 51 and a coil for generating a magnetic field or a ring-shaped permanent magnet 52 disposed around the coaxial electrode 51.
- the inner electrode of the coaxial electrode 51 is connected to the power supply circuit, and the power supply circuit connects the negative electrode to the inner electrode. Voltage is being applied.
- the degree of vacuum during power supply can be monitored. If the pressure drops below 4 to rr, the insulation performance will be reduced, and a signal will be sent to an alarm or monitoring device.
- the degree of vacuum is 1 0- orr by Li decrease is, for example, be a 1 0- 3 to rr.
- the movable blade 15 and the rods 34, 44 are provided in the same direction, and the operating devices can be provided collectively in the operating compartment. Therefore, the device can be simplified and downsized. In addition, assembling can be performed on the operation component side, so that the assembling property is good. In addition, since measuring devices such as vacuum measuring devices and current transformers are provided on the movable blade side, they can be assembled on the operation compartment side, and miniaturization of the device and improvement in assemblability can be achieved. There is a monkey.
- the bus-side conductor 60 is connected to the bus connection 62 through the connection 61.
- the bus connecting portion 62 has a configuration in which three-phase connecting portions are arranged in the direction in which the first vacuum vessel 1 and the second vacuum vessel 2 are arranged.
- the space inside the vacuum measuring device communicates with the vacuum container, and the vacuum pressure of the vacuum container is measured or constantly monitored by the vacuum measuring device to enhance the safety and reliability of the vacuum switch.
- a conventional device used in a vacuum circuit breaker or the like can be used as the vacuum measuring device itself.
- the insulating spacers 7, 9 and the pushing 20 can be manufactured in the same shape, so that parts can be shared.
- the insulating spacer 8 can be omitted.
- a well-recoated arc shield is provided.
- the operation of the thus configured switch gear will be described.
- the grounding device 30 is open and the disconnector 40 and circuit breaker are closed.
- the electric power supplied through the connection part 62 with the bus is composed of the bus-side conductor 60, conductor 45, conductor 14, fixed electrode 10, movable electrode 11, flexible conductor 13, and bushing 2. Power is supplied to the load side via 0.
- a signal from the detection device (not shown) is used to output a signal to shut off the circuit breaker by the control device, and the movable blade 1 is used by the operating device. 5 rotation is performed. By rotating the movable blade 15, the movable electrode 11 is moved from the closed position to the open position, and cutoff is performed. At this time, an arc is generated between the fixed electrode 10 and the movable electrode 11. However, since the arc shield 16 is provided in the first vacuum vessel 1, the arc is generated by the arc shield 16. The wall 3 is largely blocked by this, and the side wall 3 is protected.
- the movable blade and the operation rod are provided in the same direction, or a measuring device such as a vacuum measuring device or a current transformer is used. Since it is provided on the movable blade side, it can be assembled on the operation computer side, and the size of the device can be reduced and the assemblability can be improved.
- Embodiment 2 of the present invention will be described with reference to FIGS.
- FIG. 8 is a longitudinal sectional view of the vacuum switch gear of the present embodiment
- FIG. 9 is a side view as viewed from the direction of arrow C in FIG.
- the switchgear of this embodiment has the same configuration as that of the embodiment shown in FIGS. 1 to 3 except that the configuration of the cable head 62 is different.
- the buses 120a and 120b for two phases from the cable head 62 project toward the metal box jacket 101 and are sequentially arranged in the height direction.
- the one-phase bus 120c is arranged in the direction in which the first vacuum vessel 1 and the second vacuum vessel 2 are arranged.
- the buses 120a, 120b, and 120c extend in the arrangement direction of the three-phase vacuum switches as shown in FIG.
- the buses 120a, 120b, and 120c can extend in the direction in which the first and second vacuum vessels are arranged. It has the effect of increasing. Industrial applicability
- the circuit breaker is composed of the drive system that rotates the movable blade around the fulcrum
- the load-side conductor is provided on one side of the first vacuum vessel
- the disconnector is provided on the other side.
- the second vacuum vessel containing the grounding device can be arranged in series, and the size of the vacuum switch gear can be reduced.
- the first vacuum vessel containing the circuit breaker and the second vacuum vessel containing the disconnector and the grounding device are connected by an insulating spacer, the reliability of insulation is improved. Is improved.
- the circuit breaker, the disconnecting switch, and the grounding device can be assembled separately, the degree of freedom in configuring the switch gear is increased.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99925340A EP1119009A4 (en) | 1998-10-02 | 1999-06-16 | VACUUM SWITCHES AND VACUUM SWITCHGEAR |
| KR1020007003063A KR20010086199A (ko) | 1998-10-02 | 1999-06-16 | 진공스위치 및 그것을 사용한 진공스위치기어 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28066898 | 1998-10-02 | ||
| JP10/280668 | 1998-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2000021104A1 true WO2000021104A1 (fr) | 2000-04-13 |
Family
ID=17628276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1999/003210 Ceased WO2000021104A1 (fr) | 1998-10-02 | 1999-06-16 | Interrupteur a vide et appareillage de commutation a vide |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1119009A4 (ja) |
| KR (1) | KR20010086199A (ja) |
| CN (1) | CN1273686A (ja) |
| WO (1) | WO2000021104A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176609A (zh) * | 2011-01-25 | 2011-09-07 | 郑文秀 | 一种落地箱式交流高压智能开关柜的真空灭弧总装室 |
| US9177742B2 (en) | 2011-10-18 | 2015-11-03 | G & W Electric Company | Modular solid dielectric switchgear |
| US9818562B2 (en) | 2012-07-24 | 2017-11-14 | Hitachi Industrial Equipment Systems Co., Ltd. | Switch |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4197702B2 (ja) * | 2006-01-31 | 2008-12-17 | 株式会社日立製作所 | 真空絶縁スイッチギヤ |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5532495A (en) * | 1979-08-10 | 1980-03-07 | Hitachi Ltd | Gas insulated switch |
| JPH0721884A (ja) * | 1993-07-05 | 1995-01-24 | Toshiba Corp | 真空遮断器 |
| JPH09153320A (ja) * | 1995-09-27 | 1997-06-10 | Hitachi Ltd | 絶縁開閉装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3226499A (en) * | 1962-12-03 | 1965-12-28 | Chance Co Ab | Load break switch gear |
| DE3417299A1 (de) * | 1984-02-14 | 1985-10-10 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | Metallgekapselte, gasisolierte schaltanlage |
| DE4445172C2 (de) * | 1994-12-17 | 1998-07-16 | Abb Patent Gmbh | Schaltfeld |
-
1999
- 1999-06-16 CN CN99801015A patent/CN1273686A/zh active Pending
- 1999-06-16 WO PCT/JP1999/003210 patent/WO2000021104A1/ja not_active Ceased
- 1999-06-16 KR KR1020007003063A patent/KR20010086199A/ko not_active Abandoned
- 1999-06-16 EP EP99925340A patent/EP1119009A4/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5532495A (en) * | 1979-08-10 | 1980-03-07 | Hitachi Ltd | Gas insulated switch |
| JPH0721884A (ja) * | 1993-07-05 | 1995-01-24 | Toshiba Corp | 真空遮断器 |
| JPH09153320A (ja) * | 1995-09-27 | 1997-06-10 | Hitachi Ltd | 絶縁開閉装置 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1119009A4 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176609A (zh) * | 2011-01-25 | 2011-09-07 | 郑文秀 | 一种落地箱式交流高压智能开关柜的真空灭弧总装室 |
| US9177742B2 (en) | 2011-10-18 | 2015-11-03 | G & W Electric Company | Modular solid dielectric switchgear |
| US9633807B2 (en) | 2011-10-18 | 2017-04-25 | G & W Electric Company | Modular solid dielectric switchgear |
| US9818562B2 (en) | 2012-07-24 | 2017-11-14 | Hitachi Industrial Equipment Systems Co., Ltd. | Switch |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010086199A (ko) | 2001-09-10 |
| EP1119009A4 (en) | 2002-07-24 |
| EP1119009A1 (en) | 2001-07-25 |
| CN1273686A (zh) | 2000-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7829814B2 (en) | Vacuum circuit interrupter grounding assembly | |
| JP2001307603A (ja) | 真空スイッチ及びそれを用いた真空スイッチギヤ | |
| US6259051B1 (en) | Vacuum switch and a vacuum switchgear using the same | |
| KR100362232B1 (ko) | 진공스위치 및 그것을 사용한 진공스위치기어 | |
| TW389919B (en) | Insulated type switching device | |
| TWI501492B (zh) | Switch unit and switch device | |
| CN101981645B (zh) | 真空断路器和采用该真空断路器的气体绝缘开关装置 | |
| HK1041115B (zh) | 气体绝缘开关装置 | |
| US7135652B2 (en) | Vacuum switchgear | |
| WO2000021107A1 (en) | Vacuum switch and vacuum switch gear using the vacuum switch | |
| US10424442B2 (en) | Arc eliminator | |
| CN1910800B (zh) | 压缩气体绝缘的开关装置 | |
| CN109314010B (zh) | 具有双导电壳体的开关装置 | |
| JP2948154B2 (ja) | 絶縁開閉装置 | |
| JP3623333B2 (ja) | 受変電設備装置 | |
| KR20010086199A (ko) | 진공스위치 및 그것을 사용한 진공스위치기어 | |
| JP4040954B2 (ja) | 真空開閉装置 | |
| JP2003308767A (ja) | 真空開閉装置 | |
| JPWO2000021104A1 (ja) | 真空スイッチ及びそれを用いた真空スイッチギヤ | |
| JP3695214B2 (ja) | 絶縁開閉装置 | |
| JP3402135B2 (ja) | 真空スイッチ及び真空スイッチギヤ | |
| JP4048728B2 (ja) | 真空バルブ | |
| JP7766127B2 (ja) | 開閉装置構造 | |
| HK1032848A (en) | Vacuum switch and vacuum switch gear | |
| JP3402136B2 (ja) | 真空スイッチ及び真空スイッチギヤ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 99801015.4 Country of ref document: CN |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 09463438 Country of ref document: US |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 1999925340 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 1020007003063 Country of ref document: KR |
|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN JP KR US |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
| DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| ENP | Entry into the national phase |
Ref document number: 2000 575138 Country of ref document: JP Kind code of ref document: A |
|
| WWP | Wipo information: published in national office |
Ref document number: 1999925340 Country of ref document: EP |
|
| WWP | Wipo information: published in national office |
Ref document number: 1020007003063 Country of ref document: KR |
|
| WWW | Wipo information: withdrawn in national office |
Ref document number: 1999925340 Country of ref document: EP |
|
| WWG | Wipo information: grant in national office |
Ref document number: 1020007003063 Country of ref document: KR |