WO2013046737A1 - Appareillage de commutation isolé par un gaz - Google Patents

Appareillage de commutation isolé par un gaz Download PDF

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Publication number
WO2013046737A1
WO2013046737A1 PCT/JP2012/051387 JP2012051387W WO2013046737A1 WO 2013046737 A1 WO2013046737 A1 WO 2013046737A1 JP 2012051387 W JP2012051387 W JP 2012051387W WO 2013046737 A1 WO2013046737 A1 WO 2013046737A1
Authority
WO
WIPO (PCT)
Prior art keywords
tank body
insulated switchgear
container
gas insulated
cylindrical tank
Prior art date
Application number
PCT/JP2012/051387
Other languages
English (en)
Japanese (ja)
Inventor
慎太郎 黒明
英二 森藤
孝年 大坪
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to CN201280022223.7A priority Critical patent/CN103503257B/zh
Priority to JP2013535947A priority patent/JP5683711B2/ja
Publication of WO2013046737A1 publication Critical patent/WO2013046737A1/fr

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Classifications

    • 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
    • H02B13/0358—Connections to in or out conductors
    • 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
    • H02B13/0356—Mounting of monitoring devices, e.g. current transformers

Definitions

  • the present invention relates to a cubicle type gas insulated switchgear that can be used as a switchgear for power transmission / distribution and power distribution facilities, for example.
  • FIGS. 10 is a side sectional view showing a conventional gas insulated switchgear.
  • FIG. 11 is a front view showing a conventional gas insulated switchgear.
  • the retracting part is constituted by a bushing 4, and the bushing 4 is attached to the upper part of the square container 1. From the bushing 4, the current transformer CT, the disconnector DS 1, the gas circuit breaker GCB, the disconnector DS 2, the reciprocating conductor BUS connected to the MOF, the disconnector DS 3, and the transformer connection 5 are led to the transformer 6.
  • a line arrester LA and ground switches ES1 to ES4 are provided between the main circuit in the rectangular container 1 and the ground.
  • the three-phase three bushings 4 have a wider interval than the interval between the mounting flanges 8 in order to maintain the inter-phase insulation distance C in the atmosphere at the charging portion 7 at the tip thereof. For this reason, the mounting flange 8 of the bushing 4 disposed in the center is provided upright on the upper part of the rectangular container 1, but the mounting flanges 8 on both sides thereof are attached with an angle in a certain direction away from the center. .
  • a bushing 4 is attached to the attachment flange 8 via an insulating spacer 9 in order to seal the rectangular container 1.
  • the connection between the bushing 4 and the inside of the rectangular container 1 is made by a through conductor 10 provided in the insulating spacer 9.
  • the current transformer CT is also housed in the rectangular container 1, and there is a problem that it takes time to install, remove, and maintain.
  • the present invention has been made in order to solve the above-described problems, and an object of the present invention is to allow the mounting angle of the overhead wire power receiving unit tank body to be attached in an arbitrary direction. It is intended to provide a gas insulated switchgear that is easy to install, remove and maintain.
  • a gas-insulated switchgear includes a container that houses necessary equipment, a cylindrical tank body that is provided in three phases on the back of the container, and an overhead wire power receiving unit that is provided in each of the cylindrical tank bodies.
  • a tank body and a bushing respectively provided in the overhead wire power receiving unit tank body are provided, and each of the cylindrical tank bodies is configured to be attachable to an arbitrary position in the circumferential direction.
  • the gas insulated switchgear according to the present invention it is possible to mount the overhead wire power receiving unit tank body in an arbitrary direction, and the gas insulated switchgear that is easy to install, remove and maintain the current transformer. A device can be obtained.
  • FIG. 1 It is a side view which shows the gas insulated switchgear concerning Embodiment 1 of this invention. It is a figure which shows the overhead wire charging part tank body part seen from the arrow X direction of FIG. 1 in the gas insulated switchgear concerning Embodiment 1 of this invention. It is a perspective view which shows the gas insulated switchgear concerning Embodiment 2 of this invention. It is a side view which shows the gas insulated switchgear concerning Embodiment 2 of this invention. It is a sectional side view which shows the gas insulated switchgear concerning Embodiment 2 of this invention. It is a rear view which shows the gas insulated switchgear concerning Embodiment 2 of this invention.
  • FIG. 6 is a view of the gas insulated switchgear according to Embodiment 2 of the present invention as viewed from the GG direction of FIG. It is an enlarged view of the H section of FIG. 4 in the gas insulated switchgear concerning Embodiment 2 of this invention. It is principal part sectional drawing which shows the connection part inside FIG. 8 in the gas insulated switchgear concerning Embodiment 2 of this invention. It is a sectional side view which shows the conventional gas insulated switchgear. It is a front view which shows the conventional gas insulated switchgear.
  • FIG. 1 is a side view showing a gas insulated switchgear according to Embodiment 1 of the present invention.
  • FIG. 2 is a diagram showing an overhead wire charging unit tank body portion as viewed from the direction X of FIG. 1 in the gas insulated switchgear according to Embodiment 1 of the present invention.
  • reference numeral 11 denotes a box-shaped metal container in which components of the switching circuit such as a circuit breaker and a disconnecting switch are accommodated.
  • An insulating gas such as SF6 gas is sealed in the container 11 at a predetermined pressure.
  • the cylindrical tank body 12 is a cylindrical tank body provided in three phases in the horizontal direction on the rear surface from which the bus bar which is one surface of the container 11 is pulled out, and is connected to the bus bar lead-out portion 13 at the lower part of the rear surface of the container 11.
  • the cylindrical tank body 12 is formed with a circumferential equiangular mounting pitch and is configured to be mounted at an arbitrary position in the circumferential direction.
  • each overhead wire power receiving unit tank body 14 is an overhead wire power receiving unit tank body provided in the cylindrical tank body 12, and 15 is a bushing provided in each overhead wire power receiving unit tank body 14.
  • Reference numerals 16 denote current transformers provided on the outer peripheral side of the overhead wire power receiving unit tank body 14.
  • a cylindrical tank body 12 In each of the three phases, a cylindrical tank body 12, an overhead wire power receiving section tank body 14, a bushing 15 and a current transformer 16 are integrally connected.
  • the phase located in the center is arranged in parallel to the vertical direction as shown in FIG. 2 and is configured such that the mounting angle can be changed in the direction of arrow D with the central axis of the cylindrical tank body 12 as a support shaft. Yes.
  • the phase located on the right side is arranged at a predetermined angle with respect to the phase located in the center as shown in FIG. 2, and the mounting angle is changed in the direction of arrow E with the central axis of the cylindrical tank body 12 as a support shaft. It is configured to be possible.
  • the phase located on the left side is arranged at a predetermined angle with respect to the phase located in the center as shown in FIG. 2, and the mounting angle is changed in the direction of arrow F with the central axis of the cylindrical tank body 12 as a support shaft. It is configured to be possible.
  • the cylindrical tank body 12 is formed at a circumferential equiangular mounting pitch, for example, a 15-degree pitch.
  • a circumferential equiangular mounting pitch for example, a 15-degree pitch.
  • a cylindrical tank body 12 is provided in the lower part of the rear surface of the board, which is the bus bar position of the container 11, that is, the bus bar lead-out part 13, and the overhead line power receiving part tank body 14 and the bushing 15 are respectively connected to these cylindrical tank bodies 12. Since the current transformer 16 is disposed, the installation space in the height direction can be reduced.
  • the current transformer CT is accommodated in the rectangular container 1, but in this embodiment, the current transformer 16 is provided on the outer peripheral side of the overhead wire power receiving section tank body 14. It was set as the structure which attaches. By comprising in this way, the attachment or removal of the current transformer 16 and the improvement of maintainability can be aimed at.
  • FIG. A second embodiment of the present invention will be described with reference to FIGS. 3 to 9.
  • the same or corresponding members and parts will be described with the same reference numerals.
  • 3 is a perspective view showing a gas insulated switchgear according to Embodiment 2 of the present invention.
  • 4 is a side view showing a gas insulated switchgear according to Embodiment 2 of the present invention.
  • 5 is a side sectional view showing a gas insulated switchgear according to Embodiment 2 of the present invention.
  • 6 is a rear view showing a gas insulated switchgear according to Embodiment 2 of the present invention.
  • FIG. 7 is a view of the gas insulated switchgear according to Embodiment 2 of the present invention as seen from the direction GG in FIG.
  • FIG. 8 is an enlarged view of the portion H in FIG. 4 in the gas insulated switchgear according to Embodiment 2 of the present invention.
  • FIG. 9 is a cross-sectional view of the principal part showing the internal connection of FIG. 8 in the gas insulated switchgear according to Embodiment 2 of the present invention.
  • the installation state when the gas insulated switchgears are arranged in five planes 11a to 11e is shown.
  • the inner side of the overhead wire power receiving unit tank body 14 is arranged vertically.
  • the tilt angle is changed by, for example, 15 degrees toward the outer side of the panel in sequence is shown, so that it becomes possible to easily cope with the restrictions on the inter-line dimensions of each phase.
  • an equipment container 17, a line side bus container 18 and a load side bus container 19 are accommodated in a container 11 having a front door 11a, and the inside of each container is SF6 gas, dry air, nitrogen gas, carbon dioxide. Insulating gas such as is enclosed.
  • a three-phase line-side bus 20 is disposed in parallel in the line-side bus container 18 via an insulating spacer 21 and penetrates airtightly in a direction perpendicular to the paper surface.
  • the line-side bus 20 is led into the device container 17 via the bus-side disconnector 22 and the connection conductor 23. Further, a three-phase load side bus 24 passes through the load side bus container 19 through an insulating spacer 25 in a direction perpendicular to the paper surface.
  • main circuit devices such as the circuit breaker 26 and the line-side disconnector 27, and auxiliary devices such as the ground switch 28 and the lightning arrester 29 are accommodated.
  • the main circuit power introduced from the line-side bus 20 via the bus-side disconnector 22 is guided from the connecting conductor 23 via the connecting conductor 30 to the circuit breaker 26, and further from the circuit breaker 26 to the line-side disconnector 27.
  • a ground switch 28 is connected from the main circuit conductor 31 through the branch conductor 32, and a lightning arrester 29 is connected through the connection conductor 33.
  • the main circuit conductor 31 is disposed in a device-side cylinder 34 having one side attached to the device container 17 and the other side penetrating the container 11 and projecting to the outside. It is arranged to be located outside. Thus, the main circuit conductor 31 is located in the lower part on the back side of the container 11.
  • the cylindrical tank body 12 is attached to the equipment side cylinder 34 in which the main circuit conductor 31 located in the lower part on the back side of the container 11 is disposed.
  • a connection conductor 121 connected to the connection portion 31 a of the main circuit conductor 31 is disposed in the cylindrical tank body 12.
  • a cylindrical tank body 12 In each of the three phases, a cylindrical tank body 12, an overhead wire power receiving section tank body 14, a bushing 15 and a current transformer 16 are integrally connected.
  • the connection conductor 121 in the cylindrical tank body 12 is connected to the power reception section conductor 141 disposed in the overhead wire power reception section tank body 14, and the power reception section conductor 141 is connected to the bushing conductor 151 disposed in the bushing 15. Yes.
  • Each phase is supported by a gantry 35.
  • the phase located on the inner side of the board as viewed from the rear side of the container is arranged in parallel to the vertical direction, and is located at the center located on the outer side of the board from the phase located on the inner side of the board.
  • the phase is attached with an inclination of, for example, 15 degrees with the central axis of the cylindrical tank body 12 as a support shaft.
  • the phase located on the outside of the panel from the central phase is attached with an inclination of, for example, 15 degrees with the central axis of the cylindrical tank body 12 as a support shaft. That is, the interphase pitch P is, for example, 15 degrees, and the interphase insulation distances Q1 and Q2 are Q1 ⁇ Q2, and a sufficient insulation distance is obtained. It should be noted that a sufficient insulation distance is obtained as the interphase insulation distance Q3 on the inner side of the panel.
  • the cylindrical tank body 12, the overhead wire power receiving unit tank body 14, the bushing 15 and the current transformer 16 are integrally connected.
  • the side cylinder 34 is fastened to the flanges 12 a and 34 a by bolts 36 and nuts 37.
  • the bolts 36 are arranged at a pitch of 15 degrees, for example, and the cylindrical tank body 12 can be attached at an arbitrary position such as 15 degrees or 30 degrees. That is, the integral structure of the cylindrical tank body 12, the overhead wire power receiving section tank body 14, the bushing 15 and the current transformer 16 can be tilted and attached to an arbitrary position.
  • connection portion 31a of the main circuit conductor 31 disposed inside the device-side cylinder 34 and the connection conductor 121 disposed in the cylindrical tank body 12 can be rotated by, for example, a tulip junction 38 as shown in FIG. It is connected to the.
  • a tulip junction 38 as shown in FIG. It is connected to the.
  • Various configurations can be applied to the tulip junction 38.
  • the cylindrical tank body 12 is attached to the lower part of the rear surface of the board, which is the bus bar position of the container 11, that is, the equipment side cylinder 34 in which the main circuit conductor 31 is arranged in the bus bar lead-out part 13. Since the overhead wire power receiving unit tank body 14, the bushing 15, and the current transformer 16 are disposed in the cylindrical tank bodies 12, respectively, the installation space in the height direction can be reduced.
  • the current transformer 16 is attached to the outer peripheral side of the overhead wire power receiving section tank body 14, so that the current transformer 16 can be attached and detached, and the maintainability can be improved. it can.
  • the interphase pitch P is, for example, 15 degrees.
  • the present invention is not limited to this, and various changes can be made according to the device capacity or the allowable insulation distance. Of course.
  • the present invention can be freely combined with each other or can be appropriately modified or omitted.
  • the present invention is suitable for realizing a gas-insulated switchgear in which a bushing can be attached in any direction, and a current transformer can be easily attached, removed, and maintained.

Abstract

L'invention porte sur un appareillage de commutation isolé par un gaz, lequel appareillage comporte : un réservoir dans lequel est renfermé l'équipement nécessaire ; des corps de réservoir cylindriques qui sont disposés individuellement, sur le côté arrière du récipient, pour trois phases ; des corps de réservoir de section de réception d'énergie de ligne d'énergie aérienne qui sont respectivement disposés sur les corps de réservoir cylindriques ; et des coussinets qui sont respectivement disposés sur les corps de réservoir de section de réception d'énergie de ligne d'énergie aérienne. Chacun des corps de réservoir cylindriques est configuré de façon à être apte à être installé en n'importe quelle position dans la direction périphérique.
PCT/JP2012/051387 2011-09-29 2012-01-24 Appareillage de commutation isolé par un gaz WO2013046737A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201280022223.7A CN103503257B (zh) 2011-09-29 2012-01-24 气体绝缘开关装置
JP2013535947A JP5683711B2 (ja) 2011-09-29 2012-01-24 ガス絶縁開閉装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011213810 2011-09-29
JP2011-213810 2011-09-29

Publications (1)

Publication Number Publication Date
WO2013046737A1 true WO2013046737A1 (fr) 2013-04-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/051387 WO2013046737A1 (fr) 2011-09-29 2012-01-24 Appareillage de commutation isolé par un gaz

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Country Link
JP (1) JP5683711B2 (fr)
CN (1) CN103503257B (fr)
WO (1) WO2013046737A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112470355B (zh) * 2018-07-24 2023-02-03 三菱电机株式会社 气体绝缘开关机构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625314A (en) * 1979-08-06 1981-03-11 Mitsubishi Electric Corp Composite switch unit
JPS5822017U (ja) * 1981-07-24 1983-02-10 三菱電機株式会社 ガス絶縁開閉装置
JPH01103104A (ja) * 1987-10-15 1989-04-20 Nissin Electric Co Ltd キュービクル形ガス絶縁開閉装置
JPH01114311A (ja) * 1987-10-27 1989-05-08 Mitsubishi Electric Corp ガス絶縁開閉装置
JP2000232707A (ja) * 1999-02-12 2000-08-22 Meidensha Corp ガス絶縁開閉装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85106061B (zh) * 1985-08-10 1988-10-26 株式会社日立制作所 气体绝缘开关装置的连接系统
ATE454738T1 (de) * 2005-11-02 2010-01-15 Abb Technology Ag Hochspannungsleistungsschalter und schalteranordnung
CN201449877U (zh) * 2009-07-14 2010-05-05 中山市泰峰电气有限公司 气体绝缘式电压互感器
CN202059092U (zh) * 2011-04-12 2011-11-30 山东泰开高压开关有限公司 三相共箱gis组合电器与变压器相连的连接结构

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625314A (en) * 1979-08-06 1981-03-11 Mitsubishi Electric Corp Composite switch unit
JPS5822017U (ja) * 1981-07-24 1983-02-10 三菱電機株式会社 ガス絶縁開閉装置
JPH01103104A (ja) * 1987-10-15 1989-04-20 Nissin Electric Co Ltd キュービクル形ガス絶縁開閉装置
JPH01114311A (ja) * 1987-10-27 1989-05-08 Mitsubishi Electric Corp ガス絶縁開閉装置
JP2000232707A (ja) * 1999-02-12 2000-08-22 Meidensha Corp ガス絶縁開閉装置

Also Published As

Publication number Publication date
JPWO2013046737A1 (ja) 2015-03-26
CN103503257A (zh) 2014-01-08
JP5683711B2 (ja) 2015-03-11
CN103503257B (zh) 2015-11-25

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