WO2019024273A1 - Gis中电缆扩建不停电功能模块 - Google Patents

Gis中电缆扩建不停电功能模块 Download PDF

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Publication number
WO2019024273A1
WO2019024273A1 PCT/CN2017/107463 CN2017107463W WO2019024273A1 WO 2019024273 A1 WO2019024273 A1 WO 2019024273A1 CN 2017107463 W CN2017107463 W CN 2017107463W WO 2019024273 A1 WO2019024273 A1 WO 2019024273A1
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WO
WIPO (PCT)
Prior art keywords
contact
link
center conductor
gis
transmission rod
Prior art date
Application number
PCT/CN2017/107463
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
张长虹
庞准
李万民
王海军
Original Assignee
中国南方电网有限责任公司超高压输电公司检修试验中心
上海思源高压开关有限公司
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 中国南方电网有限责任公司超高压输电公司检修试验中心, 上海思源高压开关有限公司 filed Critical 中国南方电网有限责任公司超高压输电公司检修试验中心
Priority to JP2018500798A priority Critical patent/JP2019526144A/ja
Priority to DE212017000020.1U priority patent/DE212017000020U1/de
Publication of WO2019024273A1 publication Critical patent/WO2019024273A1/zh
Priority to CH01017/19A priority patent/CH714881B1/de

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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
    • H01H33/64—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas
    • 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
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • 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
    • H02B13/005—Electrical connection between switchgear cells
    • 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
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear

Definitions

  • the invention relates to the field of equipment of a converter station/substation of a voltage level of 220 kV and above, and particularly relates to a function module for cable expansion without power failure in GIS.
  • GIS products rely on their own structure, small footprint, low operating failure rate, light weight, maintenance-free and other advantages have been more and more applications, taking the ultra-high pressure company as an example, to 2016 Among them, the number of substation/commutation stations of existing GIS equipment is 8, and the number of post-expansion requirements is 6.
  • Some operation and maintenance units try to use the new GIS scheme and test methods to solve the requirements of the above equipment expansion without power failure.
  • the GIS running bus power failure is required to install the bellows docking or expansion equipment, and only the busbar is continuously operated during the power frequency withstand voltage handover test of the expansion equipment. Therefore, these two methods fail to solve the problem of non-stop busbar when GIS expansion equipment is perfect.
  • there are certain safety hazards For example, the bellows docking section does not participate in the withstand voltage test, and only runs through it.
  • the GIS manufacturer also partially improved the design structure.
  • the improved structure only the functional modules are assembled and stacked on the original structure, and there are deficiencies in the original scheduling wiring diagram, large occupied space, and structural redundancy. Have the feasibility of implementation.
  • the object of the present invention is to overcome the above-mentioned shortcomings of the prior art, and to provide a cable expansion non-blackout function module in a GIS that can expand a cable without power failure.
  • the cable expansion non-power-off function module in GIS includes a casing, a double-break switch device and a driving device;
  • the double-break switch device includes a center conductor, a moving contact, a static side contact, a transmission rod, a multi-joint push arm, and a linear reciprocating a moving mechanism;
  • the axial center position of the center conductor is provided with a sliding passage that cooperates with the movable contact and penetrates the left and right sides, and a hollow hole communicating with the sliding passage is provided at a central portion of the center conductor
  • the inner cavity of the outer casing is a sealed space, and the static side contacts are disposed on both sides of the same horizontal axis of the inner cavity, and the static contact holes of the static side contacts are oppositely disposed;
  • the center conductor is Coaxially disposed with the static contact hole at a center position of the two static side contacts; each of the sliding passages of the center conductor is provided with one of the movable contacts; one end of the transmission
  • the improvement of the above solution further includes: a grounding contact seat; the grounding contact seat is provided with a grounding through hole that cooperates with the outer circumference of the transmission rod, and a grounding spring contact finger is disposed on the inner circumference of the grounding through hole;
  • the central conductor is an electrical conductor, and the transmission rod is a conducting portion and an insulating portion from the side connected to the multi-joint pushing arm; the transmission rod is mounted on the grounding contact seat through the grounding through hole, When the transmission rod moves upward to move the two movable contacts relatively outward and protrudes from the center conductor, the insulating portion is connected with the ground spring contact finger; and the transmission rod moves downward to make two movements When the contact moves inwardly and receives the center conductor, the conducting portion is connected to the grounding spring contact finger; the grounding contact seat is mounted in the inner cavity of the outer casing and is electrically connected to the outer casing.
  • the linear reciprocating mechanism includes a rack and a transmission gear; the rack is disposed on the insulating portion and the longitudinal direction of the rack is parallel to the axis of the propeller shaft; the driving device An output shaft is disposed, the transmission gear is coaxially mounted on the output shaft, and the transmission gear meshes with the rack.
  • the linear reciprocating mechanism adopts a screw drive mechanism, and the insulating portion is provided with a screw thread portion.
  • the linear reciprocating mechanism adopts a worm gear mechanism, and the insulating portion is provided with a worm portion.
  • the multi-joint push arm includes a first link, a second link, and a third link; the first link and the third link are strip bars, the first The two links are L-shaped rods, the first link, the second link and the third link are sequentially hinged and the hinge axes are parallel to each other; one end of the transmission rod is respectively connected with two multi-joint push arms The free ends of the first links are hinged and the hinge axes are parallel to each other, the L-shaped inner corners of the second links of the two multi-joint push arms are all inward, and the free ends of the third links are The movable contact is hinged at one end and the hinge axes are parallel to each other.
  • the inner circumferences of the sliding passages are respectively provided with first spring fingers for engaging with the movable contacts; and the second static contact holes are provided with a second for engaging the movable contacts The spring touches the finger.
  • a support insulator is disposed between the center conductor and the outer casing for fixing the position of the inner conductor in the inner cavity and insulating the center conductor from the outer casing.
  • the outer casing is an electric conductor
  • the inner cavity is a T-shaped passage
  • the central conductor, the movable contact and the static side contact are arranged in a horizontal direction of the T-shaped passage.
  • T-shaped channel The multi-joint push arm and the linear reciprocating mechanism are disposed in a vertical direction; and the driving device is disposed outside the outer casing.
  • FIG. 1 is a schematic structural view of a cable expansion and non-power failure function module in the GIS of the present invention.
  • FIG. 2 is a cross-sectional view showing the conduction state of a cable expansion non-power failure function module in the GIS of the present invention.
  • FIG. 3 is a cross-sectional view showing the disconnected state of the cable expansion non-power-off function module in the GIS of the present invention.
  • the cable expansion non-power-off function module in the GIS includes a casing 1, a double-break switch device, and a drive device 2;
  • the double-break switch device includes a center conductor 3, a movable contact 4, and a static side.
  • the axial center position of the center conductor 3 is matched with the movable contact 4 and penetrates the left and right sides
  • the sliding passage 10 is provided with a hollow hole 11 communicating with the sliding passage 10 at a central portion of the center conductor 3.
  • the inner chamber 12 of the outer casing 1 is a sealed space, and two of the same horizontal axis of the inner chamber 12
  • the static side contacts 5 are disposed on the sides, and the static contact holes 13 of the static side contacts 5 are oppositely disposed; the center conductor 3 and the static contact holes 13 are coaxially disposed on the two sides.
  • the movable contact 4 of the central conductor 3 is provided with one of the movable contacts 4; one end of the transmission rod 6 connects two multi-joints having the same structure
  • the pushing arm 7 and the other ends of the two multi-joint pushing arms 7 respectively move through the hollow holes 11 and the two ends Head 4 is connected to a drive rod 6 away from the end of the multi-joint arm 7 to push
  • the linear reciprocating mechanism 8 is connected to the driving device 2; the driving device 2 drives the linear reciprocating mechanism 8 to reciprocate the transmission rod 6 up and down, thereby making the two more
  • the joint pushing arm 7 synchronously pushes the movable contacts 4 on both sides to slide back and forth on the sliding passage 10, and the movable contact 4 protrudes from the center conductor 3 to cooperate with the static side contact 5
  • the static contact holes 13 are inserted to electrically connect the stationary side contacts 5 on both sides.
  • the inner circumference of both ends of the sliding passage 10 is provided with a first spring finger 15 for engaging with the movable contact 4; a second spring for engaging with the movable contact 4 is disposed on the static contact hole 13 Touch finger 16.
  • a support insulator 17 is provided between the center conductor 3 and the outer casing 1 for fixing the position of the inner conductor 3 in the inner cavity 12 and insulating the center conductor 3 from the outer casing 1.
  • the grounding contact seat 9 is provided with a grounding through hole 18 that cooperates with the outer circumference of the transmission rod 6.
  • a grounding spring contact finger 19 is disposed on the inner circumference of the grounding through hole 18; the center conductor 3 is an electrical conductor.
  • the transmission rod 6 is in turn from the side connected to the multi-joint pushing arm 7 as the electric conducting portion 20 and the insulating portion 21; the transmission rod 6 is mounted on the grounding contact seat 9 through the grounding through hole 18, When the transmission rod 6 moves upward to move the two movable contacts 4 relatively outward and protrudes from the center conductor 3, the insulating portion 21 is connected with the ground spring contact finger 19; When the downward movement causes the two movable contacts 4 to move inward relative to each other and is received into the center conductor 3, the conducting portion 20 is connected to the grounding spring contact finger 19; the grounding contact seat 9 is mounted on the The inner cavity 12 of the outer casing 1 is electrically connected to the outer casing 1.
  • the linear reciprocating mechanism 8 includes a rack 22 and a transmission gear 23; the rack 22 is disposed on the insulating portion 21 and the longitudinal direction of the rack 22 is parallel to the axis of the transmission rod 6;
  • the device 2 is provided with an output shaft 14, which is coaxially mounted on the output shaft 14, the drive gear 23 meshing with the rack 22.
  • the multi-joint push arm 7 includes a first link 24, a second link 25, and a third link 26; the first link 24 and the third link 26 are strip bars, the first The two links 25 are L-shaped rods, and the first link 24, the second link 25, and the third link 26 are sequentially hinged and the hinge axes are parallel to each other; the one end of the transmission rod 6 is respectively more than two The free ends of the first link 24 connected by the joint pushing arm 7 are hinged and the hinge axes are parallel to each other, and the L-shaped inner corners of the second links 25 of the two multi-joint pushing arms 7 are all inward, the third The free end of the link 26 is hinged to one end of the movable contact 4 and the hinge axes are parallel to each other.
  • the outer casing 1 is an electric conductor, and the inner cavity 12 is a T-shaped passage.
  • the central conductor 3, the movable contact 4 and the static side contact 5 are arranged in the horizontal direction of the T-shaped passage.
  • the vertical direction of the T-shaped channel is provided
  • the multi-joint push arm 7 and the linear reciprocating mechanism 8 are described; the drive device 2 is disposed outside the outer casing 1.
  • the linear reciprocating mechanism 8 employs a screw drive mechanism, and the insulating portion 21 is provided with a screw thread portion.
  • the linear reciprocating mechanism 8 employs a worm gear mechanism, and the insulating portion 21 is provided with a worm portion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Transmission Devices (AREA)
  • Measuring Leads Or Probes (AREA)
  • Gas-Insulated Switchgears (AREA)
PCT/CN2017/107463 2017-08-02 2017-10-24 Gis中电缆扩建不停电功能模块 WO2019024273A1 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2018500798A JP2019526144A (ja) 2017-08-02 2017-10-24 Ｇｉｓ中ケーブル増設無停電機能モジュール
DE212017000020.1U DE212017000020U1 (de) 2017-08-02 2017-10-24 Funktionsmodul zum Kabelausbau in GIS ohne Stromabschaltung
CH01017/19A CH714881B1 (de) 2017-08-02 2019-10-17 Funktionsmodul zum Kabelausbau in GIS ohne Stromabschaltung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710653341.2A CN107370063B (zh) 2017-08-02 2017-08-02 Gis中电缆扩建不停电功能模块
CN201710653341.2 2017-08-02

Publications (1)

Publication Number Publication Date
WO2019024273A1 true WO2019024273A1 (zh) 2019-02-07

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ID=60310098

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PCT/CN2017/107463 WO2019024273A1 (zh) 2017-08-02 2017-10-24 Gis中电缆扩建不停电功能模块

Country Status (5)

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JP (1) JP2019526144A (de)
CN (1) CN107370063B (de)
CH (1) CH714881B1 (de)
DE (1) DE212017000020U1 (de)
WO (1) WO2019024273A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113890975A (zh) * 2021-09-26 2022-01-04 贵州电网有限责任公司 Gis全封闭组合电器隔离开关位置状态识别装置
CN114825144A (zh) * 2022-04-06 2022-07-29 内蒙古能源规划设计研究院有限公司 一种变电站接地网的布置结构

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109616365B (zh) * 2018-12-14 2020-05-08 北京中车赛德铁道电气科技有限公司 一种永磁助力式双端真空绝缘接地开关
CN110364957B (zh) * 2019-07-17 2021-01-22 西安西电开关电气有限公司 一种gis设备的扩建模块
CN112449472B (zh) * 2019-08-28 2022-10-18 比亚迪股份有限公司 电力机车静电消除器及电力机车站台
CN110829327B (zh) * 2019-10-09 2021-06-29 平高集团有限公司 母线扩建装置
CN111029092B (zh) * 2019-12-31 2022-09-30 国网山东省电力公司龙口市供电公司 一种电力变压器
CN112202093B (zh) * 2020-08-14 2022-06-28 平高集团有限公司 Gis不停电扩建装置及变电站

Citations (5)

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CN2224460Y (zh) * 1994-12-28 1996-04-10 西安高压开关厂 罐式六氟化硫断路器
JP2012253896A (ja) * 2011-06-02 2012-12-20 Toshiba Corp 電力用ガス絶縁機器および電力用ガス絶縁機器の絶縁ガスの充填または排気方法
CN104347323A (zh) * 2013-07-23 2015-02-11 株式会社东芝 气体断路器
CN104465203A (zh) * 2014-12-04 2015-03-25 中国西电电气股份有限公司 一种高压断路器用传动装置
CN106504931A (zh) * 2016-10-27 2017-03-15 平高集团威海高压电器有限公司 双向隔离开关及使用该双向隔离开关的gis开关设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207251062U (zh) * 2017-08-02 2018-04-17 中国南方电网有限责任公司超高压输电公司检修试验中心 Gis中电缆扩建不停电功能模块

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2224460Y (zh) * 1994-12-28 1996-04-10 西安高压开关厂 罐式六氟化硫断路器
JP2012253896A (ja) * 2011-06-02 2012-12-20 Toshiba Corp 電力用ガス絶縁機器および電力用ガス絶縁機器の絶縁ガスの充填または排気方法
CN104347323A (zh) * 2013-07-23 2015-02-11 株式会社东芝 气体断路器
CN104465203A (zh) * 2014-12-04 2015-03-25 中国西电电气股份有限公司 一种高压断路器用传动装置
CN106504931A (zh) * 2016-10-27 2017-03-15 平高集团威海高压电器有限公司 双向隔离开关及使用该双向隔离开关的gis开关设备

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113890975A (zh) * 2021-09-26 2022-01-04 贵州电网有限责任公司 Gis全封闭组合电器隔离开关位置状态识别装置
CN113890975B (zh) * 2021-09-26 2023-12-01 贵州电网有限责任公司 Gis全封闭组合电器隔离开关位置状态识别装置
CN114825144A (zh) * 2022-04-06 2022-07-29 内蒙古能源规划设计研究院有限公司 一种变电站接地网的布置结构

Also Published As

Publication number Publication date
CH714881A1 (de) 2019-02-07
CH714881B1 (de) 2022-01-14
DE212017000020U1 (de) 2018-03-01
CN107370063A (zh) 2017-11-21
CN107370063B (zh) 2019-11-12
JP2019526144A (ja) 2019-09-12

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