WO2016011636A1 - Appareil de commutation comprenant un transformateur de tension ou un parafoudre du côté barre omnibus - Google Patents

Appareil de commutation comprenant un transformateur de tension ou un parafoudre du côté barre omnibus Download PDF

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Publication number
WO2016011636A1
WO2016011636A1 PCT/CN2014/082891 CN2014082891W WO2016011636A1 WO 2016011636 A1 WO2016011636 A1 WO 2016011636A1 CN 2014082891 W CN2014082891 W CN 2014082891W WO 2016011636 A1 WO2016011636 A1 WO 2016011636A1
Authority
WO
WIPO (PCT)
Prior art keywords
busbar
feeder
voltage transformer
circuit breaker
station
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
Application number
PCT/CN2014/082891
Other languages
English (en)
Chinese (zh)
Inventor
许丽明
杨长洲
杜北江
阙银中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Technology AG
Original Assignee
ABB Technology AG
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 ABB Technology AG filed Critical ABB Technology AG
Priority to CN201480065630.5A priority Critical patent/CN105794059B/zh
Priority to PCT/CN2014/082891 priority patent/WO2016011636A1/fr
Publication of WO2016011636A1 publication Critical patent/WO2016011636A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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 busbar compartment 1100 is a schematic structural view of an existing feeder cabinet, including a busbar compartment 1100, a breaker compartment 2100, a cable compartment 3100, and a low pressure compartment 4100.
  • the busbar compartment 1100 includes a main busbar, a busbar socket, a branch busbar and a feeder three-position switch, and a through-wall bushing.
  • the busbar socket is used to connect the main busbar and realize connection with other switchgear; the branch busbar is used to split and pass the feed from the main busbar
  • the line three-position switch is connected to the feeder side, and the feeder three-position switch is used to realize the connection control between the branch bus and the feeder, including three states of connection, isolation and ground.
  • the circuit breaker chamber 2100 includes a circuit breaker, a current transformer, a voltage transformer, a cable socket, and a connection busbar.
  • the circuit breaker is used to realize the breaking and closing of the feeder side line, and the voltage transformer and the current transformer are used for measuring and protecting the feeder side.
  • the connection of the cable socket is arranged in a "one" shape, and the copper bars are connected.
  • the cable compartment 3100 is mounted on the bottom surface, the busbar compartment 1100 is mounted on the cable compartment 3100, the circuit breaker 2100 compartment is placed above the busbar compartment 1100 and the cable compartment 3100, and the low voltage compartment 4200 is placed in the busbar compartment 1100 and the breaker compartment 2100. In front, the parts are assembled in sequence and are easy to operate.
  • the busbar compartment 1200 mainly includes a busbar socket, a voltage transformer isolation device, a voltage transformer socket and a voltage transformer, a lightning arrester socket and a lightning arrester, a main busbar and a branch connection copper busbar.
  • the conventional switch with air as the insulating medium refuses to have a large volume (rejection is not less than 1200mm, the volume is generally not less than 7m), and the weight is heavier (generally not less than 2t). Difficulties, especially in the harsh environment conditions such as high altitude, humidity, pollution, etc. In this context, refusal gas insulated switch rejection has received increasing attention.
  • Reject Cubicle Gas-Insulated Switchgear has the advantages of small size, light weight, good safety, high reliability, and can be used under harsh environmental conditions.
  • the busbar chamber comprises two poles, each pole comprising two branch lines, one branch line being a feeder side feeder line and the other strip being a busbar side metering and protection line with an isolation function.
  • the movement of the movable contact is respectively connected with the feeder three-station static contact, the feeder three-station intermediate contact, and the feeder three-station ground contact to realize line connection, isolation and grounding. Function;
  • the main busbar is connected with the branch busbar, and is connected with the circuit breaker room through the feeder three-position switch and the through-wall bushing to realize the feeder side feeder function.
  • the lightning arrester is included in the busbar compartment.
  • the circuit breaker compartment includes a voltage transformer.
  • the busbar compartment includes a casing, a wall bushing, a feeder three-station static contact, a feeder three-station intermediate contact, a feeder three-station ground contact, and a feeder three-station Moving contacts, arrester connection copper bars, sub-arrester sockets, bus sockets, main busbars, branch copper bars.
  • the busbar chamber comprises two poles, each pole comprises two branch lines, one branch line is a twist line side feed line, and one main line bus line arrester line.
  • the switch device with the busbar side voltage transformer or the lightning arrester of the invention has the same size but higher integration with the existing classic feeder, and has the function of branch feeder, the main busbar metering and protection function, and the busbar side Voltage protection function, feeder side metering function and feeder side overvoltage protection function, highly integrated design greatly saves material and floor space; Compact circuit breaker compartment design can not only meet the requirements of high current load but also realize feeder Side over voltage safety protection makes the operation of the switchgear safer and more efficient; and the new switchgear is simple in structure, easy to manufacture and easy to operate. .
  • FIG. 1 is a schematic structural view of a conventional feeder reject
  • FIG. 2 is a schematic structural view of a conventional gauge rejection
  • FIG. 3 is a first preferred embodiment of the present invention, with a busbar side voltage mutual inductance Schematic diagram of the switching device of the feeder, the feeder side arrester and the feeder side voltage transformer
  • Fig. 4 is a schematic view showing the structure of the busbar chamber with the busbar side voltage transformer according to the first preferred embodiment of the present invention
  • a first preferred embodiment of the present invention a schematic diagram of a circuit breaker chamber structure with a feeder side arrester
  • FIG. 3 is a schematic view showing the structure of a switchgear having a busbar side voltage transformer, a feeder side surge arrester and a feeder side voltage transformer according to a first preferred embodiment of the switchgear with a busbar side voltage transformer or a lightning arrester of the present invention.
  • the busbar compartment 1000, the circuit breaker compartment 2000, the cable compartment 3000, and the low pressure compartment 4000 are included.
  • the cable room 3000 is installed at the bottom, the bus bar room 1000 and the circuit breaker room 2000 are respectively mounted on the frame of the cable room 3000, the circuit breaker room 2000 is placed above the bus bar room 1000, and the low voltage room 4000 is placed in the bus bar room 1000 and the circuit breaker In front of the chamber 2000, the parts are assembled in sequence and are easy to operate.
  • the main feature of the switch rejection is that the voltage transformer with the isolation device and the feeder three-station switch are integrated into the new busbar room 1000 on the busbar side, and the voltage transformers and the arresters and circuit breakers on the feeder side with the isolation device are integrated into the new circuit breaker. Room 2000.
  • the power feeding on the side feeder side of the bus line, the isolation between the feeder side and the bus side and the grounding on the feeder side are realized; the voltage transformer of the bus room 1000 can monitor the voltage of the bus and the insulation state for protection and automatic Devices, meters and other equipment provide voltage loops.
  • the isolation device includes two positions, which are divided into two parts. When the position is divided, there is an insulation distance and an obvious disconnection mark between the contacts. When the switch is rejected for repair or replacement, the voltage transformer can be effectively checked. The effective grounding during repair and replacement enables on-line inspection and replacement to quickly resolve faults; it can carry current under normal loop conditions when in position.
  • the circuit breaker room 2000 is provided with a plurality of cable sockets for plugging a plurality of cables to meet the demand of a large current load, and a voltage transformer with an isolation device is used for monitoring the line voltage and applied to the system parallel device (for example, synchronous detection, no detection) Pressure, BZT devices, etc.), lightning arresters are used to release lightning or can release the power system to overvoltage energy and protect the line or downstream equipment from transient overvoltage hazards while interrupting the freewheeling without causing system grounding short circuit.
  • the cable compartment 3000 has a good cable installation space, which is very advantageous for the installation of the gas insulated switch and the inner tapered cable, which greatly reduces the work intensity of the field installation and greatly improves the ease of installation of the field cable.
  • the busbar compartment 1000 includes a casing 10, a wall bushing 20, and a feeder three-station switch.
  • Contact 30 feeder three-position switch intermediate contact 31, feeder three-position switch ground contact 32, feeder three-position switch moving contact 33, voltage transformer connection copper row 40, voltage transformer isolation device 41, isolation
  • the device operating mechanism 42 the voltage transformer socket 43, the voltage transformer 44, the voltage transformer grounding bar 45, the bus bar socket 50, the main bus bar 60, and the branch bus bar 61.
  • the busbar room 1000 includes two poles, each pole includes two branch lines, one branch line is a feeder side feeder line, and one is a busbar side metering and protection line with an isolation function.
  • the voltage transformer connection copper busbar 40, the isolating device 41, the isolating device clamping mechanism 42, and the voltage transformer socket 43 are a complete busbar side voltage transformer device with an isolation function.
  • the driving device 41 is connected with the voltage transformer connecting copper bar 40 and the voltage transformer grounding bar 45 respectively, thereby realizing the connection and grounding function of the voltage transformer, that is, the separating and combining of the isolating device. position.
  • the feeder three-position switch When the feeder three-position switch is in the "closed” position, the current flows out from the bus socket 50, passes through the main bus copper row 60 and the branch copper row 61, passes through the feeder three-position switch static contact 30, and the feeder three-position switch movable contact 33.
  • the feeder three-position switch intermediate contact 31 is connected to the through-wall bushing 20 and the circuit breaker chamber 2000, and finally flows out via the cable.
  • the three-position movable contact 33 When the feeder three-position switch is in the "isolation” position, the three-position movable contact 33 is connected to the three-position intermediate contact 31, and the electric energy will not be connected to the circuit breaker chamber 2000 through the through-wall bushing 20.
  • the busbar side metering device When the voltage transformer is isolated When the device 41 is connected to the voltage transformer grounding bar 45, the busbar side metering device is grounded through the grounding bar 45 and the housing 10, and the voltage of the busbar side isolation device is Grounding position of the transformer branch line. When it is in the grounding position, there is an insulation distance and an obvious disconnection mark between the contacts. When the switch is rejected for repair or replacement, the voltage transformer can be effectively guaranteed during maintenance and replacement. Effectively grounded, so that online maintenance and replacement can be realized, and the fault can be quickly solved.
  • FIG. 5 shows a first preferred embodiment of the present invention, a circuit breaker with a feeder side arrester
  • the circuit breaker chamber 2000 includes a housing 200, a circuit breaker 220, a wall bushing connection copper bar 210, a current transformer 230, a circuit breaker connecting copper bar 211, a current transformer connecting copper bar 212, and a cable socket connecting copper plate. 213, arrester connection copper row 214, voltage transformer connection copper row 215, heat sink 240, cable socket 250, lightning arrester socket 260, voltage transformer connection socket 270 and voltage transformer with isolation knife manufacturing mechanism 280, voltage transformer Isolation device 290.
  • the circuit breaker compartment 2000 comprises two poles, each pole comprising three branches.
  • the copper busbar 210 is connected to the busbar room 1000 through the through-wall bushing, and is connected to the copper busbar 211 through the circuit breaker 220 and the circuit breaker, and is connected to the three branch lines from the circuit breaker connecting copper bar 211.
  • the isolation device of the voltage transformer can be isolated from the line when needed to ensure the safety of the operation.
  • the heat sink 240 is used to improve the heat dissipation of the circuit breaker chamber 2000, and to ensure more efficient and stable operation of the entire switchgear during high current operation.
  • 6 is a second preferred embodiment of a switchgear with a busbar side voltage transformer or a lightning arrester of the present invention, a switchgear having a busbar side arrester, a feeder side arrester and a feeder side voltage transformer; including a main busbar compartment 1300. Circuit breaker chamber 2000, cable chamber 3000, and low pressure chamber 4000.
  • the cable room 3000 is installed at the bottom layer, the bus bar room 1300 and the circuit breaker room 2000 are respectively installed on the cable room 3000, and the circuit breaker room 2000 is placed above the bus bar room 1300, and the low voltage is low.
  • the chamber 4000 is placed in front of the busbar chamber 1300 and the circuit breaker chamber 2000, and the respective sections are sequentially mounted for easy operation.
  • the main feature of the switchgear is that the busbar side arrester and the feeder three station switch are integrated into the new busbar room 1300.
  • the feeder three-station switch system realizes the electric energy feeding on the side feeder side of the bus line, the isolation between the feeder side and the bus side, and the ground on the feeder side; the bus side arrester can release the lightning or can release the overvoltage energy of the power system to protect the bus line. Due to the transient overvoltage, it can cut off the freewheeling and will not cause the system to be shorted to ground.
  • the circuit breaker room 2000 is also equipped with multiple cable sockets for plugging multiple cables to meet the requirements of large current load. Voltage transformers with isolation devices are used to monitor the line voltage and apply to system parallel devices such as synchronous detection.
  • a busbar chamber with a busbar side arrester the busbar compartment 1300 includes a housing 310, a wall bushing 320, and a feeder three-position switch static contact 330.
  • the busbar chamber 1300 includes two poles, each pole includes two branch lines, one branch line is a feeder side feeder line, and one main line busbar arrester line.
  • Feeder three-position switch static contact 330, feeder three-position switch intermediate contact 331, feeder three-position switch ground contact 332, feeder three-position switch moving contact 333 is a complete feeder three-position switch, The movement of the movable contact 333 is respectively connected with the feeder three-position switch static contact 330, the feeder three-position switch intermediate contact 331, and the feeder three-station switch ground contact 332 to realize the functions of line connection, isolation and grounding.
  • the main busbar 360, the branch copper busbar 361, the arrester connection copper bar 340 are connected with the arrester socket 341, and finally the busbar side arrester 344 is plugged through the arrester socket 341 to release lightning or It can also release the over-voltage energy of the power system to protect the busbar from the transient over-voltage hazard, and can cut off the freewheeling without causing the system to be short-circuited to the ground.
  • the bus bar socket 350 is used for connecting the main bus bar 360 and the splicing with other switch devices; one end of the main bus bar 360 is connected with the feeder branch branch copper bus 361, and is connected with the circuit breaker room 2000 through the feeder three-position switch and the through-wall bushing. Feeder side feeder function.
  • the circuit breaker 2000 is the same as the circuit breaker described in FIG. 5 and will not be described again.
  • 8 is a third preferred embodiment of a switchgear with a busbar side voltage transformer or a lightning arrester according to the present invention, a switchgear having a busbar side voltage transformer, a feeder side arrester but no feeder side voltage transformer;
  • the switchgear has a busbar compartment 1000, a breaker compartment 2300, a cable compartment 3000, and a low pressure compartment 4000.
  • the apparatus has a busbar compartment 1300, a breaker compartment 2300, a cable compartment 3000, and a low pressure compartment 4000.
  • the cable compartment 3000 is installed at the bottom, the busbar compartment 1300 and the breaker compartment 2300 are respectively mounted on the frame of the cable compartment 3000, the breaker compartment 2300 is placed above the busbar compartment 1300, and the low voltage compartment 4000 is placed in the busbar compartment 1300 and the circuit breaker In front of the chamber 2300, the parts are sequentially assembled and easy to operate.
  • the busbar chamber 1300 has the same function as the busbar compartment shown in FIG. 7, and will not be described again.
  • the circuit breaker chamber 2300 shown is different from the circuit breaker shown in FIG. 5 in that the voltage transformer socket 270 and the connection copper busbar 215 shown in FIG. 5 are not associated with the voltage transformer. Other functions are the same and will not be described again.
  • the switching device described in this paper is a two-pole switch rejection.
  • the voltage transformer or surge arrester device and the feeder switch are integrated in a busbar room. Both the main busbar metering and overvoltage protection functions and the feeder side feeder function, as well as the feeder side metering And protection features, etc.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

L'invention concerne un appareil de commutation comprenant un transformateur de tension ou un parafoudre du côté barre omnibus. Une chambre de barres omnibus comprenant un transformateur de tension du côté barre omnibus comprend un ensemble-système de commutation à trois positions d'alimentation et un ensemble-système transformateur de tension comprenant un dispositif d'isolation. Le système de commutation à trois positions d'alimentation est utilisé pour mettre en œuvre une alimentation électrique du côté barre omnibus vers le côté alimentation, l'isolation entre le côté alimentation et le côté barre omnibus, et la mise à la terre du côté alimentation. Le système transformateur de tension comprenant le dispositif d'isolation est utilisé pour surveiller la tension de barre omnibus et l'état d'isolation, et fournir un circuit de tension pour des appareils tels que des dispositifs et des instruments de protection et automatiques. Une chambre de barres omnibus comprenant un parafoudre du côté barre omnibus comprend un ensemble-système de commutation à trois positions d'alimentation et un ensemble-système parafoudre. Le système de commutation à trois positions d'alimentation est utilisé pour mettre en œuvre une alimentation électrique du côté barre omnibus vers le côté alimentation, une isolation entre le côté alimentation et le côté barre omnibus, et la mise à la terre du côté alimentation. Le système parafoudre du côté barre omnibus peut libérer l'énergie du tonnerre et de la foudre ou peut également libérer l'énergie de surtension due au fonctionnement d'un système d'alimentation, protéger la barre omnibus contre des endommagements dus à une surtension transitoire, et peut bloquer le courant suivant sans provoquer de court-circuit à la masse du système.
PCT/CN2014/082891 2014-07-24 2014-07-24 Appareil de commutation comprenant un transformateur de tension ou un parafoudre du côté barre omnibus Ceased WO2016011636A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480065630.5A CN105794059B (zh) 2014-07-24 2014-07-24 带母线侧电压互感器或避雷器的开关设备
PCT/CN2014/082891 WO2016011636A1 (fr) 2014-07-24 2014-07-24 Appareil de commutation comprenant un transformateur de tension ou un parafoudre du côté barre omnibus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/082891 WO2016011636A1 (fr) 2014-07-24 2014-07-24 Appareil de commutation comprenant un transformateur de tension ou un parafoudre du côté barre omnibus

Publications (1)

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WO2016011636A1 true WO2016011636A1 (fr) 2016-01-28

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PCT/CN2014/082891 Ceased WO2016011636A1 (fr) 2014-07-24 2014-07-24 Appareil de commutation comprenant un transformateur de tension ou un parafoudre du côté barre omnibus

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CN (1) CN105794059B (fr)
WO (1) WO2016011636A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111130003A (zh) * 2020-01-19 2020-05-08 青岛特锐德电气股份有限公司 一种充气柜上的进线隔离计量柜
CN112310879A (zh) * 2020-10-15 2021-02-02 许继集团有限公司 气体绝缘开关设备的可插拔电压互感装置及带电插拔方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09191512A (ja) * 1996-01-10 1997-07-22 Nissin Electric Co Ltd ガス絶縁開閉装置
CN201435552Y (zh) * 2009-05-21 2010-03-31 浙江金誉电气有限公司 交流金属封闭开关设备
CN201541081U (zh) * 2009-12-01 2010-08-04 Abb技术有限公司 单极铁路柜式气体绝缘开关设备
CN202872241U (zh) * 2012-08-14 2013-04-10 Abb技术有限公司 具有母线隔离功能的和具有母线测量功能的母线室
CN203406512U (zh) * 2013-07-16 2014-01-22 Abb技术有限公司 具有母线隔离功能的和母线测量功能的断路器室

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2790892B2 (ja) * 1990-03-22 1998-08-27 三菱電機株式会社 ガス絶縁開閉装置
CN201490613U (zh) * 2009-06-03 2010-05-26 Abb技术有限公司 两相共箱的铁路开关柜

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09191512A (ja) * 1996-01-10 1997-07-22 Nissin Electric Co Ltd ガス絶縁開閉装置
CN201435552Y (zh) * 2009-05-21 2010-03-31 浙江金誉电气有限公司 交流金属封闭开关设备
CN201541081U (zh) * 2009-12-01 2010-08-04 Abb技术有限公司 单极铁路柜式气体绝缘开关设备
CN202872241U (zh) * 2012-08-14 2013-04-10 Abb技术有限公司 具有母线隔离功能的和具有母线测量功能的母线室
CN203406512U (zh) * 2013-07-16 2014-01-22 Abb技术有限公司 具有母线隔离功能的和母线测量功能的断路器室

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111130003A (zh) * 2020-01-19 2020-05-08 青岛特锐德电气股份有限公司 一种充气柜上的进线隔离计量柜
CN112310879A (zh) * 2020-10-15 2021-02-02 许继集团有限公司 气体绝缘开关设备的可插拔电压互感装置及带电插拔方法

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