CN102916362A - Intelligent inflatable high-pressure vacuum switch cabinet for metro - Google Patents
Intelligent inflatable high-pressure vacuum switch cabinet for metro Download PDFInfo
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- CN102916362A CN102916362A CN2011102191601A CN201110219160A CN102916362A CN 102916362 A CN102916362 A CN 102916362A CN 2011102191601 A CN2011102191601 A CN 2011102191601A CN 201110219160 A CN201110219160 A CN 201110219160A CN 102916362 A CN102916362 A CN 102916362A
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- circuit breaker
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- bus bar
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- 238000012423 maintenance Methods 0.000 claims abstract description 12
- 239000012212 insulator Substances 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 13
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 7
- 229910018503 SF6 Inorganic materials 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 239000011553 magnetic fluid Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
An intelligent inflatable high-pressure vacuum switch cabinet for a metro comprises a low-pressure chamber, an upper mechanism operation chamber, a lower mechanism operation chamber, a lower maintenance chamber, a lower pressure discharging chamber, a main bus inflating chamber, a cable mounting chamber, a vacuum circuit breaker inflating chamber and a rear pressure discharging chamber. The intelligent inflatable high-pressure vacuum switch cabinet is characterized in that a main conductive return circuit is sealed in the main bus inflating chamber and the circuit breaker inflating chamber, each of the inflating chambers is provided with one three-position isolating/earthing switch inside, and the main bus inflating chamber and the circuit breaker inflating chamber are electrically connected via a middle connector. Under overhauling condition or outage condition, the two three-position isolating/earthing switches can be earthed to effectively protect safety of maintainers during maintaining. When serious fault happens to the circuit breaker chamber which cannot be overhauled on site, the three-position isolating/earthing switch of the main bus inflating chamber can be separated, relative connecting pieces can be removed, the vacuum circuit breaker inflating chamber can be drawn out and replaced by a spare separation chamber, power supply can be quickly recovered, and the critical defects that a single air-chamber switch cabinet cannot be maintained on site and outage time is long are overcome.
Description
Technical field
The present invention relates to a kind of solid-insulation high-voltage vacuum switch cabinet, refer in particular to a kind of subway Intelligent type inflatable (C-GIS) high voltage vacuum switchgear cabinet.
Background technology
The medium pressure gas insulated metal closed switch equipment is the nineties in the last century complete power distribution equipment of new and high technology that gets up of new development in the world, take modularization, multi-functional combination, high reliability and compact conformation as design object, created preeminent accomplishment technical, economically, representing developing direction and the advanced international standard of contemporary medium voltage switchgear equipment, to the expansion of middle pressure field, adopt SF6 gas or SF6 and the N of low-pressure: mist is as dielectric with conventional GIS technology for it.The GIS technology is combined with the switch cubicle technology and forms brand-new complete tandem product be referred to as Cubicle Gas-Insulated Switchgear, and little with its volume, antipollution obtains users' approval very soon, the natural environment abominable occasions relative to condition such as the particularly suitable reliability requirement is high and underground, plateau, coastal area, application surface is more and more wider.Yet at present: the producer that has released gas-filled type (C-GIS) vacuum circuit breaker cabinet, design level still rests on the level of last century eight, the nineties, bellows is still adopted in the sealing of control mechanism of vacuum circuit breaker and charging compartment, bellows-welding Sealing Technology difficulty of processing is large, the domestic quality that only has a factory can reach processing request, while bellows itself at present is also very unstable, thereby there is very large gas leakage potential safety hazard in whole charging compartment.Simultaneously mostly be greatly single air chamber structure, equipment property safe and reliable to operation is lower, and going wrong such as a product will cause whole power failures until maintenance is finished, and may also will change whole product in the serious situation, interruption duration can be longer.This is that important power supply user institute is unallowable, such as railway traffic, aviation etc.Reason owing to single air chamber structure; a three-station isolating/grounding switch can only be arranged; thereby gone into outlet or the end of incoming cables does not have reliable ground protection, and operation, maintainer's safety is ensured completely, do not satisfy the actual motion requirement of China's electric power system.Research and develop a kind of have the greater security energy, again can make things convenient for inspection and maintenance, reach the high-tension switch cabinet of intelligent level, be the basis of the important electricity consumption place safety assurances such as underground railway, aviation.
Summary of the invention
The object of the invention is to overcome defects, a kind of Intelligent inflatable high-voltage vacuum switch cabinet for metros reliable, that maintenance is convenient, safe and reliable that seals is provided.
The present invention is achieved in that a kind of Intelligent inflatable high-voltage vacuum switch cabinet for metros, it comprises low-pressure chamber, upper mechanism operation chamber, lower mechanism operation chamber, lower maintenance chamber, lower pressure releasing chamber, main bus bar plenum chamber, cable installation room, vacuum circuit-breaker plenum chamber, rear pressure releasing chamber, its main feature is that the main conductive circuit of high voltage vacuum switchgear cabinet is sealed in main bus bar plenum chamber and the circuit breaker plenum chamber, be equipped with a three-station isolating/grounding switch in two plenum chambers, main bus bar plenum chamber and circuit breaker plenum chamber adopt intermediate connector to be electrically connected.
Further, the vacuum circuit-breaker plenum chamber is positioned at the upper back of switch cubicle, in the sulphur hexafluoride insulating gas is housed, the plug-in voltage transformer, three-station isolating/grounding switch, solid sealed pole of vacuum circuit breaker, intermediate connector, connect busbar, large electric current inner cone insulator, the top upside-down mounting of circuit breaker plenum chamber has the plug-in voltage transformer, the front portion three-station isolating/grounding switch that installed in the upper and lower order, solid sealed pole of vacuum circuit breaker, the middle fixed contact of three-station isolating/grounding switch links to each other with the moving conductive end of solid sealed pole of vacuum circuit breaker, the quiet conducting end of solid sealed pole of vacuum circuit breaker connects busbar by one and links to each other with the bottom intermediate connector, and the front fixed contact of three-station isolating/grounding switch major loop links to each other with large electric current inner cone insulator by connecting busbar.
Further, the main bus bar plenum chamber is positioned at the middle part of switch cubicle, in sulfur hexafluoride gas, three-phase main bus bar, branch's busbar, three-station isolating/grounding switch, intermediate connector are housed, the left and right sides, bottom of main bus bar plenum chamber is arranged in a triangle the three-phase main bus bar is installed, main busbar links to each other with the front fixed contact of three-station isolating/grounding switch by branch's busbar, the middle fixed contact of three-station isolating/grounding switch links to each other with the intermediate connector of circuit breaker plenum chamber bottom by the intermediate connector at top is installed.
Further, main connecting portion, the cable junction of main bus bar plenum chamber and vacuum circuit-breaker plenum chamber are equipped with wireless temperature measuring device, are provided with the Intellectual computer protective device in the low-pressure chamber.
Further, main bus bar plenum chamber and circuit breaker plenum chamber adopt double-deck stainless steel to be welded.
Beneficial effect of the present invention is as follows:
Because the main conductive circuit of high voltage vacuum switchgear cabinet is sealed in main bus bar plenum chamber and the circuit breaker plenum chamber, be equipped with a three-station isolating/grounding switch in two plenum chambers, two three-station isolating/grounding switch all can ground connection under maintenance or the power down mode, effective guarantee the safety of attendant when overhauling.Main bus bar plenum chamber and circuit breaker plenum chamber adopt intermediate connector to be electrically connected, when the breaker chamber appearance can not be keeped in repair than the major break down scene, main bus bar chamber three-station isolating/grounding switch can be separated, remove related fittings, the vacuum circuit-breaker plenum chamber can be extracted out, change compartment for subsequent use, restore electricity rapidly, overcome that single air chamber switch cubicle can not on-site maintenance and the long critical defect of interruption duration in the past.
Main connecting portion, the cable junction of main bus bar plenum chamber and vacuum circuit-breaker plenum chamber are equipped with wireless temperature measuring device, but the temperature rise situation at each position when moving by receiving system monitoring switch cabinet, air gauge also is the special table with high and low air pressure contact.The barometric information of switch cubicle three-station isolating/grounding switch, vacuum circuit-breaker, each charging compartment, the temperature rise situation of each main contact of major loop can be realized that all on-site supervision and teletransmission cause the upper level monitoring and controlling system in conjunction with comprehensive protector, make switch cubicle satisfy intelligentized requirement fully.
The unified compartment of arranging the front portion of charging compartment and setting up each separate unit of three-station isolating/grounding switch and breaker operation mechanism.The housing of two charging compartments is double-decker, the rear portion of circuit breaker, the bottom of main bus bar are equipped with Explosion-proof valve, thereby do not injure the adjacent switch cabinet can ensure because of the charging compartment internal fault fully the time, satisfy the requirement of IEC62271-200 Internal faults arc protection fully, the security performance of switch cubicle is further improved, the world of having filled up this type product is blank, has represented following Medium Voltage Switchgear developing direction.
The present invention adopts modularized design, vacuum pole technology, two-layer air chamber structure, but has reached maximum personal safety guarantee flexible expansion, has compact conformation, long-life, volume are little, the inflating type high-voltage modularized vacuum circuit breaker cabinet of intelligent characteristics.Can satisfy the requirement that the important electricity consumption places such as underground railway, aviation become distribution, make it the safety guarantee level that reaches higher.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is left view of the present invention.
Fig. 3 is cutaway view of the present invention.
Fig. 4 is main temperature rise of the present invention position schematic diagram.
In the accompanying drawing, 1-airtight table, 2-three-station isolating/grounding switch operating mechanism, 3-operating grip, the movable sealing of 4-rotary magnetic fluid, 5-three-station isolating/grounding switch, the movable sealing of 6-direct-acting magnet fluid, 7-solid sealed pole of vacuum circuit breaker, 8-vacuum circuit-breaker, 9-connection busbar, 10-large electric current inner cone insulator, 11-internal cone type insulator, 12-shunting busbar, 13-conducting rod, 14-intermediate connector, 15-connection busbar, 16-connection busbar, 201-low-pressure chamber, 202-upper mechanism operation chamber, 203-lower mechanism operation chamber, 204-lower maintenance chamber, 205-lower pressure releasing chamber, 206-main bus bar plenum chamber, 207-cable installation room, 208-vacuum circuit-breaker plenum chamber, 209-rear pressure releasing chamber, 210-external plug-in voltage transformer, 301-airtight table, 302-intermediate connector, 303-three-station isolating/grounding switch operating mechanism, the movable sealing of 304-rotary magnetic fluid, 305-three-station isolating/grounding switch, 306-intermediate connector, 307-main busbar, 308-branch busbar, 401-cable end, 402-plug-pull arrester, 501-voltage transformer and inner cone insulator and busbar junction, fixed contact and vacuum circuit-breaker moving conductive end junction in the middle of 502-three-station isolating/grounding switch, 503-three-station isolating/grounding switch front end fixed contact be connected the fixedly busbar junction of holding concurrently, the quiet conducting end of 504-vacuum circuit-breaker connects busbar and intermediate connector junction, 505-shunting busbar and large electric current inner cone insulator junction, 601-plug-in cable joint and large electric current inner cone insulator junction, 602-plug-pull arrester and inner cone insulator junction, fixed contact and intermediate connector junction in the middle of the three-station isolating/grounding switch of 603-main bus bar chamber, 604-three-station isolating/grounding switch and branch bar junction, 605-main bus bar and branch bar junction.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention relates to a kind of novel subway Intelligent type inflatable (C-GIS) high voltage vacuum switchgear cabinet, it includes the ten large functional modules such as low-pressure chamber 201, upper mechanism operation chamber 202, lower mechanism operation chamber 203, lower maintenance chamber 204, lower pressure releasing chamber 205, main bus bar plenum chamber 206, cable installation room 207, vacuum circuit-breaker plenum chamber 208, rear pressure releasing chamber 209, external plug-in voltage transformer 210.Its main feature is that the main conductive circuit of switch cubicle is divided into two charging compartments 206,208.Main bus bar plenum chamber 206 is positioned at the middle part of switch cubicle, vacuum circuit-breaker plenum chamber 208 is positioned at the upper back of switch cubicle, be equipped with a three-station isolating/grounding switch 5,305 in two compartments, two switches all can ground connection under maintenance or the power down mode, effective guarantee the safety of attendant when overhauling.Main bus bar plenum chamber 206 adopts intermediate connector 13,14,302 to be electrically connected with vacuum circuit-breaker plenum chamber 208.When 208 appearance of vacuum circuit breaker plenum chamber can not be keeped in repair than the major break down scene, can separate the three-station isolating/grounding switch 305 in the main bus bar plenum chamber 206, remove related fittings, can extract vacuum circuit-breaker plenum chamber 208 out, change compartment for subsequent use, restore electricity rapidly, overcome that single air chamber switch cubicle can not on-site maintenance and the long critical defect of interruption duration in the past.Switch cabinet body has all been adopted except front and back panel and has been covered aluminium zinc steel plate and assemble after the multiple bending of CNC machine tooling, compartment 205,207 adopts aluminium alloy extrusions to assemble, and main circuit compartment 206,208 adopts double-deck stainless steel to be welded through the full-automatic mechanical hand.Guarantee consistency, rigidity and the machining accuracy of cabinet, be convenient in batches production simultaneously.
Referring to Fig. 1, Fig. 3; The secondary component of control protection usefulness can be installed in the low-pressure chamber 201.Operating mechanism 2, operating grip 3 and the vacuum circuit-breaker 8 of three-station isolating/grounding switch 5 are installed in the upper mechanism operation chamber 202, airtight table 1 is installed simultaneously.Three-station isolating/grounding switch operating mechanism 2 links to each other with three-station isolating/grounding switch 5 conduction parts in the air chamber by the movable sealing 4 of rotary magnetic fluid.Vacuum circuit breaker links to each other with the solid pole of vacuum in the air chamber by the movable sealing 6 of direct-acting magnet fluid through the device operating mechanism.Be filled with hypobaric SF6 insulating gas in the vacuum circuit-breaker charging compartment 208, there are connection plug-in voltage transformer 210, plug-pull arrester and the internal cone type insulator 11 of using as outside electrical verification in its top, also use as the support of bus simultaneously with the rear portion upside-down mounting.Front portion installed in the upper and lower order three-station isolating/grounding switch 5 and solid sealed pole of vacuum circuit breaker 7, the middle fixed contact of three-station isolating/grounding switch 5 links to each other with the moving conductive end of solid sealed pole of vacuum circuit breaker 7, the quiet conducting end of solid sealed pole of vacuum circuit breaker 7 connects busbar 9 and links to each other with bottom intermediate connector 14 by one, the front fixed contact of three-station isolating/grounding switch 5 is connected busbar 15 by connection busbar 16 and links to each other with another, connect busbar 15 and link to each other with large electric current inner cone insulator 10 by shunting busbar 12, form the complete major loop of vacuum circuit breaker charging compartment.
Referring to Fig. 1, Fig. 3: the operating mechanism 303 that three-station isolating/grounding switch is installed in the lower mechanism operation chamber 203, the airtight table 301 of main bus bar charging compartment 206 is installed equally, and three-station isolating/grounding switch operating mechanism 303 links to each other with three-station isolating/grounding switch 305 in the air chamber by the movable sealing 304 of rotary magnetic fluid.The left and right sides, bottom of main bus bar charging compartment is arranged in a triangle three-phase main bus bar intermediate connector 306 is installed, intermediate connector 306 can carry out cabinet and be connected with bus between cabinet, be connected with three-phase master busbar 307 in the intermediate connector of the left and right sides, main busbar 307 links to each other with the front fixed contact of three-station isolating/grounding switch 305 by branch's busbar 308, the middle fixed contact of three-station isolating/grounding switch 305 links to each other with intermediate connector 302 again, thereby goes into a complete major loop.
Referring to Fig. 3: main bus bar plenum chamber 206 docks by intermediate connector 302 and intermediate connector 14 with the electrical connection of vacuum circuit-breaker plenum chamber 208, middlely conducts electricity connection by the conducting rod 13 with the watchband type spring touch finger.And carry out insulation processing by a silicone rubber sleeve.
Referring to Fig. 3: cable installation room 207 interior every phases can be installed the cable end 401 of two 1250A, need to install in the situation of a cable such as less of electric current, three-phase plug-pull arrester 402 can be installed simultaneously, and cable end and lightning arrester all are that the inner cone insulator 10 by plug-in and vacuum circuit-breaker charging compartment 208 is electrically connected.
Referring to Fig. 4: subway is all monitored the temperature rise situation at each position by radio detection with the main current-carrying part of Intelligent type inflatable (C-GIS) high voltage vacuum switchgear cabinet; can predict in advance with the pilot switch cabinet and whether be in normal operating condition; the generation of minimizing accident; support the use with the Intellectual computer protective device and can make switch cubicle satisfy intelligentized requirement fully, the security performance of switchgear is further enhanced.But monitoring site voltage transformer and inner cone insulator and busbar junction 501, fixed contact and vacuum circuit-breaker moving conductive end junction 502 in the middle of the three-station isolating/grounding switch, three-station isolating/grounding switch front end fixed contact be connected the fixedly busbar junction 503 of holding concurrently, the quiet conducting end of vacuum circuit-breaker connects busbar and intermediate connector junction 504, shunting busbar and large electric current inner cone insulator junction 505, plug-in cable joint and large electric current inner cone insulator junction 601, plug-pull arrester and inner cone insulator junction 602, fixed contact and intermediate connector junction 603 in the middle of the three-station isolating/grounding switch of main bus bar chamber, three-station isolating/grounding switch and branch bar junction 604, main bus bar and branch bar junction 605.
It is pointed out that to the invention is not restricted to above-mentioned execution mode, any simple modification, equivalent variations and modification that any those skilled in the art do above-described embodiment in based on technical solution of the present invention all belong in protection scope of the present invention.
Claims (5)
1. Intelligent inflatable high-voltage vacuum switch cabinet for metros, it comprises low-pressure chamber, upper mechanism operation chamber, lower mechanism operation chamber, lower maintenance chamber, lower pressure releasing chamber, main bus bar plenum chamber, cable installation room, vacuum circuit-breaker plenum chamber, rear pressure releasing chamber, it is characterized in that: the main conductive circuit of high voltage vacuum switchgear cabinet is sealed in main bus bar plenum chamber and the circuit breaker plenum chamber, be equipped with a three-station isolating/grounding switch in two plenum chambers, main bus bar plenum chamber and circuit breaker plenum chamber adopt intermediate connector to be electrically connected.
2. a kind of Intelligent inflatable high-voltage vacuum switch cabinet for metros as claimed in claim 1, it is characterized in that: described vacuum circuit-breaker plenum chamber is positioned at the upper back of switch cubicle, in the sulphur hexafluoride insulating gas is housed, the plug-in voltage transformer, three-station isolating/grounding switch, solid sealed pole of vacuum circuit breaker, intermediate connector, connect busbar, large electric current inner cone insulator, the top upside-down mounting of circuit breaker plenum chamber has the plug-in voltage transformer, the front portion three-station isolating/grounding switch that installed in the upper and lower order, solid sealed pole of vacuum circuit breaker, the middle fixed contact of three-station isolating/grounding switch links to each other with the moving conductive end of solid sealed pole of vacuum circuit breaker, the quiet conducting end of solid sealed pole of vacuum circuit breaker connects busbar by one and links to each other with the bottom intermediate connector, and the front fixed contact of three-station isolating/grounding switch major loop links to each other with large electric current inner cone insulator by connecting busbar.
3. a kind of Intelligent inflatable high-voltage vacuum switch cabinet for metros as claimed in claim 1, it is characterized in that: described main bus bar plenum chamber is positioned at the middle part of switch cubicle, in sulfur hexafluoride gas is housed, the three-phase main bus bar, branch's busbar, three-station isolating/grounding switch, intermediate connector, the left and right sides, bottom of main bus bar plenum chamber is arranged in a triangle the three-phase main bus bar is installed, main busbar links to each other with the front fixed contact of three-station isolating/grounding switch by branch's busbar, the middle fixed contact of three-station isolating/grounding switch links to each other with the intermediate connector of circuit breaker plenum chamber bottom by the intermediate connector at top is installed.
4. a kind of Intelligent inflatable high-voltage vacuum switch cabinet for metros as claimed in claim 1; it is characterized in that: main connecting portion, the cable junction of described main bus bar plenum chamber and vacuum circuit-breaker plenum chamber are equipped with wireless temperature measuring device, are provided with the Intellectual computer protective device in the described low-pressure chamber.
5. a kind of Intelligent inflatable high-voltage vacuum switch cabinet for metros as claimed in claim 1 is characterized in that: described main bus bar plenum chamber and circuit breaker plenum chamber adopt double-deck stainless steel to be welded.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110219160.1A CN102916362B (en) | 2011-08-02 | 2011-08-02 | A kind of Intelligent inflatable high-voltage vacuum switch cabinet for metros |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110219160.1A CN102916362B (en) | 2011-08-02 | 2011-08-02 | A kind of Intelligent inflatable high-voltage vacuum switch cabinet for metros |
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| Publication Number | Publication Date |
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| CN102916362A true CN102916362A (en) | 2013-02-06 |
| CN102916362B CN102916362B (en) | 2016-03-02 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377585A (en) * | 2014-11-28 | 2015-02-25 | 湖南长高高压开关集团股份公司 | Modular intelligent box type fixed inflatable high-voltage AC metal enclosure switching equipment |
| CN104485601A (en) * | 2014-12-09 | 2015-04-01 | 许继集团有限公司 | Gas-insulated metal-enclosed high-voltage switchgear for motor train unit |
| CN104882851A (en) * | 2015-06-16 | 2015-09-02 | 国家电网公司 | Temperature-rise electric contact protection device for power high-voltage switch cabinet fault, and control method |
| CN107492828A (en) * | 2016-06-12 | 2017-12-19 | 江苏大全长江电器股份有限公司 | A kind of pull-out type gas-insulated switchgear |
| CN108710008A (en) * | 2018-08-31 | 2018-10-26 | 陕西宝光真空电器股份有限公司 | A kind of pole independence temperature rise test auxiliary mould |
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| CN111162464A (en) * | 2020-01-03 | 2020-05-15 | 北京中车赛德铁道电气科技有限公司 | 3kV direct-current high-voltage box of electric locomotive |
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| CN113985271A (en) * | 2021-11-04 | 2022-01-28 | 中铁武汉电气化局集团有限公司 | Subway GIS high-voltage switch cabinet system detection device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104485601B (en) * | 2014-12-09 | 2017-11-28 | 许继集团有限公司 | The gas-insulated metal-enclosed high-tension switch gear of EMUs |
| CN104882851A (en) * | 2015-06-16 | 2015-09-02 | 国家电网公司 | Temperature-rise electric contact protection device for power high-voltage switch cabinet fault, and control method |
| CN107492828A (en) * | 2016-06-12 | 2017-12-19 | 江苏大全长江电器股份有限公司 | A kind of pull-out type gas-insulated switchgear |
| CN108710008A (en) * | 2018-08-31 | 2018-10-26 | 陕西宝光真空电器股份有限公司 | A kind of pole independence temperature rise test auxiliary mould |
| EP3671987A1 (en) * | 2018-12-19 | 2020-06-24 | ABB Schweiz AG | Withdrawable switchgear with motorized feeder module |
| CN109659843A (en) * | 2018-12-28 | 2019-04-19 | 中国电力科学研究院有限公司 | A kind of sealing switch equipment |
| CN109742651A (en) * | 2018-12-28 | 2019-05-10 | 中国电力科学研究院有限公司 | A kind of sealing switch equipment circuit |
| CN111162464A (en) * | 2020-01-03 | 2020-05-15 | 北京中车赛德铁道电气科技有限公司 | 3kV direct-current high-voltage box of electric locomotive |
| CN111185750A (en) * | 2020-01-10 | 2020-05-22 | 江苏森蓝智能系统有限公司 | Robot-assisted cabinet splicing mode |
| CN113985271A (en) * | 2021-11-04 | 2022-01-28 | 中铁武汉电气化局集团有限公司 | Subway GIS high-voltage switch cabinet system detection device and method |
| CN113985271B (en) * | 2021-11-04 | 2024-06-11 | 中铁武汉电气化局集团有限公司 | Subway GIS high-voltage switch cabinet system detection device and method |
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| CN102916362B (en) | 2016-03-02 |
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Denomination of invention: Intelligent inflatable high-pressure vacuum switch cabinet for metro Effective date of registration: 20170222 Granted publication date: 20160302 Pledgee: Bank of Changsha Limited by Share Ltd Liuyang branch Pledgor: Hu'nan Fengri Power and Electric Co., Ltd. Registration number: 2017430000008 |
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Denomination of invention: An intelligent inflatable high voltage vacuum switch cabinet for Metro Effective date of registration: 20201222 Granted publication date: 20160302 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: HUNAN FENGRI ELECTRIC GROUP Co.,Ltd. Registration number: Y2020430000042 |