CN101847839A - 24kV solid insulated fully-closed switch equipment - Google Patents
24kV solid insulated fully-closed switch equipment Download PDFInfo
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- CN101847839A CN101847839A CN 201010205862 CN201010205862A CN101847839A CN 101847839 A CN101847839 A CN 101847839A CN 201010205862 CN201010205862 CN 201010205862 CN 201010205862 A CN201010205862 A CN 201010205862A CN 101847839 A CN101847839 A CN 101847839A
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- ground connection
- switch
- tube
- power transmission
- isolation
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- 239000007787 solid Substances 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 51
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 37
- 229910052802 copper Inorganic materials 0.000 claims description 37
- 239000010949 copper Substances 0.000 claims description 37
- 230000007246 mechanism Effects 0.000 claims description 37
- 238000002955 isolation Methods 0.000 claims description 33
- 238000009413 insulation Methods 0.000 claims description 21
- 230000002146 bilateral effect Effects 0.000 claims description 10
- 230000007306 turnover Effects 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses 24kV solid insulated fully-closed switch equipment, which is applied to an alternating current trunk line or an alternating current distribution network and comprises a three phases of high-voltage load switch units; each phase of high-voltage load switch unit comprises a switch insulated hood fixed in a box body, a driving hood, an isolating switch, an earthed switch and a vacuum switch; the upper part of the three phases of switch insulating hoods are connected with the driving hood which is formed by connecting an upper half cylinder and a lower half cylinder; and the isolating switch, the earthed switch and the vacuum switch are arranged in the switch insulating hood and the driving hood. The invention has the advantages of compact structure, low cost, safe use and easy maintenance and debugging.
Description
Technical field
The present invention relates to the circuit arrangement of a kind of ac mains or ac distribution network, particularly a kind of 24KV solid insulated fully-closed switch equipment.
Background technology
Tradition 24KV switchgear adopts SF6 gas that high-pressure vacuum switch is sealed insulation more; Because SF6 gas is carrying out having toxicity behind the arc extinguishing, and easily leaks, metal device casing is long-pending big, to the sealing requirements height, the processing technology complexity causes casing cost height, safeguards and detects complexity, degree of protection is also not enough, and electrified body is exposed, is subjected to the erosion of air, dust, easily causes the corrosion of electrified body, reduce the grade of insulation, very easily caused human casualty accident; Monolithic construction, volume is bigger, and the Installation and Debugging inconvenience can not be carried out repair and replacement in the scene; Bus is positioned at the switch bottom, and the assembling maintenance is inconvenient.
Existing solid fully-closed switch insulation only is applicable to the switchgear of 10KV, is unsuitable for the switchgear of bigger work electric weight, and the switchgear that therefore needs a kind of like this combined electrical apparatus to satisfy big workload uses.
Summary of the invention
The object of the present invention is to provide a kind of 24KV solid insulated fully-closed switch equipment, its compact conformation cost is low, safe in utilization, the easy care debugging.
To achieve these goals, technical solution of the present invention is: a kind of 24KV solid insulated fully-closed switch equipment, comprise the three-phase high-voltage load switching unit, wherein said each phase high voltage load switch unit comprises the switch insulation cover that is fixed in the casing, a transmission shield, isolating switch, earthed switch and vacuum switch, be connected with transmission shield above the described threephase switch insulating cover, described switch insulation cover is by last, second tube connects to form, described second right side is provided with bus bilateral sleeve pipe, describedly be provided with the vacuum bubbles cover that communicates with bus bilateral sleeve pipe in second, be provided with T type contact above the described vacuum bubbles cover left side wall, described second bottom surface is provided with the turnover thread casing, described second tube inner chamber is provided with copper bar copper cylinder, the copper styletable of described copper bar copper cylinder embeds in the turnover thread casing, described copper bar end embeds in second tube, be respectively equipped with ground connection copper bar contact on the left side wall in described second tube and be connected contact with blade, described ground connection copper bar contact is connected with copper bar, described isolating switch comprises the isolation pull bar, isolate connecting lever, isolate rotating shaft, isolate power transmission shaft, first gear mechanism and isolation blade, the two ends, the left and right sides of described isolation blade are connected contact respectively with blade and T type contact connects, the lower end of described isolation pull bar is top hinged with the isolation blade, the upper end of described isolation pull bar is hinged with an end of isolating connecting lever, the other end of described isolation connecting lever is hinged with the isolation rotating shaft, described transmission shield inner chamber bottom surface is provided with first, two supporting bases, described isolation rotating shaft is located on first supporting base, an end that connects first gear mechanism in the described isolation rotating shaft, the described first gear mechanism other end connects isolates power transmission shaft, described isolation cardan-shaft suspension is on transmission shield, described earthed switch comprises the ground connection pull bar, the ground connection connecting lever, the ground connection rotating shaft, the ground connection power transmission shaft, second gear mechanism and ground connection blade, described ground connection blade left end is connected with the copper bar that switch insulation cover inner chamber embeds, the ground connection copper bar that described ground connection blade right-hand member and transmission shield inner chamber embed is hinged, described ground connection blade upper end is hinged with the lower end of ground connection pull bar, described ground connection pull bar upper end is hinged with an end of ground connection connecting lever, the described ground connection connecting lever other end and ground connection rotating shaft are hinged, described ground connection rotating shaft is arranged on second supporting base, described ground connection rotating shaft is connected with second gear mechanism, the described second gear mechanism other end is connected with the ground connection power transmission shaft, described vacuum switch comprises insulated tension pole, power transmission shaft, connecting lever and vacuum bubbles, on the described insulated tension pole, the lower end is connected with the end of connecting lever with a vacuum bubbles upper end and a soft copper band respectively, the described connecting lever other end is connected with gear mechanism, the gear mechanism other end connects power transmission shaft, described vacuum bubbles lower end is connected by bolt with the copper joint pin, described vacuum bubbles is positioned in the vacuum bubbles cover, on the described vacuum bubbles inside, the lower end is equipped with moving contact and fixed contact respectively, described isolation power transmission shaft, ground connection power transmission shaft and power transmission shaft all are connected with operating mechanism.
24KV solid insulated fully-closed switch equipment of the present invention, wherein said three-phase high-voltage load switching unit is placed in parallel in the housing, and the bus bilateral sleeve pipe of three-phase high-voltage load switching unit be arranged at respectively each switch insulation cover second following, in, top.
24KV solid insulated fully-closed switch equipment of the present invention, wherein said vacuum bubbles cover inwall is provided with screen.
24KV solid insulated fully-closed switch equipment of the present invention, wherein said first tube is made for transparent material, and second tube is made for epoxide resin material.
24KV solid insulated fully-closed switch equipment of the present invention, wherein said first bottom surface and second end face are the inclined-plane, described first tube is plugged on second tube, and described first bottom surface is provided with groove, and described second top is provided with the fin with described groove fit.
24KV solid insulated fully-closed switch equipment of the present invention, wherein said turnover thread casing are connected by the straight tube on the flaring pipe on the left side and the right and form.
24KV solid insulated fully-closed switch equipment of the present invention links together below by bolt with transmission shield above the wherein said switch insulation cover.
After adopting such scheme, 24KV solid insulated fully-closed switch equipment of the present invention is formed one the tunnel with the three-phase high-voltage vacuum switch unit and is positioned in the casing, the separating brake of realizing electrical equipment and combined floodgate by operating mechanism control isolating switch, earthed switch and vacuum switch, every phase high-pressure vacuum switch unit is positioned in the switch insulation cover, the compact conformation cost is low and safe in utilization, bus bilateral sleeve pipe on each phase insulating cover be located at each switch insulation cover second following, in, top, be beneficial to bus debugging maintenance and installation like this.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention are described further.
Fig. 1 is that the master of 24KV solid insulated fully-closed switch equipment of the present invention looks cut-away view;
Fig. 2 is the right TV structure schematic diagram of 24KV solid insulated fully-closed switch equipment of the present invention;
Fig. 3 is that the A-A of Fig. 2 is to cross-sectional schematic;
Fig. 4 is bowing to schematic diagram of 24KV solid insulated fully-closed switch equipment of the present invention;
Fig. 5 is the schematic appearance (not containing casing) of 24KV solid insulated fully-closed switch equipment of the present invention.
Embodiment
Extremely shown in Figure 5 as Fig. 1,24KV solid insulated fully-closed switch equipment of the present invention, comprise the three-phase high-voltage load switching unit 1 that is fixed in the casing, three-phase high-voltage load switching unit 1 is placed in parallel in the housing, each phase high voltage load switch unit 1 comprises the switch insulation cover 11 that is fixed in the casing, a transmission shield 12, isolating switch 13, earthed switch 14 and vacuum switch 15, link together by bolt with transmission shield 12 above the threephase switch insulating cover 11, switch insulation cover 11 is by first tube 111, second tube 112 is pegged graft and is formed, first tube 111 bottom surfaces and second tube 112 end faces are the inclined-plane, first tube 111 bottom surfaces are provided with groove 1111, and second 112 top is provided with the fin 1128 that cooperates with groove 1111.First tube 111 is made for transparent material, and second tube 112 is made for epoxide resin material.Second the tube 112 right sides be provided with bus bilateral sleeve pipe 1121, the bus bilateral sleeve pipe 1121 of three-phase high-voltage load switching unit 1 be arranged at respectively each switch insulation cover second 112 following, in, the top (see figure 5).Second is provided with the vacuum bubbles cover 1122 that communicates with bus bilateral sleeve pipe 1121 in 112, and vacuum bubbles is overlapped 1122 inwalls and is provided with screen 11221.Vacuum bubbles is overlapped and is provided with T type contact 1123 above 1122 left side walls, and second tube 112 bottom surfaces are provided with turnover thread casing 1124, and turnover thread casing 1124 is connected by the straight tube on the flaring pipe on the left side and the right and forms.Second tube 112 inner chambers are provided with copper bar copper cylinder 1125, copper post 11251 ends of copper bar copper cylinder 1125 embed in the turnover thread casing 1124, copper bar 11252 ends embed in second tube 112, be respectively equipped with ground connection copper bar contact 1126 on the left side wall in second tube 112 and be connected contact 1127 with blade, ground connection copper bar contact 1126 is connected with copper bar 11252.
Isolating switch 13 comprises isolates pull bar 131, isolate connecting lever 132, isolate rotating shaft 133, isolate power transmission shaft 134, first gear mechanism 135 and isolation blade 136, the two ends, the left and right sides that isolate blade 136 are connected contact 1127 and 1123 connections of T type contact respectively with blade, isolate the lower end of pull bar 131 and isolate the top hinged of blade 136, the upper end that isolates pull bar 131 is hinged with an end of isolating connecting lever 132, the other end of isolating connecting lever 132 is hinged with isolation rotating shaft 133, transmission shield 12 inner chamber bottom surfaces are provided with first supporting base 121, second supporting base 122, isolating rotating shaft 133 is located on first supporting base 121, isolate an end that connects first gear mechanism 135 in the rotating shaft 133, first gear mechanism, 135 other ends connect isolates power transmission shaft 134, isolates power transmission shaft 134 and is bearing on the transmission shield 12.
The separating brake process: when the moving contact 1541 of vacuum switch 15 disconnected with fixed contact 1542, vacuum switch 15 disconnected.Operating mechanism 4 controls are isolated power transmission shaft 134 and are rotated counterclockwise, drive isolation rotating shaft 133 and isolate connecting lever 132 rotations by first gear mechanism 135, isolate connecting lever 132 and drive 131 motions of isolation pull bar, isolate pull bar 131 drive isolation blades 136 and move downward, isolation blade 136 is separated with T shape contact 1123; Operating mechanism 4 control ground connection power transmission shafts 144 rotate counterclockwise, drive ground connection rotating shaft 143 and 142 rotations of ground connection connecting lever by second gear mechanism 145, ground connection connecting lever 142 drives 141 motions of ground connection pull bar, ground connection pull bar 141 drives ground connection blade 146 and moves downward, ground connection blade 146 is connected with grounding contact 1126, finished whole switch the separating brake process.
Making process: operating mechanism 4 control ground connection power transmission shafts 144 clockwise rotate, drive ground connection rotating shaft 143 and 142 rotations of ground connection connecting lever by second gear mechanism 145, ground connection connecting lever 142 drives 141 motions of ground connection pull bar, ground connection pull bar 141 drives ground connection blade 146 and moves upward, ground connection blade 146 is separated with grounding contact 1126, operating mechanism 4 controls are isolated power transmission shaft 134 and are rotated counterclockwise, drive isolation rotating shaft 133 and isolate connecting lever 132 rotations by first gear mechanism 135, isolate connecting lever 132 and drive 131 motions of isolation pull bar, isolate pull bar 131 drive isolation blades 136 and move upward, isolation blade 136 is connected with T shape contact 1123; The operating mechanism 4 of operation vacuum switch 15 makes the moving contact 1541 when the vacuum switch contact with fixed contact 1542, thereby finishes the making process of whole switch.
24KV solid insulated fully-closed switch equipment Installation and Debugging of the present invention are convenient, can carry out the scene transposing; Bus is positioned at the switch front side, and is easy for installation, install effective, the reliability height; Isolating switch, earthed switch adopt the Direct Action Type kind of drive, and transmission stability, reliability improve greatly, have strengthened sealing effectiveness simultaneously; Owing to adopted totally-enclosed solid encapsulation high-pressure vacuum switch, can not produce creepage phenomenon, thereby improved the grade of insulation, on fail safe and energy savings performance, significant effect is arranged, owing to completely cut off air, aqueous vapor, dust and cold and hot source of the gas, the corrosion that has slowed down power source body effectively, stablized the output of supply voltage, the maintenance times of minimizing equipment reduces expense cost, has prolonged the useful life of combined electrical apparatus; Accomplish visual, have the sense of security, obtain very high economic benefit; The present invention need not consider the failure of insulation problem that causes because of gas leakage, the design concept of high reliability, and the raising in life-span makes switch non-maintaining in the useful life in 20 years; Structural design uniqueness of the present invention goes out or last-in, last-out before realizing advancing.
More than describing is explanation of the invention, is not that institute of the present invention restricted portion is referring to claim to the qualification of invention, and under the situation of spirit of the present invention, the present invention can do any type of modification.
Claims (7)
1. 24KV solid insulated fully-closed switch equipment, comprise three-phase high-voltage load switching unit (1), it is characterized in that: described each phase high voltage load switch unit (1) comprises the switch insulation cover (11) that is fixed in the casing, a transmission shield (12), isolating switch (13), earthed switch (14) and vacuum switch (15), be connected with transmission shield (12) above the described threephase switch insulating cover (11), described switch insulation cover (11) is by last, second tube (111,112) connect to form, described second tube (112) right side is provided with bus bilateral sleeve pipe (1121), be provided with the vacuum bubbles cover (1122) that communicates with bus bilateral sleeve pipe (1121) in described second tube (112), described vacuum bubbles cover (1122) is provided with T type contact (1123) above the left side wall, described second tube (112) bottom surface is provided with turnover thread casing (1124), described second tube (112) inner chamber is provided with copper bar copper cylinder (1125), copper post (11251) end of described copper bar copper cylinder (1125) embeds in the turnover thread casing (1124), described copper bar (11252) end embeds in second tube (112), be respectively equipped with grounding contact (1126) on described second tube (112) interior left side wall and be connected contact (1127) with blade, described grounding contact (1126) is connected with copper bar (11252), described isolating switch (13) comprises isolates pull bar (131), isolate connecting lever (132), isolate rotating shaft (133), isolate power transmission shaft (134), first gear mechanism (135) and isolation blade (136), the two ends, the left and right sides of described isolation blade (136) are connected contact (1127) respectively with blade and T type contact (1123) connects, the lower end of described isolation pull bar (131) is top hinged with isolation blade (136), the upper end of described isolation pull bar (131) is hinged with an end of isolating connecting lever (132), the other end of described isolation connecting lever (132) is hinged with isolation rotating shaft (133), described transmission shield (12) inner chamber bottom surface is provided with first, two supporting bases (121,122), described isolation rotating shaft (133) is located on first supporting base (121), an end that connects first gear mechanism (135) is gone up in described isolation rotating shaft (133), described first gear mechanism (135) other end connects isolates power transmission shaft (134), described isolation power transmission shaft (134) is bearing on the transmission shield (12), described earthed switch (14) comprises ground connection pull bar (141), ground connection connecting lever (142), ground connection rotating shaft (143), ground connection power transmission shaft (144), second gear mechanism (145) and ground connection blade (146), described ground connection blade (146) left end is connected with the copper bar (11252) that switch insulation cover (11) inner chamber embeds, the ground connection copper bar (123) that described ground connection blade (146) right-hand member and transmission shield (12) inner chamber embed is hinged, described ground connection blade (146) upper end is hinged with the lower end of ground connection pull bar (141), described ground connection pull bar (141) upper end is hinged with an end of ground connection connecting lever (142), described ground connection connecting lever (142) other end and ground connection rotating shaft (143) are hinged, described ground connection rotating shaft (143) is arranged on second supporting base (122), described ground connection rotating shaft (143) is connected with second gear mechanism (145), described second gear mechanism (145) other end is connected with ground connection power transmission shaft (144), described vacuum switch (15) comprises insulated tension pole (151), power transmission shaft (152), connecting lever (153) and vacuum bubbles (154), on the described insulated tension pole (151), the lower end is connected with the end of connecting lever (153) with vacuum bubbles (a 154) upper end and a soft copper band (2) respectively, described connecting lever (153) other end is connected with gear mechanism, the gear mechanism other end connects power transmission shaft (152), described vacuum bubbles (154) lower end is connected by bolt with copper joint pin (3), described vacuum bubbles (154) is positioned in the vacuum bubbles cover (1122), on described vacuum bubbles (154) inside, the lower end is equipped with moving contact (1541) and fixed contact (1542), described isolation power transmission shaft (134) respectively, ground connection power transmission shaft (144) and power transmission shaft (152) all are connected with operating mechanism (4).
2. 24KV solid insulated fully-closed switch equipment as claimed in claim 1, it is characterized in that: described three-phase high-voltage load switching unit (1) is placed in parallel in the housing, and the bus bilateral sleeve pipe (1121) of three-phase high-voltage load switching unit (1) be arranged at respectively each switch insulation cover second (112) following, in, top.
3. 24KV solid insulated fully-closed switch equipment as claimed in claim 2 is characterized in that: described vacuum bubbles cover (1122) inwall is provided with screen (11221).
4. 24KV solid insulated fully-closed switch equipment as claimed in claim 3 is characterized in that: described first tube (111) is made for transparent material, and second tube (112) is made for epoxide resin material.
5. 24KV solid insulated fully-closed switch equipment as claimed in claim 4, it is characterized in that: described first tube (111) bottom surface and second tube (112) end face are the inclined-plane, described first tube (111) is plugged on second tube (112), described first tube (111) bottom surface is provided with groove (1111), and described second tube (112) top is provided with the fin (1128) that cooperates with described groove (1111).
6. 24KV solid insulated fully-closed switch equipment as claimed in claim 5 is characterized in that: described turnover thread casing (1124) is connected by the straight tube on the flaring pipe on the left side and the right and forms.
7. 24KV solid insulated fully-closed switch equipment as claimed in claim 6 is characterized in that: link together below by bolt with transmission shield (12) above the described switch insulation cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010205862XA CN101847839B (en) | 2010-06-22 | 2010-06-22 | 24kV solid insulated fully-closed switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010205862XA CN101847839B (en) | 2010-06-22 | 2010-06-22 | 24kV solid insulated fully-closed switch equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101847839A true CN101847839A (en) | 2010-09-29 |
| CN101847839B CN101847839B (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010205862XA Active CN101847839B (en) | 2010-06-22 | 2010-06-22 | 24kV solid insulated fully-closed switch equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290731A (en) * | 2011-04-25 | 2011-12-21 | 张增起 | Three-phase common-proper compact type solid insulation high voltage alternating current vacuum switching cabinet |
| CN102290730A (en) * | 2011-04-25 | 2011-12-21 | 张增起 | Solid insulation sealed component for high-voltage alternating-current vacuum switch cabinet |
| CN102420399A (en) * | 2011-08-19 | 2012-04-18 | 北京清畅电力技术股份有限公司 | Isolated insulation cover and isolating switch device |
| CN106783365A (en) * | 2016-12-22 | 2017-05-31 | 北京双杰电气股份有限公司 | A kind of Threephase common-box high-voltage switch gear |
| WO2017197577A1 (en) * | 2016-05-17 | 2017-11-23 | Abb 瑞士股份有限公司 | Air insulated vacuum load switch device |
| CN107946053A (en) * | 2017-12-11 | 2018-04-20 | 山东电工电气集团智能电气有限公司 | A kind of dry type loaded capacity regulating voltage regulating sub-connecting switch of transformer |
| CN116206914A (en) * | 2023-03-30 | 2023-06-02 | 北京双杰电气股份有限公司 | Co-box type solid insulation full-sealed isolating switch device |
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| CN201051616Y (en) * | 2007-07-05 | 2008-04-23 | 北京双杰配电自动化设备有限公司 | Solid insulation full enclosed loop cabinet |
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| EP0924827A1 (en) * | 1997-12-19 | 1999-06-23 | Schneider Electric Sa | Gas-insulated, medium voltage switchgear cell with increased dielectric strength |
| CN1595746A (en) * | 2004-06-25 | 2005-03-16 | 宁波天安（集团）股份有限公司 | Gas-filled type ring net switch equipment |
| DE102006001237A1 (en) * | 2006-01-05 | 2007-07-12 | Siemens Ag | Three-phase insulated high voltage switch gear, has supporting unit with insulating connector provided between circuit breaker and bus bar region, where connector is formed such that circuit breaker is stabilized in its position |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290731A (en) * | 2011-04-25 | 2011-12-21 | 张增起 | Three-phase common-proper compact type solid insulation high voltage alternating current vacuum switching cabinet |
| CN102290730A (en) * | 2011-04-25 | 2011-12-21 | 张增起 | Solid insulation sealed component for high-voltage alternating-current vacuum switch cabinet |
| CN102290731B (en) * | 2011-04-25 | 2013-10-30 | 张增起 | Three-phase common-proper compact type solid insulation high voltage alternating current vacuum switching cabinet |
| CN102290730B (en) * | 2011-04-25 | 2013-10-30 | 张增起 | Solid insulation sealed component for high-voltage alternating-current vacuum switch cabinet |
| CN102420399A (en) * | 2011-08-19 | 2012-04-18 | 北京清畅电力技术股份有限公司 | Isolated insulation cover and isolating switch device |
| CN102420399B (en) * | 2011-08-19 | 2014-09-03 | 北京清畅电力技术股份有限公司 | Isolated insulation cover and isolating switch device |
| CN108604512A (en) * | 2016-05-17 | 2018-09-28 | Abb瑞士股份有限公司 | Gas insulated vacuum load switch equipment |
| WO2017197577A1 (en) * | 2016-05-17 | 2017-11-23 | Abb 瑞士股份有限公司 | Air insulated vacuum load switch device |
| RU2696253C1 (en) * | 2016-05-17 | 2019-08-01 | Абб Швайц Аг | Vacuum load-break switch with gas insulation |
| CN108604512B (en) * | 2016-05-17 | 2019-10-15 | Abb瑞士股份有限公司 | Gas-insulated vacuum load switchgear |
| US10600594B2 (en) | 2016-05-17 | 2020-03-24 | Abb Schweiz Ag | Gas-insulated vacuum load break switch |
| CN106783365A (en) * | 2016-12-22 | 2017-05-31 | 北京双杰电气股份有限公司 | A kind of Threephase common-box high-voltage switch gear |
| CN107946053A (en) * | 2017-12-11 | 2018-04-20 | 山东电工电气集团智能电气有限公司 | A kind of dry type loaded capacity regulating voltage regulating sub-connecting switch of transformer |
| CN107946053B (en) * | 2017-12-11 | 2023-12-15 | 山东电工电气集团智能电气有限公司 | A dry-type on-load capacity-adjusting voltage-regulating transformer tap-changer |
| CN116206914A (en) * | 2023-03-30 | 2023-06-02 | 北京双杰电气股份有限公司 | Co-box type solid insulation full-sealed isolating switch device |
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| Publication number | Publication date |
|---|---|
| CN101847839B (en) | 2011-10-12 |
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