CN103703639B - Gas-insulated switchgear device - Google Patents
Gas-insulated switchgear device Download PDFInfo
- Publication number
- CN103703639B CN103703639B CN201280036591.7A CN201280036591A CN103703639B CN 103703639 B CN103703639 B CN 103703639B CN 201280036591 A CN201280036591 A CN 201280036591A CN 103703639 B CN103703639 B CN 103703639B
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- China
- Prior art keywords
- horizontal bus
- gas
- distribution board
- insulated switchgear
- switchgear device
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Classifications
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- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/22—Layouts for duplicate bus-bar selection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- Patch Boards (AREA)
Abstract
Erection space as the gas-insulated switchgear device of power receiving apparatus reduces.Power receiver distribution board (R) will be had, in the power receiver gas-insulated switchgear device that multiple distribution boards (1) of the function of matched transformer electroplax (F) and VCT (V) are configured to row side by side and form, the horizontal bus (12 ~ 15) of 3 phases will connected between each distribution board (1) of maximum 4 circuit amounts is set, in top or the bottom of the framework of distribution board (1), to arrange with front and back two and bilevel mode arranges the configuration space of 4 circuit amounts of the horizontal bus (12 ~ 15) of 4 circuit amounts, each phase conductor of the horizontal bus (12 ~ 15) connected to each other by distribution board (1) configures along the horizontal fore-and-aft direction sky of distribution board (1) with opening predetermined distance.Horizontal bus (12 ~ 15) has the joint sleeve (18 ~ 21) running through bus link box (8) above or below bus link box (8) at two ends, horizontal bus (12 ~ 15) is configured to pass through described configuration space.
Description
Technical field
The present invention relates to a kind of gas-insulated switchgear device being used in the power receiver side of electric substation, relate to and introduce the power reception unit of side, the transformer unit of load side and to receiving the configuration of MOF and syndeton that electric power measures.
Background technology
In Figure 22 ~ Figure 25, as conventional example, illustrate the gas-insulated switchgear device of power receiver and be the device of 72/84kV level.In the drawings, a () represents the single-lined diagram of power receiver circuit, b () represents the single-lined diagram of the connection of the framework of gas-insulated switchgear device, the equipment be accommodated in this framework, this framework and this equipment, (c) represents the distribution panelboard structure of gas-insulated switchgear device.In these conventional examples, be provided with the power reception unit (A) in two faces, the transformer unit (B) in two faces, the structure in 5 faces is configured in the lump together with MOF unit, the bus-bar chamber of horizontal bus is configured with in the bottom of distribution board, Figure 22 utilizes double-circuit to receive electric power and the device of powering to two groups of transformers via VCT, Figure 23 utilizes double-circuit to receive electric power and via the VCT device of powering to two groups of transformers of band bypass circulation, Figure 24 utilizes double-circuit to receive electric power via any one device of powering to two groups of transformers in two VCT be connected in parallel.In addition, the sectional side view of the gas-insulated switchgear device be applied in said structure is represented in fig. 25.
Prior art document
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 11 – No. 127510 publications (2nd ~ 3 pages, Fig. 1 ~ Fig. 4)
Summary of the invention
Invent technical problem to be solved
Gas-insulated switchgear device shown in above-mentioned patent documentation 1 utilizes double-circuit receive electric power and power to two groups of transformers via MOF, but in the device shown in Figure 22, need to reserve in the both sides of VCT being configured at central authorities and for configuring the bus connected between the upper and lower of device erected space, there is the problem that the setting area of the switching device being configured with distribution panelboard is increased.In addition, in the device shown in Figure 23, except the structure of Figure 22, also need to arrange bypass block P.In addition, in the device shown in Figure 24, except the structure of Figure 23, also need to arrange auxiliary unit Q ~ S, there is the problem making the setting area of the switching device being configured with distribution panelboard become larger.
The object of the invention is to, obtain and make the framework number of formation distribution panelboard (Japanese: Lie Disk) reduce and reduce the gas-insulated switchgear device of setting area.
The technical scheme that technical solution problem adopts
Gas-insulated switchgear device of the present invention is the power receiver gas-insulated switchgear device being configured side by side by multiple distribution board (Japanese: Disk) and form, wherein, the configuration space of horizontal bus will connected between each distribution board of 4 circuit amounts is set, the horizontal bus connected between distribution board is configured to pass through above-mentioned configuration space.
Invention effect
Adopt gas-insulated switchgear device of the present invention, owing to arranging the configuration space of horizontal bus will connected between each distribution board of 4 circuit amounts, the horizontal bus connected between distribution board is configured to pass through above-mentioned configuration space, therefore, it is possible to provide a kind of under various pattern of rows and columns of user's expectation, the gas-insulated switchgear device that the distribution board of specified standard is formed compactly all only can be utilized.
Accompanying drawing explanation
Fig. 1 is the sectional side view of the gas-insulated switchgear device of embodiment of the present invention 1.
Fig. 2 is the back view carrying out from the right side of Fig. 1 observing.
Fig. 3 is the sectional side view of the gas-insulated switchgear device of embodiment of the present invention 2.
Fig. 4 is the back view of Fig. 3.
Fig. 5 is the single-lined diagram of conventional double-circuit VCT bypass for subsequent use two group structure.
Fig. 6 is the winding diagram of the configuration mode 1 of framework in the single-lined diagram of Fig. 5 and Equipments Setting.
Fig. 7 is the winding diagram of the configuration mode 2 of framework in the single-lined diagram of Fig. 5 and Equipments Setting.
Fig. 8 is the winding diagram of the configuration mode 3 of framework in the single-lined diagram of Fig. 5 and Equipments Setting.
Fig. 9 is the winding diagram of the configuration mode 4 of framework in the single-lined diagram of Fig. 5 and Equipments Setting.
Figure 10 is the single-lined diagram of conventional double-circuit for subsequent use two group structure.
Figure 11 is the winding diagram of the configuration mode 1 of framework in the single-lined diagram of Figure 10 and Equipments Setting.
Figure 12 is the winding diagram of the configuration mode 2 of framework in the single-lined diagram of Figure 10 and Equipments Setting.
Figure 13 is the winding diagram of the configuration mode 3 of framework in the single-lined diagram of Figure 10 and Equipments Setting.
Figure 14 is the winding diagram of the configuration mode 4 of framework in the single-lined diagram of Figure 10 and Equipments Setting.
Figure 15 is the winding diagram of the configuration mode 5 of framework in the single-lined diagram of Figure 10 and Equipments Setting.
Figure 16 is the winding diagram of the configuration mode 6 of framework in the single-lined diagram of Figure 10 and Equipments Setting.
Figure 17 is the single-lined diagram of double-circuit annular power receiver VCT bypass two group structure.
Figure 18 is the winding diagram of the configuration mode 1 of framework in the single-lined diagram of Figure 17 and Equipments Setting.
Figure 19 is the winding diagram of the configuration mode 2 of framework in the single-lined diagram of Figure 17 and Equipments Setting.
Figure 20 is the winding diagram of the configuration mode 3 of framework in the single-lined diagram of Figure 17 and Equipments Setting.
Figure 21 is the winding diagram of the configuration mode 4 of framework in the single-lined diagram of Figure 17 and Equipments Setting.
Figure 22 is the single-lined diagram of the gas-insulated switchgear device of 1MOF type in the past, represents the configuration of framework and equipment.
Figure 23 is the single-lined diagram of VCT bypass two group structure in the past.
Figure 24 is the single-lined diagram of 2VCT two group structure in the past.
Figure 25 is the sectional side view of gas-insulated switchgear device in the past.
Figure 26 is the sectional side view of the gas-insulated switchgear device of embodiment of the present invention 3.
Embodiment
Execution mode 1.
Below, be described according to the gas-insulated switchgear device of embodiment of the present invention 1 based on accompanying drawing.Fig. 1 represents the lateral section of gas-insulated switchgear device.Symbol 1 is framework, and left side (face side of switching device) has the door 1a of energy opening and closing in the drawings.Symbol 2 is sealed with SF in inside
6gas, N
2gas, CO
2the switch portion case of the insulating gas such as gas and dry air, is accommodated with the circuit breaker 4 of vacuum circuit-breaker (hereinafter referred to as VCB) 3 and function with ground in inside.The cable 5 introduced from mains side is extended through in switch portion case 2 by cable joint 5a, and is connected with VCB3 by the circuit breaker 4 of function with ground.In addition, in switch portion case 2, be configured with the lightning arrester 7 be connected by the terminal 4a of cable 5 side with the circuit breaker 4 of function with ground by the circuit breaker 6 of function with ground.
Symbol 8 is sealed with SF in inside
6gas, N
2gas, CO
2the bus link box of the insulating gas such as gas and dry air, is built-in with circuit breaker 9,10 and the circuit breaker 11 of function with ground, is connected by horizontal bus 12,13,14,15 or cuts off with the circuit between above-mentioned VCB3 in inside.One square end of the circuit breaker 10 of function with ground by divide sleeve pipe 16 and bonding conductor 17 and with the square end sub-connection of VCB3, above-mentioned division sleeve pipe 16 divides airtightly by between switch portion case 2 and bus link box 8.
In addition, the circuit breaker 10 of function with ground is connected with the opposing party's terminal of circuit breaker 11 with the circuit breaker 9 of above-mentioned function with ground, and be connected with above-mentioned horizontal bus 12 ~ 15, thus the circuit between the circuit breaker 9 of above-mentioned function with ground with above-mentioned horizontal bus 12 ~ 15 can be connected or cut off.
On the top of above-mentioned bus link box 8, be configured with two row and bilevel horizontal bus in the front-surface side (left side of Fig. 1) of switching device and back-surface side (right side of Fig. 1).Be configured with the horizontal bus 15 on the front side horizontal bus 12 of lower floor, the horizontal bus 13 on upper strata, front side, the horizontal bus 14 of rear side lower floor and rear side upper strata.In addition, the phase spacing that above-mentioned horizontal bus 13 such as interval specifies is configured with respectively be separated shape conductor 13a, 13b, 13c of 3 phases along horizontal depth direction.Other horizontal bus 12,14,15 too.
Symbol 18 is connected with the two ends of above-mentioned horizontal bus 12, run through by above-mentioned bus link box 8 and the bus-bar connecting sleeve be connected with the circuit breaker 10 of the function with ground of inside.In addition, same with above-mentioned bus-bar connecting sleeve 18, bus-bar connecting sleeve 19 is connected with the two ends of above-mentioned horizontal bus 13 and is connected with the circuit breaker 10 of function with ground.In addition, bus-bar connecting sleeve 20 is connected with the two ends of above-mentioned horizontal bus 14, and bus-bar connecting sleeve 21 is connected with the two ends of above-mentioned horizontal bus 15, and bus-bar connecting sleeve 20,21 is connected with the above-mentioned circuit breaker 11 in above-mentioned bus link box 8 respectively.In addition, as shown in Figure 2, the height of the above-mentioned sleeve pipe 18,20 of the aspect ratio above-mentioned lower floor horizontal bus 12,14 of the sleeve pipe 19,21 of above-mentioned upper strata horizontal bus 13,15 is high.But, as shown in Figure 1, the bottom running through the above-mentioned each bus-bar connecting sleeve be inserted in above-mentioned bus link box 8 be no matter upper strata or lower floor be all formed as identical shape, and be connected by the circuit breaker 10 of above-mentioned bonding conductor 22 with above-mentioned function with ground, be connected with above-mentioned circuit breaker 11 by above-mentioned bonding conductor 23.
In addition, as mentioned above, be made up of independently airtight molding box 2,8 respectively from each loop of horizontal bus 12 ~ 15 branch downwards, each airtight molding box is accommodated in respectively in framework and is called distribution board.Using transversely arranged side by side these distribution boards and the structure that forms the switching device of the power receiving system as regulation is called distribution panelboard.
In addition, as shown in the figure, in FIG 4 groups of horizontal bus 12 ~ 15 are all configured to front and back two and arrange and two-layer up and down, but the position (configuration space) being through each group of horizontal bus 12 ~ 15 that the figure shows, be actually and suitably optionally configure.
Such as in the connection shown in Fig. 6, in central authorities' configuration VCT (V), respectively configure 1 (1 represent be 1 station power distribution dish) power reception unit (R) and transformer unit (F) (unit to transformer is powered) in left side, respectively configure 1 power reception unit (R) and transformer unit (F) (unit to transformer is powered) on right side.The position of horizontal bus 12 ~ 15 is represented on the upper left side of Fig. 6.In addition, the terminal on the top of VCT (V) is expressed as F, R, at this, F represents the terminal of front side (Front), and R represents the terminal of rear side (Rear).
In said structure, be expressed as follows state: the transformer unit (F) in left side is connected with the transformer unit (F) on right side by the horizontal bus 12 of front downside (layer), the power reception unit (R) in left side is connected with the power reception unit (R) on right side by the horizontal bus 13 of front upper side (layer), the VCT (V) of the transformer unit (R) in left side with central authorities is connected by the horizontal bus 14 of rear side (layer), and the transformer unit (F) on right side is connected with power reception unit (R), in addition, the VCT (V) of the power reception unit (R) in left side with central authorities is connected by the horizontal bus 15 of rear upside (layer).
By arranging the configuration space of this horizontal bus, even if under aftermentioned such various configurations pattern, the combination of the distribution board of employing standard, need not be inserted between distribution board by being used for the additional unit connected between distribution board as the conventional art, the number of permutations of each distribution board can be reduced, therefore, it is possible to reduce erection space.
Execution mode 2.
Next, be described according to the gas-insulated switchgear device of embodiment of the present invention 2 based on Fig. 3 and Fig. 4.Gas-insulated switchgear device shown in Fig. 3 is the structure obtained after being turned upside down by the device of Fig. 1, horizontal bus 12 ~ 15 is configured in the bottom of switching device.Fig. 4 is the back view (figure observed from left side towards right side in the framework of Fig. 4) of the device of Fig. 2.The structure of horizontal bus 12 ~ 15 of configuration 4 circuit amounts is identical with execution mode 1, erection space to reduce effect also identical with execution mode 1.In the structure of electric panel room, be the electric panel room structure of type cable 5 introduced from top, there is effect.
In addition, such as shown in Fig. 1, Fig. 2 and Fig. 6, the horizontal bus 15 (15a, 15b, 15c) on upper strata is configured at the top of the horizontal bus 14 (14a, 14b, 14c) of lower floor, in addition, the horizontal bus 14 of lower floor and the horizontal bus 15 on upper strata are configured to extend in left-right direction when the front (left side of Fig. 1) of gas-insulated switchgear device is observed.
In addition, in figure 6, the horizontal bus 14 of lower floor will be connected from left several second distribution board with between left several 3rd distribution board.In addition, be also connected between the distribution board of rightmost with the distribution board of second from rightmost.The distribution board of leftmost is connected with between left several 3rd distribution board by the horizontal bus 15 on upper strata.
Consequently, the horizontal bus 15 on upper strata at the distribution board of leftmost and between left several 3rd distribution board, with along distribution panelboard horizontal, namely observe from the front of gas-insulated switchgear device time the transverse direction mode of crossing over the horizontal bus 14 of lower floor connect.
The horizontal bus 12 of lower floor and the horizontal bus 13 on upper strata are also same, in figure 6, the horizontal bus 13 on upper strata connects in the mode on the top crossing over the horizontal bus 12 of lower floor, wherein, the horizontal bus 13 on upper strata is connected between the distribution board of the leftmost side and the distribution board of the rightmost side, and the horizontal bus 12 of lower floor will be connected from left several second distribution board with between right several second distribution board.
By adopting this structure, can easily carry out in narrow space along left and right extend distribution panelboard between connection.
Execution mode 3.
Next, be described according to the gas-insulated switchgear device of embodiment of the present invention 3 based on Figure 26.Gas-insulated switchgear device shown in Figure 26 is similar to the apparatus of Fig. 1, but in the upper and lower, stagger 1/2 of phase spacing in each position of phase bus on depth direction making the depth direction of the horizontal bus 12 ~ 15 of vertically layer sky open predetermined distance configuration.Adopt this structure, the position of the sleeve position of the horizontal bus on upper strata and the horizontal bus of lower floor has nothing to do (leap of the horizontal bus of the lower floor that namely forgets it), bus-bar connecting sleeve 19,21 can be configured in the optional position in distribution panelboard direction.
In addition, in Fig. 6 ~ Figure 21, illustrate the various formation pattern of power receiving apparatus and the connection status of horizontal bus 12 ~ 15 thereof, the observational technique of the configuration space that each horizontal bus 12 ~ 15 under each pattern uses and using state thereof is identical with the explanation of above-mentioned Fig. 6 (the solid line portion of the horizontal bus position of each figure represents the position that horizontal bus 12 ~ 15 exists).
(symbol description)
1 ... framework; 1a ... door; 2 ... switch portion case; 3 ... circuit breaker (VCB); 4 ... the circuit breaker of function with ground; 4a ... cable side terminal; 5 ... cable; 5a ... cable joint; 6 ... the circuit breaker of function with ground; 7 ... lightning arrester; 8 ... bus link box; 9 ... the circuit breaker of function with ground; 10 ... the circuit breaker of function with ground; 11 ... circuit breaker; 12 ... horizontal bus; 12abc ... each phase bus; 13 ... horizontal bus; 14 ... horizontal bus; 15 ... horizontal bus; 16 ... divide sleeve pipe; 17 ... bonding conductor; 18 ... bus-bar connecting sleeve; 19 ... bus-bar connecting sleeve; 20 ... bus-bar connecting sleeve; 21 ... bus-bar connecting sleeve; 22 ... bonding conductor; 23 ... bonding conductor; R ... power reception unit; F ... transformer unit; V ... VCT.
Claims (8)
1. a gas-insulated switchgear device, this gas-insulated switchgear device is configured in framework by the airtight molding box being sealed with insulating gas to form distribution board, and the power receiver gas-insulated switchgear device multiple described distribution board being configured side by side and forms, it is characterized in that
Between the top and the top of described framework of described airtight molding box, or between the bottom and the lower surface of described framework of described airtight molding box, the configuration space of horizontal bus will connected between each described distribution board of 4 circuit amounts is set, the horizontal bus connected between described distribution board is configured to pass through described configuration space.
2. gas-insulated switchgear device as claimed in claim 1, is characterized in that,
The each described circuit of described horizontal bus is 3 phases.
3. gas-insulated switchgear device as claimed in claim 2, is characterized in that,
The horizontal bus of each phase of each described circuit along depth direction the empty standard width of a room in an old-style house every and configure in parallel with each other.
4., as the gas-insulated switchgear device in claims 1 to 3 as described in any one, it is characterized in that,
From the forward observation of described distribution board, the configuration space of 4 circuit amounts of described horizontal bus is formed two-layer along the vertical direction, forms two row along depth direction.
5., as the gas-insulated switchgear device in claims 1 to 3 as described in any one, it is characterized in that,
Between the top and the top of described framework of described airtight molding box, arrange the configuration space of horizontal bus will connected between each described distribution board of 4 circuit amounts, described horizontal bus is configured in the top of described distribution board.
6., as the gas-insulated switchgear device in claims 1 to 3 as described in any one, it is characterized in that,
Between the bottom and the lower surface of described framework of described airtight molding box, arrange the configuration space of horizontal bus will connected between each described distribution board of 4 circuit amounts, described horizontal bus is configured in the bottom of described distribution board.
7. gas-insulated switchgear device as claimed in claim 4, is characterized in that,
Relative to the lower floor's horizontal bus being configured in lower floor in bilevel described configuration space, be configured in the horizontal bus bar configuration in upper strata on upper strata above the vertical of described lower floor horizontal bus, and described upper strata horizontal bus configures in the mode of crossing over described lower floor horizontal bus along the transverse direction of distribution panelboard.
8. gas-insulated switchgear device as claimed in claim 4, is characterized in that,
Be configured in bilevel described configuration space upper strata horizontal bus at the middle and upper levels above the vertical of lower floor's horizontal bus being configured in lower floor, 1/2 of the phase spacing that staggers of the fore-and-aft direction along described distribution board is configured.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011171734 | 2011-08-05 | ||
| JP2011-171734 | 2011-08-05 | ||
| PCT/JP2012/059183 WO2013021678A1 (en) | 2011-08-05 | 2012-04-04 | Gas-insulated switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103703639A CN103703639A (en) | 2014-04-02 |
| CN103703639B true CN103703639B (en) | 2016-04-13 |
Family
ID=47668208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280036591.7A Active CN103703639B (en) | 2011-08-05 | 2012-04-04 | Gas-insulated switchgear device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5484638B2 (en) |
| CN (1) | CN103703639B (en) |
| WO (1) | WO2013021678A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6143525B2 (en) * | 2013-04-10 | 2017-06-07 | 三菱電機株式会社 | Power distribution facilities |
| JP2015159676A (en) * | 2014-02-25 | 2015-09-03 | 三菱電機株式会社 | Power substation |
| CA3066634A1 (en) | 2017-06-16 | 2018-12-20 | Eaton Intelligent Power Limited | Isolating bus enclosure arrangements for switchgear |
| US10164412B1 (en) * | 2017-06-16 | 2018-12-25 | Eaton Intelligent Power Limited | Switchgear with a two-high circuit interrupter configuration |
| US11418015B2 (en) | 2017-06-16 | 2022-08-16 | Eaton Intelligent Power Limited | Isolating gas-insulated bus arrangements for switchgear |
| US10158214B1 (en) * | 2017-06-16 | 2018-12-18 | Eaton Intelligent Power Limited | Switchgear with modular bus configuration supporting individual and parallel feed arrangements |
| WO2019123926A1 (en) * | 2017-12-22 | 2019-06-27 | 三菱電機株式会社 | Gas-insulated open/close device |
| JP7380377B2 (en) * | 2020-03-26 | 2023-11-15 | 東京電力ホールディングス株式会社 | Power receiving and transforming equipment that can change the receiving voltage and how to change the receiving voltage |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1339857A (en) * | 2000-08-14 | 2002-03-13 | 西门子公司 | Gas insulation switch device with three phase bus system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6082909U (en) * | 1983-11-09 | 1985-06-08 | 株式会社東芝 | closed switchboard |
| JP2878807B2 (en) * | 1990-08-30 | 1999-04-05 | 株式会社東芝 | Collective closed switchboard |
| JP2908068B2 (en) * | 1991-06-17 | 1999-06-21 | 株式会社東芝 | Gas-insulated power receiving equipment |
| JPH0580103U (en) * | 1992-03-27 | 1993-10-29 | 日新電機株式会社 | Switchgear row device |
| JPH1084607A (en) * | 1996-07-18 | 1998-03-31 | Toshiba Corp | Gas-insulated safety enclosed switchgear |
| JPH11136817A (en) * | 1997-10-24 | 1999-05-21 | Meidensha Corp | Gas insulation switchgear |
| JP2001204112A (en) * | 2000-01-17 | 2001-07-27 | Nissin Electric Co Ltd | Power receiving unit for gas-insulated switchgear |
| JP5419606B2 (en) * | 2009-09-15 | 2014-02-19 | 三菱電機株式会社 | Gas insulated switchgear |
-
2012
- 2012-04-04 CN CN201280036591.7A patent/CN103703639B/en active Active
- 2012-04-04 JP JP2013527909A patent/JP5484638B2/en active Active
- 2012-04-04 WO PCT/JP2012/059183 patent/WO2013021678A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1339857A (en) * | 2000-08-14 | 2002-03-13 | 西门子公司 | Gas insulation switch device with three phase bus system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013021678A1 (en) | 2013-02-14 |
| JPWO2013021678A1 (en) | 2015-03-05 |
| JP5484638B2 (en) | 2014-05-07 |
| CN103703639A (en) | 2014-04-02 |
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