CN102064489A - High-voltage gas-insulated and metal-enclosed switching equipment - Google Patents
High-voltage gas-insulated and metal-enclosed switching equipment Download PDFInfo
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- CN102064489A CN102064489A CN2009102253672A CN200910225367A CN102064489A CN 102064489 A CN102064489 A CN 102064489A CN 2009102253672 A CN2009102253672 A CN 2009102253672A CN 200910225367 A CN200910225367 A CN 200910225367A CN 102064489 A CN102064489 A CN 102064489A
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- grounding switch
- type isolating
- circuit breaker
- switch
- grounding
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Abstract
The invention relates to high-voltage gas-insulated and metal-enclosed switching equipment which comprises two bus-type isolating/grounding switches, a circuit breaker, a current transformer, a line-type isolating/grounding switch, a voltage transformer, a four-way connecting part, a fast grounding switch, an extending part, a high-voltage sleeve-pipe wire-outlet unit and a steel-structure supporting bottom frame, wherein the two bus-type isolating/grounding switches are arranged in an aluminum shell, the two bus-type isolating/grounding switches are respectively connected with the circuit breaker, one end of the current transformer is connected with the circuit breaker, the other end of the current transformer is connected with the line-type isolating/grounding switch, the four-way connecting part is respectively connected with the line-type isolating/grounding switch, the voltage transformer, the fast grounding switch and the extending part, the extending part is connected with the high-voltage sleeve-pipe wire-outlet unit, and the bus-type isolating/grounding switches, the circuit breaker and the four-way connecting part are supported by the steel-structure supporting bottom frame. Compared with the prior art, the switching equipment has the advantages of compact structure, less occupied area, environment friendliness, economy and the like.
Description
Technical field
The invention belongs to the high voltage power transmission and transforming industry, relate to a kind of high-tension power transmission and transformation equipment, especially relate to a kind of gases at high pressure insulated metal sealing switch equipment.
Background technology
According to present situation, still there is not integral device three-phase combined type structure in the 252kV electric pressure, specifically can see the following form:
| ABB | Siemens | Wei Yiailong source electrician | |
| ?126KV?GIS | Whole three-phase combined type | Whole three-phase combined type | Whole three-phase combined type |
| ?252KV?GIS | Circuit breaker divides box structure | Circuit breaker divides box structure | Whole three-phase combined type |
Be listed in as institute in the table that international two giants enterprise does not have common box structure yet on this electric pressure, moreover soil utilization now was becoming tight in positive day, the space is more and more crowded, and branch mailbox structure soil occupation rate height has been occupied limited space resources greatly, is unfavorable for the requirement of sustainability.
Summary of the invention
Purpose of the present invention be exactly provide a kind of compact conformation in order to overcome the defective that above-mentioned prior art exists, take up an area of less, the gases at high pressure insulated metal sealing switch equipment of environmental protection and economy.
Purpose of the present invention can be achieved through the following technical solutions: a kind of gases at high pressure insulated metal sealing switch equipment, it is characterized in that, this equipment comprises two bus type isolating/grounding switch that are arranged in the aluminium shell, circuit breaker, current transformer, the line type isolating/grounding switch, voltage transformer, the four-way link, high speed grounding switch, extend widening parts, bushing outlet unit and steel construction support underframe, described two bus type isolating/grounding switch connect circuit breaker respectively, described current transformer one end connects circuit breaker, other end connection line type isolating/grounding switch, described four-way link is connection line type isolating/grounding switch respectively, voltage transformer, high speed grounding switch and extension widening parts, described extension widening parts connects bushing outlet unit, described bus type isolating/grounding switch, circuit breaker and four-way link support underframe by steel construction and support.
Described bus type isolating/grounding switch and line type isolating/grounding switch will be isolated and two kinds of forms of ground connection are combined with each other.
Described circuit breaker inside is provided with three independently arc control device, adopts the spring energy-storage hydraulic mechanism to drive, and carries out self-energy quenching arc.
Compared with prior art, 252kV gases at high pressure insulated metal sealing switch equipment of the present invention adopts whole three-phase combined type structure, add that various packet type switch elements make that the overall dimensions of equipment is compacter, its normal space width is 2120mm, overall height 3200mm (not comprising the overhead outlet part), significantly reduce the floor space of transformer station and required construction input, be particularly suitable in the city of prosperity, using, met present environmental protection and economy requirement fully.Reasonable in design, superior aluminum alloy casting technique, make the good looking appearance of product, full unit volume at interval is little, in light weight, so that standard cell just can become a standard delivery unit at interval, and the Installation and Debugging work of product can finish in factory, and the workload of erecting bed is minimized.The three-phase combined type structure also is premier in this electric pressure, beyond example still in the field of business.
Description of drawings
Fig. 1 is a structural representation of the present invention.
1-bus type isolating/grounding switch, 2-bus type isolating/grounding switch, the 3-circuit breaker, 4-current transformer, 5-line type isolating/grounding switch, the 6-voltage transformer, 7-four-way coupling components, the 8-high speed grounding switch, 9-extends widening parts, 10-bushing outlet unit, the 11-steel construction supports underframe.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
A kind of gases at high pressure insulated metal sealing switch equipment, this equipment comprises the bus type isolating/grounding switch 1 that is arranged in the aluminium shell, bus type isolating/grounding switch 2, circuit breaker 3, current transformer 4, line type isolating/grounding switch 5, voltage transformer 6, four-way link 7, high speed grounding switch 8, extend widening parts 9, bushing outlet unit 10 and steel construction support underframe 11, described bus type isolating/grounding switch 1 is connected circuit breaker 3 respectively with bus type isolating/grounding switch 2, described current transformer 4 one ends connect circuit breaker 3, other end connection line type isolating/grounding switch 5, described four-way link 7 is connection line type isolating/grounding switch 5 respectively, voltage transformer 6, high speed grounding switch 8 and extension widening parts 9, described extension widening parts 9 connects bushing outlet unit 10, described bus type isolating/grounding switch 1, bus type isolating/grounding switch 2, circuit breaker 6 and four-way link 7 support underframe 11 by steel construction and support.
Entire equipment adopts modularized design, and each unit not only independently operates but also is closely connected mutually.These modules and accurately machined adpting flange have on all four size, make these modules to make things convenient for combination on request, satisfy the various optimal design requirements of transformer station.Its median generatrix and line switching are commercially available isolating/grounding switch, isolating and two kinds of forms of ground connection are combined with each other that this can omit the electric operation interlocking, do not exist isolate and ground connection between various misoperations, significantly improved operational reliability.Of paramount importance circuit breaker adopts the up-to-date self-energy quenching arc technology in the world today in the entire equipment, this The Application of Technology, the operating work that makes circuit breaker have is little, break performance is good, and operating mechanism adopts novel spring energy storage hydraulic mechanism, and this mechanism has avoided early stage hydraulic mechanism pipeline complexity, the deficiency that the energy-accumulating medium temperature influence is big, avoided the spring operating mechanism part many again, baroque deficiency.At the hydraulically powered operating mechanism of adapted spring energy-storage, can have quite high Mechanical Reliability the mechanical endurance of circuit breaker up to 10000 times.Circuit breaker inner three independently arc control device be installed in the lump in the same housing, be that phase spacing or distance to the ground all satisfy country and industry standard fully, the design of common box type just greatly reduces the space occupancy of entire equipment like this, reduce equipment volume, realized the requirements of the times of integrated intelligent fully.
This product is selected aluminium shell for use, and is in light weight and very high decay resistance arranged.The application of three-phase combined type structure and non-magnetic aluminum material has improved the distribution of product internal electric field, has reduced the electric energy loss heating that electromagnetic induction causes.
The three-phase combined type structure of innovative form has been lacked about 60% sealing part than the three-phase phase separation structure, cooperates high-precision hermetically-sealed construction and higher quality seal circle, makes SF
6Gas year, leakage rate was lower than 0.5%, and sealing and reliability tool are good.
This product meets GB, DL and IEC standard, and its concrete parameter is as follows:
| Preface | Project | Unit | Parameter |
| 1 | Rated voltage | kV | 252 |
| 2 | The number of phases | Phase | 3 |
| 3 | Rated frequency | Hz | 50 |
| 4 | Rated current | A | 3150 |
| 5 | Specified short time withstand current | kA | 40 |
| 6 | Rated duration of short-circuit | s | 4 |
| 7 | Rated peak withstand current | kA | 125 |
| 8 | Rated power frequency withstand voltage | kV | 460 |
| 9 | Rated lightning impulse withstand voltage | kV | 1050 |
| 10 | The nominal operation impulse withstand voltage | kV | —— |
| 11 | Partial discharge | Pc | ≤5 |
| 12 | Year leakage rate | ％ | 0.5 |
Claims (3)
1. gases at high pressure insulated metal sealing switch equipment, it is characterized in that, this equipment comprises two bus type isolating/grounding switch that are arranged in the aluminium shell, circuit breaker, current transformer, the line type isolating/grounding switch, voltage transformer, the four-way link, high speed grounding switch, extend widening parts, bushing outlet unit and steel construction support underframe, described two bus type isolating/grounding switch connect circuit breaker respectively, described current transformer one end connects circuit breaker, other end connection line type isolating/grounding switch, described four-way link is connection line type isolating/grounding switch respectively, voltage transformer, high speed grounding switch and extension widening parts, described extension widening parts connects bushing outlet unit, described bus type isolating/grounding switch, circuit breaker and four-way link support underframe by steel construction and support.
2. a kind of gases at high pressure insulated metal sealing switch equipment according to claim 1 is characterized in that, described bus type isolating/grounding switch and line type isolating/grounding switch will be isolated and two kinds of forms of ground connection are combined with each other.
3. a kind of gases at high pressure insulated metal sealing switch equipment according to claim 1 is characterized in that described circuit breaker inside is provided with three independently arc control device, adopts the spring energy-storage hydraulic mechanism to drive, and carries out self-energy quenching arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102253672A CN102064489A (en) | 2009-11-18 | 2009-11-18 | High-voltage gas-insulated and metal-enclosed switching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102253672A CN102064489A (en) | 2009-11-18 | 2009-11-18 | High-voltage gas-insulated and metal-enclosed switching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102064489A true CN102064489A (en) | 2011-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102253672A Pending CN102064489A (en) | 2009-11-18 | 2009-11-18 | High-voltage gas-insulated and metal-enclosed switching equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN102064489A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368080A (en) * | 2013-07-17 | 2013-10-23 | 牛虎明 | Gas-insulating high-voltage combination appliance |
| CN105514854A (en) * | 2015-12-03 | 2016-04-20 | 平高集团有限公司 | Integrated bus bar and GIS equipment provided with integrated bus bar |
| CN113161170A (en) * | 2020-01-07 | 2021-07-23 | 国网上海市电力公司 | Method for preventing mistaken closing of grounding switch blade on GIS combined electrical apparatus in electrified mode |
-
2009
- 2009-11-18 CN CN2009102253672A patent/CN102064489A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368080A (en) * | 2013-07-17 | 2013-10-23 | 牛虎明 | Gas-insulating high-voltage combination appliance |
| CN103368080B (en) * | 2013-07-17 | 2015-08-05 | 牛虎明 | Gas isolated high-voltage combined electrical apparatus |
| CN105514854A (en) * | 2015-12-03 | 2016-04-20 | 平高集团有限公司 | Integrated bus bar and GIS equipment provided with integrated bus bar |
| CN113161170A (en) * | 2020-01-07 | 2021-07-23 | 国网上海市电力公司 | Method for preventing mistaken closing of grounding switch blade on GIS combined electrical apparatus in electrified mode |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110518 |