CN107331569A - 500KV vacuum circuit breaker topological structures - Google Patents
500KV vacuum circuit breaker topological structures Download PDFInfo
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- CN107331569A CN107331569A CN201710693653.6A CN201710693653A CN107331569A CN 107331569 A CN107331569 A CN 107331569A CN 201710693653 A CN201710693653 A CN 201710693653A CN 107331569 A CN107331569 A CN 107331569A
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- Prior art keywords
- circuit breakers
- vacuum circuit
- vacuum
- topological structure
- equalizing capacitance
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to a kind of 500KV vacuum circuit breakers topological structure, including：80kV vacuum circuit breakers module (1) and 500kV vacuum circuit breakers based on double-fracture pole (104)；The 80kV vacuum circuit breakers module (1) based on double-fracture pole (104) is in series by two 40.5kV vacuum interrupters；The 500kV vacuum circuit breakers are connected by six 80kV vacuum circuit breakers modules (1) and pressure is formed.The present invention can realize that 500kV capacitive vacuum is cut-off without restriking, and efficiently solve that UHVDC converter station AC 500kV and 1100kV switching filters breaker Breaking capacity is not enough, restrike and problem that electrical endurance is short.
Description
Technical field
The present invention relates to breaker, more specifically to a kind of 500KV vacuum circuit breakers topological structure.
Background technology
± 800kV, ± 1100kV extra-high voltage direct-current engineering receiving end layer-specific access 500kV/1000kV AC networks, wherein
500kV, 1100kV side filter group breaker use pole structure.China has successfully developed 1100kV exchange GIS landings
Potting breaker, and be successfully applied to multiple extra-high voltage projects, but there is no both at home and abroad any producer successfully develop 500kV,
1100kV cylinder vacuum breakers, lack the experience for being available for using for reference, simultaneously, it is contemplated that extra-high voltage grid power adjustment amplitude is big,
The frequency is more, and wave filter group switching is more frequent, and capacitive load folding Capability Requirement is far above C2 grades as defined in standard, its crucial skill
The demand of art research is very urgent.
The content of the invention
The technical problem to be solved in the present invention is, there is provided a kind of 500KV vacuum circuit breakers topological structure, to realize 500kV
Capacitive vacuum is cut-off without restriking, and is efficiently solved UHVDC converter station AC 500kV and 1100kV switching filters and is broken
Road device Breaking capacity is not enough, restrike and problem that electrical endurance is short.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of 500KV vacuum circuit breakers topology knot
Structure, including：80kV vacuum circuit breakers module and 500kV vacuum circuit breakers based on double-fracture pole；It is described to be based on double break
The 80kV vacuum circuit breakers module of mouth pole is in series by two 40.5kV vacuum interrupters；The 500kV vacuum is broken
Road device is connected by six 80kV vacuum circuit breakers modules and pressure is formed.
In such scheme, the 500kV vacuum circuit breakers have three sets of independent operating mechanisms and three insulation columns.
In such scheme, two 40.5kV vacuum interrupters pass through the wire that is flexible coupling after equalizing capacitance parallel connection between head and the tail
Connection, the first vacuum interrupter and equalizing capacitance lower end connect to form public node, on the second vacuum interrupter and equalizing capacitance
End connection forms public node.
In such scheme, the first vacuum interrupter and equalizing capacitance upper end connect to form public node, outwards draw and are formed
The upper outlet of double-fracture pole, the second vacuum interrupter and equalizing capacitance lower end connect to form public node, outwards draw
Form the lower outlet of double-fracture pole.
In such scheme, the first vacuum interrupter and equalizing capacitance lower end, the second vacuum interrupter and equalizing capacitance lower end
It is fixed together by insulated tension pole.
In such scheme, two 80kV vacuum circuit breakers modules are broken by forming 500kV vacuum after series connection and outside pressure
One unit of road device, the lower outlet of two 80kV vacuum circuit breaker modules is connected by connecting wire, and two 80kV vacuum are broken
One in parallel outside equalizing capacitance, two 80kV vacuum circuit breaker modules are distinguished between the upper outlet of road device module and connecting wire
Insulated tension pole interface be connected jointly with an insulation column.
In such scheme, 500kV vacuum circuit breakers are formed after three unit series connection, are joined end to end between three unit outlets.
In such scheme, six 80kV vacuum circuit breaker modules take a word horizontal arranging mode, a unit configuration one
Individual independent operating mechanism is installed in insulation column, and each operating mechanism pulls two 80kV vacuum circuit breaker modules, 500kV
Vacuum circuit breaker is made up of three insulation against ground pillars altogether.
Implement the 500KV vacuum circuit breaker topological structures of the present invention, have the advantages that：
1st, the vacuum short air gap of 40.5kV vacuum interrupters cut-offs gain characteristic, multiple short air gap fracture strings with higher
Connecting-disconnecting function after connection is the single fracture connecting-disconnecting function of significantly greater than same total backlash length.
2nd, multiple fracture series connection are cut-off, and each fracture shares interrupting process arc energy, and it is general that all fractures all puncture
Rate is substantially reduced, so as to improve connecting-disconnecting function on the whole, is solved and is cut-off the problem of restriking.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the topological diagram of 500KV vacuum circuit breakers topological structure of the present invention；
Fig. 2 is 500kV vacuum circuit breakers unit topological diagram of the present invention；
Fig. 3 is the 80kV vacuum circuit breaker module topological diagrams based on double-fracture pole.
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now compare accompanying drawing and describe in detail
The embodiment of the present invention.
As Figure 1-3,500kV vacuum circuit breakers topological structure of the present invention includes：Based on double-fracture pole 104
80kV vacuum circuit breakers module 1 and the 500kV vacuum circuit breakers based on 80kV vacuum circuit breakers module 1.
80kV vacuum circuit breakers module 1 based on double-fracture pole 104 is connected by two 40.5kV vacuum interrupters
Form.500kV vacuum circuit breakers are connected by six 80kV vacuum circuit breakers modules 1 and pressure is formed.500kV vacuum circuit breakers are total to
There are three sets of independent operating mechanisms and three insulation columns 2.
80kV vacuum circuit breakers module 1 based on double-fracture pole 104, by two 40.5kV vacuum interrupters through equal
Connected after the parallel connection of voltage capacitance 103 between head and the tail by the wire 108 that is flexible coupling.Under first vacuum interrupter 101 and equalizing capacitance 103
End connection forms public node, and the second vacuum interrupter 102 and the upper end of equalizing capacitance 103 connect to form public node, this two
Node is connected by the wire 108 that is flexible coupling.First vacuum interrupter 101 and the upper end of equalizing capacitance 103 connect to form public node,
The upper outlet 106 for forming double-fracture pole 104 is outwards drawn, the second vacuum interrupter 102 and the lower end of equalizing capacitance 103 connect
Connect to form public node, outwards draw the lower outlet 107 for forming double-fracture pole 104.First vacuum interrupter 101 and
The lower end of voltage capacitance 103, the second vacuum interrupter 102 and the lower end of equalizing capacitance 103 are fixed together by insulated tension pole 105.It is double
Fracture pole 104 externally only exists outlet 106, lower outlet 107 and the interface of insulated tension pole 105.
500kV vacuum circuit breakers are by two 80kV vacuum circuit breakers modules 1 by forming 500kV after series connection and outside pressure
One unit of vacuum circuit breaker.The lower outlet 107 of two 80kV vacuum circuit breakers modules 1 is connected by connecting wire, two
One in parallel outside equalizing capacitance 3 is distinguished between the upper outlet 106 of 80kV vacuum circuit breakers module 1 and connecting wire.Two
The interface of insulated tension pole 105 of 80kV vacuum circuit breakers module 1 is connected with an insulation column 2 jointly.
500kV vacuum circuit breakers, head and the tail phase between three unit outlets are formed after the three unit series connection of 500kV vacuum circuit breakers
Even.
500kV vacuum circuit breakers take a word horizontal arranging mode, a unit by six 80kV vacuum circuit breakers modules 1
One independent operating mechanism of configuration is installed in insulation column 2, and each operating mechanism pulls two 80kV vacuum circuit breaker moulds
Group 1,500kV vacuum circuit breakers are made up of three insulation against ground pillars 2 altogether.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (8)
1. a kind of 500KV vacuum circuit breakers topological structure, it is characterised in that including：Based on double-fracture pole (104)
80kV vacuum circuit breakers module (1) and 500kV vacuum circuit breakers；The 80kV vacuum based on double-fracture pole (104)
Breaker module (1) is in series by two 40.5kV vacuum interrupters；The 500kV vacuum circuit breakers are by six 80kV vacuum
Breaker module (1) is connected and pressure is formed.
2. 500KV vacuum circuit breakers topological structure according to claim 1, it is characterised in that the 500kV vacuum circuit breakers
Device has three sets of independent operating mechanisms and three insulation columns (2).
3. 500KV vacuum circuit breakers topological structure according to claim 1, it is characterised in that two 40.5kV vacuum are gone out
Arc chamber passes through the wire that is flexible coupling (108) between head and the tail after equalizing capacitance (103) parallel connection and connected, the first vacuum interrupter (101)
And equalizing capacitance (103) lower end connects to form public node, the second vacuum interrupter (102) and equalizing capacitance (103) upper end connect
Connect to form public node.
4. 500KV vacuum circuit breakers topological structure according to claim 3, it is characterised in that the first vacuum interrupter
(101) and equalizing capacitance (103) upper end connects to form public node, outwards draw and form the upper of double-fracture pole (104)
Outlet (106), the second vacuum interrupter (102) and equalizing capacitance (103) lower end connect to form public node, outwards draw and are formed
The lower outlet (107) of double-fracture pole (104).
5. 500KV vacuum circuit breakers topological structure according to claim 3, it is characterised in that the first vacuum interrupter
(101) and equalizing capacitance (103) lower end, the second vacuum interrupter (102) and equalizing capacitance (103) lower end pass through insulated tension pole
(105) it is fixed together.
6. 500KV vacuum circuit breakers topological structure according to claim 1, it is characterised in that two 80kV vacuum circuit breakers
Device module (1) passes through a unit of formation 500kV vacuum circuit breakers after series connection and outside pressure, two 80kV vacuum circuit breakers
The lower outlet (107) of module (1) is connected by connecting wire, the upper outlet (106) of two 80kV vacuum circuit breakers modules (1) with
One in parallel outside equalizing capacitance (3), the insulated tension pole of two 80kV vacuum circuit breakers modules (1) are distinguished between connecting wire
(105) interface is connected with an insulation column (2) jointly.
7. 500KV vacuum circuit breakers topological structure according to claim 6, it is characterised in that shape after three unit series connection
Into 500kV vacuum circuit breakers, joined end to end between three unit outlets.
8. 500KV vacuum circuit breakers topological structure according to claim 6, it is characterised in that six 80kV vacuum circuit breakers
Device module (1) takes a word horizontal arranging mode, and a unit configures an independent operating mechanism and is installed on insulation column (2)
Interior, each operating mechanism pulls two 80kV vacuum circuit breakers modules (1), and 500kV vacuum circuit breakers are altogether by three insulation against ground
Pillar (2) is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693653.6A CN107331569A (en) | 2017-08-14 | 2017-08-14 | 500KV vacuum circuit breaker topological structures |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710693653.6A CN107331569A (en) | 2017-08-14 | 2017-08-14 | 500KV vacuum circuit breaker topological structures |
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| CN107331569A true CN107331569A (en) | 2017-11-07 |
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| CN201710693653.6A Pending CN107331569A (en) | 2017-08-14 | 2017-08-14 | 500KV vacuum circuit breaker topological structures |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111527576A (en) * | 2017-12-27 | 2020-08-11 | Ls电气株式会社 | Direct current breaker |
| CN113066689A (en) * | 2021-03-22 | 2021-07-02 | 西安交通大学 | Topological structure of ultrahigh-voltage and ultrahigh-voltage multi-break quick vacuum circuit breaker |
| CN114093712A (en) * | 2021-11-11 | 2022-02-25 | 广东电网有限责任公司广州供电局 | Quick vacuum circuit breaker and control system thereof |
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|---|---|---|---|---|
| JPS5757231A (en) * | 1980-09-25 | 1982-04-06 | Meidensha Electric Mfg Co Ltd | Monitor ing device of degree of vacuum for vacuum circuit breaker |
| CN1893210A (en) * | 2005-06-29 | 2007-01-10 | 株式会社日立制作所 | Vacuum insulated switchgear |
| CN102364655A (en) * | 2011-11-17 | 2012-02-29 | 武汉大学 | Dynamic voltage sharing device of multi-break vacuum circuit breaker and parameter selection method for dynamic voltage sharing device |
| CN103050324A (en) * | 2012-12-17 | 2013-04-17 | 大连理工大学 | Vacuum circuit breaker based on T-shaped double break vacuum arc-extinguishing chamber |
| CN104966648A (en) * | 2015-05-18 | 2015-10-07 | 国网电力科学研究院武汉南瑞有限责任公司 | Indoor 110kV vacuum circuit breaker body formed by common-pole series-connected breakers in different voltage classes |
| CN207302961U (en) * | 2017-08-14 | 2018-05-01 | 国网电力科学研究院武汉南瑞有限责任公司 | 500KV vacuum circuit breaker topological structures |
-
2017
- 2017-08-14 CN CN201710693653.6A patent/CN107331569A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5757231A (en) * | 1980-09-25 | 1982-04-06 | Meidensha Electric Mfg Co Ltd | Monitor ing device of degree of vacuum for vacuum circuit breaker |
| CN1893210A (en) * | 2005-06-29 | 2007-01-10 | 株式会社日立制作所 | Vacuum insulated switchgear |
| CN102364655A (en) * | 2011-11-17 | 2012-02-29 | 武汉大学 | Dynamic voltage sharing device of multi-break vacuum circuit breaker and parameter selection method for dynamic voltage sharing device |
| CN103050324A (en) * | 2012-12-17 | 2013-04-17 | 大连理工大学 | Vacuum circuit breaker based on T-shaped double break vacuum arc-extinguishing chamber |
| CN104966648A (en) * | 2015-05-18 | 2015-10-07 | 国网电力科学研究院武汉南瑞有限责任公司 | Indoor 110kV vacuum circuit breaker body formed by common-pole series-connected breakers in different voltage classes |
| CN207302961U (en) * | 2017-08-14 | 2018-05-01 | 国网电力科学研究院武汉南瑞有限责任公司 | 500KV vacuum circuit breaker topological structures |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111527576A (en) * | 2017-12-27 | 2020-08-11 | Ls电气株式会社 | Direct current breaker |
| US11430621B2 (en) | 2017-12-27 | 2022-08-30 | Ls Electric Co., Ltd. | DC circuit breaker |
| CN113066689A (en) * | 2021-03-22 | 2021-07-02 | 西安交通大学 | Topological structure of ultrahigh-voltage and ultrahigh-voltage multi-break quick vacuum circuit breaker |
| CN114093712A (en) * | 2021-11-11 | 2022-02-25 | 广东电网有限责任公司广州供电局 | Quick vacuum circuit breaker and control system thereof |
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Application publication date: 20171107 |