CN110444437A - A kind of high-pressure vacuum breaker intelligent object of high potential driving - Google Patents
A kind of high-pressure vacuum breaker intelligent object of high potential driving Download PDFInfo
- Publication number
- CN110444437A CN110444437A CN201910631603.4A CN201910631603A CN110444437A CN 110444437 A CN110444437 A CN 110444437A CN 201910631603 A CN201910631603 A CN 201910631603A CN 110444437 A CN110444437 A CN 110444437A
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- CN
- China
- Prior art keywords
- intelligent object
- vacuum breaker
- pressure vacuum
- high potential
- breaker intelligent
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H01H33/662—Housings or protective screens
-
- 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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- 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
- H01H33/666—Operating arrangements
Abstract
The invention belongs to power high voltage switching technique fields, are related to a kind of high-pressure vacuum breaker intelligent object of high potential driving.The high-pressure vacuum breaker intelligent object of the high potential driving is 45~90 degree of V-shaped arrangements and bilateral symmetry；End of incoming cables is connected with the static contact of high voltage vacuum interrupter, and the moving contact of high voltage vacuum interrupter is successively connected directly with arc-chutes moving conductive rod, permanent-magnet manipulating mechanism equipotential, and the outside of high voltage vacuum interrupter is set with epoxy resin seal pole silicon rubber umbrella skirt.The present invention uses from tool driving power and realizes high potential driving, realize the equipotential link of operating mechanism and Switch main body, eliminate the complicated Insulation Coordination of the two, eliminate insulated pull rod, it ensure that in-house alignment, conducive to the stability for guaranteeing double-fracture synchronous switching off and mechanism action, be conducive to the series operation of vacuum interrupter.The configuration of the present invention is simple, industrial realization are convenient, and integrated design makes vacuum circuit breaker not by external environmental interference.
Description
Technical field
The invention belongs to power high voltage switching technique fields, are related to a kind of high-pressure vacuum breaker intelligence of high potential driving
Module.
Background technique
The high-voltage circuitbreaker applied in electric system mainly has vacuum circuit breaker and two kinds of SF6 breaker.Vacuum circuit breaker
It is mainly used in 40.5kV and following voltage class, and SF6 breaker is occupied an leading position in 110kV and above.
Due to SF6 be to the biggish greenhouse gases of environmental hazard, the potential value of greenhouse effects (Global Warming Potential,
GWP) it is about 23000 times of CO2, the survival service life in an atmosphere is very long, is to limit in the Kyoto Protocol signed for 1997
One of greenhouse gases of discharge, therefore the vacuum circuit breaker of higher voltage grade is developed, have to substitute SF6 breaker just important
Practical significance.But single break vacuum circuit breaker voltage class because vacuum insulation characteristic with open away from non-linear relation and by
Limitation, therefore in order to reach the dielectric level of higher voltage grade, it is necessary to it is connected using multiple vacuum interrupters.It is conventional multibreak
Insulation system of the mouth breaker operation mechanism between cold end, with arc-chutes is complicated, realizes difficulty, and synchronize and drive
It is difficult to ensure.The not same period movement of series connection vacuum interrupter will lead to the successive failure of interruption of arc-chutes.Open circuit in the present invention
Device module is driven using high potential, simplifies inside modules structure, is guaranteed that the same period stabilization of series connection fracture is cut-off, is advantageously implemented
Effective series connection of vacuum breaker module.
Patent: a kind of EHV Vacuum Breaker (CN203070999U) of V-type cascaded structure describes a kind of V-type string
It is coupled the EHV Vacuum Breaker of structure, which is utilized V-shaped structures in series, gone out using equalizing capacitor to two vacuum
Arc chamber is pressed, and is realized extra high voltage circuit breaker level, but is deposited between the arc-chutes and operating mechanism of the form breaker
It is difficult to ensure in the stability of insulated pull rod, divide-shut brake speed, when multiple breakers are used in series, it cannot be guaranteed that series connection vacuum
The same period of arc-chutes cut-offs, and cannot achieve reliable synchronism.
Summary of the invention
The object of the present invention is to provide a kind of high-pressure vacuum breaker intelligent objects of high potential driving.High potential driving makes
Device overall dimensions are small, structure is simply light-weight, are conducive to raising module and cut-off speed, guarantee series connection fracture cut-offs stability
With synchronism, it can be achieved that effective series connection of vacuum breaker module, constitutes super-pressure, extra-high voltage vacuum circuit breaker.Module itself
Using double break mouth structure, operating voltage multiplication, light-operated intelligent controller can add the functions such as phased, state-detection, facilitate realization
The whole-life cycle fee of data information transfer and vacuum circuit breaker cooperates the growth requirement of smart grid.
Technical scheme is as follows:
A kind of high-pressure vacuum breaker intelligent object of high potential driving, including high voltage vacuum interrupter, arc-chutes are moved and are led
Electric pole, permanent-magnet manipulating mechanism, drive control box, tubular switch pedestal and monitoring unit；
The high-pressure vacuum breaker intelligent object is V-shaped structure and bilateral symmetry；
The V-shaped one-sided configuration of V-type high-pressure vacuum breaker intelligent object is as follows:
End of incoming cables is connected with the static contact of high voltage vacuum interrupter, the moving contact of high voltage vacuum interrupter successively with arc-chutes
Moving conductive rod, permanent-magnet manipulating mechanism equipotential are connected directly, and the outside of high voltage vacuum interrupter is set with epoxy resin seal pole silicon rubber
Glue full skirt forms the V-shaped one-sided configuration of V-type high-pressure vacuum breaker intelligent object.Epoxy resin seal pole silicon rubber umbrella skirt is simultaneous
Do support and the pole external insulation of high voltage vacuum interrupter.
For two V-shaped one-sided configurations using V-type arrangement composition double break mouth structure, one end of two V-shaped one-sided configurations is logical
Mounting flange is crossed to be fixed on tubular switch pedestal.
Tubular switch pedestal built-in monitoring unit and drive control box, drive control box include from tool driving power and leading to
Believe interface.Communication interface is connected with optical fiber interface, realizes the reception to single driving signal, driving power and permanent-magnet manipulating mechanism
The connection of divide-shut brake coil, realized according to single driving signal and the synchronous of two sides permanent-magnet manipulating mechanism driven.Monitoring unit with
Optical fiber interface is connected, and is contacted with the external world by optical fiber interface realization the transmitting of monitoring signals.
The permanent-magnet manipulating mechanism is directly connected to arc-chutes moving conductive rod, using be placed in high potential from tool type drive
Power supply completes high potential driving.
Further, V-type arrangement angle is 45~90 degree, optimizes module volume arrangement, meets end of incoming cables and leading-out terminal
Between insulating requirements.The stress for optimizing inside modules, improves opening velocity.
Further, tubular switch pedestal, end of incoming cables, leading-out terminal and mounting flange are high-intensitive cast aluminium.Such V
Type high-pressure vacuum breaker intelligent object can carry out series connection extension according to voltage class, form the vacuum circuit breaker of higher voltage grade
Device.
Further, monitoring unit is connected with electrical quantity sensor and position sensor, and the input terminal of position sensor is fixed
On arc-chutes moving conductive rod, being acted with arc-chutes moving conductive rod, the output end of position sensor is connect with monitoring unit,
The displacement signal of contact in high voltage vacuum interrupter is passed into monitoring unit, switch state is observed by displacement curve.Electricity
Sensor is connected with driving power, for the voltage signal of monitoring driving power supply, the output end and monitoring unit of electrical quantity sensor
Connection.
Beneficial effects of the present invention:
This invention simplifies the overall structures of vacuum breaker module, can be applied to the electric power of higher voltage grade
In switch, to replace the widely applied SF6 breaker for having greenhouse effects of current super-pressure and extra-high voltage field.Due to using certainly
Tool driving power realizes high potential driving, realizes the equipotential link of operating mechanism and Switch main body, eliminates the two complexity
Insulation Coordination eliminates insulated pull rod, ensure that in-house alignment, thus advantageously ensure that double-fracture synchronous switching off,
Be conducive to improve failure removal speed.It ensure that the synchronous driving of double-fracture by single control signal, controller passes through optical fiber
It is controlled by the computer of ground potential, is easy to implement the transmitting and life cycle management comprehensive management technology of data.This high potential drives
Dynamic intelligent object structure is simple, industrial realization is convenient, reliable for operation, the service life is long, and integrated design makes vacuum circuit breaker not
By external environmental interference.
Detailed description of the invention
Fig. 1 is high voltage DC breaker intelligent object structural schematic diagram of the invention.
Fig. 2 is the breaker structure figure containing insulated pull rod.
Fig. 3 is high voltage DC breaker intelligent object circuit block diagram of the invention.
Fig. 4 is to be composed in series 550kV vacuum circuit breaker schematic diagram (single-phase).
In figure, 1 end of incoming cables；2 high voltage vacuum interrupters；3 arc-chutes moving conductive rods；4 permanent-magnet manipulating mechanisms；5 epoxy resin seals
Pole and silicon rubber insulation full skirt；6 drive control box；7 optical fiber interfaces；8 mounting flanges；9 switch bases；10 monitoring unit；11
Leading-out terminal；12 insulated pull rods；13 equalizing capacitances；14 ground master control boxes；15 transmission fibers；16 operating mechanism drive control box；17
Tandem arrangement end of incoming cables；18 tandem arrangement leading-out terminals；CB1, CB2 be V-type vacuum circuit breaker two vacuum interrupters, R be etc.
Imitate short-circuit impedance.
Specific embodiment
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail.
High-pressure vacuum breaker unit module operational voltage level of the present invention is adjustable, carries out as needed double
Fracture is composed in series the high-pressure vacuum breaker of operating voltage 60kV~252kV.Vacuum breaker module according to figure 1
Structural schematic diagram, high-tension current after two vacuum interrupters 2, are flowed out by end of incoming cables 1 by leading-out terminal 11.Pass through arc-chutes
Vacuum interrupter 2 and operating mechanism 4 are connected directly by moving conductive rod 3, form the side of V-type.The other side of V-type is symmetrical, two sides
Collected by mounting flange 8 and is fixed on tubular switch pedestal 9.V-type branched angulation is between 45 degree to 90 degree, epoxy resin seal
Pole and silicon rubber parachute skirt 5 also serve as support and the external insulation of vacuum interrupter 2, place 6 He of drive control box of driving power
Monitoring unit 10 is placed in tubular switch pedestal 9, is completed the transmitting of control signal by optical fiber interface 7 and is contacted with extraneous.
In ground master control box 14 the control signal of cold end by transmission fiber 15, operating mechanism drive control box 16 with
It controls optical fiber interface 7 to be connected, control signal inputs drive control box 6, realizes that single driving signal goes out to module double-fracture vacuum
The synchronization drive control of arc chamber 2.Operating mechanism 4 uses rapid permanent-magnet mechanism.Monitoring signals are transmitted to monitoring unit 10, pass through light
Fine interface 7 is transmitted to ground master control box 14.
Ground master control box 14 can be designed based on IEC61850, supported the lateral communication of GOOSE, facilitated and realize digitlization group
Net realizes the real-time, interactive for cut-offfing control and circuit-breaker status information, and then completes long-range monitoring and realize intelligent vacuum open circuit
The whole-life cycle fee of device.
Embodiment 1
As shown in figure 4, a kind of high-pressure vacuum breaker intelligent object of high potential driving is by two 72.5kV high pressure vacuums
Arc-chutes connect to form the voltage rating of 145kV, using the high-pressure vacuum breaker intelligence mould of the high potential driving of 4 145kV
Block series connection, forms the intelligent high-voltage vacuum circuit breaker of 550kV, by synchronous drive control, realizes the synchronous switching off of series connection fracture.
Wherein, tandem arrangement end of incoming cables 17 and tandem arrangement leading-out terminal 18 are the both ends of tandem arrangement.
Claims (8)
1. a kind of high-pressure vacuum breaker intelligent object of high potential driving, which is characterized in that including high voltage vacuum interrupter
(2), arc-chutes moving conductive rod (3), permanent-magnet manipulating mechanism (4), drive control box (6), tubular switch pedestal (9) and monitoring are single
First (10)；
The high-pressure vacuum breaker intelligent object of the high potential driving is V-shaped structure and bilateral symmetry；
The V-shaped one-sided configuration of high-pressure vacuum breaker intelligent object is as follows:
End of incoming cables (1) is connected with the static contact of high voltage vacuum interrupter (2), the moving contact of high voltage vacuum interrupter (2) successively with
Arc-chutes moving conductive rod (3), permanent-magnet manipulating mechanism (4) equipotential are connected directly, and the outside of high voltage vacuum interrupter (2) is set with ring
Oxygen pole silicon rubber umbrella skirt (5) forms the V-shaped one-sided configuration of V-type high-pressure vacuum breaker intelligent object；
For two V-shaped one-sided configurations using V-type arrangement composition double break mouth structure, one end of two V-shaped one-sided configurations passes through peace
Dress flange (8) is fixed on tubular switch pedestal (9)；
Tubular switch pedestal (9) built-in monitoring unit (10) and drive control box (6), drive control box (6) include driving electricity
Source and communication interface；Communication interface is connected with optical fiber interface (7), the divide-shut brake coil of driving power and permanent-magnet manipulating mechanism (4)
Connection；Monitoring unit (10) is connected with optical fiber interface (7), and transmitting and extraneous connection to monitoring signals are realized by optical fiber interface (7)
System.
2. the high-pressure vacuum breaker intelligent object of high potential as described in claim 1 driving, which is characterized in that it is described forever
Magnetic operating mechanism (4) is directly connected to arc-chutes moving conductive rod (3), using be placed in high potential completed from tool type driving power it is high
Current potential driving.
3. the high-pressure vacuum breaker intelligent object of high potential driving as claimed in claim 1 or 2, which is characterized in that described
V-type arrangement angle be 45~90 degree.
4. the high-pressure vacuum breaker intelligent object of high potential driving as claimed in claim 1 or 2, which is characterized in that described
Monitoring unit (10) be connected with electrical quantity sensor and position sensor, the input terminal of position sensor is fixed on that arc-chutes are dynamic to lead
It on electric pole (3), is acted with arc-chutes moving conductive rod (3), the output end of position sensor is connect with monitoring unit (10), will
The displacement signal of contact passes to monitoring unit (10) in high voltage vacuum interrupter (2)；Electrical quantity sensor is connected with driving power,
The output end of electrical quantity sensor is connect with monitoring unit (10).
5. the high-pressure vacuum breaker intelligent object of high potential driving as claimed in claim 3, which is characterized in that the prison
It surveys unit (10) to be connected with electrical quantity sensor and position sensor, the input terminal of position sensor is fixed on arc-chutes moving conductive rod
(3) it on, is acted with arc-chutes moving conductive rod (3), the output end of position sensor is connect with monitoring unit (10), by high pressure
The displacement signal of contact passes to monitoring unit (10) in vacuum interrupter (2)；Electrical quantity sensor is connected with driving power, electricity
The output end of sensor is connect with monitoring unit (10).
6. the high-pressure vacuum breaker intelligent object that the high potential as described in claims 1 or 2 or 5 drives, which is characterized in that institute
Tubular switch pedestal (9), end of incoming cables (1), leading-out terminal (11) and the mounting flange (8) stated are high-intensitive cast aluminium.
7. the high-pressure vacuum breaker intelligent object of high potential driving as claimed in claim 3, which is characterized in that the circle
Switch cylinder pedestal (9), end of incoming cables (1), leading-out terminal (11) and mounting flange (8) are high-intensitive cast aluminium.
8. the high-pressure vacuum breaker intelligent object of high potential driving as claimed in claim 4, which is characterized in that the circle
Switch cylinder pedestal (9), end of incoming cables (1), leading-out terminal (11) and mounting flange (8) are high-intensitive cast aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910631603.4A CN110444437A (en) | 2019-07-12 | 2019-07-12 | A kind of high-pressure vacuum breaker intelligent object of high potential driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910631603.4A CN110444437A (en) | 2019-07-12 | 2019-07-12 | A kind of high-pressure vacuum breaker intelligent object of high potential driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110444437A true CN110444437A (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910631603.4A Pending CN110444437A (en) | 2019-07-12 | 2019-07-12 | A kind of high-pressure vacuum breaker intelligent object of high potential driving |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116864343A (en) * | 2023-07-25 | 2023-10-10 | 江苏双汇电力发展股份有限公司 | Integrated lower three-station switch and intelligent monitoring method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203070999U (en) * | 2012-11-29 | 2013-07-17 | 中国电力科学研究院 | V-shaped series-structure ultrahigh-voltage vacuum circuit breaker |
| CN204270968U (en) * | 2014-12-08 | 2015-04-15 | 大连理工大学 | A kind of double-fracture vacuum switch module of multi-break high-pressure vacuum breaker |
| CN204927166U (en) * | 2015-06-30 | 2015-12-30 | 河南平高电气股份有限公司 | Transmission turning arm and use three headers and double break oral pillar formula circuit breaker of this turning arm |
| CN105428146A (en) * | 2015-12-24 | 2016-03-23 | 上海固缘电力科技有限公司 | Solid insulation permanent magnet vacuum circuit breaker |
-
2019
- 2019-07-12 CN CN201910631603.4A patent/CN110444437A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203070999U (en) * | 2012-11-29 | 2013-07-17 | 中国电力科学研究院 | V-shaped series-structure ultrahigh-voltage vacuum circuit breaker |
| CN204270968U (en) * | 2014-12-08 | 2015-04-15 | 大连理工大学 | A kind of double-fracture vacuum switch module of multi-break high-pressure vacuum breaker |
| CN204927166U (en) * | 2015-06-30 | 2015-12-30 | 河南平高电气股份有限公司 | Transmission turning arm and use three headers and double break oral pillar formula circuit breaker of this turning arm |
| CN105428146A (en) * | 2015-12-24 | 2016-03-23 | 上海固缘电力科技有限公司 | Solid insulation permanent magnet vacuum circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116864343A (en) * | 2023-07-25 | 2023-10-10 | 江苏双汇电力发展股份有限公司 | Integrated lower three-station switch and intelligent monitoring method thereof |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |
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| RJ01 | Rejection of invention patent application after publication |