CN109119283A - A kind of one or two fusion outdoor SF6 gas breakers - Google Patents
A kind of one or two fusion outdoor SF6 gas breakers Download PDFInfo
- Publication number
- CN109119283A CN109119283A CN201811173696.2A CN201811173696A CN109119283A CN 109119283 A CN109119283 A CN 109119283A CN 201811173696 A CN201811173696 A CN 201811173696A CN 109119283 A CN109119283 A CN 109119283A
- Authority
- CN
- China
- Prior art keywords
- electrically connected
- tank shell
- gas tank
- mutual inductor
- casing tube
- Prior art date
- 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
-
- 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
- H01H33/02—Details
- H01H33/027—Integrated apparatus for measuring current or voltage
-
- 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
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of one or two fusion outdoor SF6 gas breakers, including killer switch, zero sequential potential transformer, phase current mutual inductor, zero sequence current mutual inductor, entrance bushing, outlet casing tube, gas tank shell, mechanism case and voltage transformer, killer switch is installed in the gas tank shell, the moved end of killer switch and static side are electrically connected with entrance bushing and outlet casing tube respectively, entrance bushing and outlet casing tube are separately mounted to two side positions of gas tank shell, the beneficial effects of the present invention are: having small in size, it is light-weight, the advantages of low energy consumption, and realize metering, protection, zero-sequenceprotection, the functions such as data acquisition transmission and electriferous state digital measuring, line loss module is provided in FTU mechanism, ETC can be acquired, EVT signal, three-phase voltage can be measured, electric current, frequency, the electric energy such as power factor ginseng Magnitude realizes protection control function and communication function.
Description
Technical field
The present invention relates to a kind of SF6 breaker, specifically a kind of one or two fusions outdoor SF6 gas breaker.
Background technique
National grid transport inspection department starts one or two fusion work of controller switching equipment in May, 2016, and one or two times integration technology is
The main task of the following intelligent distribution network.It can effectively push China's power distribution automation horizontal after the project implementation, improve resident and use
The safety and reliability of electricity.It can be very good to solve increment equipment power distribution automation covering in power distribution network scale construction retrofit
And the unmatched problem of secondary device.
Wherein outdoor SF6 gas breaker is exactly the primary switchgear of this subtask.Exist in existing distribution network system
Various problem, complex circuit, failure be more, circuit breaker trip phenomenon frequently etc..Especially outdoor SF6 gas breaker needs
On-site manual operation, which is closed, divides breaker, lacks long-distance intelligent control, and route once breaks down and searches difficulty, not can be carried out
Automatically it detects and handles, be delayed accident treatment, cause failure further expansion.
Summary of the invention
The purpose of the present invention is to provide a kind of one or two fusion outdoor SF6 gas breakers, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of one or two fusion outdoor SF6 gas breakers, including killer switch, zero sequential potential transformer, phase current mutual inductor, zero
Sequence current transformer, entrance bushing, outlet casing tube, gas tank shell, mechanism case and voltage transformer,
Killer switch is installed in the gas tank shell, the moved end of killer switch and static side respectively with entrance bushing and outlet
Casing electrical connection, entrance bushing and outlet casing tube are separately mounted to two side positions of gas tank shell；
It is also equipped with zero sequential potential transformer, phase current mutual inductor and zero sequence current mutual inductor on the inner wall of the gas tank shell,
Wherein the primary connection terminal of zero sequential potential transformer is electrically connected outlet casing tube by conducting wire, and the two of zero sequential potential transformer
Secondary connecting terminal is electrically connected aviation plug by secondary wiring, and aviation plug is mounted on mechanism case, and mechanism case is fixed on gas tank
At one side position of shell, phase current mutual inductor is sleeved on outlet casing tube, and the secondary wiring terminals of phase current mutual inductor are logical
Cross secondary wiring electrical connection aviation plug；Zero sequence current mutual inductor is sleeved on entrance bushing, zero sequence current mutual inductor it is secondary
Connecting terminal is electrically connected aviation plug by secondary wiring；
The voltage transformer is mounted at a side position of gas tank shell, the primary connection terminal and inlet wire set of voltage transformer
Pipe electrical connection, voltage transformer are electrically connected FTU mechanism by secondary wiring；
The main shaft of operating mechanism and killer switch link in the mechanism case, the control route and aviation plug in operating mechanism
Electrical connection；
The aviation plug is connect by cable with FTU mechanism, and FTU mechanism is connect with remote monitoring platform.
As a further solution of the present invention: the voltage transformer is double winding voltage transformer.
As further scheme of the invention: the FTU mechanism is bell-jar FTU or box FTU.
As the present invention further scheme: be also equipped on the mechanism case energy accumulation handle, Manual operation handle and
Divide-shut brake instruction.
As further scheme of the invention: being coated with fluorescent material in the divide-shut brake instruction.
Compared with prior art, the beneficial effects of the present invention are: having the advantages that small in size, light-weight, low energy consumption, and it is real
Now metering, protection, zero-sequenceprotection, data acquisition is transmitted and the functions such as electriferous state digital measuring, and setting is wired in FTU mechanism
Module is damaged, ETC, EVT signal can be acquired, the electric energy parameter value such as three-phase voltage, electric current, frequency, power factor can be measured, is realized
Protect control function and communication function；The outdoor breaker Overall Design Standards, functional module are independent, equipment is exchanged flexibly, solution
The compatibility and scaling concern of the telesignalling dithering, a second interface that are certainly faced in Distribution Automation Construction.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of one or two fusions outdoor SF6 gas breaker.
Fig. 2 is that a kind of one or the two times structural schematic diagrams for merging mechanism case in outdoor SF6 gas breaker (connect with bell-jar FTU
It connects).
Fig. 3 is a kind of one or the two times structural schematic diagrams (connecting with box FTU) for merging mechanism case in outdoor SF6 gas breaker.
Fig. 4 is a kind of one or the two times structural schematic diagrams for merging voltage transformer in outdoor SF6 gas breaker.
In figure: 1- killer switch, 2- zero sequential potential transformer, 3- phase current mutual inductor, 4- zero sequence current mutual inductor, 5-
Operating mechanism, 6- entrance bushing, 7- outlet casing tube, 8- aviation plug, 9- gas tank shell, 10- mechanism case, 11- energy accumulation handle,
12- Manual operation handle, the instruction of 13- divide-shut brake, 14- cable, box FTU, 17- voltage transformer of 15- bell-jar FTU, 16-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of one or two fusion outdoor SF6 gas breakers, including killer switch 1,
Zero sequential potential transformer 2, phase current mutual inductor 3, zero sequence current mutual inductor 4, entrance bushing 6, outlet casing tube 7, gas tank shell 9,
Mechanism case 10 and voltage transformer 17,
Killer switch 1 is installed in the gas tank shell 9, the moved end of killer switch 1 and static side respectively with entrance bushing 6 and
The electrical connection of outlet casing tube 7, entrance bushing 6 and outlet casing tube 7 are separately mounted to two side positions of gas tank shell 9, and inlet wire set
Connecting terminal on pipe 6 and outlet casing tube 7 needs to meet one or two fusion standardisation requirements, is mainly used for the electricity of overhead transmission line
Connection；
Zero sequential potential transformer 2, phase current mutual inductor 3 and zero sequence current mutual inductance are also equipped on the inner wall of the gas tank shell 9
Device 4, wherein the primary connection terminal of zero sequential potential transformer 2 is electrically connected outlet casing tube 7, residual voltage mutual inductance by a conducting wire
The secondary wiring terminals of device 2 are electrically connected aviation plug 8 by secondary wiring, and aviation plug 8 is mounted on mechanism case 10, mechanism case
10 are fixed at a side position of gas tank shell 9, and phase current mutual inductor 3 is sleeved on outlet casing tube 7, and phase current mutual inductor 3
Secondary wiring terminals pass through secondary wiring be electrically connected aviation plug 8；Zero sequence current mutual inductor 4 is sleeved on entrance bushing 6, and zero
The secondary wiring terminals of sequence current transformer 4 are electrically connected aviation plug 8 by secondary wiring；
The voltage transformer 17 is mounted at a side position of gas tank shell 9, and voltage transformer 17 is double winding mutual induction of voltage
Device, according to killer switch 1 in overhead transmission line function option and installment 1-2 platform voltage transformer 17, each voltage transformer
17 all have 1 road power supply and 1 route voltage signal, and primary connection terminal and the entrance bushing 6 of voltage transformer 17 are electrically connected
It connects, 17 secondary wiring of voltage transformer is electrically connected FTU mechanism；
The main shaft of operating mechanism 5 and killer switch 1 link in the mechanism case 10, i.e., can drive when operating mechanism 5 acts
Killer switch 1 carries out on/off switch operation, and operating mechanism 5 here is the intrinsic component belonged in mechanism case 10, the present embodiment
It does not make improvements, therefore, just operating mechanism 5 is not specifically described and is defined herein, in operating mechanism 5
Control route is electrically connected with aviation plug 8；
The aviation plug 8 is connect by cable 14 with FTU mechanism, FTU mechanism, that is, panel switches monitor terminal, includes telemetering mould
Block, remote signal module, remote control module, line loss module etc., can meet that three is distant, two telekinesis are required and performance simultaneously；FTU mechanism with
Information transmitting and long-range monitoring control are realized in remote monitoring platform connection, and FTU mechanism is by unified aviation plug 8 each mutual inductance
The signals such as the voltage and current of the acquisitions such as device and sensor are collected processing analysis record, reliable judgement, detection zero-sequence current and
Phase fault electric current, to realize automatic excision singlephase earth fault and phase fault；Meanwhile record one or two times in real time
The operation information (three-phase voltage, electric current, frequency, power factor, line loss etc.) of breaker is merged, so as to current failure
Retrospect and one or two fusion breakers are accurately controlled；In addition remote monitoring platform is also able to achieve to killer switch 1
Long-range control, improve troubleshooting timeliness, guarantee power supply system operation safety and stability.
Embodiment 2
On the basis of embodiment 1, the present embodiment continues to carry out into one the components such as FTU mechanism, mechanism case 10 in embodiment 1
The restriction of step, specific:
The FTU mechanism is bell-jar FTU15 or box FTU16, is matched according to particular condition in use.
The mechanisms behaviour such as energy accumulation handle 11, Manual operation handle 12 and divide-shut brake instruction 13 are also equipped on the mechanism case 10
Make and indicate components, preferably, fluorescent material is coated in divide-shut brake instruction 13, even if the feelings bad in night light
It can also be recognized under condition convenient for personnel.
It should be strongly noted that in the technical program, killer switch 1, zero sequential potential transformer 2, phase current mutual inductance
Device 3, zero sequence current mutual inductor 4, entrance bushing 6, outlet casing tube 7, gas tank shell 9, mechanism case 10 and voltage transformer 17 etc. are equal
For the application of the prior art, and by FTU mechanism and the organic assembling of above structure it is the innovative point of the application, with volume
The advantages of small, light-weight, low energy consumption, and realize metering, protection, zero-sequenceprotection, data acquisition transmission and electriferous state digitlization
The functions such as detection are provided with line loss module in FTU mechanism, can acquire ETC, EVT signal, can measure three-phase voltage, electric current, frequency
The electric energy parameter value such as rate, power factor realizes protection control function and communication function；The outdoor breaker Overall Design Standards,
Functional module is independent, equipment is exchanged flexibly, solves the telesignalling dithering faced in Distribution Automation Construction, the compatibility of a second interface
Property and scaling concern.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (3)
1. a kind of one or two fusion outdoor SF6 gas breakers, including killer switch (1), zero sequential potential transformer (2), phase current
Mutual inductor (3), zero sequence current mutual inductor (4), entrance bushing (6), outlet casing tube (7), gas tank shell (9), mechanism case (10) and
Voltage transformer (17), which is characterized in that be equipped with killer switch (1) in the gas tank shell (9), killer switch (1)
Moved end and static side be electrically connected respectively with entrance bushing (6) and outlet casing tube (7), entrance bushing (6) and outlet casing tube (7) are respectively
It is mounted on two side positions of gas tank shell (9)；
Zero sequential potential transformer (2), phase current mutual inductor (3) and zero sequence electricity are also equipped on the inner wall of the gas tank shell (9)
Current transformer (4), wherein the primary connection terminal of zero sequential potential transformer (2) is electrically connected outlet casing tube (7) by a conducting wire,
The secondary wiring terminals of zero sequential potential transformer (2) are electrically connected aviation plug (8) by secondary wiring, aviation plug (8) installation
On mechanism case (10), mechanism case (10) is fixed at a side position of gas tank shell (9), and phase current mutual inductor (3) is sleeved on
On outlet casing tube (7), and the secondary wiring terminals of phase current mutual inductor (3) are electrically connected aviation plug (8) by secondary wiring；Zero
Sequence current transformer (4) is sleeved on entrance bushing (6), and the secondary wiring terminals of zero sequence current mutual inductor (4) are led by secondary
Line is electrically connected aviation plug (8)；
The voltage transformer (17) is mounted at a side position of gas tank shell (9), the primary connection of voltage transformer (17)
Terminal is electrically connected with entrance bushing (6), and voltage transformer (17) is electrically connected FTU mechanism by secondary wiring；
The main shaft of the interior operating mechanism of the mechanism case (10) (5) and killer switch (1) are linked, the control in operating mechanism (5)
Route is electrically connected with aviation plug (8)；
The aviation plug (8) is connect by cable (14) with FTU mechanism, and FTU mechanism is connect with remote monitoring platform；
The voltage transformer (17) is double winding voltage transformer；
The FTU mechanism is bell-jar FTU15 or box FTU16.
2. a kind of one or two fusions outdoor SF6 gas breaker according to claim 2, which is characterized in that the mechanism case
(10) energy accumulation handle (11), Manual operation handle (12) and divide-shut brake instruction (13) are also equipped on.
3. a kind of one or two fusions outdoor SF6 gas breaker according to claim 3, which is characterized in that the divide-shut brake refers to
Show and is coated with fluorescent material on (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811173696.2A CN109119283A (en) | 2018-10-09 | 2018-10-09 | A kind of one or two fusion outdoor SF6 gas breakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811173696.2A CN109119283A (en) | 2018-10-09 | 2018-10-09 | A kind of one or two fusion outdoor SF6 gas breakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109119283A true CN109119283A (en) | 2019-01-01 |
Family
ID=64857640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811173696.2A Withdrawn CN109119283A (en) | 2018-10-09 | 2018-10-09 | A kind of one or two fusion outdoor SF6 gas breakers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109119283A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884454A (en) * | 2019-03-27 | 2019-06-14 | 国网电力科学研究院武汉南瑞有限责任公司 | The intelligent pole-mounted circuit breaker of one or two fusions of one kind and cable monitoring system |
| CN110780255A (en) * | 2019-11-19 | 2020-02-11 | 国网湖北省电力有限公司电力科学研究院 | Secondary electrical measurement system for circuit breaker on primary and secondary fusion complete set of column |
| CN113295993A (en) * | 2021-05-20 | 2021-08-24 | 中国南方电网有限责任公司超高压输电公司柳州局 | On-line monitoring device and method for opening and closing operation position states of circuit breaker |
-
2018
- 2018-10-09 CN CN201811173696.2A patent/CN109119283A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884454A (en) * | 2019-03-27 | 2019-06-14 | 国网电力科学研究院武汉南瑞有限责任公司 | The intelligent pole-mounted circuit breaker of one or two fusions of one kind and cable monitoring system |
| CN110780255A (en) * | 2019-11-19 | 2020-02-11 | 国网湖北省电力有限公司电力科学研究院 | Secondary electrical measurement system for circuit breaker on primary and secondary fusion complete set of column |
| CN113295993A (en) * | 2021-05-20 | 2021-08-24 | 中国南方电网有限责任公司超高压输电公司柳州局 | On-line monitoring device and method for opening and closing operation position states of circuit breaker |
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Application publication date: 20190101 |