CN206023196U - A kind of intelligent switch with unidirectional ground connection direction protection - Google Patents
A kind of intelligent switch with unidirectional ground connection direction protection Download PDFInfo
- Publication number
- CN206023196U CN206023196U CN201620962838.3U CN201620962838U CN206023196U CN 206023196 U CN206023196 U CN 206023196U CN 201620962838 U CN201620962838 U CN 201620962838U CN 206023196 U CN206023196 U CN 206023196U
- Authority
- CN
- China
- Prior art keywords
- zero
- sequence current
- jack
- mutual inductor
- control device
- 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.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
This utility model is related to intelligent power distribution electric power network technique field, more particularly to a kind of intelligent switch with unidirectional ground connection direction protection, it mainly solves when one-way earth fault occurs in circuit in prior art and can not prepare to report to the police circuit, the problem of cut-out, including control device, zero sequential potential transformer, zero sequence current mutual inductor, intelligent breaker, connection cable, the zero sequence current mutual inductor is connected with the three-phase end of incoming cables of intelligent breaker respectively, the other end of the zero sequence current mutual inductor is connected with three-phase circuit power supply, one end of the zero sequential potential transformer is connected with control device by connection cable, the control device is connected with the control cable coupling box of intelligent breaker by connection cable, the other end of the zero sequential potential transformer is connected with three-phase circuit power supply.
Description
Technical field
This utility model is related to intelligent power distribution electric power network technique field, more particularly to a kind of intelligence with unidirectional ground connection direction protection
Can switch.
Background technology
When breaking down inside the user that 10kV overhead distribution T connect, such as failure enters line segment at which, though or failure generation
On the inside of subscriber's drop switch, but its protection act time limit can cause to become not at that time, with transformer station's outlet switch protection cooperation
Power station outlet switch protection breaking.If nature of trouble is permanent, transformer station's unsuccessful reclosing, then in Middle Voltage circle
Accident whole piece distribution line will be made to have a power failure, this common in power distribution network involve accident, baneful influence will result in society.
Utility model content
Therefore, for above-mentioned problem, this utility model provides a kind of intelligent switch with unidirectional ground connection direction protection, it
Mainly solve in prior art can not prepare circuit is carried out reporting to the police when in circuit, one-way earth fault occurs, asking of cutting off
Topic.
For achieving the above object, this utility model employs technical scheme below：A kind of with unidirectional ground connection direction protection
Intelligent switch, including control device, zero sequential potential transformer, zero sequence current mutual inductor, intelligent breaker, connection cable, described
Zero sequence current mutual inductor is connected with the three-phase end of incoming cables of intelligent breaker respectively, the other end of the zero sequence current mutual inductor and three
Circuitry phase power supply connects, and one end of the zero sequential potential transformer is connected with control device by connection cable, the control dress
Put and be connected with the control cable coupling box of intelligent breaker by connection cable, the other end of the zero sequential potential transformer and three
Circuitry phase power supply connects.
Further, the control device includes casing, is provided with circuit board in the casing, on the circuit board respectively
CPU processor, data receiver storage module, wireless module is provided with, antenna jack, zero sequence electricity on the casing, is respectively arranged with
Current transformer band automatic short circuit jack, supply hub, zero sequential potential transformer connection jack, ground hole, the zero-sequence current are mutual
Sensor band automatic short circuit jack and zero sequential potential transformer connection jack are connected with data receiver storage module respectively, the antenna
Jack is connected with wireless module.
Further, the zero sequence current mutual inductor band automatic short circuit jack and zero sequential potential transformer connection jack pass through
Aviation plug is connected with connection cable.
By adopting preceding solution, the beneficial effects of the utility model to be：This intelligence with unidirectional ground connection direction protection
Can switch by arranging zero sequence current mutual inductor and zero sequential potential transformer to circuit maintenance monitoring, to zero sequence current mutual inductor and
The data transmitted by zero sequential potential transformer are sent to control device, by the fortune of the setting program decision circuitry in control device
Market condition, when ground short circuit situation occurs, control device control intelligent breaker is cut off to circuit, can determine failure as early as possible
Circuit, reduces power failure range as far as possible, further improves power supply reliability, and isolation accident is interval in time, rapid and accurate
Place where the accident occurred point is found, fault impact is controlled in minimum, is easy to tour personnel quickly to select faulty line, is easy to run
Personnel take measures to be processed in time, mitigate significantly the workload of operations staff；Further, by specific jack to passing
Defeated information is collected, stores, analyzes and processes and sends action, so as to the safety of supervisory circuit；Further, aviation plug is carried
The pressure performance of high interface, plays insulating effect, prevents leaky from occurring.
Description of the drawings
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is control device structural representation in this utility model embodiment；
Fig. 3 is the module map of this utility model embodiment.
Specific embodiment
This utility model is further illustrated in conjunction with the drawings and specific embodiments.
This utility model embodiment is：
Referring to figs. 1 to Fig. 3, a kind of intelligent switch with unidirectional ground connection direction protection, including control device 1, residual voltage
Transformer 2, zero sequence current mutual inductor 3, intelligent breaker 4, connection cable 5, the zero sequence current mutual inductor 3 are disconnected with intelligence respectively
The three-phase end of incoming cables connection of road device 4, the other end of the zero sequence current mutual inductor 3 are connected with three-phase circuit power supply, the zero sequence
One end of voltage transformer 2 is connected with control device 1 by connection cable 5, and the control device 1 is by connection cable 5 and intelligence
The control cable coupling box connection of energy chopper 4, the other end of the zero sequential potential transformer 2 are connected with three-phase circuit power supply,
The control device 1 includes casing 11, is provided with circuit board 12, is respectively arranged with the circuit board 12 in the casing 11
CPU processor 13, data receiver storage module 14, wireless module 15, are respectively arranged with antenna jack 16, zero on the casing 11
Sequence current transformer band automatic short circuit jack 17, supply hub 18, zero sequential potential transformer connection jack 19, ground hole 20, institute
State zero sequence current mutual inductor band automatic short circuit jack 17 and zero sequential potential transformer connection jack 19 is stored with data receiver respectively
Module 14 connects, and the antenna jack 16 is connected with wireless module 15, the zero sequence current mutual inductor band automatic short circuit jack 17
Connect jack 19 with zero sequential potential transformer to be connected with connection cable 5 by aviation plug 6.
Working method of the present utility model is：The beneficial effects of the utility model are：This is with unidirectional ground connection direction protection
Intelligent switch is monitored to circuit maintenance by arranging zero sequence current mutual inductor 3 and zero sequential potential transformer 2, to zero sequence current mutual inductance
The data transmitted by device 3 and zero sequential potential transformer 2 are sent to control device 1, are judged by the setting program in control device 1
The ruuning situation of circuit, when ground short circuit situation occurs, the control intelligent breaker of control device 1 is cut off to circuit, can be to the greatest extent
Fast determination faulty line, reduces power failure range as far as possible, further improves power supply reliability, and isolation accident interval, fast in time
Speed and accurately find place where the accident occurred point, by fault impact control in minimum, be easy to tour personnel quickly to select fault wire
Road, is easy to operations staff to take measures in time to be processed, and mitigates significantly the workload of operations staff.
Although specifically showing and describing this utility model in conjunction with preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope of the present utility model limited without departing from appended claims, in form and details
On this utility model can be made a variety of changes, be protection domain of the present utility model.
Claims (2)
1. a kind of with the unidirectional intelligent switch for being grounded direction protection, it is characterised in that：Including control device, residual voltage mutual inductance
Device, zero sequence current mutual inductor, intelligent breaker, connection cable, the zero sequence current mutual inductor respectively with intelligent breaker three
Phase end of incoming cables connects, and the other end of the zero sequence current mutual inductor is connected with three-phase circuit power supply, the zero sequential potential transformer
One end be connected with control device by connection cable, control electricity of the control device by connection cable and intelligent breaker
Cable rosette connects, and the other end of the zero sequential potential transformer is connected with three-phase circuit power supply；The control device includes case
Body, is provided with circuit board in the casing, is respectively arranged with CPU processor, data receiver storage module, nothing on the circuit board
Wire module, be respectively arranged with the casing antenna jack, zero sequence current mutual inductor band automatic short circuit jack, supply hub, zero
Sequence voltage transformer connection jack, ground hole, the zero sequence current mutual inductor band automatic short circuit jack and zero sequential potential transformer
Connection jack is connected with data receiver storage module respectively, and the antenna jack is connected with wireless module.
2. according to claim 1 with the unidirectional intelligent switch for being grounded direction protection, it is characterised in that：The zero-sequence current
Transformer band automatic short circuit jack and zero sequential potential transformer connection jack are connected with connection cable by aviation plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620962838.3U CN206023196U (en) | 2016-08-27 | 2016-08-27 | A kind of intelligent switch with unidirectional ground connection direction protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620962838.3U CN206023196U (en) | 2016-08-27 | 2016-08-27 | A kind of intelligent switch with unidirectional ground connection direction protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023196U true CN206023196U (en) | 2017-03-15 |
Family
ID=58252359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620962838.3U Expired - Fee Related CN206023196U (en) | 2016-08-27 | 2016-08-27 | A kind of intelligent switch with unidirectional ground connection direction protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206023196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638469A (en) * | 2020-04-20 | 2020-09-08 | 广东电网有限责任公司 | Disconnection fault analysis and positioning method based on DMS system |
-
2016
- 2016-08-27 CN CN201620962838.3U patent/CN206023196U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638469A (en) * | 2020-04-20 | 2020-09-08 | 广东电网有限责任公司 | Disconnection fault analysis and positioning method based on DMS system |
| CN111638469B (en) * | 2020-04-20 | 2022-07-26 | 广东电网有限责任公司 | Disconnection fault analysis and positioning method based on DMS system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20170827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |