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 PDF

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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
control
sequence current
jack
mutual inductor
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
Application number
CN201620962838.3U
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Chinese (zh)
Inventor
邱振敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhangping Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
Zhangping Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhangping Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical Zhangping Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority to CN201620962838.3U priority Critical patent/CN206023196U/en
Application granted granted Critical
Publication of CN206023196U publication Critical patent/CN206023196U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7853
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/20Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems 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
    • Y04S40/12Systems 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
    • Y04S40/126Systems 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

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

A kind of intelligent switch with unidirectional ground connection direction protection
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.
CN201620962838.3U 2016-08-27 2016-08-27 A kind of intelligent switch with unidirectional ground connection direction protection Expired - Fee Related CN206023196U (en)

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)

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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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170315

Termination date: 20170827