CN206132904U - Novel wisdom fault indication system of 10kv circuit - Google Patents
Novel wisdom fault indication system of 10kv circuit Download PDFInfo
- Publication number
- CN206132904U CN206132904U CN201620825200.5U CN201620825200U CN206132904U CN 206132904 U CN206132904 U CN 206132904U CN 201620825200 U CN201620825200 U CN 201620825200U CN 206132904 U CN206132904 U CN 206132904U
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- fault
- radio station
- circuit
- data radio
- wisdom
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Locating Faults (AREA)
Abstract
The utility model discloses a novel wisdom fault indication system of 10kv circuit, include the circuit breaker of being connected with the transformer substation to and the data radio station monitoring device who is connected with the circuit breaker, with the upper management system that data radio station monitoring device is connected, reach the setting of passing through the zigBee sensor network connection fault indication unit on the electric wire way, the fault indication unit include the relay in measuring unit, global function equipment node and the global function equipment node of simple equipment node. The utility model provides an add the fault indication system based on the distribution lines fault indicator of singlechip of information -based technique, can judge through the trouble condition to the circuit that automated processing is more accurate, no longer single judge just that instantaneity is with permanent fault and can judge the trouble that leads to because of which kind of concrete reason, can carry out the trouble control, the orientation inspect work and the trouble repair work of the outdoor mountain area distribution lines trouble of some daily management difficulties of being convenient for for the environment abominable condition in daily management difficulty or line erection district is automatic to the circuit the some.
Description
Technical field
This utility model design power failure device systems field, specially a kind of wisdom failure of new 10kv circuits refers to
Show system.
Background technology
The integrated system that power system is made up of equipment such as generating, transmission of electricity, power transformation, power supply, distribution.Wherein.Power distribution network
As the tie linked between user and power supply department, will couple together between ultra-high-tension power transmission line and low-voltage customer, power distribution network
Important task is exactly the electric energy for providing a user with high-quality, high reliability.
It is not only increasing to the demand of electric energy with the fast development of people's living standard and social economy, and very
Requirement of the multiple enterprises to the quality of power supply also more and more higher.In order to ensure the supply of electric energy, electric network composition is also increasingly sophisticated, power train
The scale expanding day of system, electrical network has even closer contact between each region.For the new feature of these power distribution networks, make
Obtain in electrical network in the event of failure, comparing simple power distribution network will produce bigger impact.In actual motion, power distribution network spreads all over city
City, rural area and mountain area, undergo all the year round the impact such as thunder and lightning, wind and rain frost weather and increasingly harsh environmental pollution, along with one
A little uncertain anthropic factors, the probability that it breaks down is very high.There is statistical data to show, the failure in most electrical network is all
Occur in power distribution network.After breaking down in electrical network, power failure etc. is inevitably caused to affect on some users, this will be direct
Normal production on daily life and every profession and trade produces impact, may for the enterprise of some dependence continued powers
Produce more serious consequence.After this all illustrates inevitably to be broken down in electrical network, should as soon as possible find failure, eliminate
Failure simultaneously restores electricity.Complete above-mentioned work, it is necessary first to judge the region that may break down, distinguish failure in electrical network
Property, that is, usually said fault diagnosis and fault location.
10kV overhead transmission lines branch is more, and the method for operation is complicated, or prepare development ＆ construction region circuit it is many, power
Half path length, major part are emanant supply line, and the workload of maintenance line is larger, and the lookup of failure is wasted time and energy, to electric power
Systematic economy, reliability service bring very hang-up.Although through technological transformation in recent years, such as some circuits are handed in hand
Formula looped network connects, and center line is changed to insulated conductor etc., and external force resistance damage capability is strengthened；The fault detector of distribution line system
It is exactly briefly a kind of by the overhead distribution line, installed in the electric power cabinet and electricity of distribution line system
A kind of fault current detection circulation device on power switch.There is the accident indicator of power circuit just can be in distribution line
Rapid automatic alarm after breaking down, allows the region that staff can more quickly find line fault to investigate out event
The particular location of barrier, the function in general all also with short circuit identification and earth fault identification.The failure of distribution line refers to
Show that utensil has the function and ability to being resetted after permanent line fault reparation, for the interim instantaneous distribution for occurring
Line fault also can be resetted according to the artificial given time；This makes it possible to allow feeder line fault to have time enough
Find and repair；The fault detector of distribution line is gone out using can not just allow the nonaction caused because excitation is through-flow later
It is existing, will not thus allow the patrolman of feeder line fault to remove the line walking of blindness, can when circuit is broken down really
Allow the time of trouble-shooting point greatly to reduce, be easy to the difficulty of circuit patrolman inspection work and repair, it is maximum
Possible to reduce failure and occur be time that distribution line has a power failure, and such distribution line failure indicator can just improve distribution
The stable and reliability of line system.
But 10kV overhead transmission line accidents still happen occasionally, and are especially limited by the technical bottleneck of failure device, for 10kv
Fault-indicating system still cannot realize it is well perfect.
The content of the invention
Therefore, in order to overcome above-mentioned deficiency of the prior art, this utility model is there is provided a kind of addition informationization technology
SCM Based distribution line failure indicator fault-indicating system, can be more accurately right by automatic business processing
The failure condition of circuit is judged that no longer single simply judges instantaneity and permanent fault and can interpolate that because of which kind of
Failure caused by concrete reason；Can be automatic in the situation of some artificial daily managements difficulties or construction of line area bad environments
Failure monitoring is carried out to circuit, be easy to the position monitor work of the difficult outdoor mountain area distribution line failure of some daily managements with
And the wisdom fault-indicating system of the new 10kv circuits of fault repair work.
What the purpose of this utility model was realized in：
The wisdom fault-indicating system of new 10kv circuits, including the chopper 2 being connected with transformer station 1, and with open circuit
The data radio station supervising device of the connection of device 2, the upper management system being connected with data radio station supervising device, and passed by ZigBee
The fault indication unit being arranged in electric line of the sense connection of network 7；Described fault indication unit includes simple device node
Measuring unit 9, full-function device node 8 and full-function device node in relay 10；
Described measuring unit 9 includes intelligent trouble indicator and RF transceiver；
The first data radio station 3 that described data radio station supervising device is connected with chopper 2 and measuring unit 9 and with it is upper
Second data radio station 4 of position management system connection；Pass through radio frequency between described the first data radio station 3 and the second data radio station 4
Connection；
Described upper management system includes the main frame 5 being connected with the second data radio station 4, is connected by gateway 6 with main frame 5
Tnternet networks；
Described intelligent trouble indicator includes and filters and voltage and current signal a that modulation circuit b is connected and multichannel turn
Change analog switch c；Described multipath conversion analog switch c connection AD sampling module d, AD sampling modules d connection RAM cache modules
E, RAM cache module e connects CPU processor f, CPU processor f connection radio receiving transmitting module h；Described CPU processor f is simultaneously
Connection display circuit m, mass storage module j；
Described filtering and modulation circuit b has frequency measurement circuit k and triggers circuit I with CPU processor f middle settings.
Positive beneficial effect：(1) a set of short circuit fault of power distribution network intelligently instruction, alignment system, fault detector are devised
Used as failure data acquisition equipment, the method combined using wireless radio-frequency and ZigBee sensor-based network technologies constitutes failure
Information sensing network, fault locating analysis center, the party are sent to eventually through data radio station by fault detector action signal
Case saves the operating communication expense of system on the premise of communication quality is ensured.(2) in short trouble context of detection, by microcomputer
Protection philosophy is introduced in the designing technique of fault detector, using detection electric current ratio-change If/IO (fault current and load current
Ratio) mutation value method and combined circuit tripping operation power failure detecting short trouble, this ratio-change mutation value is according to failure
The built-in curved line arithmetic of indicator is simultaneously adjusted according to the size automatic dynamic of load current, overcomes " current break method " employing
The static changeless defect of current break value, thus by line construction, management mode, geographical environment, even run
The impact at moment, fundamentally overcomes in the market based on excessively stream method or the indicating fault of " current break method " design principle
False alarm or fail to report alert defect that device is present, therefore short trouble detection is accurately and reliably.(3) take out in power distribution network topological relation
As the annexation of the indicator that is out of order, power distribution network can be clearly and succinctly depicted by the annexation of fault detector
Structure, and the neighbouring relations for automatically deriving fault detector are built by figure, in the case where the power distribution network method of operation changes
New fault detector neighbouring relations can be automatically generated.(4) recognizable vector is employed in combination with boolean calculation
Old attribute reduction algorithms carry out yojan to original decision table, have obtained information redundance's very little and have had the yojan decision-making of high fault tolerance
Table, by the analysis to power distribution network reduction rules are extracted, and can directly generate original decision-making with the neighbouring relations of fault detector
Table and yojan decision table.(5) the characteristics of analyzing fault mode under single fault and multiple failure, it is proposed that one kind adapts to multiple event
The method for diagnosing faults of barrier.
Description of the drawings
Fig. 1 is system block diagram of the present utility model；
Fig. 2 is intelligent trouble indicator fundamental diagram of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings, this utility model is described further：
As shown in figure 1, the wisdom fault-indicating system of new 10kv circuits, including the chopper 2 being connected with transformer station 1,
And the data radio station supervising device being connected with chopper 2, the upper management system being connected with data radio station supervising device, and it is logical
Cross the fault indication unit being arranged in electric line of the connection of ZigBee sensing networks 7；Described fault indication unit includes letter
Set up the relay 10 in measuring unit 9, full-function device node 8 and the full-function device node of slave node；
Described measuring unit 9 includes intelligent trouble indicator and RF transceiver；
The first data radio station 3 that described data radio station supervising device is connected with chopper 2 and measuring unit 9 and with it is upper
Second data radio station 4 of position management system connection；Pass through radio frequency between described the first data radio station 3 and the second data radio station 4
Connection；
Described upper management system includes the main frame 5 being connected with the second data radio station 4, is connected by gateway 6 with main frame 5
Tnternet networks；
As shown in Fig. 2 described intelligent trouble indicator includes and the voltage and current signal for filtering and modulation circuit b is connected
A and multipath conversion analog switch c；Described multipath conversion analog switch c connection AD sampling module d, AD sampling modules d connections
RAM cache module e, RAM cache modules e connect CPU processor f, CPU processor f connection radio receiving transmitting module h；Described CPU
Processor f connects display circuit m, mass storage module j simultaneously；
Described filtering and modulation circuit b has frequency measurement circuit k and triggers circuit I with CPU processor f middle settings.
Fault detector has display function, and fault detector detects fault current, fault detector after breaking down
Itself indicate that work provides display, and data, action situation and the address for detecting fault detector using communication unit
Coding information sends the DTU data terminals to cell, then is sent out the fault detector information in cell by DTU data terminals
Deliver to fault location center.
Fault detector is all electricity when failure is obtained using the sensor for measuring electromagnetic field and by non-contacting mode
Stream and information of voltage, carry out analog digital conversion, in processing unit by the signal after signal conditioning circuit into A/D converter
The information obtained after processing just now is integrated with the address information of fault detector, is sent out data by radio receiving transmitting module
See off.According to meet the requirement of General System design function design fault detector mainly by measurement sensor module, signal
Conditioning module, CPU processing modules, mass storage module module etc. are constituted.
Design error failure indicator work thinking be：In systems during normal non-fault, fault detector is only to circuit
Voltage, current value are sampled, then are stored data in by dma mode in the RAM of CPU, and its CPU is in a dormant state；When
When breaking down in system, the CPU of fault detector is activated, and using DTU data terminals in wireless communication module and cell
Unit conducts interviews, and DTU is received other fault detectors in cell are conducted interviews after action message, collects fault detector
The information such as action signal, these information are being passed through into data radio station (433MHZ) it is sent to fault location center, indicating fault
Device reenters resting state after above-mentioned task is completed.This prolonged resting state can also extend the electricity of fault detector
Pond use time, so as to reduce the maintenance time and maintenance cost of fault diagnosis system.
This utility model main innovation point and the subject matter for solving are as follows：
(1) a set of short circuit fault of power distribution network intelligently instruction, alignment system are devised, fault detector is adopted as fault data
Collection equipment, the method combined using wireless radio-frequency and ZigBee sensor-based network technologies constitutes fault message sensing network,
Fault detector action signal is sent to into fault locating analysis center eventually through data radio station, the program is ensureing communication matter
The operating communication expense of system is saved on the premise of amount.
(2) in short trouble context of detection, Microcomputer Protection principle is introduced in the designing technique of fault detector, using inspection
The method and combined circuit for surveying the electric current ratio-change If/IO ratio of load current (fault current with) mutation value trips power failure to examine
Survey short trouble, this ratio-change mutation value according to the built-in curved line arithmetic of fault detector and according to the size of load current from
Dynamic dynamic tuning, overcomes the static changeless defect of current break value of " current break method " employing, therefore does not receive circuit
Structure, management mode, geographical environment, the impact of even time of running, fundamentally overcome and were based in the market
False alarm or fail to report alert defect that the fault detector of stream method or " current break method " design principle is present, therefore short trouble
Detection is accurately and reliably.
(3) annexation of fault detector is taken out in power distribution network topological relation, by the connection of fault detector
Relation can clearly and succinctly be depicted the structure of power distribution network, and the adjacent pass for automatically deriving fault detector is built by figure
System, in the case where the power distribution network method of operation changes new fault detector neighbouring relations can be automatically generated.
(4) employ old attribute reduction algorithms of the recognizable vector in combination with boolean calculation is carried out to original decision table
Yojan, has obtained information redundance's very little and has had the yojan decision table of high fault tolerance, is extracted about by the analysis to power distribution network
Simple rule, can directly generate original decision table and yojan decision table with the neighbouring relations of fault detector.
(5) a kind of the characteristics of analyzing fault mode under single fault and multiple failure, it is proposed that event of adaptation multiple failure
Barrier diagnostic method.
Social benefit is analyzed：As the level of power network schedule automation constantly develops, grid dispatching center is widely used
EMS and (EMS) data acquisition monitoring system (SCADA), also apply various monitoring devices to electrical network in electrical network
Operation is monitored.When breaking down in electrical network, the operation shape of substantial amounts of warning message and electrical network can be received in control centre
State parameter.Especially when electrical network occurs complex fault situation, sufficiently complex fault message will be produced.Simultaneously as therefore
The reason for barrier indicator malfunction situation or communication quality, causing trouble information there is also certain uncertainty, that is, adjust
The signal received at heart in degree is likely to be wrong, or even the signal received under some serious conditions is possibly incomplete
's.Staff is required by reading untreated and enormous amount fault message, at short notice correctly to failure
Type and fault zone judge clearly very difficult thing.And fault location system can be by computer to failure
Information is processed, and draws the failure conclusion with certain accuracy and interpretability, and fault diagnosis point is carried out to staff
Analysis serves good assosting effect.
Economic and Efficiency Analysis：The system is sent such information to by gathering fault alarm, stopping power transmission status information
Main website center, the data statisticss, analysis, topology through center are calculated, and just can determine fault zone, and help staff fast
Speed accurately finds trouble point 11.In order to realize the contribution of information, trouble point information can be notified related by the device in note form
Personnel, it is efficiently quick.Substantially increase the ability that power department rushes to repair circuit.
China's transmission line of electricity distribution is extremely extensive, and circuit span is also very big.Run in rugged environment, break down
It is difficult to position.The general method for searching line fault is first to disconnect after branch line chopper, and then power transmission of first trying searches step by step
Recovery does not have faulty other circuits.Or alternate or remote measurement over the ground is carried out using insulation tester segmentation, so reduce and look into
Look for fault coverage.These are required for spending substantial amounts of manpower and time, and electric power is the indispensable energy of people, the time of power failure
Longer, the economic loss brought to all circles is bigger.Fault indicator for overhead lines has obviously economic benefit.For
For power department, electricity sales amount can be increased, for the production of people, it is possible to reduce the loss that damp production brings.To people
Life for, can quickly recover normal.
Above-described embodiment is merely to illustrate the technical scheme rather than be limited that this utility model is embodied as, affiliated
The those of ordinary skill of technical field it should be understood that on the premise of without prejudice to this utility model objective, do not change its performance or
Any equivalent substitute or obvious modification that purposes is carried out to embodiment of the present utility model, all should cover please in this utility model
Ask in the range of protection.
Claims (6)
1. the wisdom fault-indicating system of new 10kv circuits, it is characterised in that：Including the chopper being connected with transformer station (1)
(2) the data radio station supervising device, and with chopper (2) being connected, the upper management system being connected with data radio station supervising device
System, and the fault indication unit being arranged in electric line connected by ZigBee sensing networks (7)；Described indicating fault list
Unit includes the network trunk in measuring unit (9), full-function device node (8) and the full-function device node of simple device node
Device (10).
2. the wisdom fault-indicating system of new 10kv circuits according to claim 1, it is characterised in that：Described measurement
Unit (9) is including intelligent trouble indicator and RF transceiver.
3. the wisdom fault-indicating system of new 10kv circuits according to claim 1, it is characterised in that：Described number biography
The first data radio station (3) and connect with upper management system that radio station supervising device is connected with chopper (2) and measuring unit (9)
The second data radio station (4) for connecing；Connected by radio frequency between described the first data radio station (3) and the second data radio station (4).
4. the wisdom fault-indicating system of the new 10kv circuits according to claim 1 or 3, it is characterised in that：Described
Upper management system includes the main frame (5) being connected with the second data radio station (4), is connected by gateway (6) with main frame (5)
Tnternet networks.
5. the wisdom fault-indicating system of new 10kv circuits according to claim 2, it is characterised in that：Described intelligence
Fault detector includes and filters and voltage and current signal (a) that modulation circuit (b) is connected and multipath conversion analog switch (c)；
Described multipath conversion analog switch (c) connection AD sampling modules (d), AD sampling modules (d) connections RAM cache modules (e),
RAM cache modules (e) connects CPU processor f, CPU processor (f) connection radio receiving transmitting module (h)；Described CPU processor
F () is while connect display circuit (m), mass storage module (j).
6. the wisdom fault-indicating system of new 10kv circuits according to claim 5, it is characterised in that：Described filtering
And modulation circuit (b) has frequency measurement circuit (k) and triggers circuit (I) with CPU processor (f) middle setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620825200.5U CN206132904U (en) | 2016-08-02 | 2016-08-02 | Novel wisdom fault indication system of 10kv circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620825200.5U CN206132904U (en) | 2016-08-02 | 2016-08-02 | Novel wisdom fault indication system of 10kv circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132904U true CN206132904U (en) | 2017-04-26 |
Family
ID=58563302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620825200.5U Expired - Fee Related CN206132904U (en) | 2016-08-02 | 2016-08-02 | Novel wisdom fault indication system of 10kv circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206132904U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966629A (en) * | 2017-12-19 | 2018-04-27 | 广东电网有限责任公司韶关供电局 | A kind of line fault point detection device |
| CN111459721A (en) * | 2020-04-08 | 2020-07-28 | 中国长城科技集团股份有限公司 | Fault processing method and device and computer |
-
2016
- 2016-08-02 CN CN201620825200.5U patent/CN206132904U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966629A (en) * | 2017-12-19 | 2018-04-27 | 广东电网有限责任公司韶关供电局 | A kind of line fault point detection device |
| CN111459721A (en) * | 2020-04-08 | 2020-07-28 | 中国长城科技集团股份有限公司 | Fault processing method and device and computer |
| CN111459721B (en) * | 2020-04-08 | 2023-06-16 | 中国长城科技集团股份有限公司 | Fault processing method, device and computer |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20180802 |
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| CF01 | Termination of patent right due to non-payment of annual fee |