CN206209047U - Distribution network fault positioning device emulation platform - Google Patents
Distribution network fault positioning device emulation platform Download PDFInfo
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- CN206209047U CN206209047U CN201621319510.6U CN201621319510U CN206209047U CN 206209047 U CN206209047 U CN 206209047U CN 201621319510 U CN201621319510 U CN 201621319510U CN 206209047 U CN206209047 U CN 206209047U
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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 is related to a kind of distribution network fault positioning device emulation platform, including distribution terminal unit, fault locator, router and system main website；Distribution terminal unit includes pressure line monitoring device, DG monitoring devices and communication host；The signal output part of pressure line monitoring device, the signal output part of DG monitoring devices are connected by holding wire with the signal input side of fault locator respectively；The signal output side connection communication main frame of fault locator；Communication host passes through router connection system main website.The utility model provides that a kind of positioning precision is higher, and the good fault location platform of reliability may be implemented in and single-point and multipoint fault are accurately positioned in power distribution network containing DG, and has good fault-tolerant ability.
Description
Technical field
The utility model is related to system for distribution network of power FLT field, and more particularly to a kind of distribution network failure is determined
Position device simulation platform.
Background technology
Distributed power generation (DG) is widely used the features such as environment-friendly, economic and raising system reliability, but it connects
Enter the fault location also to power distribution network and bring certain influence, mainly include：The fault current of conventional electrical distribution net is only by main transformer power supply
There is provided, be one-way flow, DG is accessed and caused that fault current is changed into two-way flow；Secondly, when conventional electrical distribution net breaks down, only
There is fault current in main transformer power supply, after multiple DG are accessed, each DG can provide failure electricity to trouble point to the path of trouble point
Stream so that the number of lines that there is fault current greatly increases.
In implementation process, inventor has found that at least there are the following problems in conventional art：Failure is caused because DG is accessed
The flowing of electric current is complex, therefore dependence conventional art carries out fault location, and search speed is slow, and cannot be to power distribution network containing DG
Fault section be effectively accurately positioned in real time, is unfavorable for fixing a breakdown as early as possible.
Utility model content
Based on this, it is necessary to effectively accurately the section of distribution network failure containing DG can not be determined in real time for conventional art
A kind of problem of position, there is provided distribution network fault positioning device emulation platform.
To achieve these goals, the embodiment of technical solutions of the utility model is：
There is provided a kind of distribution network fault positioning device emulation platform, including distribution terminal unit, fault locator, road
By device and system main website；Distribution terminal unit includes pressure line monitoring device, DG monitoring devices and communication host；
The signal output part of pressure line monitoring device, the signal output part of DG monitoring devices are fixed by holding wire and failure respectively
The signal input side of position device is connected；The signal output side connection communication main frame of fault locator；Communication host passes through road
By device connection system main website.
Above-mentioned technical proposal has the advantages that：
The utility model distribution network fault positioning device emulation platform, can simulate simple distribution feeder fault location, and
Being accurately positioned for failure is realized by the treatment to related data；Wherein, DG monitoring devices can monitor the state of DG, obtain DG
Operation real time data, judge DG whether normal work, pressure line monitoring device can gather current signal, and used as fault location dress
The fault message initial data put, is carried out positioning feeder fault section by fault locator according to above-mentioned data, exports failure
Segment signals, and corresponding fault message is uploaded to system main website by communication host.The utility model provides a kind of positioning
Precision is higher, the good fault location platform of reliability, may be implemented in power distribution network containing DG to single-point and the standard of multipoint fault
It is determined that position, and have good fault-tolerant ability.
Brief description of the drawings
By being more particularly described for the preferred embodiment of the present utility model shown in accompanying drawing, it is of the present utility model on address
Other purposes, feature and advantage will become more fully apparent.Identical reference indicates identical part in whole accompanying drawings, and
Deliberately accompanying drawing is not drawn by actual size equal proportion scaling, it is preferred that emphasis is purport of the present utility model is shown.
Fig. 1 is the structural representation of the utility model distribution network fault positioning device emulation platform embodiment 1；
Fig. 2 is the structural representation of the specific embodiment of the utility model distribution network fault positioning device emulation platform one.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.First-selected embodiment of the present utility model is given in accompanying drawing.But, the utility model can come real in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
Open content more thorough comprehensive.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately
One element and it is in combination be integrated, or may be simultaneously present centering elements.Term as used herein " input side ",
" outlet side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all of combination of one or more related Listed Items.
The utility model distribution network fault positioning device emulation platform embodiment 1：
In order to solve the problems, such as that conventional art effectively can not be positioned accurately to the section of distribution network failure containing DG in real time,
A kind of distribution network fault positioning device emulation platform embodiment 1 is provided；Fig. 1 is imitative for the utility model distribution network fault positioning device
The structural representation of true platform embodiment 1；As shown in figure 1, can include distribution terminal unit 110, fault locator 120,
Router 130 and system main website 140；Distribution terminal unit 110 include pressure line monitoring device 112, DG monitoring devices 114 and
Communication host 116；
The signal output part of pressure line monitoring device 112, the signal output part of DG monitoring devices 114 respectively by holding wire with
The signal input side of fault locator 120 is connected；The signal output side connection communication main frame 116 of fault locator 120；
Communication host 116 passes through the connection system main website 140 of router 130.
In a specific embodiment, pressure line monitoring device is filled for power distribution automation line feed terminals SY20 line feed terminals
Put.
In a specific embodiment, DG monitoring devices are distributed monitoring system.
Specifically, the utility model can be realized being processed based on multiple dimensioned quantum wavelet transforms optimized algorithm fault location,
The utility model can include distribution terminal unit and system main website, and wherein distribution terminal unit can include monitoring device, DG
Monitoring device, fault locator and communication host；System main website can include router.The utility model can simulate letter
Single distribution feeder fault location：DG monitoring devices are used to monitor the state of DG, judge DG whether normal work, monitoring device is used for
Collection current signal, and used as the fault message initial data of fault locator, fault locator can be contained using inside
The fault location chip positioning feeder fault section of differential evolution algorithm, the fault section signal of output and the letter of panel indicator
The connection of number input, and fault message is uploaded to system main website by communication host.The utility model provides a kind of positioning accurate
Spend higher, the good fault location scheme of reliability.
In a specific embodiment, fault locator can include built-in services device；
The DG operations that fault message primary data that pressure line monitoring device will be monitored, DG monitoring devices will be detected are real-time
Data output gives built-in services device；Built-in services device enters according to fault message primary data and DG the operation real time data for receiving
Row fault section location, and the result of fault section location is exported to system main website by communication host.
Specifically, the function of fault locator can be realized (can passing through by the main frame of a cuff server
The hardware such as existing server or built-in chip is realized)；In an instantiation, the server can run multiple dimensioned amount
Sub- harmonic oscillator optimized algorithm, and fault location operation is carried out based on the multiple dimensioned quantum wavelet transforms optimized algorithm.
Wherein, pressure line monitoring device can be monitored to electric current in power distribution network, and it is contrasted with setting setting current
Generation by 0,1, -1 discrete data for constituting, in depositing in array X as fault message；It is the information by array X, seeks hair
The equipment of raw failure, by constructing object function F, is used to describe distribution network feeder actual conditions and expects the difference of failure situation；
Monitoring device is monitored using pressure line monitoring device to feeder current, and compares raw by the current setting with default
Into discrete fault information data, it is possible to achieve to the on-line monitoring of distribution network feeder current change.
DG monitoring devices can be monitored to the DG in power distribution network, the real time status information of display DG operations, for sentencing
Whether disconnected DG normally runs；
Fault locator can be based on fault location chip (i.e. internal server), excellent by multiple dimensioned quantum wavelet transforms
Changing algorithm carries out the positioning of faulted line segment.In the application stage, based on the object function of above-mentioned foundation, using multiple dimensioned quantum resonance
Sub- optimized algorithm, the minimum value to meeting object function F carries out optimizing in information array X, and realization is determined fault section
Position.In the case of thering is DG to be powered in power distribution network, when feeder line has at one and many places are broken down, it is considered to which information is passed
It is defeated to have the undistorted influence brought for positional accuracy, and carry out simulation analysis.Wherein, fault locator is using multiple dimensioned
Quantum wavelet transforms optimized algorithm (i.e. fault location algorithm), can quickly be positioned to the fault section of distribution feeder, when
When mistake occurs in the information for uploading main website, fault section can be still properly positioned, there is preferable fault-tolerant ability.
In a specific embodiment, built-in services device passes through electric power wireless private network connection communication main frame.
Specifically, fault locator can utilize each section current information and DG prisons that pressure line monitoring device is provided
The real time information of the DG operations that device is provided is surveyed, fault section is positioned by the fault location algorithm of inside chip, and
The fault message of positioning is uploaded to system main website by communication host, is attached by electric power wireless private network.This practicality is new
Type can simulate the fault location containing DG power distribution networks, and can be by way of feedback of the information, to phase for positioning fault section
Answer the failure of section to be excluded, distribution line is normally run.
In a specific embodiment, the signal transmission end of communication host is two-way with router by electric power wireless private network
Wireless connection.
Specifically, the real time bidirectional that can realize fault message using communication host is transmitted, and is easy to monitor power distribution network on-line
Feeder line operation conditions.
In a specific embodiment, the distribution terminal unit also signal output side including connecting fault positioner
Panel indicator；
The signal transmission end of panel indicator is connected with router double-direction radio.
Specifically, panel indicator can online be alarmed according to the fault data for receiving.
In a specific embodiment, system main website includes communication switchboard, data server, client and monitoring
Central server；
Router is connected with monitoring central server；Communication switchboard, data server, client respectively with monitoring in
Central server is connected.
Specifically, system main website can include router, communication switchboard, data server, client, Surveillance center
Server；Router, the signal transmission end of communication switchboard, the signal transmission end of data server, the signal transmission of client
The signal transmission end with monitoring central server is held to be bi-directionally connected.
Wherein, communication host is processed the fault data that the fault locator for receiving sends online, and is passed through
Router sends to monitoring central server the fault data after treatment online.Monitoring central server is according to the feedback for receiving
Line fault data generates control instruction online, and control instruction on-line synchronous are sent to panel indicator and led to by router
Letter main frame.Panel indicator is resetted online according to the control instruction for receiving.Communication host is to the control instruction that receives
Processed online, and the control instruction on-line synchronous after treatment are sent to fault detection terminal.Fault detection terminal according to
The control instruction on-line setup or modification feeder fault data set for receiving, so as to realize failture evacuation.
And it is based on the system main website being connected with communication host in each embodiment of the utility model, on the one hand, staff
The feeder fault data that can be received to monitoring central server by client carry out online preview, and data can be divided
Analysis is so as to carry out predictive maintenance.On the other hand, the fault data that monitoring central server can be by data server to receiving
On-line storage and reading are carried out, then history of forming Mishap Database, facilitate counterweight point failure section to strengthen protection.
The utility model distribution network fault positioning device emulation platform embodiment 1, can simulate simple distribution feeder failure
Positioning：DG monitoring devices can monitor the state of DG, obtain DG operation real time datas, judge DG whether normal work, circuit supervises
Surveying device can gather current signal, and as the fault message initial data of fault locator, by fault locator root
Carry out positioning feeder fault section according to above-mentioned data, export fault section signal, and uploaded to system main website by communication host
Corresponding fault message.The utility model is higher there is provided a kind of positioning precision, and the good fault location scheme of reliability can be real
Single-point and multipoint fault are accurately positioned in present power distribution network containing DG, and have good fault-tolerant ability and certain anti-interference
Ability.
The specific embodiment of the utility model distribution network fault positioning device emulation platform one：
Based on the technical scheme of above distribution network fault positioning device emulation platform embodiment 1, while in order to solve tradition
The problem that technology effectively can not be positioned accurately to the section of distribution network failure containing DG in real time, and it is further elaborated on this reality
With new technology implementation process, it is specific real that the utility model additionally provides a kind of distribution network fault positioning device emulation platform one
Apply example；Fig. 2 is the structural representation of the specific embodiment of the utility model distribution network fault positioning device emulation platform one, such as Fig. 2
It is shown：
The utility model distribution network failure positions simulation experiment platform, can realize optimizing based on multiple dimensioned quantum wavelet transforms
The fault location of algorithm is calculated, and can specifically include distribution terminal unit and system main website；
Distribution terminal unit include distribution terminal unit include pressure line monitoring device, DG monitoring devices, fault locator,
Signal picker, panel indicator, communication host.
It should be noted that the description of formula and associated method the step occurred in the utility model specification, be for
Elaboration technology implementation process of the present utility model (the relevant art principle being related to), what technology of the present utility model was realized
Core point is each appliance arrangement and the annexation between them, i.e. this reality in distribution network fault positioning device emulation platform
With it is new be that the simple distribution feeder fault location of simulation is realized based on each modular device and structure annexation between them
, specifically DG monitoring devices can monitor the state of DG, obtain DG operation real time datas, judge DG whether normal work,
Pressure line monitoring device can gather current signal, and as the fault message initial data of fault locator, by fault location
Device carries out positioning feeder fault section according to above-mentioned data, exports fault section signal, and by communication host to system master
Stand and upload corresponding fault message.And specifically realized using what fault location algorithm or especially by what kind of method and step,
Can be to be selected or pre-set according to actual application scenarios, and realized based on existing hardware unit.
Specifically, pressure line monitoring device is monitored to electric current in power distribution network, and it is contrasted with setting setting current
Generation by 0,1, -1 discrete data for constituting, in depositing in array X as fault message；It is the information by array X, seeks hair
The equipment of raw failure, by constructing object function F, is used to describe distribution network feeder actual conditions and expects the difference of failure situation,
It is as follows object function to be constructed for simple power distribution network：
Wherein X (j) is j-th element of fault message array X, represents the actual condition value of measuring control point j；Y (j) is array
J-th element of Y, represents the expectation state value of measuring control point j.In order to avoid there is wrong diagnosis, formula adds one in (1), its
Middle μ is weight coefficient, and according to the practical problem value to be solved, scope is between [0,1]；Represent that faulty equipment is total
Number.
DG monitoring devices are monitored to the DG in power distribution network, the real time status information of display DG operations, for judging DG
Whether normally run；
Fault location chip in fault locator, faulted line segment is carried out using multiple dimensioned quantum wavelet transforms optimized algorithm
Positioning.In the application stage, based on the object function of above-mentioned foundation, using multiple dimensioned quantum wavelet transforms optimized algorithm, to meeting
The minimum value of object function F, carries out optimizing in information array X, realizes the positioning to fault section.Have in power distribution network
In the case that DG is powered, when feeder line has at one and many places are broken down, it is considered to which information transfer has undistorted for positioning
The influence that the degree of accuracy brings, and carry out simulation analysis.
Multiple dimensioned quantum wavelet transforms algorithm used, the minimum value optimizing to meeting object function F, comprises the following steps that：
1. k, m, σ are initializedminGenerate k initial samples center k at random in the range of object function domain of definitioni, and
Setting initial gauges σs=MAX-MIN, [MIN, MAX] is that object function searches for domain of definition.
2. k Gaussian Profile is pressedM sampling location is respectively generated in object function domain of definition, according to sample bits
Put corresponding target function value and k preferably sampling location renewal k is selected from k × m newly-generated sampling locationi。
If 3. k more excellent sampling location kiBetween standard deviation sigmakMeet σk>σs, then return to step is 2.；
If 4. σs>σmin, then yardstick halve forAnd return to step is 2.；
5. k sampling center k is taken according to object functioniIn optimal location be result output.
Wherein k is population parameter, and m is sampling parameter.Algorithm is in initialization generally using object function domain of definition as first
Beginning sampling scale starts iteration, σsIt is the σ values of Gauss sampling under s yardsticks, it gradually halves when yardstick iteration is carried out, until searching
Rope yardstick σsLess than default smallest dimension σminWhen stop.σminIn fact it is exactly solving precision, is usually taken to be in text
0.000001.Iteration when carrying out the standard deviation of current k more excellent solution sampling locations be：
Power distribution network multiple spot is broken down and is emulated.Assuming that multiple sections break down simultaneously.Letter is uploaded for whetheing there is
Breath distortion has carried out confirmatory emulation to algorithm, and has shown that accurate fault location is interval.
System main website includes router, communication switchboard, data server, client, monitoring central server；Route
Device, the signal transmission end of communication switchboard, the signal transmission end of data server, client signal transmission end with monitoring in
The signal transmission end of central server is bi-directionally connected.
Each embodiment of the utility model can be monitored by line detection apparatus to the feeder current of institute installation place, and
Generation fault message primary data feeding fault locator input, event is carried out using multiple dimensioned quantum wavelet transforms optimized algorithm
Hinder the search positioning of section, and the fault section information feeding signal picker that will be exported, signal picker is by faulty section hop count
Panel indicator and communication host are sent to according to on-line synchronous.Panel indicator is carried out in report from a liner according to the fault data for receiving
Police is caused.Communication host is processed the fault data for receiving online, and by router by the fault data after treatment
It is online to send to monitoring central server.
Signal picker online acquisition fault data, and the feeder fault online data transmission that will be collected by router
To monitoring central server.Monitoring central server generates control instruction according to the feeder fault online data for receiving, and leads to
Router is crossed to send to panel indicator and communication host control instruction on-line synchronous.Panel indicator is according to the control for receiving
Instruction processed is resetted online.Communication host is processed the control instruction for receiving online, and the control after treatment is referred to
On-line synchronous are made to send to fault detection terminal.Fault detection terminal is according to the control instruction on-line setup or modification feedback for receiving
Line fault data setting value, so as to realize failture evacuation.
Monitoring central server can receive feeder fault online data and send to other power trains by communication switchboard
System, so that other power systems are used.Monitoring central server can be to the feeder fault data that receive by data server
Carry out on-line storage and reading.Staff can be by client to the feeder fault data received by monitoring central server
Online browse is carried out, and maintenance is predicted according to the data for browsing to, while quickly being positioned according to fault data.
Based on said process, the utility model distribution network fault positioning device containing DG emulation platform employs brand new reality
It is now to the real-time monitoring of distribution network feeder line running status and fixed to fault section using multiple dimensioned quantum wavelet transforms optimized algorithm
Position, thereby ensures that staff is predicted maintenance to distribution line, and can be carried out when distribution line breaks down quick
Accurately failture evacuation.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of distribution network fault positioning device emulation platform, it is characterised in that filled including distribution terminal unit, fault location
Put, router and system main website；The distribution terminal unit includes pressure line monitoring device, DG monitoring devices and communication master
Machine；
The signal output part of the pressure line monitoring device, the signal output part of the DG monitoring devices pass through holding wire and institute respectively
The signal input side for stating fault locator is connected；The signal output side connection communication master of the fault locator
Machine；The communication host connects the system main website by the router.
2. distribution network fault positioning device emulation platform according to claim 1, it is characterised in that the fault location dress
Put and the communication host is connected by electric power wireless private network.
3. distribution network fault positioning device emulation platform according to claim 1, it is characterised in that the communication host
Signal transmission end is connected by electric power wireless private network with the router double-direction radio.
4. distribution network fault positioning device emulation platform according to claim 1, it is characterised in that distribution distant place end
End also includes the panel indicator of the signal output side of the connection fault locator；
The signal transmission end of the panel indicator is connected with the router double-direction radio.
5. distribution network fault positioning device emulation platform according to claim 1, it is characterised in that system main website bag
Include communication switchboard, data server, client and monitoring central server；
The router is connected with the monitoring central server；The communication switchboard, the data server, the visitor
Family end is connected with the monitoring central server respectively.
6. the distribution network fault positioning device emulation platform according to claim 1 to 5 any one, it is characterised in that institute
Pressure line monitoring device is stated for power distribution automation line feed terminals SY20 feeder terminal units.
7. the distribution network fault positioning device emulation platform according to claim 1 to 5 any one, it is characterised in that institute
DG monitoring devices are stated for distributed monitoring system.
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| CN201621319510.6U CN206209047U (en) | 2016-12-01 | 2016-12-01 | Distribution network fault positioning device emulation platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010305A (en) * | 2017-12-14 | 2018-05-08 | 深圳市科陆电子科技股份有限公司 | A kind of self-diagnosing method of comprehensive energy management platform data acquisition failure |
-
2016
- 2016-12-01 CN CN201621319510.6U patent/CN206209047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010305A (en) * | 2017-12-14 | 2018-05-08 | 深圳市科陆电子科技股份有限公司 | A kind of self-diagnosing method of comprehensive energy management platform data acquisition failure |
| CN108010305B (en) * | 2017-12-14 | 2020-06-30 | 深圳市科陆电子科技股份有限公司 | Self-diagnosis method for data acquisition fault of integrated energy management platform |
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