CN106771883A - A kind of multi-source information distribution fault localization method and system based on cloud - Google Patents
A kind of multi-source information distribution fault localization method and system based on cloud Download PDFInfo
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- CN106771883A CN106771883A CN201710053156.XA CN201710053156A CN106771883A CN 106771883 A CN106771883 A CN 106771883A CN 201710053156 A CN201710053156 A CN 201710053156A CN 106771883 A CN106771883 A CN 106771883A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/088—Aspects of digital computing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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Abstract
The invention provides a kind of multi-source information distribution fault localization method based on cloud and system, it includes：Configuration information in cloud database is read in and starts service processes startup cloud database, wait distribution network failure to start information；The distribution network failure starts information triggering exception handles, obtains fault data collection；According to fault data set analysis distribution net topology, and the result of fault location is obtained by fault handling algorithm module.The technical scheme that the present invention is provided causes that distribution line is quick, is accurately positioned failure, improves power supply reliability；Using intelligent distribution network uniform information model cloud, the fusion for solving the distribution line failure information from different devices, equipment and system is used.
Description
Technical field
The present invention relates to a kind of Fault Locating Method, in particular to a kind of multi-source information distribution fault positioning based on cloud
Method and system.
Background technology
The economic loss and harmful effect caused with the development of modern economy society, power failure are increasing, to power supply
The requirement more and more higher of reliability.Power distribution network region be directly facing user, and economic development and people's lives are had a major impact.Electric energy matter
The quality and reliability of amount depend primarily on power distribution network, and the access of renewable energy source power has considerable influence to power distribution network,
With user interaction, carry out the starting point of dsm also in power distribution network.
The fault location of distribution line is the critical function of feeder automation (FA).Feeder automation (FA) function be exactly
After medium-voltage distribution circuit (feeder line) breaks down, being automatically positioned, isolating and (the Fault that restores electricity for failure is realized
Location, Isolation and Service Restoration, abbreviation FLISR).There is permanent fault simultaneously in circuit
After excision, the block switch of circuit trouble point tripping trouble point both sides is automatically positioned, isolated fault section recovers non-fault line
Power supply, to avoid causing having a power failure or reducing fault outage scope, reduce power off time, improve power supply reliability.FLISR is line
Road is intended to shorten the corrective operation measure of power off time after breaking down, therefore is taken as one kind " self-healing " work(of power distribution network
Energy.
Distribution line realizes the failure of distribution line by installing the fault test sets such as fault detector, distribution terminal
Positioning.The prior art for being related to distribution network failure to position is largely focused on the terminal unit based on electrical power distribution automatization system
(FTU) electrical power distribution network fault location method of monitoring terminal such as, the method has two major classes：Matrix method and artificial intelligence approach；Simultaneously
Also it is fault message combined with intelligent technique study electrical power distribution network fault location method that some people is studied with Trouble call phone.
When distribution line breaks down, not only the monitoring terminal such as FTU can collect fault message, and breaker, reclosing, segmentation are opened
The collecting devices such as pass, distribution transforming can also collect corresponding fault message, and how comprehensive using these information difficult point is.
It is comprehensive using above- mentioned information, it is necessary to carry out informix to Multiple Information Sources, while needing to take into full account information
It is uncertain.A large amount of power distribution network warning messages from outdoor communicator are because local environment is severe, range of temperature
It is larger, it is installed in mostly on electric power terminal or in power distribution cabinet, the disturbing factors such as high pressure, high current, thunder and lightning are born, information is not
Completely, the situation of information errors is relatively more.
For this reason, it may be necessary to a kind of multi-source information distribution fault localization method is provided, fully to use different intelligent terminal, intelligence
The standardization distribution network model and field data of detection means, obtain the comprehensive statistics of accurate fault location and fault section, carry
Power supply reliability high, the traffic control level of power distribution network, and comprehensively embody cloud service to the senior application of intelligent distribution network and distribution
The increment that automation brings.
The content of the invention
In order to solve the above-mentioned deficiency in the presence of prior art, the present invention provides a kind of multi-source information distribution based on cloud
Fault Locating Method and system.
The present invention provide technical scheme be：A kind of multi-source information distribution fault localization method methods described bag based on cloud
Include：
Configuration information in cloud database is read in and starts service processes startup cloud database, wait distribution network failure to start
Information；
The distribution network failure starts information triggering exception handles, obtains fault data collection；
According to fault data set analysis distribution net topology, and the result of fault location is obtained by fault handling algorithm module.
Preferably, the configuration information includes：Persistant data layer interface information；The parsing of CIM Profile information, conversion
The configuration of parameter；Algorithm adaptive configuration information.
Preferably, the fault initiating information includes breaker actuation information, FTU or fault detector fault message and matches somebody with somebody
Become warning message；
The treatment of the failure includes：
Fault processing module search is formed according to power distribution network static models data and power distribution network switchgear status data
Power distribution network topological structure, forms fault data collection；
Fault processing module carries out fault data consistency detection and rejecting abnormalities data to fault data collection；By with confidence
Breath priority is root node to produce the equipment of the information of high priority to the information type sequence in data set after detection,
Analysis distribution net topology.
Preferably, the fault location includes：
The uniformity of the data that detection data is concentrated, sets confidence level, according to note by the priority level order of information type
The information credibility of the inconsistent information evaluation different system of record；
By data input fault location algorithm module after testing, and failure is positioned by fault location algorithm；
Fault zone is carried out according to fault location result to calculate and profile data statistics, data storage and transmission fault location
Information.
Preferably, the fault location algorithm of the fault location algorithm module includes：
Transient fault, then directly export fault location result；
Otherwise, when there is breaker actuation information, failure is carried out using feeder line level fault alarm information by information relative importance value
Positioning；
When FTU or fault detector fault message, determined as search starting point carries out failure with block switch or fault detector
Position；Or,
During distribution transforming warning message, with distribution transforming information combination customer complaint Information locating failure.
Preferably, fault zone is calculated according to fault location result, and counts profile data.
Preferably, the transient fault includes：The breaker for having coincidence function is finally closed and only overlapped once
Failure；
The fault location includes the positioning of fault section：The positioning of the fault section includes, it is determined that sending excessively stream report
Alert information most downstream one monitoring terminal, the equipment of the terminal is set as the upstream boundary of fault section, and by the upstream
Monitoring terminal installs the downstream boundary that configuring condition sets fault section on the branch line section in edge device downstream.
Preferably, the positioning power supply interrupted district includes：Each On line switch of topology search, root outward since search starting point
Judge whether the switch on the line is power failure border according to the current information for calling the current information and adjacent device of surveying On line switch together；
The calculating of the fault zone includes：Transformer and the power supply area sum of opening and closing are faulty section in fault section
Domain；
The statistics of the profile data includes：According to time of failure, the section time is determined；With the section time as former
Point, timeorigin is no more than all metric data and warning message of ± 30 seconds accordingly on collection fault feeder, forms section number
According to statistics.
Preferably, the principle for setting the downstream boundary includes：
If 1. first being searched before possible branched line is searched as the monitoring terminal equipment of one of downstream boundary,
Then stop search；
If 2. searching for setting less than installation monitoring terminal before possible branched line on the branch line section for searching
It is standby, then the branch line section is continued search for judging as the branch line section of upstream boundary equipment and according to search principle；
If 3. do not have forked situation on branched line, the end for searching the branch line section does not search prison yet
The equipment for surveying terminal, the end of the branched line is then the downstream boundary of fault section.
A kind of multi-source information distribution fault alignment system based on cloud, the system includes：Positioned at cloud database and failure
Persistant data layer interface between localization process unit；
The fault location processing unit includes the fault data discrimination module, topological analysis module and the failure that are sequentially connected
Location algorithm module, receives persistant data layer interface data respectively.
Preferably, the persistant data layer interface：
Realize the input of network topological information and metric data, and positioning result output；
The power distribution network topology information encapsulated with CIM Profile message and metric data that will be read from cloud database are parsed
It is the data that fault location processing unit needs, and is that CIM Profile message writes cloud data by fault location Information encapsulation
Storehouse.
Preferably, the fault data judgement unit, for carrying out fault data uniformity to the fault data collection for being formed
Detect and rejecting abnormalities data；
The topology analysis units, for the information type that the fault data after detection is concentrated to be pressed into configuration information priority
Sequence carries out confidence level setting, and behavior topological analysis is entered by root node of the equipment of the information generation of high priority, forms distribution
Net topology model；
The fault location algorithm module, for according to the fault location algorithm and search fault section downstream boundary for setting
Principle positioning failure, and carry out fault zone calculating.
Compared with immediate prior art, the present invention has following excellent effect：
The multi-source information distribution fault localization method based on cloud that the present invention is provided so that distribution line is quick, accurate fixed
Position failure, improves power supply reliability；
The technical scheme that the present invention is provided uses intelligent distribution network uniform information model cloud, solves distribution network failure positioning
Algorithm, improves the efficiency of staff's troubleshooting, greatly shortens the fault outage time, improves distribution network reliability.
The technical scheme that the present invention is provided obtains accurate fault location by the fault location algorithm based on multi-source information
The comprehensive statistics result of result and fault section, improves the traffic control level of power distribution network, enhances power supply reliability.
Brief description of the drawings
Fig. 1 is multi-source information distribution fault localization method troubleshooting process figure of the invention；
Fig. 2 is multi-source information distribution fault location algorithm flow chart of the invention；
Fig. 3 is for of the invention based on feeder line level fault alarm information fault location flow chart；
Fig. 4 is that algorithm of the invention implements system construction drawing；
Fig. 5 is fault locating program module diagram of the invention.
Wherein 1- piezoelectric substrates, 2- interdigital transducers, 3- reflecting gratings, 4- antennas, 5- surface acoustic waves.
Specific embodiment
For a better understanding of the present invention, present disclosure is done further with reference to Figure of description and example
Explanation.
The present invention provides a kind of multi-source information distribution fault localization method and system based on cloud, and methods described includes as follows
Step：
The means of use：The reading and write-in of cloud database are supported by persistant data layer interface, the interface realizes distribution
The reading of topology information and fault message, the data of acquisition carry out fault location by following algorithms.
Program module schematic diagram is as shown in figure 5, persistant data layer interface is located at cloud database and distribution network failure positioning
, it is necessary to support CIM Profile message between reason module, the defeated of network topological information and metric data is realized by this interface
Enter, and realize the output of positioning result.This interface mainly realizes the encapsulation of CIM Profile message and analytical capabilities.Will be from cloud
The network topological information encapsulated with CIM Profile message and metric data that database reads are resolved to distribution network failure and positioned
Data needed for processing module, and be that CIM Profile message writes cloud database by fault location Information encapsulation.This persistant data
Layer interface can realize flexible configuration, and its configuration information can read, or from matching somebody with somebody in cloud database from configuration file
Put reading in data.
Algorithm steps are as follows：
(1) by the parsing of configured persistent layer interface message and CIM Profile message, conversion parameter configure (including
The CIM Profile templates that the various message for being used are used, are converted to the specific data structure parameter of fault location data
Deng), algorithm adaptive configuration information (including peculiar equipment nominal parameter in each department, equipment operational factor) etc. reads in and starts service
Process, waits the message initiated troubleshooting after distribution network failure.
(2) power distribution network topology search, is carried out in real time according to distribution static models data and current switch device status data
The formation of topology；Topological analysis is carried out based on common information model (CIM), using breadth-first search.Its search procedure
It is, from certain summit F, each adjacent vertex do not searched for of F to be searched for successively, then goes out from these adjacent vertexes respectively
Hair searches for their adjacent vertex successively again, untill all of summit has all been searched in figure.
Breadth-first search (Breadth-First-Search), also referred to as breadth-first search, or it is laterally preferential
Search, abbreviation BFS is a kind of graphic searching algorithm.Briefly, BFS is since root node, to be traveled through along the width of tree
The node of tree, if it find that target, then calculation termination.BFS is a kind of blindness search method, it is therefore an objective to systematically launch and check figure
In all nodes, to look for result.In other words, it is it is not intended that the possible position of result, thoroughly searches for whole figure, directly
To result is found.BFS does not use rule of thumb algorithm.
(3) troubleshooting carries out the formation of fault data collection first by fault initiating message trigger after triggering, form event
The consistency detection and rejecting abnormalities data of fault data are carried out after barrier data set.According to the letter that the fault data after detection is concentrated
Breath type, is ranked up by the information priorities of configuration, and the equipment with the information generation of high priority carries out topology as root node
Analysis.
CIM defines the incidence relation between conductive equipment class and end points, end points and connecting node.CIM Top Modules
Type is as shown in Figure 5.
Meanwhile, according to the sequencing that equipment is set up, each equipment optional equipment terminal is given, connecting node table is created, use
To describe the topological relation of equipment room.For bus, single-ended equipment, i.e. two end terminals number can be attributed to identical.For switch/
Disconnecting link, both-end transformer or three end transformers etc., because each terminal acts on different, then each end terminal number is different.
(4) fault location of multi-source information.
Because fault message derives from different devices, equipment and system, it is necessary first to carry out the consistency detection of data,
The setting of confidence level is carried out by the priority orders of information type, while recording inconsistent information for carrying out the information of different system
Reliability assessment is used.The data feeding fault location algorithm module of Data Detection is completed, is algorithmically calculated and is obtained fault location
As a result.
The general frame of troubleshooting is as shown in Figure 1.Fault location algorithm based on multi-source information therein is as follows：
(1) needed with reclosing information failure judgement whether to be transient fault before failure is positioned.In view of distribution
Most of failure is all instantaneity in net, and transient fault need not be positioned due to the presence of reclosing, so such as
Fruit failure is instantaneity, and it is " failure is instantaneity " that can immediately arrive at fault location result.If possessing coincidence function
Breaker finally closure and only overlap once, failure is instantaneity, and all temporary transient failure judgement of remaining situation is permanent
Property.
(2) determine that this method only uses feeder line level failure according to information relative importance value in the case where there is breaker actuation information
Warning message carries out fault location.The warning message for but being uploaded in view of fault moment may be triggered by more than one failure,
Because being picked out on all feeder lines according to feeder line title comprising the title of feeder line where it in breaker actuation information
Feeder line level warning message, and remaining warning message is all eliminated this fault location.Simultaneously by breaker actuation information
Feeder line title obtain the FTU or fault detector allocation list of the feeder line topological sum feeder line.Determine the basic of fault section
Principle is to find the monitoring terminal for sending excessively stream warning message of most downstream one first, and the equipment where it is the upper of fault section
Border is swum, then the installation configuring condition according to monitoring terminal on all branch line sections of upstream boundary device downstream determines failure
The downstream boundary of section, is listed below the principle of search fault section downstream boundary：
If installation monitoring was 1. searched on certain branch line section A before the possibility branch line section of A is searched eventually
The equipment at end, this equipment is one of downstream boundary, can stop the search to A；
If setting less than installation monitoring terminal is 2. searched on certain branched line B when the branch line section of B is searched
It is standby, the branch line section of B is continued search for judging as the branch line section of upstream boundary equipment according to search principle；
If the end for 3. searching C on certain branch line section C in the case of without bifurcated has not also searched
The equipment of monitoring terminal, the end of C is the downstream boundary of fault section.
Can finally determine all of fault section downstream boundary according to above-mentioned search principle, finally be determined by upstream and downstream border
All possible fault section.Search routine is shown in Fig. 3.
(3) in the case of no feeder line level fault alarm information, it is only capable of based on distribution transforming abnormal alarm information, user throws
Tell and carry out fault location supplemented by information, while the feeder line title where not having the distribution transforming in distribution transforming abnormal alarm information, it is impossible to obtain
Feeder line topology is obtained, the distribution transforming can only be oriented in full mesh topology in itself.The fault message that feeder line warning message can be disclosed
Most directly, it is accurate, very can accurately be obtained using this warning message failure property, time of origin and trouble point it is relative
Accurate positional information, and the abnormal conditions of distribution transforming can only be obtained from distribution transforming abnormal alarm information, if the letter such as power supply can be continued
Breath, it is impossible to the reason for directly obtaining abnormal conditions and occur, the information such as abort situation, and customer complaint information is typically ambiguous
, fault location can be seldom directly used in, it is only used for assist trouble positioning.
(5) carry out fault zone according to fault location result to calculate and profile data statistics, finally carry out persistent data
Storage and the transmission of fault location results messages.
Position power supply interrupted district target be to search all power failure borders, so positioning power supply interrupted district core thinking be from
Search starting point starts to survey the current information of On line switch by calling together toward each On line switch of outside topology search and be aided with adjoining to set
Standby current information judges whether this On line switch is power failure border.
The calculating of fault zone：According to the fault section that step 3 determines, the transformer in fault section, switching station are determined
Etc. equipment；The power supply area of these transformers, switching station is added up, the region of gained is fault zone.
The statistics of profile data：(if the breaker actuation time, that is, it is set as that failure occurs according to time of failure
Time, is otherwise the earliest warning message time), determine the section time；With the section time as origin, evidence on fault feeder is collected
All metric data and warning message of this time origin no more than ± 30 seconds, form profile data statistics.
A kind of multi-source information distribution fault alignment system based on cloud, the system includes：Positioned at cloud database and failure
Persistant data layer interface between localization process unit；
The fault location processing unit includes the fault data discrimination module, topological analysis module and the failure that are sequentially connected
Location algorithm module, receives persistant data layer interface data respectively.
Preferably, the persistant data layer interface：
Realize the input of network topological information and metric data, and positioning result output；
The power distribution network topology information encapsulated with CIM Profile message and metric data that will be read from cloud database are parsed
It is the data that fault location processing unit needs, and is that CIM Profile message writes cloud data by fault location Information encapsulation
Storehouse.
Preferably, the fault data judgement unit, for carrying out fault data uniformity to the fault data collection for being formed
Detect and rejecting abnormalities data；
The topology analysis units, for the information type that the fault data after detection is concentrated to be pressed into configuration information priority
Sequence carries out confidence level setting, and behavior topological analysis is entered by root node of the equipment of the information generation of high priority, forms distribution
Net topology model；
The fault location algorithm module, for according to the fault location algorithm and search fault section downstream boundary for setting
Principle positioning failure, and carry out fault zone calculating.
Embodiments of the invention are these are only, is not intended to limit the invention, it is all in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvements done etc., be all contained in the pending scope of the presently claimed invention of application it
It is interior.
Claims (12)
1. a kind of multi-source information distribution fault localization method based on cloud, it is characterised in that methods described includes：
Configuration information in cloud database is read in and starts service processes startup cloud database, wait distribution network failure to start letter
Breath；
The distribution network failure starts information triggering exception handles, obtains fault data collection；
According to fault data set analysis distribution net topology, and the result of fault location is obtained by fault handling algorithm module.
2. the method for claim 1, it is characterised in that the configuration information includes：Persistant data layer interface information；
The parsing of CIM Profile information, the configuration of conversion parameter；Algorithm adaptive configuration information.
3. the method for claim 1, it is characterised in that the fault initiating information includes breaker actuation information, FTU
Or fault detector fault message and distribution transforming warning message；
The treatment of the failure includes：
The distribution that fault processing module search is formed according to power distribution network static models data and power distribution network switchgear status data
Net topology structure, forms fault data collection；
Fault processing module carries out fault data consistency detection and rejecting abnormalities data to fault data collection；
The information type in data set after detection is sorted by configuration information priority, and to produce setting for the information of high priority
Standby is root node, analyzes distribution net topology.
4. the method for claim 1, it is characterised in that the fault location includes：
The uniformity of the data that detection data is concentrated, sets confidence level, by the priority level order of information type according to record not
Consistent information assesses the information credibility of different system；
By data input fault location algorithm module after testing, and failure is positioned by fault location algorithm；
Fault zone is carried out according to fault location result to calculate and profile data statistics, data storage and transmission fault location letter
Breath.
5. method as claimed in claim 4, it is characterised in that the fault location algorithm bag of the fault location algorithm module
Include：
Failure is transient fault, then directly export fault location result；
Otherwise, when there is breaker actuation information, fault location is carried out using feeder line level fault alarm information by information relative importance value；
When FTU or fault detector fault message, fault location is carried out by search starting point of block switch or fault detector；
Or,
Distribution transforming information combination customer complaint Information locating failure.
6. method as claimed in claim 5, it is characterised in that calculate fault zone according to fault location result, counts section
Data, and persistent data and the storage of fault location result are arrived into cloud database.
7. method as claimed in claim 5, it is characterised in that the transient fault includes：Has the breaker of coincidence function
Final closure and the failure for only overlapping once；
The fault location includes the positioning of fault section：The positioning of the fault section includes, it is determined that sending excessively stream alarm signal
The breath monitoring terminal of most downstream one, the equipment of the terminal is set as the upstream boundary of fault section, and by the upstream boundary
Monitoring terminal installs the downstream boundary that configuring condition sets fault section on the branch line section of device downstream.
8. method as claimed in claim 6, it is characterised in that；The positioning power supply interrupted district includes：It is past since search starting point
Outer topology search each On line switch, the line is judged according to the current information for calling the current information and adjacent device of surveying On line switch together
On switch whether be power failure border；
The calculating of the fault zone includes：Transformer and the power supply area sum of opening and closing are fault zone in fault section；
The statistics of the profile data includes：According to time of failure, the section time is determined；With the section time as origin, receive
Timeorigin is no more than all metric data and warning message of ± 30 seconds accordingly on collection fault feeder, forms profile data system
Meter.
9. method as claimed in claim 7, it is characterised in that the principle of the setting downstream boundary includes：
If 1. first being searched before possible branched line is searched as the monitoring terminal equipment of one of downstream boundary, stop
Only search for；
If 2. searching for the equipment less than monitoring terminal is installed before possible branched line on the branch line section for searching,
The branch line section is continued search for judging as the branch line section of upstream boundary equipment and according to search principle；
If 3. do not have forked situation on branched line, the end for searching the branch line section does not search monitoring eventually yet
The equipment at end, the end of the branched line is then the downstream boundary of fault section.
10. a kind of multi-source information distribution fault alignment system based on cloud, it is characterised in that the system includes：Positioned at cloud number
According to the persistant data layer interface between storehouse and fault location processing unit；
The fault location processing unit includes the fault data discrimination module, topological analysis module and the fault location that are sequentially connected
Algoritic module, receives persistant data layer interface data respectively.
11. systems as claimed in claim 10, it is characterised in that the persistant data layer interface：
Realize the input of network topological information and metric data, and positioning result output；
The power distribution network topology information encapsulated with CIM Profile message and metric data that will be read from cloud database resolve to event
The data that barrier localization process unit needs, and be that CIM Profile message writes cloud database by fault location Information encapsulation.
12. systems as claimed in claim 10, it is characterised in that the fault data judgement unit, for the event to being formed
Barrier data set carries out fault data consistency detection and rejecting abnormalities data；
The topology analysis units, for the information type that the fault data after detection is concentrated to be pressed into configuration information prioritization
Confidence level setting is carried out, behavior topological analysis is entered by root node of the equipment of the information generation of high priority, formed power distribution network and open up
Flutter model；
The fault location algorithm module, for according to the fault location algorithm and the original of search fault section downstream boundary for setting
Failure is then positioned, and carries out fault zone calculating.
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