CN107045094B - A kind of distribution line failure localization method and device - Google Patents
A kind of distribution line failure localization method and device Download PDFInfo
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- CN107045094B CN107045094B CN201710275341.3A CN201710275341A CN107045094B CN 107045094 B CN107045094 B CN 107045094B CN 201710275341 A CN201710275341 A CN 201710275341A CN 107045094 B CN107045094 B CN 107045094B
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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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- 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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Abstract
This application discloses a kind of distribution line failure localization method and device, the remote signalling data that in the current preset period and upper predetermined period internal fault indicator is sent is obtained；According to the logical place of all fault detectors, complete sequence is determined；According to the logical place for the fault detector for generating remote signalling movement, action sequence is determined；Further according to complete sequence and action sequence, fullpath sequence is obtained, and then determines location of fault on distribution line, the time that failure occurs, the type of failure and the fault detector failed to report.Method and device provided by the embodiments of the present application, according to the logical place of fault detector to fault location, and it can also determine the other information of failure, improve fault message automated analysis level and analysis efficiency, the quick positioning for realizing distribution line failure, facilitates staff to check failure, can rapidly and accurately find fault point, electric network fault emergency repair time is saved, power supply efficiency is improved.
Description
Technical field
This application involves technical field of electric power communication more particularly to a kind of distribution line failure localization methods and device.
Background technique
At present both at home and abroad all in positive planning, construction smart grid, the core connotation of smart grid is to realize the letter of power grid
Breathization and automation.The basis for realizing smart grid is that the data on power grid are carried out with comprehensive monitoring and is transmitted, and is counted with these
According to the automation control of management power grid and realization power grid.Pass through advanced sensing and measuring technique, control technology and decision branch
Systems technology is held, power generation, transmission of electricity, distribution and electricity consumption interaction intercommunication can be made, becoming power grid can survey certainly to power grid real-time management
With the smart grid of self-healing, realize more wisdom power supply and dispatching, make power grid using it is relatively reliable with it is safe.
Distribution line is monitored it, guarantees that its normal operation is also weight as component part important in power grid
It wants, once it causes to have a power failure, while making troubles to Electricity customers, returns power supply company because distribution line breaks down
Cause heavy losses.Due to power grid distribution line long transmission distance, topography is complicated on the way, natural environment and climate inclement condition, then plus
Upper power supply pressure is big, and failure rate is caused significantly to increase.Currently, more power grid enterprises are using fault detector to power grid both at home and abroad
Failure in distribution line is monitored, and fault detector is the equipment for detecting short circuit and ground fault, the letter detected
Breath notifies maintenance personal, maintenance personal manually to confirm the state of fault detector one by one again, find generation in the form of remote signalling data
The section of failure and fault section is opened in disjunction, carries out the maintenance of distribution line.Remote signalling data is for transmitting fault detector
The data of operating status, it include fault detector information and fault detector locating for distribution line information.
However, the distance of distribution line is longer, branch is again more, is in reticular structure, is mounted with a large amount of fault detector.When
After breaking down on distribution line, the failure on fault detector and branch before corresponding fault detector, fault point refers to
Show that device can all regularly send out remote signalling data, and these data are also not necessarily accurate.Staff is according to these data to event
When barrier is checked, it is not easy to determine the time that fault detector issues remote signalling data, it is each can also wastes a large amount of time check
The state of the fault detector acted, and once failure will stop powering, and the time of inspection is more long, restores electricity
Time it is also longer, the efficiency of power supply is lower.
Summary of the invention
This application provides a kind of distribution line failure localization method and devices, to solve power grid distribution line failure point not
Easy determination and staff check the big problem of range, improve power supply efficiency, save maintenance time.
On the one hand, this application provides a kind of distribution line failure localization methods, this method comprises:
It marks and stores logical place of the fault detector in distribution line；
According to the logical place, sent in the acquisition current preset period with upper predetermined period internal fault indicator
Remote signalling data；
According to the logical place of all fault detectors, complete sequence is determined；
According to the logical place for the fault detector for generating remote signalling movement, action sequence is determined；
According to the complete sequence and the action sequence, fullpath sequence is obtained；
According to the fullpath sequence and the remote signalling data, the logical bit closest to the fault detector of failure is determined
It sets, positions the failure on distribution line.
Optionally, generating in the remote signalling data of the fault detector transmission of remote signalling movement includes the remote signalling action message；
The remote signalling action message includes: route, the type of remote signalling movement and the time of remote signalling movement generation that remote signalling movement occurs；
According to the logical place of all fault detectors, before determining complete sequence, comprising:
Judge to whether there is remote signalling action message in the remote signalling data,
If there are the remote signalling action messages in the remote signalling data, according to the logical bit of all fault detectors
It sets, determines complete sequence.
Optionally, this method further include:
According to the fullpath sequence and the action sequence, the fault detector failed to report is determined.
Optionally, this method further include:
According to the remote signalling data, determines and the remote signalling movement occurs on the current line under each phase of fault detector
Number；The type of the remote signalling movement includes: ground connection and short circuit；
According to the number that short-circuit remote signalling movement occurs under each phase, the position of short trouble is determined；
According to the number that ground connection remote signalling movement occurs under each phase, the position of ground fault is determined.
Optionally, according to the number that short-circuit remote signalling movement occurs under each phase, the position of short trouble is determined, comprising:
The numerical value that short-circuit remote signalling action frequency occurs under three-phase is compared, three numerical value are arranged from big to small, is followed successively by the
One numerical value, second value and third value；
If three numerical value are not mutually equal, it is determined that failure is first numerical value and the corresponding two-phase of the second value
Short trouble；
If first numerical value and the second value are equal, it is determined that failure is first numerical value and described second
The corresponding two-phase short-circuit fault of numerical value；
If the second value and third value is equal or three numerical value are equal, it is determined that the failure is total
Short trouble.
Optionally, according to the number that ground connection remote signalling movement occurs under each phase, the position of ground fault is determined, comprising:
Compare three-phase occur ground connection remote signalling action frequency numerical value, numerical value is arranged from big to small, be followed successively by the first numerical value,
Second value and third value；
If three numerical value are not mutually equal, it is determined that the failure is the corresponding phase ground fault of first numerical value；
If the first numerical value and second value is equal or three numerical value are equal, it is determined that the failure is total
Ground fault.
Optionally, determine the failure on distribution line for after ground fault, further includes:
The switching action message for obtaining the signal source under current transformer substation, marks and stores the signal source of the ground fault
Switching action message.
On the other hand, present invention also provides a kind of distribution line failure positioning device, which includes:
Indicator mark unit, for marking and storing logical place of the fault detector in distribution line；
Data capture unit, for according to the logical place, obtaining in the current preset period and a upper predetermined period
The remote signalling data that internal fault indicator is sent；
Failure location unit is used for:
According to the logical place of all fault detectors, complete sequence is determined；
According to the logical place for the fault detector for generating remote signalling movement, action sequence is determined；
According to the complete sequence and the action sequence, fullpath sequence is obtained；
According to the fullpath sequence and the remote signalling data, the logical bit closest to the fault detector of failure is determined
It sets, positions the failure on distribution line.
Optionally, the device further include:
Judging unit whether there is remote signalling action message for judging in the remote signalling data,
If there are the remote signalling action messages in the remote signalling data, according to the logical bit of all fault detectors
It sets, determines complete sequence.
Optionally, the device further include:
Information flag unit, for obtaining the switching action message of the signal source under current transformer substation, marking and storing institute
State the signal source switching action message of ground fault.
From the above technical scheme, the application provides a kind of distribution line failure localization method and device, obtains current
The remote signalling data sent in predetermined period with upper predetermined period internal fault indicator；According to the logic of all fault detectors
Position determines complete sequence；According to the logical place for the fault detector for generating remote signalling movement, action sequence is determined；Further according to
Complete sequence and action sequence obtain fullpath sequence；Finally according to fullpath sequence, action sequence, remote signalling data and
Remote signalling action message determines that location of fault on distribution line, the time that failure occurs, the type of failure and the failure failed to report refer to
Show device.Method and device provided by the embodiments of the present application according to the logical place of fault detector to fault location, and may be used also
To determine the other information of failure, fault message automated analysis level and analysis efficiency are improved, realizes distribution line failure
Quickly positioning, facilitates staff to check failure, can rapidly and accurately find fault point, saves electric network fault repairing
Time improves power supply efficiency.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, attached drawing needed in case study on implementation will be made below
Simply introduce, it should be apparent that, for those of ordinary skills, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of distribution line failure localization method provided by the embodiments of the present application；
Fig. 2 is the distributed architecture figure of fault detector on route 1 in the embodiment of the present application one；
Fig. 3 is the distributed architecture figure of fault detector on route 2 in the embodiment of the present application one；
Fig. 4 is a kind of structure chart of distribution line failure positioning device provided by the embodiments of the present application.
It illustrates:
Wherein, 1- " 9 " number fault detector；2- " 27- " number fault detector；3- " 27 " number bar；4- " 33 " number failure refers to
Show device；5- " 60 " number fault detector；6- " 69 " number fault detector；7- " 27.1 " number fault detector；8- " 1 " number failure refers to
Show device；9- " 21 " number bar；10- " 21+ " number fault detector；11- " 46 " number fault detector；12- " 77 " number fault detector；
13- " 21.1- " number fault detector；14- " 21.1 " number bar；15- " 21.1.10 " number fault detector；16- indicator mark list
Member；17- data capture unit；18- judging unit；19- failure location unit；20- information flag unit.
Specific embodiment
It is a kind of flow chart of distribution line failure localization method provided by the embodiments of the present application referring to Fig. 1.The method
Include:
Step 100, it marks and stores logical place of the fault detector in distribution line.
Step 200, it according to the logical place, obtains in the current preset period and a upper predetermined period internal fault indicates
The remote signalling data that device is sent.
Remote signalling data is the data that fault detector is periodically sent out, i.e., fault detector issues distant according to certain period
Letter data can issue remote signalling data in all fault detectors received in range, if be needed using the remote signalling data
By judgement and screening, not all remote signalling data is all reliable.When respective branch is corresponding on the route for needing to position
Whether same class failure when only one fault detector acts, judges fault detector first, second or third position
It sets, when fault detector is in first, second or the third place, can be determined using the remote signalling data of fault detector
Position, otherwise it is assumed that the data inaccuracy that fault detector issues, without positioning.
Before fault location, need first to obtain the remote signalling data of fault detector sending, fault detector on route
There are many quantity, then the time for receiving the remote signalling data of these fault detectors sending will be very long, if to all remote signalling numbers
According to being received, need to take a lot of time.Predetermined period is set, may be received in the respective lines in this time range
Remote signalling data, avoid overabundance of data from wasting time, can also to avoid apart from farther away fault detector issue inexact data
The problem of positioning result is had an impact.And in predetermined period, the data that each fault detector is sent only are received,
It avoids repeatedly judging a fault detector, saves the time, increase the accurate qualitative of fault location.
Step 300, according to the logical place of all fault detectors, complete sequence is determined；Each logical place generation
An element in table complete sequence.
Step 400, according to the logical place for the fault detector for generating remote signalling movement, action sequence is determined；Each is patrolled
It collects position and all represents an element in action sequence.
Step 500, according to the complete sequence and the action sequence, fullpath sequence is obtained.
Step 600, according to the fullpath sequence and the remote signalling data, the fault detector closest to failure is determined
Logical place, position distribution line on failure.
From the above technical scheme, the application provides a kind of distribution line failure localization method, obtains current preset week
The remote signalling data sent in phase with upper predetermined period internal fault indicator；According to the logical place of all fault detectors,
Determine complete sequence；According to the logical place for the fault detector for generating remote signalling movement, action sequence is determined；Further according to complete sequence
Column and action sequence, obtain fullpath sequence；It is finally dynamic according to fullpath sequence, action sequence, remote signalling data and remote signalling
Make information, determines location of fault on distribution line.Method provided by the embodiments of the present application, according to the logical bit of fault detector
It sets to fault location, and can also determine the other information of failure, improve fault message automated analysis level and analysis effect
Rate realizes the quick positioning of distribution line failure, staff is facilitated to check failure, can rapidly and accurately find event
Hinder point, save electric network fault emergency repair time, improves power supply efficiency.
Generating in the remote signalling data of the fault detector transmission of remote signalling movement includes the remote signalling action message；The remote signalling
Action message includes: route, the type of remote signalling movement and the time of remote signalling movement generation that remote signalling movement occurs.
Optionally, in step 300, according to the logical place of all fault detectors, before determining complete sequence, packet
It includes:
Judge to whether there is remote signalling action message in the remote signalling data,
If there are the remote signalling action messages in the remote signalling data, according to the logical bit of all fault detectors
It sets, determines complete sequence.
Judge to greatly shorten the time of fault location with the presence or absence of remote signalling action message in remote signalling data, work as judgement
When remote signalling action message is not present in remote signalling data out, the operation of positioning is just terminated at once, and it is fixed to not having faulty route to avoid
Position, saves the time, improves the efficiency of fault location.
Optionally, this method further include:
According to the fullpath sequence and the action sequence, the fault detector failed to report is determined.Determine the event failed to report
Hinder indicator and provides reference to later fault location.
Further, it is determined that when action sequence, need the logical place of fault detector permutation with positive order by size first.
"+" number and the digital representation plurality without symbol are had behind logical place, are arranged in after branch line data；Logical place
The digital representation with "-" number is arranged in front of branch line data compared with decimal below.Such as: " xx.yy " and " xx.yy+ " is arranged in
After " xx.yy.* ", " xx.yy- " is arranged in front of " xx.yy.* ", wherein " xx.yy.* " indicates branch line data.Then basis
Corresponding fault detector inverted order is found, and whether judges fault detector in same path, is then record position, is otherwise continued to seek
Judgement is looked for, terminates to judge when first fault detector.The position for all fault detectors recorded in the process
Form the fullpath sequence deduced forward since finding point.It, can be with by fullpath sequence compared with action sequence
Quickly and easily determine the fault detector failed to report.
Optionally, this method comprises: respectively to the fault location on routes different in predetermined period；Failure on route can
One kind can be only existed, it is also possible to exist simultaneously a variety of, and the branch of distribution line is numerous, and the fault type in different branches is also
Different.The normal operation for guaranteeing distribution line is needed to the fault detector monitoring on all routes, on all routes
Fault location, it is ensured that the reliability of power supply.
Optionally, this method further include:
According to the remote signalling action message in the remote signalling data, the time that the failure occurs is determined.Remote signalling movement
It include the time that remote signalling movement occurs in information, i.e. the time of failure generation, the time that failure occurs determines position predetermined period
In time range, the earliest time of all fault detector movements on same route.After location of fault positioning, then determine hair
The raw time can more accurately prompt staff, facilitate staff to fault location and repair.
Optionally, this method further include:
According to the remote signalling data, determines and the remote signalling movement occurs on the current line under each phase of fault detector
Number；The type of the remote signalling movement includes: ground connection and short circuit；
According to the number that short-circuit remote signalling movement occurs under each phase, the position of short trouble is determined；
According to the number that ground connection remote signalling movement occurs under each phase, the position of ground fault is determined.
Further determine that the position of different types of faults, can more accurate positioning failure, save staff investigation
Time, also reduce power-off maintenance time, guarantee distribution line efficient operation.
Optionally, according to the number that short-circuit remote signalling movement occurs under each phase, the position of short trouble is determined, comprising:
The numerical value that short-circuit remote signalling action frequency occurs under three-phase is compared, three numerical value are arranged from big to small, is followed successively by the
One numerical value, second value and third value；
If three numerical value are not mutually equal, it is determined that failure is first numerical value and the corresponding two-phase of the second value
Short trouble；
If first numerical value and the second value are equal, it is determined that failure is first numerical value and described second
The corresponding two-phase short-circuit fault of numerical value；
If the second value and third value is equal or three numerical value are equal, it is determined that the failure is total
Short trouble.
For example, in the present embodiment, A phase, B phase and C phase can be named as by the three-phase separate of fault detector is other；
The type of remote signalling movement is divided into ground connection and short circuit, then corresponding fault type is also ground fault and short circuit event
Barrier.When short trouble occurs, the separate of short trouble is also further judged, such as the short circuit of AB phase, the short-circuit and total short circuit of BC phase
Deng.The judgement of short trouble, by comparing each separate lower number that short-circuit remote signalling movement occurs.Such as, occur under each phase short
The number of road remote signalling movement is successively are as follows: A phase x times, B phase y times, C phase z times；As x > y > z, it is determined that for the short circuit of AB phase；Work as x=y
When > z, it is determined that for the short circuit of AB phase；As x > y=z, it is determined that for total short circuit；As x=y=z, then equally it is determined as total short
Road；Work as x > 0, when y=z=0, it is determined that be fault detector malfunction.
Optionally, according to the number that ground connection remote signalling movement occurs under each phase, the position of ground fault is determined, comprising:
Compare three-phase occur ground connection remote signalling action frequency numerical value, numerical value is arranged from big to small, be followed successively by the first numerical value,
Second value and third value；
If three numerical value are not mutually equal, it is determined that the failure is the corresponding phase ground fault of first numerical value；
If the first numerical value and second value is equal or three numerical value are equal, it is determined that the failure is total
Ground fault.
For example, in the present embodiment, A phase, B phase and C phase can be named as by the three-phase separate of fault detector is other；Each phase
The not lower number that ground connection remote signalling movement occurs is successively are as follows: A phase x times, B phase y times, C phase z times；As x > y and x > z, it is determined that be A
Mutually it is grounded；As x=y > z, it is determined that for total ground connection；As x=y=z, equally it is determined as always being grounded；Work as x > 0, y=z=0
When, it is determined that it is fault detector malfunction.
Optionally, divide when fault location exists after route or the end of branch, and the fault detector of movement
Zhi Shi determines that failure occurs after the last one of route or branch action failure indicator, otherwise determines failure
Between the last one action failure indicator and next fault detector.
Further, when carrying out fault location, it is also necessary to judge fault detector whether on same path.For example,
Judge two fault detectors whether in same path: firstly, by the logical place of the biggish failure of logical place, being deleted from end
Except a decimal point and subsequent number start, the last one decimal point and subsequent number are successively deleted, until no decimal point
Until, the logical place combination obtained every time obtains an array.If logical place is xx.yy.zz.mm, the array of formation is
{ xx.yy.zz, xx.yy, xx }.Then compared with the logical place of the lesser fault detector of logical place, when lesser logic
When position does not contain decimal point, directly it is judged as；Two fault detectors are in same path；When lesser logical place contain it is small
At several, after deletion decimal point and subsequent number compared with the element in array, when being equal to one of element, it is judged as
Two fault detectors are in same path, and otherwise two fault detectors are not or not same path.This method can be intuitively simple
Judge the path where fault detector in ground.
Optionally, determine the failure on distribution line for after ground fault, further includes:
The switching action message for obtaining the signal source under current transformer substation, marks and stores the signal source of the ground fault
Switching action message.
Further, when failure is ground fault, the signal source under current transformer substation is inquired whether there is or not switching action message,
The range of inquiry is previous predetermined period, and if there is switching action message, then the signal source switching of fault message acts mark
It is denoted as "Yes"；If there are signal source but switching action message is not detected under current transformer substation, the signal source of fault message
Switching action mark is "No"；If signal source is not present under current transformer substation, the signal source switching of fault message acts mark
It is denoted as " no signal source ".The fault message of the substation in no signal source, and have signal source but the substation without switching movement
Fault message, so only being stored, does not do warning information prompt since the data precision used for positioning is not high, only after
Continuous analysis failure provides reference, and there are the fault message of signal source switching action message, positioning result is more accurate, is storing
Warning information is formed while location data, provides guidance to the fast quick-recovery of ground fault.
It referring to fig. 4, is a kind of structure chart of distribution line failure positioning device provided by the embodiments of the present application.The device packet
It includes:
Indicator mark unit 16, for marking and storing logical place of the fault detector in distribution line；
Data capture unit 17, for obtaining in the current preset period and presetting week with upper one according to the logical place
The remote signalling data that phase internal fault indicator is sent；
Failure location unit 19, is used for:
According to the logical place of all fault detectors, complete sequence is determined；
According to the logical place for the fault detector for generating remote signalling movement, action sequence is determined；
According to the complete sequence and the action sequence, fullpath sequence is obtained；
According to the fullpath sequence and the remote signalling data, the logical bit closest to the fault detector of failure is determined
It sets, positions the failure on distribution line.
Optionally, the device further include:
Judging unit 18 whether there is remote signalling action message for judging in the remote signalling data,
If there are the remote signalling action messages in the remote signalling data, according to the logical bit of all fault detectors
It sets, determines complete sequence.
Further, judging unit 18 is also used to:
According to the fullpath sequence and the action sequence, the fault detector failed to report is determined；
According to the remote signalling data, determines and the remote signalling movement occurs on the current line under each phase of fault detector
Number；
According to the number that short-circuit remote signalling movement occurs under each phase, the position of short trouble is determined；
According to the number that ground connection remote signalling movement occurs under each phase, the position of ground fault is determined.
Optionally, the device further include:
Information flag unit 20 is marked and is stored for obtaining the switching action message of the signal source under current transformer substation
The signal source switching action message of the ground fault.
From the above technical scheme, the embodiment of the present application provides a kind of distribution line positioning device, comprising: indicator mark
Remember unit 16, data capture unit 17, judging unit 18, failure location unit 19 and information flag unit 20；It obtains current pre-
If the remote signalling data sent in the period with upper predetermined period internal fault indicator；According to the logical bit of all fault detectors
It sets, determines complete sequence；According to the logical place for the fault detector for generating remote signalling movement, action sequence is determined；Further according to complete
Whole sequence and action sequence obtain fullpath sequence；Finally according to fullpath sequence, action sequence, remote signalling data and distant
Believe action message, determines location of fault on distribution line.Device provided by the embodiments of the present application, according to patrolling for fault detector
Position is collected to fault location, and can also determine the other information of failure, improve fault message automated analysis level and is divided
Efficiency is analysed, the quick positioning of distribution line failure is realized, staff is facilitated to check failure, can rapidly and accurately look for
To fault point, electric network fault emergency repair time is saved, improves power supply efficiency.
Embodiment one
The present embodiment mainly lists the case where failure that two lines road occurs, the remote signalling action message of fault detector
It is as shown in table 1 below:
1 fault detector remote signalling action message table of table
Predetermined period is determined as 10 minutes in the present embodiment one.Respectively simultaneously to 1 ground fault of route, 2 short circuit event of route
Barrier and the positioning of 1 short trouble of route: 1, the time range internal fault indicator hair in 13:44:05 to 13:54:05 is one by one obtained
The remote signalling data sent, execution 1 Earth design of route when arriving 13:54:05, and timing acquiring 13:44:05 to 13:54:05's
All ground fault remote signalling action messages on route 1 in time range；2, obtain one by one 13:45:11 to 13:55:11 when
Between the remote signalling data that sends of range internal fault indicator, the positioning of 2 short trouble of route, and timing acquiring are executed when arriving 13:55:11
All short trouble remote signalling action messages on route 2 in the time range of 13:45:11 to 13:55:11；3, it is obtained one by one 13:
The remote signalling data that the time range internal fault indicator of 46:33 to 13:56:33 is sent executes 1 short circuit of route when arriving 13:56:33
Fault location, and all short trouble remote signalling movements on route 1 in the time range of timing acquiring 13:46:33 to 13:56:33
Information.
The position fixing process of 1 ground fault of route is specific as follows:
1 Earth design of route is executed in 13:54:05, obtains upper ground connection remote signalling an in predetermined period 10 minutes
Action message, obtains that the results are shown in Table 2:
2 route 1 of table is grounded remote signalling action message
It is illustrated in figure 2 the distributed architecture of fault detector on route 1, by patrolling for fault detector all on route 1
Collect name placement, obtained complete sequence are as follows: { 9,27-, 27.1,33,60,69 }, by the logic of the fault detector acted
Name placement, obtained action sequence are as follows: { 9,27-, 27.1 }.Determined, the fault detector acted is in same path, so
Searching out fullpath sequence in complete sequence { 9,27-, 27.1,33,60,69 } afterwards is { 9,27-, 27.1 }.It can by table 2
Know, during this period of time, the number that ground fault occurs is 1 time, further can determine whether to be out of order in " 27.1 " number indicating fault
After device；Since action sequence is consistent with fullpath sequence, so there is no the fault detectors failed to report in position fixing process；
As shown in Table 2, the numbers that all types of separate lower generation remote signalling act are successively are as follows: and A phase 3 times, B phase 1 time, C phase 0 time, so this
Failure is A phase ground fault, and occurs 44 to divide 05 second at 13.In summary judgement, the conclusion obtained are as follows: route 1 exists
44 divide 05 second generation A phase ground fault when 13 after " 27.1 " number fault detector.
The position fixing process of 2 short trouble of route is specific as follows:
The positioning of 2 short trouble of route is executed in 13:55:11, obtains upper short-circuit remote signalling an in predetermined period 10 minutes
Action message, obtains that the results are shown in Table 3:
The short-circuit remote signalling action message of 3 route of table 2
It is illustrated in figure 3 the distributed architecture of fault detector on route 2, by patrolling for fault detector all on route 2
Collect name placement, obtained complete sequence are as follows: { 1,21.1,21.1.10,21+, 46,77 }, by the fault detector acted
Logical place sequence, obtained action sequence are as follows: { 1,21.1,21.1.10,46 }.Through determining, { Isosorbide-5-Nitrae 6 } and 1,21.1,
It 21.1.10 } is two different paths.
Determine { Isosorbide-5-Nitrae 6 } path first, by the largest logical position in { Isosorbide-5-Nitrae 6 } path, complete sequence 1,21.1,
21.1.10, it is { 1,21+, 46 } that fullpath sequence is searched out in 21+, 46,77 }, thus can determine that failure occurs in " 46 " number
Between fault detector and " 77 " number fault detector.No due to action sequence { Isosorbide-5-Nitrae 6 } and fullpath sequence { 1,21+, 46 }
Unanimously, so in position fixing process, " 21 " number are the fault detector failed to report；As shown in Table 3, all types of separate lower generation remote signalling are dynamic
The number of work is successively are as follows: A phase 2 times, B phase 1 time, C phase 2 times, so this failure is AC phase short trouble, and occurs at 13
46 points 22 seconds.
Then determine { 1,21.1,21.1.10 } path, by the largest logical position in { 1,21.1,21.1.10 } path,
It is { 1,21.1,21.1.10 } that fullpath sequence is searched out in complete sequence { 1,21.1,21.1.10,21+, 46,77 }, by
This can determine that failure occurs after " 21.1.10 " number fault detector.Due to action sequence { 1,21.1,21.1.10 } with it is complete
Whole path sequence { 1,21.1,21.1.10 } unanimously, so there is no the fault detectors failed to report in position fixing process；It can by table 3
Know, all types of separate lower numbers that remote signalling movement occurs are successively are as follows: A phase 3 times, B phase 3 times, C phase 1 time, so this failure is AB
Phase short trouble, and occur 45 to divide 11 seconds at 13.
In conclusion being respectively there are two 2 short troubles of this secondary line: route 2 is in " 46 " number fault detector and " 77 "
46 divide 22 seconds generation AC phase short troubles when 13 between number fault detector, " 21 " number fault detector is the event failed to report simultaneously
Hinder indicator；Route 2 45 divides 11 seconds generation AB phase short troubles when 13 after " 21.1.10 " number fault detector.
The position fixing process of 1 short trouble of route is specific as follows:
The positioning of 1 short trouble of route is executed in 13:56:33, obtains upper short-circuit remote signalling an in predetermined period 10 minutes
Action message, obtains that the results are shown in Table 4:
The short-circuit remote signalling action message of 4 route of table 1
It is illustrated in figure 2 the distributed architecture of fault detector on route 1, by patrolling for fault detector all on route 1
Collect name placement, obtained complete sequence are as follows: { 9,27-, 27.1,33,60,69 }, by the logic of the fault detector acted
Name placement, obtained action sequence are as follows: { 9,27-, 60 }.Determined, the fault detector acted is in same path, then
It is { 9,27-, 33,60 } that fullpath sequence is searched out in complete sequence { 9,27-, 27.1,33,60,69 }.As shown in Table 4,
During this period of time, the number that short trouble occurs is 1 time, further can determine whether to be out of order in position in " 60 " number indicating fault
Between device and " 69 " number fault detector；Since action sequence and fullpath sequence are inconsistent, so in position fixing process, " 33 "
Number fault detector is the fault detector failed to report；As shown in Table 4, the numbers that all types of separate lower generation remote signalling act are successively
Are as follows: A phase 3 times, B phase 2 times, C phase 0 time, so this failure is AB phase short trouble, and occur 46 to divide 33 seconds at 13.It is comprehensive
Judgement more than conjunction, the conclusion obtained are as follows: route 1 is between " 60 " number fault detector and " 69 " number fault detector when 13
46 points of 33 seconds generation AB phase short troubles, and " 33 " number fault detector is the fault detector failed to report.
The fault location situation of two lines road is merely illustrative in the present embodiment, in the power distribution network of reality, route
There are tens of or even up to a hundred, and the these types of situation that fault type therein also not only enumerates in the present embodiment, the present embodiment
In situation be actual conditions sub-fraction, and a kind of this distribution line failure localization method provided by the embodiments of the present application
It is applicable not only to this sub-fraction, applies also for the power distribution network for possessing vast number route and more multiple faults.
From the above technical scheme, the application provides a kind of distribution line failure localization method and device, obtains current
The remote signalling data sent in predetermined period with upper predetermined period internal fault indicator；According to the logic of all fault detectors
Position determines complete sequence；According to the logical place for the fault detector for generating remote signalling movement, action sequence is determined；Further according to
Complete sequence and action sequence obtain fullpath sequence；Finally according to fullpath sequence, action sequence, remote signalling data and
Remote signalling action message determines that location of fault on distribution line, the time that failure occurs, the type of failure and the failure failed to report refer to
Show device.Method and device provided by the embodiments of the present application according to the logical place of fault detector to fault location, and may be used also
To determine the other information of failure, fault message automated analysis level and analysis efficiency are improved, realizes distribution line failure
Quickly positioning, facilitates staff to check failure, can rapidly and accurately find fault point, saves electric network fault repairing
Time improves power supply efficiency.
Those skilled in the art will readily occur to its of the application after considering specification and practicing application disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the application, these modifications, purposes or
Person's adaptive change follows the general principle of the application and including the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope of the application is pointed out by claim.
It should be understood that the application is not limited to the precise structure that has been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.Invention described above embodiment is not constituted to this hair
The restriction of bright protection scope.
Claims (10)
1. a kind of distribution line failure localization method, which is characterized in that the described method includes:
It marks and stores logical place of the fault detector in distribution line；
According to the logical place, the remote signalling that in the current preset period and upper predetermined period internal fault indicator is sent is obtained
Data；
According to the logical place of all fault detectors, complete sequence is determined；
According to the logical place for the fault detector for generating remote signalling movement, action sequence is determined；
According to the complete sequence and the action sequence, fullpath sequence is obtained；
According to the fullpath sequence and the remote signalling data, the logical place closest to the fault detector of failure is determined,
Position the failure on distribution line.
2. the method according to claim 1, wherein the remote signalling number that the fault detector for generating remote signalling movement is sent
It include remote signalling action message in；The remote signalling action message include: remote signalling movement occur route, remote signalling movement type and
The time that remote signalling movement occurs；
According to the logical place of all fault detectors, before determining complete sequence, comprising:
Judge to whether there is remote signalling action message in the remote signalling data,
If there are the remote signalling action messages in the remote signalling data, according to the logical place of all fault detectors, really
Determine complete sequence.
3. the method according to claim 1, wherein the method also includes:
According to the fullpath sequence and the action sequence, the fault detector failed to report is determined.
4. according to the method described in claim 2, it is characterized in that, the method also includes:
According to the remote signalling data, the number that the remote signalling movement occurs on current line under each phase of fault detector is determined；Institute
The type for stating remote signalling movement includes: ground connection and short circuit；
According to the number that short-circuit remote signalling movement occurs under each phase, the position of short trouble is determined；
According to the number that ground connection remote signalling movement occurs under each phase, the position of ground fault is determined.
5. according to the method described in claim 4, it is characterized in that, according to time that short-circuit remote signalling movement occurs under each phase
Number, determines the position of short trouble, comprising:
The numerical value that short-circuit remote signalling action frequency occurs under three-phase is compared, three numerical value are arranged from big to small, is followed successively by the first number
Value, second value and third value；
If three numerical value are not mutually equal, it is determined that failure is first numerical value and the corresponding line to line fault of the second value
Failure；
If first numerical value and the second value are equal, it is determined that failure is first numerical value and the second value
Corresponding two-phase short-circuit fault；
If the second value and third value is equal or three numerical value are equal, it is determined that the failure is total short circuit
Failure.
6. according to the method described in claim 4, it is characterized in that, according to time that ground connection remote signalling movement occurs under each phase
Number, determines the position of ground fault, comprising:
The numerical value that ground connection remote signalling action frequency occurs for three-phase is compared, numerical value is arranged from big to small, is followed successively by the first numerical value, second
Numerical value and third value；
If three numerical value are not mutually equal, it is determined that the failure is the corresponding phase ground fault of first numerical value；
If the first numerical value and second value is equal or three numerical value are equal, it is determined that the failure is total ground connection
Failure.
7. according to the method described in claim 4, it is characterized in that, determine distribution line on failure be ground fault after,
Further include:
The switching action message for obtaining the signal source under current transformer substation, marks and stores the signal source switching of the ground fault
Action message.
8. a kind of distribution line failure positioning device, which is characterized in that described device includes:
Indicator mark unit (16), for marking and storing logical place of the fault detector in distribution line；
Data capture unit (17), for according to the logical place, obtaining in the current preset period and a upper predetermined period
The remote signalling data that internal fault indicator is sent；
Failure location unit (19), is used for:
According to the logical place of all fault detectors, complete sequence is determined；
According to the logical place for the fault detector for generating remote signalling movement, action sequence is determined；
According to the complete sequence and the action sequence, fullpath sequence is obtained；
According to the fullpath sequence and the remote signalling data, the logical place closest to the fault detector of failure is determined,
Position the failure on distribution line.
9. device according to claim 8, which is characterized in that described device further include:
Judging unit (18) whether there is remote signalling action message for judging in the remote signalling data,
If there are the remote signalling action messages in the remote signalling data, according to the logical place of all fault detectors, really
Determine complete sequence.
10. device according to claim 9, which is characterized in that described device further include:
Information flag unit (20) is marked and is stored and connect for obtaining the switching action message of the signal source under current transformer substation
The signal source switching action message of earth fault.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592567A (en) * | 2013-10-23 | 2014-02-19 | 广东电网公司佛山供电局 | Grid fault locating system and method based on multisystem information integration |
| CN105911424A (en) * | 2016-04-08 | 2016-08-31 | 国网福建省电力有限公司 | Identification method based on fault indicator false alarm signal |
| CN106501671A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of monitoring method of electric distribution network overhead wire failure |
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| CN103592567A (en) * | 2013-10-23 | 2014-02-19 | 广东电网公司佛山供电局 | Grid fault locating system and method based on multisystem information integration |
| CN105911424A (en) * | 2016-04-08 | 2016-08-31 | 国网福建省电力有限公司 | Identification method based on fault indicator false alarm signal |
| CN106501671A (en) * | 2016-10-12 | 2017-03-15 | 国网上海市电力公司 | A kind of monitoring method of electric distribution network overhead wire failure |
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