CN108037412A - Simple electrical power distribution network fault location method based on electric field abrupt information battle array - Google Patents
Simple electrical power distribution network fault location method based on electric field abrupt information battle array Download PDFInfo
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- CN108037412A CN108037412A CN201711276844.9A CN201711276844A CN108037412A CN 108037412 A CN108037412 A CN 108037412A CN 201711276844 A CN201711276844 A CN 201711276844A CN 108037412 A CN108037412 A CN 108037412A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/12—Measuring electrostatic fields or voltage-potential
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Abstract
The present invention discloses a kind of simple electrical power distribution network fault location method based on electric field abrupt information battle array, including establishes real-time electric field information battle array REIM, with the real-time electric field information of feeder line of this gust of recording fault indicator collection；History electric field information battle array HEIM is established, with the feeder line history electric field information of this gust of recording fault indicator collection；Electric field abrupt information battle array ETIM is established, with the feeder line electric field abrupt information of this gust of recording fault indicator collection；Electric field mutation limit value Information Matrix ETLM is established, the limit value information of event feeder line electric field mutation is recorded with this gust；Electric field abrupt information logic array ETIL is established, logical message is mutated with the feeder line electric field of this gust of recording fault indicator collection, the relation between REIM, HEIM, ETIM, ETLM calculates ETIL；The fault condition of each feeder line of simple power distribution network is determined according to electric field abrupt information logic array ETIL, positions failure.The localization method can preferably realize the fault location of simple power distribution network.
Description
Technical field
The present invention relates to simple distribution network failure positioning field, specifically a kind of letter based on electric field abrupt information battle array
Easy electrical power distribution network fault location method.
Background technology
With the iterative method of intelligent power distribution network construction, it is ensured that power distribution network is safe for operation, shortens the fault outage time, improves
Power supply reliability is by extensive concern.
Simple power distribution network applies to economically underdeveloped area and a kind of of both urban and rural area is realized with improving power supply reliability
Power distribution network for the purpose of power grid is considerable, its small investment is quick, and it is few to meet very much current portions local distribution network infrastructure investment,
And the area that power supply reliability is more demanding.
Important terminal device of the fault detector as feeder automation, small with its, price is low, and powered installation need not
Have a power failure, to short circuit and earth fault all well adapting to property the features such as be simply widely used in power distribution network current.
At present, the distribution network failure decision method based on fault detector mainly has three classes：Unified matrix method, probability Estimation
Method, artificial intelligence method.In practical applications, since site environment is changeable, such as the change of temperature, humidity is greatly, and sand and dust and dust are more,
Safeguarding to wait not in time can all cause harvester accuracy to be damaged, and simple power distribution network is mostly overhead transmission line, so indicating fault
The field intensity information of device collection is more accurate, and during failure generation, is frequently accompanied by the mutation of field strength, so research is mutated with field strength
It is of great significance for the simple electrical power distribution network fault location method of information.
The content of the invention
It is an object of the invention to solve simple distribution network failure orientation problem, with reference to simple power distribution network feature, there is provided one
Simple electrical power distribution network fault location method of the kind based on electric field abrupt information battle array.
Technical solution for achieving the above object is as follows：
A kind of simple electrical power distribution network fault location method based on electric field abrupt information battle array, this method comprises the following steps：
（1）Establish real-time electric field information battle arrayREIM, and with the real-time electric field information of feeder line of this gust of recording fault indicator collection；
（2）Establish history electric field information battle arrayHEIM, and with the feeder line history electric field information of this gust of recording fault indicator collection；
（3）Establish electric field abrupt information battle arrayETIM, and with the feeder line electric field abrupt information of this gust of recording fault indicator collection；
（4）Establish electric field mutation limit value Information MatrixETLM,And the limit value information of event feeder line electric field mutation is recorded with this gust；
（5）Establish electric field abrupt information logic arrayETIL, and patrolled with the feeder line electric field mutation of this gust of recording fault indicator collection
Volume information, and withREIM、HEIM、ETIM、ETLMBetween relation calculateETIL；
（6）According to electric field abrupt information logic arrayETILDetermine the fault condition of each feeder line of simple power distribution network, and position failure.
Establish real-time electric field information battle arrayREIM, and the real-time electric field information of feeder line gathered with this gust of recording fault indicator,
Specially：
Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution
Fault detector number contained by the most feeder line of fault detector number；RE ij ForiThe of article feeder linejA fault detector collection
The real-time electric field value of feeder line,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not present,
ThenRE ij It is -1 for value.
Establish history electric field information battle arrayHEIM, and the feeder line history electric field information gathered with this gust of recording fault indicator,
Specially：
Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution
Fault detector number contained by the most feeder line of fault detector number；HE ij ForiThe of article feeder linejA fault detector collection
Feeder line history electric field value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not present,
ThenHE ij It is -1 for value；Depending on history electric field data presses actual conditions, the history value of 5 minutes before current time is generally taken.
Establish electric field abrupt information battle arrayETIM, and the feeder line electric field abrupt information gathered with this gust of recording fault indicator,
Specially：
Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution
Fault detector number contained by the most feeder line of fault detector number；ET ij ForiThe of article feeder linejA fault detector collection
Feeder line electric field mutation value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not present,
ThenET ij It is -1 for value.
Establish electric field mutation limit value Information MatrixETLM,And the limit value information of event feeder line electric field mutation is recorded with this gust, specifically
For：
In formula, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution
Fault detector number contained by the most feeder line of fault detector number；TL ij ForiThe of article feeder linejA fault detector collection
Feeder line electric field mutation limit value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not deposited
ThenTL ij It is -1 for value.
Establish electric field abrupt information logic arrayETIL, and patrolled with the feeder line electric field mutation of this gust of recording fault indicator collection
Information is collected, is specially：
Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution
Fault detector number contained by the most feeder line of fault detector number；EL ij ForiThe of article feeder linejA fault detector collection
Feeder line electric field mutation logical value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not deposited
ThenEL ij It is -1 for value.
According to electric field abrupt information logic arrayETILDetermine the fault condition of each feeder line of simple power distribution network, and position failure,
Specially：
1st step, takes electric field abrupt information logic arrayETILA line, if the row data are all 0 and -1, then it represents that the row represent
Feeder line fault-free occurs, if the row data contain 1, into the 2nd step；
2nd step, if certain row data contains 1, by the fault detector of all element representatives for being 1 according to topological relation by power supply
The order of point to distribution transformer is ranked up, then the downstream area in last fault detector occurs for failure；
3rd step, repeats the 1st step to the 2nd step, until electric field abrupt information logic arrayETILAll rows all analyzed complete.
Advantageous effects of the present invention：Real-time electric field information battle array REIM is established, and is gathered with this gust of recording fault indicator
The real-time electric field information of feeder line；History electric field information battle array HEIM is established, and is gone through with the feeder line of this gust of recording fault indicator collection
History electric field information；Electric field abrupt information battle array ETIM is established, and letter is mutated with the feeder line electric field of this gust of recording fault indicator collection
Breath；Electric field mutation limit value Information Matrix ETLM is established, and the limit value information of event feeder line electric field mutation is recorded with this gust；Electric field is established to dash forward
Become infologic battle array ETIL, and logical message be mutated with the feeder line electric field of this gust of recording fault indicator collection, and with REIM,
Relation between HEIM, ETIM, ETLM calculates ETIL；Determine that simple power distribution network is respectively presented according to electric field abrupt information logic array ETIL
The fault condition of line, and position failure.The localization method can preferably realize that the failure of simple power distribution network is studied and judged and positioned, and have
Preferable practical value.
Brief description of the drawings
Fig. 1 is typical power distribution network figure.
Embodiment
The present invention will be described in detail below：
（1）Establish real-time electric field information battle arrayREIM, and with the real-time electric field information of feeder line of this gust of recording fault indicator collection；
（2）Establish history electric field information battle arrayHEIM, and with the feeder line history electric field information of this gust of recording fault indicator collection；
（3）Establish electric field abrupt information battle arrayETIM, and with the feeder line electric field abrupt information of this gust of recording fault indicator collection；
（4）Establish electric field mutation limit value Information MatrixETLM, and the limit value information being mutated with this gust record therefore feeder line electric field；
（5）Establish electric field abrupt information logic arrayETIL, and patrolled with the feeder line electric field mutation of this gust of recording fault indicator collection
Volume information, and withREIM、HEIM、ETIM、ETLMBetween relation calculateETIL；
（6）According to electric field abrupt information logic arrayETILDetermine the fault condition of each feeder line of simple power distribution network, and position failure.
Establish real-time electric field information battle arrayREIM, and the real-time electric field information of feeder line gathered with this gust of recording fault indicator,
Specially：
Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution
Fault detector number contained by the most feeder line of fault detector number；RE ij ForiThe of article feeder linejA fault detector collection
The real-time electric field value of feeder line,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not present,
ThenRE ij It is -1 for value.
Establish history electric field information battle arrayHEIM, and the feeder line history electric field information gathered with this gust of recording fault indicator,
Specially：
Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution
Fault detector number contained by the most feeder line of fault detector number；HE ij ForiThe of article feeder linejA fault detector collection
Feeder line history electric field value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not present,
ThenHE ij It is -1 for value；Depending on history electric field data presses actual conditions, the history value of 5 minutes before current time is generally taken.
Establish electric field abrupt information battle arrayETIM, and the feeder line electric field abrupt information gathered with this gust of recording fault indicator,
Specially：
Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution
Fault detector number contained by the most feeder line of fault detector number；ET ij ForiThe of article feeder linejA fault detector collection
Feeder line electric field mutation value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not present,
ThenET ij It is -1 for value.
Establish electric field mutation limit value Information MatrixETLM,And the limit value information of event feeder line electric field mutation is recorded with this gust, specifically
For：
In formula, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution
Fault detector number contained by the most feeder line of fault detector number；TL ij ForiThe of article feeder linejA fault detector collection
Feeder line electric field mutation limit value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not deposited
ThenTL ij It is -1 for value.
Establish electric field abrupt information logic arrayETIL, and patrolled with the feeder line electric field mutation of this gust of recording fault indicator collection
Information is collected, is specially：
Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution
Fault detector number contained by the most feeder line of fault detector number；EL ij ForiThe of article feeder linejA fault detector collection
Feeder line electric field mutation logical value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not deposited
ThenEL ij It is -1 for value.
According to electric field abrupt information logic arrayETILDetermine the fault condition of each feeder line of simple power distribution network, and position failure,
Specially：
1st step, takes electric field abrupt information logic arrayETILA line, if the row data are all 0 and -1, then it represents that the row represent
Feeder line fault-free occurs, if the row data contain 1, into the 2nd step；
2nd step, if certain row data contains 1, by the fault detector of all element representatives for being 1 according to topological relation by power supply
The order of point to distribution transformer is ranked up, then the downstream area in last fault detector occurs for failure；
3rd step, repeats the 1st step to the 2nd step, until electric field abrupt information logic arrayETILAll rows all analyzed complete.
The present invention above-mentioned n, m are natural number.
Specific implementation as shown in Figure 1, wherein A ~ L be the failure indicator terminal with electric field acquisition function, M, N for
The line feed terminals of interconnection switch digital ＆ analog signal acquisition function, S1, S2, S3 are substation's outlet switch acquisition terminal, it is assumed that failure
Occur at Fault1, Fault2 two, then fault location process analysis procedure analysis is as follows：
If the real-time electric field information battle array of delivery electric automation main station system on certain moment each fault detector acquisition terminalREIM
It is as follows：
The feeder line history electric field information of fault detector collectionHEIMIt is as follows：
Therefore electric field abrupt information battle arrayETIMIt is as follows：
The limit value Information Matrix of feeder line electric field mutationETLMFor：
Determine electric field abrupt information logic arrayETILFor：
The fault detector that 1st row logical value is 1 is D, then it represents that failure occurs in the downstream of fault detector D.
The fault detector that 2nd row logical value is 1 is I, H, then the downstream area in fault detector H occurs for failure.
3rd row is without the fault detector that logical value is 1, so the feeder line fault-free occurs.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can
To instruct relevant hardware to complete by computer program, the program can be stored in a computer-readable storage
In medium, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can
For magnetic disc, CD, read-only memory (Read-OnlyMemory, ROM) or random access memory
(RandomAccessMemory, RAM) etc..
The above-mentioned analysis method of the present invention can preferably realize that the failure of simple power distribution network is studied and judged and positioned, through our company scene
Verification experimental verification effect is preferable, there is preferable practical value.
Although the foregoing describing the embodiment of the present invention, those familiar with the art should manage
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, are familiar with this
The equivalent modification and change that the technical staff in field is made in the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (7)
- A kind of 1. simple electrical power distribution network fault location method based on electric field abrupt information battle array, it is characterised in that：This method is included such as Lower step：（1）Establish real-time electric field information battle arrayREIM, and with the real-time electric field information of feeder line of this gust of recording fault indicator collection；（2）Establish history electric field information battle arrayHEIM, and with the feeder line history electric field information of this gust of recording fault indicator collection；（3）Establish electric field abrupt information battle arrayETIM, and with the feeder line electric field abrupt information of this gust of recording fault indicator collection；（4）Establish electric field mutation limit value Information MatrixETLM,And the limit value information of event feeder line electric field mutation is recorded with this gust；（5）Establish electric field abrupt information logic arrayETIL, and patrolled with the feeder line electric field mutation of this gust of recording fault indicator collection Volume information, and withREIM、HEIM、ETIM、ETLMBetween relation calculateETIL；（6）According to electric field abrupt information logic arrayETILDetermine the fault condition of each feeder line of simple power distribution network, and position failure.
- 2. the simple electrical power distribution network fault location method according to claim 1 based on electric field abrupt information battle array, its feature exist In：Establish real-time electric field information battle arrayREIM, and the real-time electric field information of feeder line gathered with this gust of recording fault indicator, specifically For：Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution Fault detector number contained by the most feeder line of fault detector number；RE ij ForiThe of article feeder linejA fault detector collection The real-time electric field value of feeder line,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not present, ThenRE ij It is -1 for value.
- 3. the simple electrical power distribution network fault location method according to claim 1 based on electric field abrupt information battle array, its feature exist In：Establish history electric field information battle arrayHEIM, and the feeder line history electric field information gathered with this gust of recording fault indicator, specifically For：Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution Fault detector number contained by the most feeder line of fault detector number；HE ij ForiThe of article feeder linejA fault detector collection Feeder line history electric field value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not present, ThenHE ij It is -1 for value；Depending on history electric field data presses actual conditions, the history value of 5 minutes before current time is generally taken.
- 4. the simple electrical power distribution network fault location method according to claim 1 based on electric field abrupt information battle array, its feature exist In：Establish electric field abrupt information battle arrayETIM, and the feeder line electric field abrupt information gathered with this gust of recording fault indicator, specifically For：Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution Fault detector number contained by the most feeder line of fault detector number；ET ij ForiThe of article feeder linejA fault detector collection Feeder line electric field mutation value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not present, ThenET ij It is -1 for value.
- 5. the simple electrical power distribution network fault location method according to claim 1 based on electric field abrupt information battle array, its feature exist In：Establish electric field mutation limit value Information MatrixETLM,And the limit value information of event feeder line electric field mutation is recorded with this gust, it is specially：In formula, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution Fault detector number contained by the most feeder line of fault detector number；TL ij ForiThe of article feeder linejA fault detector collection Feeder line electric field mutation limit value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not deposited ThenTL ij It is -1 for value.
- 6. the simple electrical power distribution network fault location method according to claim 1 based on electric field abrupt information battle array, its feature exist In：Establish electric field abrupt information logic arrayETIL, and with the feeder line electric field mutation logic letter of this gust of recording fault indicator collection Breath, is specially：Wherein, a feeder line is represented per a line,nThe feeder line total number included by simple power distribution network,mContained by simple distribution Fault detector number contained by the most feeder line of fault detector number；EL ij ForiThe of article feeder linejA fault detector collection Feeder line electric field mutation logical value,i=1,2,3,…,n;j=1,2,3,…,m；IfiThe of article feeder linejA fault detector is not deposited ThenEL ij It is -1 for value.
- 7. according to any simple electrical power distribution network fault location methods based on electric field abrupt information battle array of claim 1-6, its It is characterized in that：According to electric field abrupt information logic arrayETILDetermine the fault condition of each feeder line of simple power distribution network, and position failure, specifically For：1st step, takes electric field abrupt information logic arrayETILA line, if the row data are all 0 and -1, then it represents that the row represent Feeder line fault-free occurs, if the row data contain 1, into the 2nd step；2nd step, if certain row data contains 1, by the fault detector of all element representatives for being 1 according to topological relation by power supply The order of point to distribution transformer is ranked up, then the downstream area in last fault detector occurs for failure；3rd step, repeats the 1st step to the 2nd step, until electric field abrupt information logic arrayETILAll rows all analyzed complete.
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