CN105301450A - Distribution network fault automatic diagnosis method and system - Google Patents
Distribution network fault automatic diagnosis method and system Download PDFInfo
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Abstract
The embodiment of the invention discloses a distribution network fault automatic diagnosis method and a system. The method includes: establishing a distribution network historical fault database, obtaining current measuring data, comparing the measuring data with data information of the historical fault database, performing diagnosis processing, and giving a processing result. According to the method and the system, the established historical fault database includes expert experience and solutions of previous distribution network faults, when the distribution network has faults, the current measuring data is obtained and compared with the data in the historical fault database, corresponding expert suggestions and solutions are obtained, and the efficiency for distribution network fault diagnosis is greatly improved.
Description
Technical field
The present invention relates to power fault detection technical field, particularly relate to a kind of Distribution Network Failure automatic diagnosis method and system.
Background technology
Power distribution network is the important public infrastructure of national economy and social development.In recent years, China's distribution network construction drops into and continues to increase, and power distribution network development obtains remarkable effect.But always there will be various problem in distribution process, Distribution Network Failure happens occasionally, and kind is more, partial fault reason is complicated.
At present, fault diagnosis depends on the experience of expert to a great extent, and these experiences are also often easily lost, malfunction elimination work is lack of standardization, lacks and effectively instructs, testing tool, equipment imperfection, backward in technique, information sharing degree is low, reduces the efficiency of failture evacuation in distribution process, brings larger difficulty to distribution work.
Summary of the invention
A kind of Distribution Network Failure automatic diagnosis method and system is provided, to solve the inefficient problem of method for diagnosing faults of the prior art diagnosis Distribution Network Failure in the embodiment of the present invention.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
A kind of Distribution Network Failure automatic diagnosis method, described method comprises:
Set up distribution historical failure data storehouse;
Obtain current measurement data;
Data message in described measurement data and described historical failure data storehouse is compared, and makes diagnostic process;
Provide result.
Preferably, describedly set up distribution historical failure data storehouse, comprising:
Obtain distribution historical failure data information;
Described historical failure data information is carried out classifying and sets up different historical failure information corresponding fault signature, diagnostic method and disposal route;
Corresponding for the described historical failure data information of described historical failure data information and foundation fault signature, diagnostic method and disposal route are stored in database.
Preferably, described data message in measurement data and historical failure data storehouse to be compared, and makes diagnostic process, comprising:
Obtain described measurement data;
Data message in described measurement data and described historical failure data storehouse is compared, determines corresponding its diagnosis processing method;
Described its diagnosis processing method according to determining makes diagnostic process.
Preferably, described data message in measurement data and described historical failure data storehouse to be compared, comprising:
Extract described measurement data characteristic of correspondence information;
Data message in described characteristic information and described historical failure data storehouse is compared one by one;
Determine the data message the most close with described characteristic information.
Preferably, the described its diagnosis processing method determining correspondence, comprising:
According to the data message the most close with described characteristic information, extract described data message to diagnostic method and disposal route;
Provide corresponding diagnostic process.
A kind of Distribution Network Failure auto-check system, described system comprises:
Data set up module, for setting up distribution historical failure data storehouse;
Acquisition module, for obtaining current measurement data;
Diagnostic process module, for being compared by the data message in described measurement data and described historical failure data storehouse, and makes diagnostic process;
Display module, for providing result and showing.
Preferably, described data are set up module and are comprised historical data acquiring unit, data relationship unit and storage unit, wherein:
Historical data acquiring unit, for obtaining distribution historical failure data information;
Data relationship unit, for being undertaken classifying by described historical failure data information and setting up different historical failure information corresponding fault signature, diagnostic method and disposal route;
Storage unit, for storing described historical failure data information and corresponding fault signature, diagnostic method and the disposal route of different historical failure information.
Preferably, described diagnostic process module comprises acquiring unit, comparison diagnosis unit and processing unit, wherein:
Acquiring unit, for obtaining described measurement data;
Comparison diagnosis unit, for being compared by the data message in described measurement data and described historical failure data storehouse, determines corresponding its diagnosis processing method;
Processing unit, for making diagnostic process.
Preferably, described comparison diagnosis unit comprises extraction subelement, comparer unit and process subelement
Extract subelement, for extracting described measurement data characteristic of correspondence information;
Comparer unit, for comparing data message in described characteristic information and described historical failure data storehouse one by one;
Process subelement, for determining the data message the most close with described characteristic information.
From above technical scheme, a kind of Distribution Network Failure automatic diagnosis method that the embodiment of the present invention provides and system, comprise: set up distribution historical failure data storehouse, obtain current measurement data, data message in described measurement data and described historical failure data storehouse is compared, and make diagnostic process, provide result.Expertise and the solution of Distribution Network Failure is in the past included in the historical failure data storehouse set up, when distribution is broken down, obtain current measurement data, compare to the data in historical failure data storehouse and obtain corresponding expert advice and solution, greatly improve the efficiency of Distribution Network Failure diagnosis.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of a kind of Distribution Network Failure automatic diagnosis method that Fig. 1 provides for the embodiment of the present invention;
The structural representation of a kind of Distribution Network Failure auto-check system that Fig. 2 provides for the embodiment of the present invention.
Embodiment
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
See Fig. 1, be the schematic flow sheet of a kind of Distribution Network Failure automatic diagnosis method that the embodiment of the present invention provides, described method comprises:
S100, set up distribution historical failure data storehouse, specifically comprise: obtain distribution historical failure data information, described historical failure data information is carried out classifying and sets up different historical failure information corresponding fault signature, diagnostic method and disposal route, corresponding for the described historical failure data information of described historical failure data information and foundation fault signature, diagnostic method and disposal route are stored in database.
The data comprised in described historical failure data storehouse have electric pressure, functions of the equipments; Phenomenon of the failure includes the correlated phenomena and data of having found out distribution equipment malfunction in database, and wherein controller switching equipment is divided into power transformation class, transmission of electricity class, metering class.Fault diagnosis includes the related data having found out failure cause in database, includes as finding data that failure cause should measure, process of measurement, measuring equipment, measurement result differentiate, failure cause display; Fault handling includes the disposal route having found out fault in database, includes the handling procedure of fault, technological means, preventive measure.
S200, obtains current measurement data, when there is Distribution Network Failure in distribution process, obtains current fault data for the faulty equipment of current appearance, phenomenon of the failure.Specifically be included in distribution process, when a certain controller switching equipment goes wrong particularly, the information of prompting of breaking down for current power distribution equipment, extract the data of described fault cues information, line item of going forward side by side is prepared for next step processes this fault.
Such as in process of distributing electricity, there is a transformer to go wrong, first will obtain the capacity of described transformer and described transformer and to break down feature performance, and record is carried out to above-mentioned data.
S300, data message in described measurement data and described historical failure data storehouse is compared, and make diagnostic process, extract described measurement data characteristic of correspondence information, data message in described characteristic information and described historical failure data storehouse is compared one by one, determines the data message the most close with described characteristic information.
The transformer such as, provided in S200 breaks down, obtain the fault signature performance that the capacity of transformer and transformer break down, data message in above-mentioned data and described historical data base is compared, first the transformer fault information of this capacity matchings all is all screened, then data message current transformer broken down and the described information screened carry out further comparison, select consistent or the most close historical failure information.
In the distribution process of reality, transformer fault is caused to have a variety of, soil moisture, soil resistivity etc. all can have impact, if because native resistivity causes during current transformer fault, but relevantly to transformer fault in the information screened include the historical data that soil moisture and soil resistivity cause transformer fault, if first than the historical failure data that right current transformer fault information data and this model transformer cause because of soil moisture, after comparison, data are inconsistent, cause when getting rid of current transformer fault because of soil moisture.Carry out comparing further, when the historical failure data that this model transformer of comparison causes because of soil resistivity, data are basically identical or identical, then determine that current transformer failure message causes because of soil resistivity.
S400, provides result, comprises the historical failure information corresponding to the current failure information determined in S300, finds out the method for solution, carry out artificial treatment.
If current device failure message is because of transformer fault that soil resistivity causes in S300, find out the solution that soil resistivity causes transformer fault, surveying instrument is adopted to measure the resistivity of soil, if because soil resistivity is too high, then friction reducer can be increased in soil; If because the soil resistivity problem that causes of the pH value of soil, then improve the pH value of soil.
As seen from the above-described embodiment, a kind of Distribution Network Failure automatic diagnosis method that above-described embodiment provides and system, comprise: set up distribution historical failure data storehouse, obtain current measurement data, data message in described measurement data and described historical failure data storehouse is compared, and make diagnostic process, provide result.Expertise and the solution of Distribution Network Failure is in the past included in the historical failure data storehouse set up, when distribution is broken down, obtain current measurement data, compare to the data in historical failure data storehouse and obtain corresponding expert advice and solution, greatly improve the efficiency of Distribution Network Failure diagnosis.
Corresponding with a kind of Distribution Network Failure automatic diagnosis method embodiment provided by the invention, present invention also offers a kind of embodiment of Distribution Network Failure auto-check system.
See Fig. 2, be the structural representation of a kind of Distribution Network Failure auto-check system that the embodiment of the present invention provides, described system comprises:
Data set up module 101, for setting up distribution historical failure data storehouse; Described data are set up module 101 and are comprised: historical data acquiring unit, data relationship unit and storage unit;
Described historical data acquiring unit, for obtaining distribution historical failure data information;
Described data relationship unit, for being undertaken classifying by described historical failure data information and setting up different historical failure information corresponding fault signature, diagnostic method and disposal route;
Described storage unit, for storing described historical failure data information and corresponding fault signature, diagnostic method and the disposal route of different historical failure information.
Acquisition module 201, for obtaining current measurement data, when distribution is broken down, for the facility information broken down, phenomenon of the failure, and carrying out data processing to current fault, obtaining current measurement data.
Diagnostic process module 301, for the data message in described measurement data and described historical failure data storehouse is compared, and make diagnostic process, described diagnostic process module comprises: acquiring unit, comparison diagnosis unit and processing unit, wherein: described acquiring unit, for obtaining described measurement data; Described comparison diagnosis unit, for being compared by the data message in described measurement data and described historical failure data storehouse, determines corresponding its diagnosis processing method; Described processing unit, for making diagnostic process.
Described comparison diagnosis unit comprises: extract subelement, comparer unit and process subelement.Described extraction subelement, for extracting described measurement data characteristic of correspondence information; Described comparer unit, for being compared one by one by data message in described characteristic information and described historical failure data storehouse, described process subelement, for determining the data message the most close with described characteristic information;
Display module 401, for providing result and showing.The information that described display module 401 shows can be illustrated in face of technician intuitively.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for device or system embodiment, because it is substantially similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.Apparatus and system embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the specific embodiment of the present invention, those skilled in the art is understood or realizes the present invention.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a Distribution Network Failure automatic diagnosis method, is characterized in that, described method comprises:
Set up distribution historical failure data storehouse;
Obtain current measurement data;
Data message in described measurement data and described historical failure data storehouse is compared, and makes diagnostic process;
Provide result.
2. Distribution Network Failure automatic diagnosis method according to claim 1, is characterized in that, describedly sets up distribution historical failure data storehouse, comprising:
Obtain distribution historical failure data information;
Described historical failure data information is carried out classifying and sets up different historical failure information corresponding fault signature, diagnostic method and disposal route;
Corresponding for the described historical failure data information of described historical failure data information and foundation fault signature, diagnostic method and disposal route are stored in database.
3. Distribution Network Failure automatic diagnosis method according to claim 1, is characterized in that, is describedly compared by data message in measurement data and historical failure data storehouse, and makes diagnostic process, comprising:
Obtain described measurement data;
Data message in described measurement data and described historical failure data storehouse is compared, determines corresponding its diagnosis processing method;
Described its diagnosis processing method according to determining makes diagnostic process.
4. Distribution Network Failure automatic diagnosis method according to claim 3, is characterized in that, is describedly compared by data message in measurement data and described historical failure data storehouse, comprising:
Extract described measurement data characteristic of correspondence information;
Data message in described characteristic information and described historical failure data storehouse is compared one by one;
Determine the data message the most close with described characteristic information.
5. Distribution Network Failure automatic diagnosis method according to claim 4, is characterized in that, the described its diagnosis processing method determining correspondence, comprising:
According to the data message the most close with described characteristic information, extract described data message to diagnostic method and disposal route;
Provide corresponding diagnostic process.
6. a Distribution Network Failure auto-check system, is characterized in that, described system comprises:
Data set up module, for setting up distribution historical failure data storehouse;
Acquisition module, for obtaining current measurement data;
Diagnostic process module, for being compared by the data message in described measurement data and described historical failure data storehouse, and makes diagnostic process;
Display module, for providing result and showing.
7. Distribution Network Failure auto-check system according to claim 6, is characterized in that, described data are set up module and comprised historical data acquiring unit, data relationship unit and storage unit, wherein:
Historical data acquiring unit, for obtaining distribution historical failure data information;
Data relationship unit, for being undertaken classifying by described historical failure data information and setting up different historical failure information corresponding fault signature, diagnostic method and disposal route;
Storage unit, for storing described historical failure data information and corresponding fault signature, diagnostic method and the disposal route of different historical failure information.
8. Distribution Network Failure auto-check system according to claim 6, is characterized in that, described diagnostic process module comprises acquiring unit, comparison diagnosis unit and processing unit, wherein:
Acquiring unit, for obtaining described measurement data;
Comparison diagnosis unit, for being compared by the data message in described measurement data and described historical failure data storehouse, determines corresponding its diagnosis processing method;
Processing unit, for making diagnostic process.
9. Distribution Network Failure auto-check system according to claim 8, is characterized in that, described comparison diagnosis unit comprises extraction subelement, comparer unit and process subelement
Extract subelement, for extracting described measurement data characteristic of correspondence information;
Comparer unit, for comparing data message in described characteristic information and described historical failure data storehouse one by one;
Process subelement, for determining the data message the most close with described characteristic information.
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| CN114295940A (en) * | 2022-01-04 | 2022-04-08 | 珠海市鸿瑞信息技术股份有限公司 | Distribution network fault state monitoring system and method based on smart city |
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