CN102707195A - Oscilloscope fault analysis platform and establishment method thereof - Google Patents
Oscilloscope fault analysis platform and establishment method thereof Download PDFInfo
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- CN102707195A CN102707195A CN2012101787570A CN201210178757A CN102707195A CN 102707195 A CN102707195 A CN 102707195A CN 2012101787570 A CN2012101787570 A CN 2012101787570A CN 201210178757 A CN201210178757 A CN 201210178757A CN 102707195 A CN102707195 A CN 102707195A
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Abstract
The invention discloses an oscilloscope fault analysis platform and an establishment method thereof. A communication module and an intelligent analysis module are arranged on a communication server; when a power grid fails, an oscilloscope operates and uploads fault waveform files to the communication server, the communication module receives the fault waveform files, the intelligent analysis module is called, the waveform files are analyzed via a fault analysis algorithm of the intelligent analysis module, and fault information is integrated and generated to form a report file transmitted to a working station; and the report file is displayed via a human-computer interface operating in the working station. According to the invention, the intelligent analysis module is mounted at the server end of a wave-recording networking, analyzes the actively unloaded fault waveform files in real time, and displays the analysis result in form of a report; and in addition, the accuracy and the rapidity of fault analysis are improve to a great extent with the help of intelligent analysis, traditional manual operation is avoided, manpower and material resources are saved, the working efficiency is improved, and emergency repair work is well facilitated.
Description
Technical field
The present invention relates to a kind of oscillograph fault analysis platform and method for building up thereof, belong to technical field of power systems.
Background technology
The analysis tool that the fault analysis of record ripple networking at present all is to use oscillograph producer to provide is separately analyzed; Because fault oscillograph producer is numerous, in order to carry out the remote transmission of failure message, the failure wave-recording remote software of different manufacturers need be installed on a backstage; Even use same producer also a plurality of softwares can occur sometimes because of the difference of equipment; Lack a unified fault information managing platform and go managing failures information, operating personnel must be familiar with the software of numerous producers simultaneously, when fault; Active goes to search, analysis of failure, very inconvenience.
And record ripple networking mostly do not possess the intellectual analysis function, perhaps can only use the record ripple file of the own producer of intellectual analysis tool analysis that producer separately provides, and needs manually-operated, and the loaded down with trivial details and easy error of process does not have report output simultaneously yet.Download, look facility that the networking of record ripple only possesses basic waveform can not carry out intelligent decision to fault.When breaking down, still need manual work that fault is analyzed.
Summary of the invention
Technical matters to be solved by this invention is to have realized a kind of intelligent fault judgement of when transmitted waveform, carrying out; When electrical network has fault to take place, can analyze the wave file that send on the oscillograph automatically, and automatically fault analyzed; Generate Trouble Report, substitute manual analysis in the past with intellectual analysis.
For solving the problems of the technologies described above, the present invention provides a kind of oscillograph fault analysis platform, it is characterized in that,
Comprise the communication module and the intelligent analysis module that are arranged on the communication server, intelligent analysis module exists with the form of dynamic base, is called by communication module;
When electrical network breaks down; Oscillograph record ripple and on send the fault waveform file to communication server; Said communication module receives this wave file, and calls said intelligent analysis module, by the fault analysis algorithm in the said intelligent analysis module this wave file is analyzed; After determining failure message and integrating the generation report file, pass to workstation by said communication module;
Man-machine interface by running on the workstation shows report file.
Said failure message comprises faulty line, fault localization, fault type.
The information stores of said wave file, report file in one with the data server of said communication server, workstation communication in.
A kind of method for building up of oscillograph fault analysis platform is characterized in that,
Communication module and intelligent analysis module are set on communication server, and intelligent analysis module exists with the form of dynamic base, is called by communication module;
When electrical network breaks down; Oscillograph record ripple and on send the fault waveform file to communication server; Receive wave file by communication module, and call intelligent analysis module, this wave file is analyzed by the fault analysis algorithm in the intelligent analysis module; After determining failure message and integrating the generation report file, pass to workstation by communication module;
Man-machine interface by running on the workstation shows report file.
When electrical network breaks down, oscillograph record ripple and on send the fault waveform file to communication server, file is temporarily stored under the module operation catalogue after receiving wave file by communication module with the TCP mode.
Said failure message comprises faulty line, fault localization, fault type.
Said man-machine interface is used for the demonstration with the result that issues of processing command, and display result is carried out and returned to the order that issues by said communication server.
The information stores of said wave file, report file in one with the data server of said communication server, workstation communication in.
Said intelligent analysis module determines failure message and integrates and generates report file, is stored under the current path, passes to workstation by communication module.
Wave file is searched and resolved to said intelligent analysis module internal condition filename, determines fault type and calculate distance measurement value, simultaneously fault waveform carried out sectional drawing, and be attached in the report file; The report file of the analysis result that generates will be to be stored under the path of importing wave file into fault waveform file same names, html format.
The beneficial effect that the present invention reached:
The present invention installs an intelligent analysis module in the service end of record ripple networking, the fault waveform that send in the active is carried out real-time analysis, and analysis result is shown with report form.Under the help of intellectual analysis, improved the accuracy and the rapidity of fault analysis greatly, replaced manually-operated in the past, the input of having saved human and material resources has improved work efficiency, and work has help preferably to accident maintenance.
Description of drawings
Fig. 1 is a record ripple networking structure synoptic diagram;
Fig. 2 is the failure wave-recording applicator platform that method of the present invention is set up;
Fig. 3 is the embodiment that a fault distance is measured.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Structure as shown in Figure 1 is adopted in the record ripple networking of the present invention's operation.Man-machine interface runs on the workstation; Be used for the demonstration with the result that issues of processing command; Like checking of the download of wave file, analysis and intelligent fault report etc.; The order that issues is carried out and return results by communication server through switch, and wherein data server is used for information such as stored waveform, report.
Include the oscillograph fault analysis platform of setting up through method of the present invention in the communication server, as shown in Figure 2, be provided with communication module and intelligent analysis module in the communication server.Intelligent analysis module exists with the form of dynamic base, is called by communication module.When electrical network breaks down, oscillograph record ripple and on send the fault waveform file to communication server, this moment, communication module was temporarily stored in file under the communication module operation catalogue after receiving wave file with the TCP mode.If producer's user-defined format; Be COMTRADE 1999 forms of standard with producer's format conversion earlier; Call intelligent analysis module then, this wave file is analyzed, determine like information such as fault circuit, fault localization, fault type and integration and generate report file by the fault analysis algorithm in the intelligent analysis module; Be stored under the current path, pass to workstation by communication module.
Intelligent analysis module exists with the dynamic base form, and its calling interface is:
int?analysis_waveform(const?char*file)；
The store path that only need import fault waveform here into gets final product, and wave file is searched and resolved to intelligent analysis module internal condition filename, determines fault type and calculate distance measurement value, simultaneously fault waveform carried out sectional drawing, and be attached in the report.If analyze successfully, function returns 1, and failure returns 0.The analysis result that generates will be to be stored under the path of importing wave file into fault waveform same names, html format.HTML, promptly HTML is a current language on the WWW, it makes simple, and is powerful, simultaneously and platform independence, is suitable as very much the storage format or the demonstration of report.
It is the fault of which kind of type that intelligent analysis module at first determines according to the COMTRADE file.
Be that example describes with the differentiation of a singlephase earth fault and the method for range finding below, as:
A. when phase current increase, a phase voltage reduces, and is same separate;
B., zero-sequence current appears, residual voltage;
C. about about 80 degree of the leading fault phase current of fault phase voltage;
D. about leading residual voltage 110 degree of zero-sequence current;
E. the zero-sequence current phase place is got over the fault phase current in the same way, and residual voltage and fault phase voltage are reverse.
When satisfying above-mentioned condition, can judge that this fault type is a singlephase earth fault.Can calculate fault distance after determining fault type, as shown in Figure 3,
When single-phase short circuit takes place, with A through resistance R
aShort circuit is an example, and trouble spot G is p from the ratio of the distance of measuring junction E side the line is busy road total length, and then electric current and voltage has following relation:
Wherein: U
Ea, I
Ea, I
E0A phase voltage, electric current and zero-sequence current for the measurement of E side.C
E0Be the zero-sequence current distribution coefficient.K=Z0-Z1/3 * Z1 is a design factor, and wherein, Z0 is a zero sequence impedance, and Z1 is a positive sequence impedance.
When known line both sides system zero sequence impedance, the unknown R of two real numbers is arranged in the equation
g, p.Formula 1 is decomposed into real part and two equations of imaginary part can calculate fault distance p.
The above only is a preferred implementation of the present invention in the following formula; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and distortion, these improvement and distortion also should be regarded as protection scope of the present invention.
Claims (10)
1. an oscillograph fault analysis platform is characterized in that,
Comprise the communication module and the intelligent analysis module that are arranged on the communication server, intelligent analysis module exists with the form of dynamic base, is called by communication module;
When electrical network breaks down; Oscillograph record ripple and on send the fault waveform file to communication server; Said communication module receives this wave file, and calls said intelligent analysis module, by the fault analysis algorithm in the said intelligent analysis module this wave file is analyzed; After determining failure message and integrating the generation report file, pass to workstation by said communication module;
Man-machine interface by running on the workstation shows report file.
2. oscillograph fault analysis platform according to claim 1 is characterized in that said failure message comprises faulty line, fault localization, fault type.
3. oscillograph fault analysis platform according to claim 1 is characterized in that, the information stores of said wave file, report file in one with the data server of said communication server, workstation communication in.
4. the method for building up of an oscillograph fault analysis platform is characterized in that,
Communication module and intelligent analysis module are set on communication server, and intelligent analysis module exists with the form of dynamic base, is called by communication module;
When electrical network breaks down; Oscillograph record ripple and on send the fault waveform file to communication server; Receive wave file by communication module, and call intelligent analysis module, this wave file is analyzed by the fault analysis algorithm in the intelligent analysis module; After determining failure message and integrating the generation report file, pass to workstation by communication module;
Man-machine interface by running on the workstation shows report file.
5. the method for building up of oscillograph fault analysis platform according to claim 4; It is characterized in that; When electrical network breaks down; Oscillograph record ripple and on send the fault waveform file to communication server, file is temporarily stored under the module operation catalogue after receiving wave file by communication module with the TCP mode.
6. the method for building up of oscillograph fault analysis platform according to claim 4 is characterized in that said failure message comprises faulty line, fault localization, fault type.
7. the method for building up of oscillograph fault analysis platform according to claim 4 is characterized in that, said man-machine interface is used for the demonstration with the result that issues of processing command, and display result is carried out and returned to the order that issues by said communication server.
8. the method for building up of oscillograph fault analysis platform according to claim 4 is characterized in that, the information stores of said wave file, report file in one with the data server of said communication server, workstation communication in.
9. the method for building up of oscillograph fault analysis platform according to claim 4 is characterized in that, said intelligent analysis module determines failure message and integrates and generates report file, is stored under the current path, passes to workstation by communication module.
10. the method for building up of oscillograph fault analysis platform according to claim 4; It is characterized in that wave file is searched and resolved to said intelligent analysis module internal condition filename, determines fault type and calculate distance measurement value; Simultaneously fault waveform is carried out sectional drawing, and be attached in the report file; The report file of the analysis result that generates will be to be stored under the path of importing wave file into fault waveform file same names, html format.
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| CN103439635A (en) * | 2013-09-06 | 2013-12-11 | 华北电力大学 | Electric power system wave-recoding file based fault detection method and system |
| CN103683509A (en) * | 2013-12-11 | 2014-03-26 | 国家电网公司 | Fault wave recording networking system |
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| CN109813999A (en) * | 2019-01-22 | 2019-05-28 | 山东大学 | A kind of Fault Diagnosis of Distribution Network algorithm automatically testing platform, method and application |
| CN112306877A (en) * | 2020-10-30 | 2021-02-02 | 山东山大电力技术股份有限公司 | Power system fault operation and maintenance method and system |
| CN112649694A (en) * | 2019-10-12 | 2021-04-13 | 南京南瑞继保电气有限公司 | Method for judging single-phase earth fault of small-current grounding system |
| CN113741389A (en) * | 2021-08-27 | 2021-12-03 | 东风汽车股份有限公司 | Fault diagnosis system of PLC (programmable logic controller) automation equipment and use method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103439635A (en) * | 2013-09-06 | 2013-12-11 | 华北电力大学 | Electric power system wave-recoding file based fault detection method and system |
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| CN104502753A (en) * | 2014-12-15 | 2015-04-08 | 国家电网公司 | Networked on-line real-time analysis system for electric power fault recording device and application of system |
| CN109813999A (en) * | 2019-01-22 | 2019-05-28 | 山东大学 | A kind of Fault Diagnosis of Distribution Network algorithm automatically testing platform, method and application |
| CN112649694A (en) * | 2019-10-12 | 2021-04-13 | 南京南瑞继保电气有限公司 | Method for judging single-phase earth fault of small-current grounding system |
| CN112649694B (en) * | 2019-10-12 | 2023-11-17 | 南京南瑞继保电气有限公司 | Method for judging single-phase grounding fault of low-current grounding system |
| CN112306877A (en) * | 2020-10-30 | 2021-02-02 | 山东山大电力技术股份有限公司 | Power system fault operation and maintenance method and system |
| CN112306877B (en) * | 2020-10-30 | 2024-02-20 | 山东山大电力技术股份有限公司 | Power system fault operation and maintenance method and system |
| CN113741389A (en) * | 2021-08-27 | 2021-12-03 | 东风汽车股份有限公司 | Fault diagnosis system of PLC (programmable logic controller) automation equipment and use method thereof |
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