CN104931831A - Troubleshooting information acquisition method and system - Google Patents
Troubleshooting information acquisition method and system Download PDFInfo
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- CN104931831A CN104931831A CN201510347065.8A CN201510347065A CN104931831A CN 104931831 A CN104931831 A CN 104931831A CN 201510347065 A CN201510347065 A CN 201510347065A CN 104931831 A CN104931831 A CN 104931831A
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Abstract
The invention relates to a troubleshooting information acquisition method and system. The troubleshooting information acquisition method comprises the steps that fault recorder data and a protection action given by a Prudential insurance system for the fault recorder data are acquired from the Prudential insurance system of a power grid, and the correct rate of the protection action is calculated according to the fault recorder data and the protection action; through the fault cause of history recorder data, the fault cause of the fault recorder data is predicted; according to the correct rate and the fault cause, a troubleshooting information result is acquired; and the troubleshooting information result is sent. According to the troubleshooting information acquisition method and system, which are provided by the invention, on the basis that the troubleshooting information in a power system relay protection process can be comprehensively analyzed, the analysis result can be timely acquired and sent to a grid dispatcher; the power grid dispatcher can maintain a power system according to the acquired analysis result; and the safety performance of the power system is further improved.
Description
Technical field
The present invention relates to technical field of electric power, particularly relate to a kind of fault handling information acquisition methods and system.
Background technology
Along with the expanding day of electric system scale, the raising of electric pressure, electric network fault is as the important component part in electric system, and the safe operation of modern power systems in serious threat.Relay protection, as the first line of defence ensureing electric power netting safe running, occupies extremely important status in electric system.
Traditional relay protection action evaluation mainly carries out artificial off-line analysis by information such as fault oscillograph, device action message and emulation experiment data; analysis means is single; automatization level is low, and analysis time is long, and so just the process information of dependent failure is difficult to be obtained in time.
Summary of the invention
Based on this, be necessary in prior art, the process information of dependent failure is difficult to the technical matters obtaining obtaining in time, provides a kind of fault handling information acquisition methods and system.
A kind of fault handling information acquisition methods, comprises the steps:
From guarantor's communication system of electrical network, obtain fault recorder data and protect the protection act that sends for described fault recorder data of communication system, and calculating the accuracy of described protection act according to described fault recorder data and protection act;
By the failure cause of fault recorder data described in the failure cause anticipation of history recorder data;
Fault handling information result is obtained according to described accuracy and failure cause.
A kind of fault handling information obtains system, comprising:
Computing module, for obtaining fault recorder data and protect the protection act that sends for described fault recorder data of communication system from guarantor's communication system of electrical network, and calculates the accuracy of described protection act according to described fault recorder data and protection act;
Anticipation module, for the failure cause of fault recorder data described in the failure cause anticipation by history recorder data;
Acquisition module, for obtaining fault handling information result according to described accuracy and failure cause.
Above-mentioned fault handling information acquisition methods and system, by obtaining fault recorder data and protect the protection act that sends for described fault recorder data of communication system from guarantor's communication system of electrical network, calculate the accuracy of described protection act, again by the failure cause of fault recorder data described in the failure cause anticipation of history recorder data, obtain fault handling information result according to described accuracy and failure cause further; Fault handling information in relay protection of power system process can obtain on the basis of multianalysis; its analysis result can also obtain in time; and send it to the yardman of electrical network; dispatching of power netwoks person can be safeguarded electric system better according to obtained analysis result, improve the security performance of electric system further.
Accompanying drawing explanation
Fig. 1 is the fault handling information acquisition methods process flow diagram of an embodiment;
Fig. 2 is the push function figure of the far of an embodiment;
Fig. 3 is that the fault handling information of an embodiment obtains system architecture schematic diagram;
Fig. 4 is the concentrated recorder data waveform schematic diagram of an embodiment;
Fig. 5 is the protection action analysis result schematic diagram based on concentrated recorder data of an embodiment;
Fig. 6 is the accuracy analysis schematic diagram of the concentrated recorded wave file of an embodiment, other protection recorded wave files and protection act corresponding to this protection recorded wave file;
Fig. 7 is the failure cause anticipation result schematic diagram of an embodiment.
Embodiment
Be described in detail below in conjunction with the embodiment of accompanying drawing to fault handling information acquisition methods provided by the invention and system.
With reference to figure 1, Figure 1 shows that the fault handling information acquisition methods process flow diagram of an embodiment, comprise the steps:
S10, obtains fault recorder data and protects the protection act that sends for described fault recorder data of communication system, and calculating the accuracy of described protection act according to described fault recorder data and protection act from guarantor's communication system of electrical network;
In above-mentioned steps S10, the protection act that guarantor's communication system sends for described fault recorder data can comprise relay protection action.System of notifying generally just can send corresponding protection act to dissimilar fault; Above-mentioned fault recorder data and corresponding protection act all can directly directly obtain from guarantor's communication system.
S20, by the failure cause of fault recorder data described in the failure cause anticipation of history recorder data;
In above-mentioned steps S20, history recorder data can obtain from correlation log, also can obtain from guarantor's communication system.Failure cause sorter can be set up according to above-mentioned history recorder data, recycle above-mentioned failure cause sorter and anticipation is carried out to the failure cause corresponding to fault recorder data.
S30, obtains fault handling information result according to described accuracy and failure cause.
What the present embodiment provided states fault handling information acquisition methods, by obtaining fault recorder data and protect the protection act that sends for described fault recorder data of communication system from guarantor's communication system of electrical network, calculate the accuracy of described protection act, again by the failure cause of fault recorder data described in the failure cause anticipation of history recorder data, obtain fault handling information result according to described accuracy and failure cause further; Fault handling information in relay protection of power system process can obtain on the basis of multianalysis; its analysis result can also obtain in time; and send it to the yardman of electrical network; dispatching of power netwoks person can be safeguarded electric system better according to obtained analysis result, improve the security performance of electric system further.
In one embodiment; above-mentionedly from guarantor's communication system of electrical network, obtain fault recorder data and protect the protection act that sends for described fault recorder data of communication system, and the step calculating the accuracy of described protection act according to described fault recorder data and protection act can comprise:
From guarantor's communication system of electrical network, obtain fault recorder data and protect the protection act that sends for described fault recorder data of communication system;
Set up the weight of each process of described protection act for the protection act that described fault recorder data sends according to guarantor's communication system; Wherein, the process of described protection act comprises protection act main body, protection startup, phase selection, reclosing, range finding;
The impact that each process of above-mentioned protection act is normally run electrical network is different, and therefore each process has corresponding weight, and above-mentioned weight can be set up according to assessment modes such as the marking of associated specialist; Table 1 is depicted as the weight of each process of protection act set up according to expert estimation of the present embodiment.
The each process weight table of table 1 protection act
| Process | Expert estimation | Weight |
| Protection act main body | 10 | 0.458 |
| Protection starts | 4 | 0.229 |
| Phase selection | 3 | 0.153 |
| Reclosing | 2 | 0.115 |
| Range finding | 1 | 0.046 |
The accuracy of various protection act is calculated according to the participation mark of the weight of each process of protection act, the correctness of each process of protection act and each process of protection act; Wherein, the type of described protection act and the record ripple type of fault recorder data corresponding; The record ripple type of described fault recorder data comprises concentrates record ripple, this protection record ripple, other protection record ripples except concentrating record ripple, this protection record ripple;
As an embodiment, the process that the correctness of the above-mentioned weight according to each process of protection act, each process of protection act and the participation mark of each process of protection act calculate the accuracy of various protection act can comprise:
Obtain the participation mark of the weight of each process of protection act, the correctness of each process of protection act and each process of protection act; Wherein, the weight sum of each process of described protection act is 1; The correctness value of each process of described protection act is 0,1, and wherein, 0 represents that in protection act, this process is incorrect, and 1 represents that in protection act, this process is correct; The participation mark value of each process of described protection act is 0,1, and wherein, 0 represents that in protection act, this process does not participate in, and 1 represents that in protection act, this process participates in;
The participation of the correctness of the weight of each for described protection act process, each process of protection act and each process of protection act is identified the accuracy that substitution-type accuracy computing formula calculates various protection act; Wherein, described type accuracy computing formula is:
Wherein, A
1, A
2represent the whether correct and protection act main body participation mark of protection act main body respectively, W
1represent the weight of protection act main body; S
1, S
2represent that protection starts whether correct startup with protection and participates in mark, W respectively
2represent the weight that protection starts; O
1, O
2represent respectively phase selection whether correct and phase selection participate in indicating, W
3represent the weight of phase selection; C
1, C
2represent respectively reclosing whether correct and phase selection participate in indicating, W
4represent the weight of reclosing; D
1, D
2represent respectively range finding whether correct and phase selection participate in indicating, W
5represent the weight of range finding; * multiplication sign is represented; R
irepresent the accuracy of i-th kind of protection act.
Set up the weight of various record ripple type according to fault recorder data, the accuracy according to described weight and each record ripple type protection act calculates the protection act accuracy of protecting communication system and sending for described fault recorder data.
As an embodiment; the above-mentioned weight setting up various record ripple type according to fault recorder data, calculating the process of protecting the protection act accuracy that communication system sends for described fault recorder data according to the accuracy of described weight and each record ripple type protection act can comprise:
The weight of various record ripple type is set up according to fault recorder data;
The above-mentioned weight setting up various record ripple type can be set up according to assessment modes such as the marking of associated specialist; Table 2 is depicted as the record ripple type weight set up according to expert estimation of the present embodiment.
Ripple type weight table recorded by table 2
| Record ripple kind | Expert estimation | Weight |
| Concentrate record ripple | 10 | 0.571 |
| Other protection record ripples | 5 | 0.285 |
| This protection record ripple | 2.5 | 0.143 |
The accuracy substitution accuracy computing formula of described weight and each record ripple type protection act is calculated the protection act accuracy of protecting communication system and sending for fault recorder data; Wherein, described accuracy computing formula is
Wherein, R
1represent the accuracy of concentrated record ripple, C represents that concentrated record ripple participates in indicating, its value is 0 or 1, and 0 represents that concentrated record ripple does not participate in, and 1 represents the participation of concentrated record ripple, W
crepresent the weight concentrating record ripple; R
2represent the accuracy of this protection record ripple, O represents this protection record ripple participation mark, and its value is 0 or 1, and 0 represents that this protection record ripple does not participate in, and 1 represents that concentrated record ripple participates in, W
orepresent the weight of this protection record ripple; R
3represent the accuracy of other protection record ripples, H represents other protection record ripples participation marks, and its value is 0 or 1, and 0 represents that other protection record ripples do not participate in, and 1 expression concentrates record ripple to participate in, W
prepresent the weight of other protection record ripples; * multiplication sign is represented; R represents the protection act accuracy of protecting communication system and sending for fault recorder data.
In one embodiment, above by history recorder data failure cause anticipation described in the step of failure cause of fault recorder data can comprise:
Obtain the voltage data in fault recorder data and current data;
From described voltage data and current data, obtain the voltage data in setting-up time section and current data, obtain time synchronized data; Above-mentioned setting-up time section is setting initial time and then the time period of termination time, and it can carry out the setting of concrete time period according to guarantor's fault recorder data of communication system and the relation of corresponding acquisition time.Also can select the wave file of two raw data in fault recorder data sample, calculate some fault-time, 10 cycles after front 2 cycles of select time point and time point, alignment sample frequency, same interpolation is 5kHZ, forms the raw data that can contrast.
Sort according to the phase place of harmonic data after described time synchronized extracting data harmonic data;
After wavelet transformation is carried out to phase time synchrodata every after sequence, the average energy value of seeking time synchrodata every layer of wavelet coefficient, energy variance and Energy-Entropy, and using the average energy value of every layer of wavelet coefficient, energy variance and the Energy-Entropy eigenwert as every layer, arrange described eigenwert, form the vector that every layer of wavelet coefficient is corresponding;
Set up failure cause sorter according to history recorder data, vectorial input fault causality classification device corresponding for every layer of wavelet coefficient is judged the number percent of the fault category belonging to it is in described failure cause sorter; The foundation of above-mentioned failure cause sorter can carry out SVM training by utilizing Reduced Training Set S, obtain final failure cause sorter, vectorial input fault causality classification device corresponding for every layer of wavelet coefficient is judged the number percent of the fault category belonging to it is in described failure cause sorter, wherein the failure cause of fault recorder data can be judged to be the failure cause of the high number percent that corresponding vector is corresponding again.
The failure cause of the fault recorder data that vector is corresponding according to number percent anticipation.
In one embodiment, above-mentioned fault handling information acquisition methods can also comprise:
By note or mail he, described fault handling information result is sent to target terminal; Wherein said target terminal is the target terminal of dispatching of power netwoks person's correspondence, and dispatching of power netwoks person can will obtain corresponding fault handling information result by above-mentioned target terminal.
In the present embodiment, above-mentioned fault handling information result can be pushed to related personnel in the mode of note and mail; Also can push report brief information by note and remind related personnel to check mail, corresponding mail can pass through SMTP (Simple Mail Transfer Protocol, Simple Mail Transfer protocol) mode pushes, and Mail Contents can contain complete far.The push function figure of far is as indicated with 2: after carrying out correlation analysis for the fault of electrical network; again the correctness of protecting communication system protection act is analyzed; further prediction failure cause; carry out the propelling movement of failure message again, be then sent to relevant staff with the form of mail or note.
In one embodiment; the concentrated recorded wave file of certain fault moment, other protection recorded wave file and this protection recorded wave files; the accuracy of its protection act is calculated according to above-mentioned fault handling information acquisition methods; wherein concentrated recorder data waveform can be as shown in Figure 4; protection action analysis result based on concentrated recorder data can be as shown in Figure 5; system synthesis can analyze the accuracy determining the protection act that concentrated recorded wave file, other protection recorded wave files and this protection recorded wave file are corresponding, and its analytic process can be as shown in Figure 6.Carry out failure cause anticipation to the recorded wave file of this fault moment according to above-mentioned fault handling information acquisition methods, its anticipation result can shown in Fig. 7.
With reference to figure 3, Figure 3 shows that the fault handling information of an embodiment obtains system architecture schematic diagram, comprising:
Computing module 10, for obtaining fault recorder data and protect the protection act that sends for described fault recorder data of communication system from guarantor's communication system of electrical network, and calculates the accuracy of described protection act according to described fault recorder data and protection act;
Anticipation module 20, for the failure cause of fault recorder data described in the failure cause anticipation by history recorder data;
Acquisition module 30, for obtaining fault handling information result according to described accuracy and failure cause.
In one embodiment, above-mentioned computing module can be further used for:
From guarantor's communication system of electrical network, obtain fault recorder data and protect the protection act that sends for described fault recorder data of communication system;
Set up the weight of each process of described protection act for the protection act that described fault recorder data sends according to guarantor's communication system; Wherein, the process of described protection act comprises protection act main body, protection startup, phase selection, reclosing, range finding;
The accuracy of various protection act is calculated according to the participation mark of the weight of each process of protection act, the correctness of each process of protection act and each process of protection act; Wherein, the type of described protection act and the record ripple type of fault recorder data corresponding; The record ripple type of described fault recorder data comprises concentrates record ripple, this protection record ripple, other protection record ripples except concentrating record ripple, this protection record ripple;
Set up the weight of various record ripple type according to fault recorder data, the accuracy according to described weight and each record ripple type protection act calculates the protection act accuracy of protecting communication system and sending for described fault recorder data.
In one embodiment, above-mentioned anticipation module can be further used for:
Obtain the voltage data in fault recorder data and current data;
From described voltage data and current data, obtain the voltage data in setting-up time section and current data, obtain time synchronized data;
Sort according to the phase place of harmonic data after described time synchronized extracting data harmonic data;
After wavelet transformation is carried out to phase time synchrodata every after sequence, the average energy value of seeking time synchrodata every layer of wavelet coefficient, energy variance and Energy-Entropy, and using the average energy value of every layer of wavelet coefficient, energy variance and the Energy-Entropy eigenwert as every layer, arrange described eigenwert, form the vector that every layer of wavelet coefficient is corresponding;
Set up failure cause sorter according to history recorder data, vectorial input fault causality classification device corresponding for every layer of wavelet coefficient is judged the number percent of the fault category belonging to it is in described failure cause sorter;
The failure cause of the fault recorder data that vector is corresponding according to number percent anticipation.
In one embodiment, above-mentioned fault handling information acquisition system can also comprise:
Sending module, for being sent to target terminal by note or mail he by described fault handling information result.
Fault handling information of the present invention obtains system and fault handling information acquisition methods one_to_one corresponding of the present invention, the technical characteristic of setting forth in the embodiment of above-mentioned fault handling information acquisition methods and beneficial effect thereof are all applicable to fault handling information and obtain in the embodiment of system, hereby state.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a fault handling information acquisition methods, is characterized in that, comprises the steps:
From guarantor's communication system of electrical network, obtain fault recorder data and protect the protection act that sends for described fault recorder data of communication system, and calculating the accuracy of described protection act according to described fault recorder data and protection act;
By the failure cause of fault recorder data described in the failure cause anticipation of history recorder data;
Fault handling information result is obtained according to described accuracy and failure cause.
2. fault handling information acquisition methods according to claim 1; it is characterized in that; describedly from guarantor's communication system of electrical network, obtains fault recorder data and protect the protection act that sends for described fault recorder data of communication system, and the step calculating the accuracy of described protection act according to described fault recorder data and protection act comprises:
From guarantor's communication system of electrical network, obtain fault recorder data and protect the protection act that sends for described fault recorder data of communication system;
Set up the weight of each process of described protection act for the protection act that described fault recorder data sends according to guarantor's communication system; Wherein, the process of described protection act comprises protection act main body, protection startup, phase selection, reclosing, range finding;
The accuracy of various protection act is calculated according to the participation mark of the weight of each process of protection act, the correctness of each process of protection act and each process of protection act; Wherein, the type of described protection act and the record ripple type of fault recorder data corresponding; The record ripple type of described fault recorder data comprises concentrates record ripple, this protection record ripple, other protection record ripples except concentrating record ripple, this protection record ripple;
Set up the weight of various record ripple type according to fault recorder data, the accuracy according to described weight and each record ripple type protection act calculates the protection act accuracy of protecting communication system and sending for described fault recorder data.
3. fault handling information acquisition methods according to claim 2; it is characterized in that, the process that the correctness of the described weight according to each process of protection act, each process of protection act and the participation mark of each process of protection act calculate the accuracy of various protection act comprises:
Obtain the participation mark of the weight of each process of protection act, the correctness of each process of protection act and each process of protection act; Wherein, the weight sum of each process of described protection act is 1; The correctness value of each process of described protection act is 0,1, and wherein, 0 represents that in protection act, this process is incorrect, and 1 represents that in protection act, this process is correct; The participation mark value of each process of described protection act is 0,1, and wherein, 0 represents that in protection act, this process does not participate in, and 1 represents that in protection act, this process participates in;
The participation of the correctness of the weight of each for described protection act process, each process of protection act and each process of protection act is identified the accuracy that substitution-type accuracy computing formula calculates various protection act; Wherein, described type accuracy computing formula is:
Wherein, A
1, A
2represent the whether correct and protection act main body participation mark of protection act main body respectively, W
1represent the weight of protection act main body; S
1, S
2represent that protection starts whether correct startup with protection and participates in mark, W respectively
2represent the weight that protection starts; O
1, O
2represent respectively phase selection whether correct and phase selection participate in indicating, W
3represent the weight of phase selection; C
1, C
2represent respectively reclosing whether correct and phase selection participate in indicating, W
4represent the weight of reclosing; D
1, D
2represent respectively range finding whether correct and phase selection participate in indicating, W
5represent the weight of range finding; * multiplication sign is represented; R
irepresent the accuracy of i-th kind of protection act.
4. fault handling information acquisition methods according to claim 2; it is characterized in that; the described weight setting up various record ripple type according to fault recorder data, calculates the process of protecting the protection act accuracy that communication system sends for described fault recorder data according to the accuracy of described weight and each record ripple type protection act and comprises:
The weight of various record ripple type is set up according to fault recorder data;
The accuracy substitution accuracy computing formula of described weight and each record ripple type protection act is calculated the protection act accuracy of protecting communication system and sending for fault recorder data; Wherein, described accuracy computing formula is
Wherein, R
1represent the accuracy of concentrated record ripple, C represents that concentrated record ripple participates in indicating, its value is 0 or 1, and 0 represents that concentrated record ripple does not participate in, and 1 represents the participation of concentrated record ripple, W
crepresent the weight concentrating record ripple; R
2represent the accuracy of this protection record ripple, O represents this protection record ripple participation mark, and its value is 0 or 1, and 0 represents that this protection record ripple does not participate in, and 1 represents that concentrated record ripple participates in, W
orepresent the weight of this protection record ripple; R
3represent the accuracy of other protection record ripples, H represents other protection record ripples participation marks, and its value is 0 or 1, and 0 represents that other protection record ripples do not participate in, and 1 expression concentrates record ripple to participate in, W
prepresent the weight of other protection record ripples; R represents the protection act accuracy of protecting communication system and sending for fault recorder data.
5. fault handling information acquisition methods according to claim 1, is characterized in that, described in the described failure cause anticipation by history recorder data, the step of the failure cause of fault recorder data comprises:
Obtain the voltage data in fault recorder data and current data;
From described voltage data and current data, obtain the voltage data in setting-up time section and current data, obtain time synchronized data;
Sort according to the phase place of harmonic data after described time synchronized extracting data harmonic data;
After wavelet transformation is carried out to phase time synchrodata every after sequence, the average energy value of seeking time synchrodata every layer of wavelet coefficient, energy variance and Energy-Entropy, and using the average energy value of every layer of wavelet coefficient, energy variance and the Energy-Entropy eigenwert as every layer, arrange described eigenwert, form the vector that every layer of wavelet coefficient is corresponding;
Set up failure cause sorter according to history recorder data, vectorial input fault causality classification device corresponding for every layer of wavelet coefficient is judged the number percent of the fault category belonging to it is in described failure cause sorter;
The failure cause of the fault recorder data that vector is corresponding according to number percent anticipation.
6. fault handling information acquisition methods according to claim 1, is characterized in that, also comprise:
By note or mail he, described fault handling information result is sent to target terminal.
7. fault handling information obtains a system, it is characterized in that, comprising:
Computing module, for obtaining fault recorder data and protect the protection act that sends for described fault recorder data of communication system from guarantor's communication system of electrical network, and calculates the accuracy of described protection act according to described fault recorder data and protection act;
Anticipation module, for the failure cause of fault recorder data described in the failure cause anticipation by history recorder data;
Acquisition module, for obtaining fault handling information result according to described accuracy and failure cause.
8. fault handling information according to claim 7 obtains system, and it is characterized in that, described computing module is further used for:
From guarantor's communication system of electrical network, obtain fault recorder data and protect the protection act that sends for described fault recorder data of communication system;
Set up the weight of each process of described protection act for the protection act that described fault recorder data sends according to guarantor's communication system; Wherein, the process of described protection act comprises protection act main body, protection startup, phase selection, reclosing, range finding;
The accuracy of various protection act is calculated according to the participation mark of the weight of each process of protection act, the correctness of each process of protection act and each process of protection act; Wherein, the type of described protection act and the record ripple type of fault recorder data corresponding; The record ripple type of described fault recorder data comprises concentrates record ripple, this protection record ripple, other protection record ripples except concentrating record ripple, this protection record ripple;
Set up the weight of various record ripple type according to fault recorder data, the accuracy according to described weight and each record ripple type protection act calculates the protection act accuracy of protecting communication system and sending for described fault recorder data.
9. fault handling information according to claim 7 obtains system, and it is characterized in that, described anticipation module is further used for:
Obtain the voltage data in fault recorder data and current data;
From described voltage data and current data, obtain the voltage data in setting-up time section and current data, obtain time synchronized data;
Sort according to the phase place of harmonic data after described time synchronized extracting data harmonic data;
After wavelet transformation is carried out to phase time synchrodata every after sequence, the average energy value of seeking time synchrodata every layer of wavelet coefficient, energy variance and Energy-Entropy, and using the average energy value of every layer of wavelet coefficient, energy variance and the Energy-Entropy eigenwert as every layer, arrange described eigenwert, form the vector that every layer of wavelet coefficient is corresponding;
Set up failure cause sorter according to history recorder data, vectorial input fault causality classification device corresponding for every layer of wavelet coefficient is judged the number percent of the fault category belonging to it is in described failure cause sorter;
The failure cause of the fault recorder data that vector is corresponding according to number percent anticipation.
10. fault handling information according to claim 7 obtains system, it is characterized in that, also comprises:
Sending module, for being sent to target terminal by note or mail he by described fault handling information result.
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| CN105353753A (en) * | 2015-12-04 | 2016-02-24 | 国网冀北电力有限公司 | Protection motion behavior intelligent analysis method based on multisource wave recording files |
| CN105974265A (en) * | 2016-04-29 | 2016-09-28 | 北京四方继保自动化股份有限公司 | SVM (support vector machine) classification technology-based power grid fault cause diagnosis method |
| CN108445321A (en) * | 2018-03-19 | 2018-08-24 | 成都滕达科技有限公司 | A kind of relay protection fault intelligence Wave record method |
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| CN109696591A (en) * | 2018-11-30 | 2019-04-30 | 南京国电南自电网自动化有限公司 | A kind of intelligence based on ATS automatically testing platform obtains the test method of failure wave-recording |
| CN110850232A (en) * | 2019-11-13 | 2020-02-28 | 云南电网有限责任公司 | Power grid fault diagnosis system and method based on relay protection auxiliary decision system |
| CN112147446A (en) * | 2020-09-27 | 2020-12-29 | 广东电网有限责任公司佛山供电局 | Wave recording triggering method and system used in relay protection device test based on analog quantity |
| CN114594342A (en) * | 2022-03-21 | 2022-06-07 | 国网安徽省电力有限公司电力科学研究院 | Power distribution network ground fault judgment input waveform consistency processing method |
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| CN105974265B (en) * | 2016-04-29 | 2018-11-27 | 北京四方继保自动化股份有限公司 | A kind of electric network fault cause diagnosis method based on svm classifier technology |
| CN108445321A (en) * | 2018-03-19 | 2018-08-24 | 成都滕达科技有限公司 | A kind of relay protection fault intelligence Wave record method |
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| CN114594342A (en) * | 2022-03-21 | 2022-06-07 | 国网安徽省电力有限公司电力科学研究院 | Power distribution network ground fault judgment input waveform consistency processing method |
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