CN109255450B - Method and system for online intelligent fixed value management of power fault recorder and computer readable storage medium - Google Patents
Method and system for online intelligent fixed value management of power fault recorder and computer readable storage medium Download PDFInfo
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- CN109255450B CN109255450B CN201811190577.8A CN201811190577A CN109255450B CN 109255450 B CN109255450 B CN 109255450B CN 201811190577 A CN201811190577 A CN 201811190577A CN 109255450 B CN109255450 B CN 109255450B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/20—Administration of product repair or maintenance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention discloses a method, a system and a computer readable storage medium for online intelligent fixed value management of a power fault recorder, wherein the method for online intelligent fixed value management of the power fault recorder comprises the steps of collecting fixed value file information of fault recorders distributed in different transformer substations and different manufacturers, screening out a line of a spare line of the fault recorder irrelevant to fault analysis, analyzing fixed value characteristic values of fault recorders of corresponding manufacturers and models, inputting a preset experience range value of the corresponding line, calibrating use state parameters of the use line of the fault recorder of the corresponding manufacturer and model, judging whether an initial parameter of the spare line of the fault recorder is the same as the use state parameter of the use line, judging whether the use state parameter of the use line set by the fault recorder of the corresponding manufacturer and model is unit impedance or full-length impedance if the use state parameter is not, judging whether the use state parameter is in the preset experience range, therefore, the number of times of the operation and maintenance personnel to get off the station is reduced, and the operation and maintenance efficiency is improved.
Description
Technical Field
The invention relates to the technical field of operation and maintenance management of secondary equipment of a power system, in particular to a method and a system for intelligently managing fixed values of a power fault recorder on line and a computer readable storage medium.
Background
The fault recorder plays an important role in ensuring the safe operation of the power system. When a fault occurs in the power grid, the current and voltage sampling data on the line in the whole process of the fault can be recorded by using the installed fault recording device, a fault analysis report is formed, and the fault type and the fault distance of the fault are given.
The fixed value file of the fault recording device comprises a component starting value and various line parameters. When the starting element of the fault recording device acts, the recording is carried out when the starting value is reached. When the power grid fails, the fault recorder starts wave recording, fault analysis is conducted on the wave recording files, and the basis of the fault analysis is the line parameter, the voltage and the current sampling values.
The power grid company sets the fixed value of the fault recorder strictly, and sets a whole set of management regulations. At present, the fixed value setting is performed by the operation and maintenance personnel who regularly leave the station to manually set and check the fixed value of the device, and whether the change exists or not and whether the omission exists or not are checked. However, the secondary equipment of the transformer substation is numerous, so that the workload of operation and maintenance personnel is huge. Especially, the secondary equipment of the transformer substation is different in manufacturers, different in device models, different in fixed value and different in fixed value parameter requirements, for example, some line parameters are unit impedance, some line parameters are total line impedance, and the like.
Disclosure of Invention
The invention mainly aims to provide a fixed value online intelligent management method for a power failure recorder, aiming at reducing the number of times of leaving a station by operation and maintenance personnel, shortening the time for troubleshooting the cause of the power grid failure and improving the operation and maintenance efficiency.
In order to achieve the purpose, the invention provides a fixed value online intelligent management method of a power fault recorder, which comprises the following steps:
s10: collecting fixed value file information of fault oscillographs distributed in different transformer substation manufacturers;
s40: screening out the spare line of the fault recorder which is irrelevant to the fault analysis,
s60: analyzing the fixed value characteristic values of the fault recorder corresponding to the manufacturer and the model, wherein the fixed value characteristic values comprise initial parameters of a spare line of the fault recorder and using state parameters of a using line,
s70: inputting the unit impedance preset empirical range value and the full-length impedance preset empirical range value of the corresponding line,
s80: calibrating the use state parameters of the use line of the fault recorder corresponding to the manufacturer and model, judging whether the initial parameters of the standby line of the fault recorder are the same as the use state parameters of the use line,
s81: if not, judging whether the use state parameter of the use line set by the fault recorder of the corresponding manufacturer and model is unit impedance or full-length impedance, if so, judging whether the use state parameter is within a preset experience range value of the unit impedance, if so, judging whether the use state parameter is within a preset experience range value of the full-length impedance, and if not, displaying an abnormal alarm.
Preferably, the initial parameters of the standby line and the use state parameters of the used line of the fault recorder both comprise a voltage transformer, a current transformer, a line length, a positive sequence resistance, a positive sequence reactance, a zero sequence resistance, a zero sequence reactance of the line, and a bus voltage associated with the current line.
Preferably, step S40 is followed by the following steps:
s50: and analyzing the screened fixed value file information of the fault oscillographs of different transformer substation manufacturers into a uniform format.
Preferably, step S10 specifically includes the following steps:
s11: and judging whether the fault recorder adopts an IEC61850 protocol, an IEC103 protocol or a private protocol, if so, collecting fixed value file information of the fault recorder through IEC61850 fixed value service, and if so, directly reading the fixed value file information of the fault recorder through a file transmission protocol in the corresponding protocol, if so, obtaining the fixed value file information of the fault recorder through the IEC61850 fixed value service, and if not, obtaining the fixed value file information of the fault recorder through the IEC103 protocol or the private protocol.
Preferably, after the step S10, the step S40 further includes the following steps:
s20: and detecting whether the information of the constant value file changes in real time, and if so, recording the modified time and content.
Preferably, after the step S20, the step S40 further includes the following steps:
s30: and judging whether the constant value file information is reasonable or not, and if so, executing the next step.
Preferably, step S80 further includes the steps of:
s82: if yes, the use circuit is not configured with reasonable parameters, and a warning is given out.
Preferably, step S40 specifically includes the following steps:
s41: after the fields in the constant value file information are screened, multi-stage filtering is carried out,
s42: and determining the line name field which is defined by different manufacturers or operation and maintenance personnel and is irrelevant to fault analysis by adopting a robot learning algorithm and manual input training.
The invention also provides a power failure recorder fixed value online intelligent management system, which comprises: a memory, a processor, and a power fault recorder fixed-value online intelligent management program stored on the memory and operable on the processor, wherein:
the power fault recorder fixed value online intelligent management program realizes the steps of any one of the power fault recorder fixed value online intelligent management methods when being executed by the processor.
The invention also provides a computer readable storage medium, wherein a power fault recorder fixed value online intelligent management program is stored on the computer readable storage medium, and when being executed by a processor, the power fault recorder fixed value online intelligent management program realizes the steps of any one of the power fault recorder fixed value online intelligent management methods.
The technical scheme of the invention collects the fixed value file information of fault oscillographs distributed in different transformer substation manufacturers; screening out the lines of the spare line of the fault recorder irrelevant to the fault analysis, analyzing the definite value characteristic value of the fault recorder corresponding to the manufacturer and the model, wherein the definite value characteristic value comprises the initial parameters of the spare line of the fault recorder and the using state parameters of the using line, inputting the unit impedance preset experience range value and the full-length impedance preset experience range value of the corresponding line, calibrating the using state parameters of the using line of the fault recorder corresponding to the manufacturer and the model, judging whether the initial parameters of the spare line of the fault recorder are the same as the using state parameters of the using line, if not, judging whether the using state parameters of the using line set by the fault recorder corresponding to the manufacturer and the model are the unit impedance or the full-length impedance, if the using state parameters are the unit impedance, judging whether the using state parameters are in the unit impedance preset experience range value, if the using state parameters are the full-length impedance, judging whether the using state parameter is within the preset experience range value of the full-length impedance, and displaying abnormal alarm when the using state parameter is not within the preset experience range value of the unit impedance or within the preset experience range value of the full-length impedance, so that the information of the fixed value file of the fault recorder distributed in each transformer substation can be read respectively, the fixed value of the fault recorder of different manufacturers is analyzed, the calibration work of the fixed value file is automatically completed, and the abnormal alarm is displayed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a flow structure of an embodiment of a method for online intelligent constant-value management of a power failure recorder according to the present invention;
FIG. 2 is a schematic view of a flow structure of another embodiment of a method for online intelligent constant-value management of a power failure recorder according to the present invention;
FIG. 3 is a schematic diagram of a detailed flow chart of step S10 in FIGS. 1 and 2;
fig. 4 is a schematic diagram of a detailed flow structure of step S40 in fig. 1 and 2.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a fixed value online intelligent management system of a power fault recorder. The power failure recorder fixed value online intelligent management system can be mobile equipment such as a mobile phone, a smart phone, a notebook computer, a PAD (PAD computer) and the like, and fixed terminals such as a desktop computer, a server and the like. The power failure recorder fixed value online intelligent management system comprises a memory, a processor and a power failure recorder fixed value online intelligent management program which is stored on the memory and can run on the processor.
The memory at least comprises one type of readable storage medium for storing an operating system installed in the power fault recorder fixed-value online intelligent management system and various types of application software, such as program codes of a power fault recorder fixed-value online intelligent management program. In addition, the memory may also be used to temporarily store various types of data that have been output or are to be output.
The processor may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data Processing chip in some embodiments. The processor is typically used to control the overall operation of the power fault recorder fixed value online intelligent management system. In this embodiment, the processor is configured to run a program code stored in the memory or process data, for example, run the power failure recorder fixed-value online intelligent management program.
Referring to fig. 1, when the power failure recorder constant value online intelligent management program is executed by the processor, the following steps are implemented:
s10: collecting fixed value file information of fault oscillographs distributed in different transformer substation manufacturers;
s40: screening out the spare line of the fault recorder which is irrelevant to the fault analysis,
s60: analyzing the fixed value characteristic values of the fault recorder corresponding to the manufacturer and the model, wherein the fixed value characteristic values comprise initial parameters of a spare line of the fault recorder and using state parameters of a using line,
s70: inputting the unit impedance preset empirical range value and the full-length impedance preset empirical range value of the corresponding line,
s80: calibrating the use state parameters of the use line of the fault recorder corresponding to the manufacturer and model, judging whether the initial parameters of the standby line of the fault recorder are the same as the use state parameters of the use line,
s81: if not, judging whether the use state parameter of the use line set by the fault recorder of the corresponding manufacturer and model is unit impedance or full-length impedance, if so, judging whether the use state parameter is within a preset experience range value of the unit impedance, if so, judging whether the use state parameter is within a preset experience range value of the full-length impedance, and if not, displaying an abnormal alarm.
The specific embodiment is as follows: firstly, receiving user instruction or remotely acquiring fixed value file information of fault oscillographs distributed in different transformer substations by data communication such as internet and mobile communication, wherein the connecting lines of the fault oscillographs comprise spare lines, using lines and other lines, the other lines are lines irrelevant to fault analysis, and since the default configuration of the standby line can affect normal analysis, the spare line is filtered out without being related to the fault analysis, so that the analysis result is more accurate, the processor is used for analyzing the fixed value characteristic value of the fault recorder of the corresponding manufacturer and model, the initial parameters of the standby line of the fault recorder and the using state parameters of the using line comprise a voltage transformer, a current transformer, the length of the line, the positive sequence resistance, the positive sequence reactance, the zero sequence resistance and the zero sequence reactance of the line and the bus voltage related to the current line. Then, the pre-stored unit impedance preset experience range value and the full-length impedance preset experience range value of the corresponding line can be selected, or a technician manually inputs the unit impedance preset experience range value and the full-length impedance preset experience range value of the corresponding line, then the processor is used for respectively comparing whether the initial parameter of the standby line of the fault recorder is the same as the using state parameter of the using line, if so, the using line is not configured with reasonable parameters, a warning is sent out to eliminate the condition that the using line is not provided with the parameters, if not, the using state parameter of the using line is judged to be the unit impedance or the full-length impedance through data identification or setting the threshold value of the unit impedance or the full-length impedance, when the using state parameter is in the preset experience range value of the full-length impedance or the unit impedance preset experience range value, the abnormal alarm is not carried out, detection recording can be performed.
Referring to fig. 3, further, step S10 specifically includes the following steps:
s11: and judging whether the fault recorder adopts an IEC61850 protocol, an IEC103 protocol or a private protocol, if so, collecting fixed value file information of the fault recorder through IEC61850 fixed value service, and if so, directly reading the fixed value file information of the fault recorder through a file transmission protocol in the corresponding protocol, if so, obtaining the fixed value file information of the fault recorder through the IEC61850 fixed value service, and if not, obtaining the fixed value file information of the fault recorder through the IEC103 protocol or the private protocol. The private protocol is a communication protocol customized by a recorder manufacturer, so that the acquired fixed value file information is more accurate.
Referring to fig. 2, it is preferable that the following steps are further included after the step S10 and before the step S40:
s20: and detecting whether the information of the constant value file changes in real time, and if so, recording the modified time and content. And recording monitoring is carried out, wherein the time and the content of the recording modification can be stored in the server so as to be convenient to view.
Further, after the step S20, the step S40 is preceded by the steps of:
s30: and judging whether the constant value file information is reasonable or not, and if so, executing the next step.
Specifically, whether abnormal values or error information exists in the constant value file information is detected through a processor, and if the default values of the non-spare line parameters exist in the constant value file information or a certain channel is frequently started, the processor prompts that abnormal conditions of the set values occur; if the parameters or the starting values of the non-standby lines or channels are set to be empty or obviously exceed the theoretical values, if the unit impedance parameters are larger than 1 and the like, a fixed value error is prompted, if abnormal values and error information do not exist, the method is reasonable, the next step is executed, if abnormal values or error information exists, the abnormal values or error information is unreasonable, warning feedback can be conducted to a human-computer interaction interface, and the human-computer interaction interface is an interface formed by combining list information of a power supply station, a transformer substation and a wave recorder device and can be used for remote operation, information checking and report output.
Still further, step S40 is followed by the following steps:
s50: and analyzing the screened fixed value file information of the fault oscillographs of different transformer substation manufacturers into a uniform format so as to be convenient for processing and use.
Referring to fig. 4, step S40 specifically includes the following steps:
s41: after the fields in the constant value file information are screened, multi-stage filtering is carried out,
s42: and determining the line name field which is defined by different manufacturers or operation and maintenance personnel and is irrelevant to fault analysis by adopting a robot learning algorithm and manual input training.
The multistage filtering is a conventional technology of information processing, a specific algorithm is not repeated, unimportant information description in fields is filtered through the multistage filtering to obtain more simplified useful information, a traditional robot learning algorithm decision tree is adopted, different conditions are set according to the habit of setting default fixed values by manufacturers, for example, the names of lines or channels contain 'standby' and 'line 1', the fixed value fields are classified, and the name fields of the lines, which are irrelevant to fault analysis, of the standby line names and the fields of the line names, which are defined by different manufacturers or operation and maintenance personnel, are determined through manual input training, so that more accurate and concise information can be screened, and the information can be processed conveniently.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method for intelligently managing fixed values of a power fault recorder on line is characterized by comprising the following steps:
s10: collecting fixed value file information of fault oscillographs distributed in different transformer substation manufacturers;
s40: screening out the spare line of the fault recorder which is irrelevant to the fault analysis,
s60: analyzing the fixed value characteristic values of the fault recorder corresponding to the manufacturer and the model, wherein the fixed value characteristic values comprise initial parameters of a spare line of the fault recorder and using state parameters of a using line,
s70: inputting the corresponding unit impedance preset empirical range value and the full-length impedance preset empirical range value of the using line,
s80: calibrating the use state parameters of the use line of the fault recorder corresponding to the manufacturer and model, judging whether the initial parameters of the standby line of the fault recorder are the same as the use state parameters of the use line,
s81: if not, judging whether the use state parameter of the use line set by the fault recorder of the corresponding manufacturer and model is unit impedance or full-length impedance, if so, judging whether the use state parameter is within a preset experience range value of the unit impedance, if so, judging whether the use state parameter is within a preset experience range value of the full-length impedance, and if not, displaying an abnormal alarm.
2. The method for the fixed-value online intelligent management of the power fault recorder as claimed in claim 1, wherein the initial parameters of the backup line and the using state parameters of the using line of the fault recorder each comprise a voltage transformer, a current transformer, a line length, a positive sequence resistance, a positive sequence reactance, a zero sequence resistance, a zero sequence reactance of the line, and a bus voltage associated with the current line.
3. The method for the fixed-value online intelligent management of the power fault recorder as claimed in claim 1, wherein the step S40 is followed by the following steps:
s50: and analyzing the screened fixed value file information of the fault oscillographs of different transformer substation manufacturers into a uniform format.
4. The method for online intelligent fixed-value management of a power fault recorder as claimed in claim 1, wherein the step S10 specifically comprises the following steps:
s11: and judging whether the fault recorder adopts an IEC61850 protocol, an IEC103 protocol or a private protocol, if so, collecting fixed value file information of the fault recorder through IEC61850 fixed value service, and if so, directly reading the fixed value file information of the fault recorder through a file transmission protocol in the corresponding protocol, if so, obtaining the fixed value file information of the fault recorder through the IEC61850 fixed value service, and if not, obtaining the fixed value file information of the fault recorder through the IEC103 protocol or the private protocol.
5. The method for the on-line intelligent fixed-value management of the power fault recorder as claimed in claim 1, wherein after the step S10 and before the step S40, the method further comprises the following steps:
s20: and detecting whether the information of the constant value file changes in real time, and if so, recording the modified time and content.
6. The method for on-line intelligent fixed-value management of power fault oscillographs as claimed in claim 5, wherein after step S20, before step S40, the method further comprises the steps of:
s30: and judging whether the constant value file information is reasonable or not, and if so, executing the next step.
7. The method for the on-line intelligent fixed-value management of the power fault recorder as claimed in claim 1, wherein the step S80 further comprises the steps of:
s82: if yes, the use circuit is not configured with reasonable parameters, and a warning is given out.
8. The method for online intelligent fixed-value management of a power fault recorder as claimed in claim 1, wherein the step S40 specifically comprises the following steps:
s41: after the fields in the constant value file information are screened, multi-stage filtering is carried out,
s42: and determining the line name field which is defined by different manufacturers or operation and maintenance personnel and is irrelevant to fault analysis by adopting a robot learning algorithm and manual input training.
9. The utility model provides an online intelligent management system of electric power fault oscillograph definite value which characterized in that, the online intelligent management system of electric power fault oscillograph definite value includes: a memory, a processor, and a power fault recorder fixed-value online intelligent management program stored on the memory and operable on the processor, wherein:
the power fault recorder value-fixed online intelligent management program when executed by the processor implements the steps of the power fault recorder value-fixed online intelligent management method of any one of claims 1 to 8.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a power fault recorder rating online intelligent management program, which when executed by a processor implements the steps of the power fault recorder rating online intelligent management method according to any one of claims 1 to 8.
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