CN117151933A - Multi-scene information acquisition system for medium-voltage line - Google Patents
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Abstract
The application relates to the technical field of transmission line information processing, and provides a medium-voltage line multi-scene information acquisition system, which comprises a main system, wherein the main system comprises: the user management module is used for managing login accounts by users; the multi-data source acquisition module is used for acquiring current and voltage data in the medium-voltage line; the data processing module is used for classifying the acquired data and carrying out data classification processing according to the working conditions under different scenes; and the main database is used for storing the historical classification data analysis result, the temporary classification data analysis result, the equipment parameter information data, the fault information and the maintenance record. By establishing a matrix for the acquired data and analyzing the matrix, the user can quickly and rapidly acquire the power transmission condition in the medium voltage line, the user can conveniently acquire fault analysis, fault prediction and fault positioning in the medium voltage line, the timely fault removal is realized, and the further expansion of the fault is avoided.
Description
Technical Field
The application relates to the technical field of transmission line information processing, in particular to a medium-voltage line multi-scene information acquisition system.
Background
Along with the development of society, factory construction and urban construction and rural construction are staggered in power consumption, so that the result of a power distribution network is complicated, branches of medium-voltage lines are more and the transmission distance is long, after the lines are failed, the traditional manual line inspection is troublesome and laborious, accidents are easily expanded, after 21 st century, various sensors and the Internet are rapidly developed, real-time monitoring can be achieved through video monitoring and monitoring of the medium-voltage lines through various sensors, and the reliability of transmission of the medium-voltage lines is greatly improved.
However, the acquired data volume is huge, the analysis of the data by manpower cannot meet the requirement of analyzing the data acquired by monitoring the medium-voltage line, the power transmission capacity and reliability of the medium-voltage line are predicted, and as the power distribution network scale is enlarged, the fault condition is more complicated, and how to establish a set of medium-voltage line multi-scene information acquisition system for performing fault analysis, fault prediction and fault positioning on the acquired data information is a great importance of helping an maintainer to know the cause of the medium-voltage line fault and timely removing the fault.
Therefore, we make improvements to this and propose a medium voltage line multi-scenario information acquisition system.
Disclosure of Invention
The technical problems to be solved by the application are as follows: how to perform fault analysis, fault prediction and fault positioning on data information obtained in the medium voltage line monitoring, so that an maintainer can know the cause of the medium voltage line fault and timely remove the fault.
(II) technical scheme
In order to achieve the above object, the present application provides a medium voltage line multi-scenario information acquisition system, including a main system, the main system including:
the user management module is used for managing login accounts by users;
the multi-data source acquisition module is used for acquiring current and voltage data in the medium-voltage line;
the multi-scene acquisition module is used for acquiring video information of lines in the medium-voltage lines and the power distribution equipment working in different scenes;
the data processing module is used for classifying the acquired data and carrying out data classification processing according to the working conditions under different scenes;
the main database is used for storing historical classification data analysis results, temporary classification data analysis results, equipment parameter information data, fault information and maintenance records;
the database query module is used for querying various data tables in the main database;
the data processing module comprises a data scene importing unit, a data matrix establishing unit, a matrix analysis processing unit and a result output unit, wherein the data scene importing unit imports acquired data and scene information into the data matrix establishing unit, the data matrix establishing unit establishes a data matrix, imports the data matrix into the matrix analysis processing unit, analyzes the data matrix, imports an analysis result into the result output unit, and exports the result to a main database for storage;
the data scene importing unit builds a time-frequency matrix A of voltage and current through the data matrix building unit after obtaining the current value in the power transmission network in the medium-voltage line, namely
Wherein n is the number of sampling points; /> The voltage and current values of each sampling point;
the matrix analysis processing unit analyzes and processes the time-frequency matrix A into the following equation set
In->Is a diagonal matrix; />And->Are all orthogonal matrices;
/>for matrix->And (2) characteristic value of，/>Is singular value order; />Is->Rank of (c);
after the data scene importing unit acquires the load value in the transformer substation in the medium-voltage line, the data matrix establishing unit establishes a contact unit load transfer matrix T, namely
In (1) the->Load which can be transferred to the j-th main transformer for the i-th good transformer substation;
the matrix analysis processing unit analyzes and processes the time transfer matrix T into the following equation set
In (1) the->The power supply capacity of the transformer substation; />Power supply capability in the station; />Network transfer capability; />The load quantity of the solar power station with the highest load is obtained; />The number of the main transformer is the number; />The capacity of a single main transformer; />The total station load rate of the transformer substation is calculated; />Is the main power factorA number.
Preferably, the user management module comprises an account registration unit, an account cancellation unit and a system exit unit, wherein the account registration unit is used for registering a personal account by a user, the account cancellation unit is used for managing the account by the user, the account name and the password, and the system exit unit is used for temporarily exiting the personal account by the user.
Preferably, the multiple data source acquisition module comprises a voltage acquisition device, a current acquisition device and a voltage acquisition device, wherein the voltage acquisition device is used for acquiring a voltage value in a medium-voltage line power transmission network, the current acquisition device is used for acquiring a current value in the medium-voltage line power transmission network, and the current acquisition device is used for acquiring a load value in a medium-voltage line transformer substation.
Preferably, the voltage acquisition device and the current acquisition device are integrally arranged, the voltage acquisition device comprises a first acquisition CPU unit, a communication CPU unit, a GPRS unit and a voltage acquisition unit and is used for acquiring voltage values in a medium voltage line, storing and uploading the voltage values, and the current acquisition device comprises a second acquisition CPU unit and a current acquisition unit and is used for acquiring current values in a medium voltage line power transmission network, storing and uploading the current values through the voltage acquisition device.
Preferably, the multi-scene acquisition module comprises a fixed camera acquisition unit, a navigation test camera acquisition unit, a mobile camera acquisition unit and a satellite remote sensing camera acquisition unit, and is used for acquiring video information in the multi-direction multi-scene medium voltage line transmission network and the transformer substation.
Preferably, the main database comprises a history database and a real-time database, wherein a history model data information table, a device parameter information table, a history fault information table and a user operation information table are arranged in the history database, and are used for storing and organizing model data, device parameter data, history fault data and maintenance records established in the medium-voltage line.
Preferably, the real-time database includes a device status information table and a collapser model data information table for storing the latest device status data and model data established for the medium voltage line.
Preferably, the real-time database automatically stores the last set of data into the history database after receiving the latest set of latest data.
(III) beneficial effects
The medium-voltage line multi-scene information acquisition system provided by the application has the beneficial effects that:
the acquired data in the medium voltage line power transmission network and the transformer substation are classified and built into matrixes through the data matrix building unit in the data processing module according to the acquired scenes of the multi-scene acquisition module, the matrixes built by the data matrix building unit are analyzed through the equation set built by the matrix analysis processing unit, analysis results are uploaded to the main database through the result output unit to be stored, the data and the scenes acquired by the multi-data source acquisition module and the multi-scene acquisition module and the analysis results of the data processing module are uploaded to the real-time database in the main database, the last group of data is stored in the history database after the latest group of data is received by the real-time database, and the history information table and the user operation information table are stored in the history database, so that a user can quickly and rapidly acquire the power transmission condition in the medium voltage line, and is convenient for the user to acquire the fault analysis, the fault prediction and the fault location in time, and the fault elimination is avoided.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic diagram of a main system of a medium-voltage line multi-scene information acquisition system provided by the application;
fig. 2 is a schematic diagram of a user management module system of a medium-voltage line multi-scenario information acquisition system provided by the present application;
fig. 3 is a schematic diagram of a multi-data source acquisition module system of a medium-voltage line multi-scene information acquisition system according to the present application;
fig. 4 is a schematic diagram of a multi-scene acquisition module system of a multi-scene information acquisition system of a medium-voltage line according to the present application;
fig. 5 is a schematic diagram of a data processing module system of a medium-voltage line multi-scenario information acquisition system provided by the present application;
fig. 6 is a schematic diagram of a main database system of a medium-voltage line multi-scenario information acquisition system provided by the present application.
In the figure: 1. a main system; 2. a user management module; 3. a multi-data source acquisition module; 4. a multi-scene acquisition module; 5. a data processing module; 6. a database query module; 7. a master database; 8. an account registration and login unit; 9. an account logout and management unit; 10. a system exit unit; 11. collecting a first CPU unit; 12. a communication CPU unit; 13. a GPRS unit; 14. a voltage acquisition unit; 15. collecting a CPU unit II; 16. a current collection unit; 17. a fixed camera acquisition unit; 18. a navigation test camera acquisition unit; 19. a mobile camera acquisition unit; 20. a satellite remote sensing type camera shooting acquisition unit; 21. a data scene importing unit; 22. a data matrix establishing unit; 23. a matrix analysis processing unit; 24. a result output unit; 25. a history database; 26. a real-time database; 27. a history model data information table; 28. a device parameter information table; 29. a history fault information table; 30. a user operation information table; 31. a device status information table; 32. a collage model data information table; 33. a voltage acquisition device; 34. and a current acquisition device.
Detailed Description
The following detailed description of specific embodiments of the application is provided in connection with the accompanying drawings and examples. The following examples are only illustrative of the present application and are not intended to limit the scope of the application.
As shown in fig. 1 to 6, the present embodiment proposes a medium voltage line multi-scenario information acquisition system, including a main system 1, where the main system 1 includes:
a user management module 2 for a user to manage a login account;
the multi-data source acquisition module 3 is used for acquiring current and voltage data in the medium-voltage line;
the multi-scene acquisition module 4 is used for acquiring video information of lines in the medium-voltage lines and the power distribution equipment working in different scenes;
the data processing module 5 is used for classifying the acquired data and carrying out data classification processing according to the working conditions under different scenes;
a main database 7 for storing the analysis result of the history classification data, the analysis result of the temporary classification data, the equipment parameter information data, the fault information, and the maintenance record;
a database query module 6, configured to query each data table in the main database 7;
the data processing module 5 comprises a data scene importing unit 21, a data matrix establishing unit 22, a matrix analysis processing unit 23 and a result output unit 24, wherein the data scene importing unit 21 imports acquired data and scene information into the data matrix establishing unit 22, the data matrix establishing unit 22 establishes a data matrix, imports the data matrix into the matrix analysis processing unit 23, analyzes the data matrix, imports an analysis result into the result output unit 24, and exports the result to the main database 7 for storage;
after the data scene importing unit 21 obtains the current value in the power transmission network in the medium-voltage line, the data matrix establishing unit 22 establishes a time-frequency matrix A of voltage and current, namely
Wherein n is the number of sampling points; />The voltage and current values of each sampling point;
the matrix analysis processing unit 23 analyzes the time-frequency matrix a into the following equation set
In->Is a diagonal matrix; />And->Are all orthogonal matrices;
for matrix->Characteristic value of>，/>Is singular value order; />Is->Rank of (c);
after the data scene importing unit 21 obtains the load value in the transformer substation in the medium voltage line, the data matrix establishing unit 22 establishes a connection unit load transfer matrix T, namely
In (1) the->Load which can be transferred to the j-th main transformer for the i-th good transformer substation;
the matrix analysis processing unit 23 analyzes the time transfer matrix T into the following equation set
In (1) the->The power supply capacity of the transformer substation; />Power supply capability in the station; />Network transfer capability; />The load quantity of the solar power station with the highest load is obtained; />The number of the main transformer is the number; />The capacity of a single main transformer; />The total station load rate of the transformer substation is calculated; />Is the main power factor.
According to the application, the acquired data of the medium voltage line power transmission network and the transformer substation are classified and built into the matrix through the data matrix building unit 22 in the data processing module 5 according to the acquired scene acquired by the multi-scene acquisition module 4 by the multi-data source acquisition module 3, the matrix built by the data matrix building unit 22 is analyzed through the equation set built by the matrix analysis processing unit 23, the analysis result is uploaded to the main database 7 through the result output unit 24 for storage, the data and the scene acquired by the multi-data source acquisition module 3 and the multi-scene acquisition module 4 and the analysis result of the data processing module 5 are uploaded to the real-time database 26 in the main database 7, the last group of data is stored in the history database 25 each time after the latest group of data is received by the real-time database 26, and the history information and the maintenance record in the history database 25 are stored through the history fault information table 29 and the user operation information table 30, so that the user can quickly acquire the power transmission condition in the medium voltage line, the fault prediction and the fault location in the medium voltage line are convenient, and the fault location in time is realized, and the fault is further avoided.
In this embodiment, the user management module 2 includes an account registration 8, an account logout 9, and a system logout unit 10, where the account registration 8 is used for registering a personal account with the user, the account logout 9 is used for logging out the account with the user and managing account names and passwords, and the system logout unit 10 is used for temporarily logging out the personal account with the user, so that the user can log in and manage the personal account conveniently.
In this embodiment, the multi-data source acquisition module 3 includes a voltage acquisition device 33, a current acquisition device 34 and a current acquisition device 35, where the voltage acquisition device 33 is used to acquire a voltage value in the medium voltage line power transmission network, the current acquisition device 34 is used to acquire a current value in the medium voltage line power transmission network, and the current acquisition device 35 is used to acquire a load value in the medium voltage line substation, so that the voltage and current values in the medium voltage line power transmission network and the load value in the medium voltage line substation are convenient to acquire.
In this embodiment, the voltage acquisition device 33 and the current acquisition device 34 are integrally provided, where the voltage acquisition device 33 includes a first acquisition CPU unit 11, a communication CPU unit 12, a GPRS unit 13, and a voltage acquisition unit 14, and is configured to acquire a voltage value in a medium voltage line, store and upload the voltage value, and the current acquisition device 34 includes a second acquisition CPU unit 15 and a current acquisition unit 16, and is configured to acquire a current value in a medium voltage line power transmission network, store and upload the current value and the voltage value through the voltage acquisition device 33, so that the acquired current value and the acquired voltage value in the medium voltage line power transmission network are conveniently uploaded.
In this embodiment, the multi-scene acquisition module 4 includes a fixed camera acquisition unit 17, a navigation test camera acquisition unit 18, a mobile camera acquisition unit 19 and a satellite remote sensing camera acquisition unit 20, and is used for acquiring video information in the medium-voltage line power transmission network and the transformer substation in multiple directions and multiple scenes, so that the acquired scenes are more comprehensive.
In this embodiment, the main database 7 includes a history database 25 and a real-time database 26, in which a history model data information table 27, an equipment parameter information table 28, a history fault information table 29, and a user operation information table 30 are provided in the history database 25, and are used for storing and organizing model data, equipment parameter data, history fault data, and maintenance records established in the medium-voltage line, and for storing the history data.
In this embodiment, the real-time database 26 includes an equipment status information table 31 and a collapser model data information table 32, which are used for storing the latest equipment status data and model data established in the medium-voltage line, so as to facilitate the user to query the latest update data.
In this embodiment, the real-time database 26 automatically stores the last set of data into the history database 25 after receiving the latest set of latest data, so as to facilitate updating the data.
The above embodiments are only for illustrating the present application, and are not limiting of the present application. While the application has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, and substitutions can be made thereto without departing from the spirit and scope of the application as defined in the appended claims.
Claims (8)
1. Medium voltage line multiscreen information acquisition system comprising a main system (1), characterized in that the main system (1) comprises:
a user management module (2) for a user to manage a login account;
the multi-data source acquisition module (3) is used for acquiring current and voltage data in the medium-voltage line;
the multi-scene acquisition module (4) is used for acquiring video information of lines in the medium-voltage lines and the power distribution equipment working in different scenes;
the data processing module (5) is used for classifying the acquired data and carrying out data classification processing according to the working conditions under different scenes;
a main database (7) for storing the analysis result of the history classification data, the analysis result of the temporary classification data, the equipment parameter information data, the fault information and the maintenance record;
the database query module (6) is used for querying various data tables in the main database (7);
the data processing module (5) comprises a data scene importing unit (21), a data matrix establishing unit (22), a matrix analysis processing unit (23) and a result output unit (24), wherein the data scene importing unit (21) imports acquired data and scene information into the data matrix establishing unit (22), establishes a data matrix by the data matrix establishing unit (22), imports the data matrix into the matrix analysis processing unit (23), analyzes the data matrix, imports an analysis result into the result output unit (24), and exports the result into the main database (7) for storage;
the data scene importing unit (21) builds a time-frequency matrix A of voltage and current through the data matrix building unit (22) after obtaining the voltage and current value in the power transmission network in the medium-voltage circuit, namely
Wherein n is the number of sampling points; />The voltage and current values of each sampling point;
the matrix analysis processing unit (23) analyzes and processes the time-frequency matrix A into the following equation set
In->Is a diagonal matrix; />And->Are all orthogonal matrices;
for matrix->Characteristic value of>，/>Is singular value order;is->Rank of (c);
the data scene importing unit (21) builds a connection unit load transfer matrix T through the data matrix building unit (22) after obtaining the load value in the transformer substation in the medium voltage line, namely
In (1) the->Load which can be transferred to the j-th main transformer for the i-th good transformer substation;
the matrix analysis processing unit (23) analyzes the time transfer matrix T into the following equation set
In (1) the->The power supply capacity of the transformer substation; />Power supply capability in the station; />Network transfer capability;the load quantity of the solar power station with the highest load is obtained; />The number of the main transformer is the number; />The capacity of a single main transformer; />The total station load rate of the transformer substation is calculated; />Is the main power factor.
2. A medium voltage line multiscreen information acquisition system according to claim 1, characterized in that the user management module (2) comprises an account registration (8), an account logout (9) and a system logout unit (10), the account registration (8) is used for user registration to log in a personal account, the account logout (9) is used for user logout account and management of account name, password, the system logout unit (10) is used for user temporary logout of a personal account.
3. A medium voltage line multiscreen information acquisition system according to claim 1, characterized in that the multiple data source acquisition module (3) comprises a voltage acquisition device (33), a current acquisition device (34) and (35), the voltage acquisition device (33) is used for acquiring a voltage value in a medium voltage line power transmission network, the current acquisition device (34) is used for acquiring a current value in the medium voltage line power transmission network, and the (35) is used for acquiring a load value in a medium voltage line substation.
4. A medium voltage line multi-scenario information acquisition system according to claim 3, wherein the voltage acquisition device (33) and the current acquisition device (34) are integrally arranged, the voltage acquisition device (33) comprises a first acquisition CPU unit (11), a communication CPU unit (12), a GPRS unit (13) and a voltage acquisition unit (14) for acquiring, storing and uploading voltage values in the medium voltage line, and the current acquisition device (34) comprises a second acquisition CPU unit (15) and a current acquisition unit (16) for acquiring current values in a medium voltage line power transmission network, storing and uploading the current values through the voltage acquisition device (33).
5. The medium voltage line multi-scene information acquisition system according to claim 1, wherein the multi-scene acquisition module (4) comprises a fixed camera acquisition unit (17), a navigation test camera acquisition unit (18), a mobile camera acquisition unit (19) and a satellite remote sensing camera acquisition unit (20) for video information acquisition in a multi-azimuth multi-scene medium voltage line power transmission network and a transformer substation.
6. The medium voltage line multi-scenario information acquisition system according to claim 1, wherein the main database (7) comprises a history database (25) and a real-time database (26), and a history model data information table (27), a device parameter information table (28), a history fault information table (29) and a user operation information table (30) are arranged in the history database (25) for storing and organizing model data, device parameter data, history fault data and maintenance records established in the medium voltage line.
7. A medium voltage line multiscreen information acquisition system according to claim 1, characterized in that the real time database (26) comprises a device status information table (31) and a collapser model data information table (32) for storing latest device status data and model data built in the medium voltage line.
8. A medium voltage line multiscreen information acquisition system according to claim 1, characterized in that the real time database (26) automatically stores the last set of data into the history database (25) after receiving the latest set of latest data.
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