CN113011608A - Power grid management strategy system based on data management - Google Patents
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Abstract
The invention discloses a power grid management strategy system based on data management, which is characterized in that a normal line loss database and a line loss type database are preset, and a judgment basis is provided for newly measured data through corresponding historical information, and specifically the judgment basis comprises the following steps: and obtaining an actual line loss deviation change diagram, and searching in a normal line loss database and a line loss type database by taking the types and the number of load components corresponding to the test area as indexes, so as to determine whether the actual line loss condition is normal or abnormal, and if the actual line loss condition is abnormal, obtaining the abnormal line loss condition and generating a corresponding task to be maintained. According to the invention, in the process of determining the actual line loss condition, the corresponding data can be accurately obtained without complicated calculation, and the calculation speed is high and the robustness is high. Through presetting the maintenance information database, confirm the maintainer fast and monitor the maintenance result through maintenance result feedback module, it is normal just can show that the maintenance is normal only to be had the man-machine testing result, improves the security performance of electric wire netting.
Description
Technical Field
The invention relates to the technical field of intelligent power grid management, in particular to a power grid management strategy system based on data management.
Background
When electric energy passes through power supply equipment such as a line and a transformer, the generated electric energy loss and power loss are power supply loss, namely line loss for short. The line loss is divided into technical loss and management loss, the technical loss is divided into fixed loss and variable loss, the fixed loss comprises iron loss of a transformer, loss of a voltage coil of an electric energy meter, dielectric loss of a power capacitor and the like, the fixed loss is irrelevant to the current, and the loss exists as long as the equipment is connected with a power supply; the variable loss refers to the loss generated by current passing through a conductor, and the loss of the conductor varies with the current after the section, the length and the material of the conductor are determined. The management loss refers to various losses caused by poor management, imperfect regulations, errors of metering devices and other unknown factors.
In the prior art, factors such as the section and the length of a collected power transmission line, the resistance of components such as a transformer and the like, the current magnitude and the like can be input into an equivalent resistance algorithm to be calculated to obtain a theoretical line loss value, potential safety hazards exist in a power grid can be noticed according to the deviation of the theoretical line loss value and an actual line loss value, however, how to know the specific situation of the potential safety hazards and how to effectively send corresponding maintainers to overhaul the potential safety hazards is an unsolved problem at present.
Disclosure of Invention
The invention aims to provide a power grid management strategy system based on data management, which can find abnormal line loss in time, acquire specific abnormal conditions of the abnormal line loss, dispatch corresponding maintainers for maintenance and monitor maintenance results.
In order to achieve the purpose, the invention adopts the technical scheme that: a power grid management strategy system based on data management comprises a power grid, a plurality of test areas and a plurality of power management modules, wherein the power input part and the power output part of each test area are respectively provided with a power detection module, and the power detection modules are used for respectively measuring power information at the power input part and the power output part;
the power grid management strategy system further comprises a normal line loss database, a line loss type database and an overhaul information database, wherein the normal line loss database stores a plurality of line loss-normal data groups, the types and the quantities of load components in the power grid corresponding to different line loss-normal data groups are different, and the line loss-normal data groups store normal load component types and quantities in the power grid and corresponding normal line loss deviation change graphs;
the line loss type database is stored with a plurality of line loss-abnormal data sets, the types and the quantities of load components in the power grid corresponding to different line loss-abnormal data sets are different, and the line loss-abnormal data sets are stored with abnormal line loss deviation change graphs and corresponding abnormal line loss conditions;
maintenance task data groups are stored in the maintenance information database, different maintenance task data groups correspond to different maintenance task types, and maintenance tasks and corresponding maintenance personnel numbers are stored in the maintenance task data groups;
the power grid management strategy system also comprises a theoretical line loss calculation module, an actual line loss measurement module, a line loss change diagram drawing module, a line loss abnormity monitoring module, a maintenance task allocation module and a maintenance result feedback module;
the theoretical line loss calculation module is used for calculating a theoretical line loss value of each test area according to an equivalent resistance algorithm;
the actual line loss measuring module calculates a difference value according to the electric quantity information detected by the electric quantity detecting module at the electric input and the electric output of each test area to determine an actual line loss value corresponding to the test area in the power grid;
the line loss change diagram drawing module is used for obtaining a theoretical line loss value of the theoretical line loss calculating module and an actual line loss value of the actual line loss measuring module, obtaining a line loss deviation value according to the theoretical line loss value and the actual line loss value, and obtaining an actual line loss deviation change diagram corresponding to the test area according to the line loss deviation value;
the line loss abnormity monitoring module is used for obtaining an actual line loss deviation change diagram of the line loss change diagram drawing module, obtaining the types and the number of load components corresponding to a test area, matching the types and the number of the load components corresponding to the test area in the normal line loss database and the line loss type database, and displaying that the line loss is normal if a corresponding line loss-normal data set is obtained by matching in the normal line loss database; if the corresponding line loss-abnormal data set is obtained in the line loss type database in a matching mode, generating a corresponding task to be maintained according to the abnormal line loss condition;
the maintenance task allocation module is used for obtaining a task to be maintained of the line loss abnormity monitoring module, matching the task to be maintained in the maintenance information database to obtain a corresponding maintainer number and generating a corresponding maintenance task, and generating a task completion signal if the maintenance task is completed;
the maintenance result feedback module is used for obtaining an actual line loss deviation change diagram of the line loss change diagram drawing module, and displaying that maintenance is normally finished if a task completion signal is received and the actual line loss deviation change diagram is matched in the normal line loss database to obtain a corresponding line loss-normal data group; and if the actual line loss deviation change diagram is matched in the line loss type database to obtain a corresponding line loss-abnormal data group after the task completion signal is received, displaying the overhaul abnormity.
Preferably, a single overhaul task in the overhaul task data set corresponds to a plurality of overhaul personnel numbers, and a single overhaul personnel number corresponds to a plurality of overhaul tasks.
Preferably, the corresponding service man number is not selectable if the service task is generated in the service task allocation module, and is selectable if the completion task signal is generated in the service task allocation module.
Preferably, if the maintenance task is generated in the maintenance task allocation module, the corresponding maintenance personnel number becomes unselectable, and if the maintenance result feedback module displays that maintenance is normally completed, the corresponding maintenance personnel number becomes selectable.
Preferably, the line loss abnormality monitoring module generates a task to be maintained and simultaneously generates a completion time limit.
Preferably, if the maintenance result feedback module does not show that the maintenance is normally completed within the completion time limit, task reminding information is generated and sent to the terminal of the corresponding maintenance personnel.
Preferably, the power grid management strategy system further comprises an in-depth maintenance module;
go deep into and overhaul the module, if show among the maintenance result feedback module and overhaul unusual then divide into a plurality of test subareas with the test district that corresponds electric quantity detection module is add to the electric input department and the electric output department in test subarea to it obtains the task of treating the maintenance that test subarea corresponds to repeat theoretical line loss calculation module, actual line loss measurement module, line loss variation diagram drawing module and line loss anomaly monitoring module.
Preferably, the task to be maintained corresponding to the test sub-area is sent to the terminal of the original maintainer.
Preferably, the task to be maintained corresponding to the test sub-area is sent to terminals of other maintainers except the terminal of the original maintainer.
Preferably, if a maintenance abnormal-free signal sent by a terminal of a maintainer is received in the deep maintenance module, the equivalent resistance algorithm of the theoretical line loss calculation module is corrected according to the actual line loss value measured by the actual line loss measurement module.
Compared with the prior art, the invention has the beneficial effects that: presetting a normal line loss database and a line loss type database, and providing a judgment basis for newly measured data through corresponding historical information, wherein the judgment basis specifically comprises the following steps: and obtaining an actual line loss deviation change diagram, and searching in a normal line loss database and a line loss type database by taking the types and the number of load components corresponding to the test area as indexes, so as to determine whether the actual line loss condition is normal or abnormal, and if the actual line loss condition is abnormal, obtaining the abnormal line loss condition and generating a corresponding task to be maintained. According to the invention, in the process of determining the actual line loss condition, the corresponding data can be accurately obtained without complicated calculation, and the calculation speed is high and the robustness is high. Through presetting the maintenance information database, confirm the maintainer fast and monitor the maintenance result through maintenance result feedback module, it is normal just can show that the maintenance is normal only to be had the man-machine testing result, improves the security performance of electric wire netting.
Drawings
Fig. 1 is a schematic diagram of a power grid management policy system based on data management.
The reference numerals are explained below: 011. an electric quantity detection module; 012. a theoretical line loss calculation module; 013. an actual line loss measuring module; 014. a line loss change diagram drawing module; 015. a line loss abnormity monitoring module; 016. a maintenance task allocation module; 017. a maintenance result feedback module; 018. deeply overhauling the module; 020. a normal line loss database; 030. a line loss type database; 040. and (5) overhauling the information database.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1:
as shown in fig. 1, a power grid management policy system based on data management includes dividing a power grid into a plurality of test areas, and providing electric quantity detection modules 011 at an electrical input and an electrical output of each test area, where the electric quantity detection modules 011 are used to measure electric quantity information at the electrical input and the electrical output respectively;
the power grid management strategy system further comprises a normal line loss database 020, a line loss type database 030 and a maintenance information database 040, wherein the normal line loss database 020 is stored with a plurality of line loss-normal data sets, the types and the quantities of load components in the power grid corresponding to the different line loss-normal data sets are different, and the line loss-normal data sets are used for storing normal line loss deviation change graphs of the types and the quantities of the load components in the power grid;
the line loss type database 030 stores a plurality of line loss-abnormal data sets, the types and the quantities of load components in the power grid corresponding to different line loss-abnormal data sets are different, and the line loss-abnormal data sets store abnormal line loss deviation change diagrams and corresponding abnormal line loss conditions;
the overhaul information database 040 stores overhaul task data groups, different overhaul task data groups correspond to different overhaul task types, and overhaul tasks and corresponding overhaul personnel numbers are stored in the overhaul task data groups;
the power grid management strategy system further comprises a theoretical line loss calculation module 012, an actual line loss measurement module 013, a line loss change diagram drawing module 014, a line loss abnormity monitoring module 015, a maintenance task allocation module 016 and a maintenance result feedback module 017;
the theoretical line loss calculation module 012 calculates the theoretical line loss value of each test area according to an equivalent resistance algorithm;
the actual line loss measuring module 013 calculates a difference value according to the electric quantity information at the electric input and the electric output of each test area detected by the electric quantity detecting module 011 to determine an actual line loss value corresponding to the test area in the power grid;
the line loss change diagram drawing module 014 is used for obtaining a theoretical line loss value of the theoretical line loss calculation module 012 and an actual line loss value of the actual line loss measurement module 013, obtaining a line loss deviation value according to the theoretical line loss value and the actual line loss value, and obtaining an actual line loss deviation change diagram corresponding to the test area according to the line loss deviation value;
the line loss anomaly monitoring module 015, obtaining the actual line loss deviation variation graph of the line loss variation graph drawing module 014, obtaining the types and the number of load components corresponding to the test zones, matching the types and the number of the load components corresponding to the test zones in the normal line loss database 020 and the line loss type database 030, and displaying that the line loss is normal if a corresponding line loss-normal data set is obtained by matching in the normal line loss database 020; if a corresponding line loss-abnormal data set is obtained in the line loss type database 030 through matching, generating a corresponding task to be maintained according to the abnormal line loss condition;
the overhaul task allocation module 016 acquires the to-be-maintained task of the line loss anomaly monitoring module 015, matches the to-be-maintained task in the overhaul information database 040 to obtain a corresponding overhaul personnel number and generates a corresponding overhaul task, and if the overhaul task is completed, generates a task completion signal. The line loss abnormality monitoring module 015 generates a completion time limit while generating a task to be maintained. If the overhaul result feedback module 017 does not display that the overhaul is normally finished within the completion time limit, task reminding information is generated and sent to the terminal of the corresponding overhaul personnel;
the overhaul result feedback module 017 acquires an actual line loss deviation change diagram of the line loss change diagram drawing module 014, and if a task completion signal is received and the actual line loss deviation change diagram is matched in the normal line loss database 020 to obtain a corresponding line loss-normal data group, displaying that overhaul is normally completed; and if the task completion signal is received but the actual line loss deviation variation graph is matched in the line loss type database 030 to obtain a corresponding line loss-abnormal data set, displaying that the overhaul is abnormal.
And a single overhaul task in the overhaul task data group corresponds to a plurality of overhaul personnel numbers, and the single overhaul personnel number corresponds to a plurality of overhaul tasks.
If the maintenance task is generated in the maintenance task assignment module 016, the corresponding maintenance person number becomes unselectable, and if the completion task signal is generated in the maintenance task assignment module 016, the corresponding maintenance person number becomes selectable. And after the overhaul is finished, a new overhaul task can be distributed to the maintainers, and the time utilization rate is high.
Presetting a normal line loss database 020 and a line loss type database 030, and providing a judgment basis for newly determined data through corresponding historical information, specifically: and obtaining an actual line loss deviation change diagram, and searching in a normal line loss database 020 and a line loss type database 030 by taking the types and the number of load components corresponding to the test area as indexes, so as to determine whether the actual line loss condition is normal or abnormal, and if the actual line loss condition is abnormal, obtaining the abnormal line loss condition and generating a corresponding task to be maintained. According to the invention, in the process of determining the actual line loss condition, the corresponding data can be accurately obtained without complicated calculation, and the calculation speed is high and the robustness is high. Through presetting overhaul information database 040, confirm the maintainer fast and monitor the overhaul result through overhaul result feedback module 017, it is normal only to show that overhaul is normal only if the man-machine testing result is normal, improves the security performance of electric wire netting.
Example 2:
the difference from example 1 is that: if the overhaul task is generated in the overhaul task allocation module 016, the corresponding overhaul personnel number becomes unselectable, and if the overhaul result feedback module 017 displays that the overhaul is normally completed, the corresponding overhaul personnel number becomes selectable. The maintenance result is ensured to be normally completed and then the task is distributed to the corresponding maintainers, the attention degree of the maintainers to the task can be improved, and the working effectiveness of the maintainers is improved.
The power grid management strategy system further comprises an in-depth maintenance module 018;
go deep into and overhaul module 018, if show in the maintenance result feedback module 017 to overhaul unusual then divide into a plurality of test subareas with the test that corresponds in the electric input department and the electric output department of test subarea add electric quantity detection module 011 to theoretical line loss calculation module 012, actual line loss measurement module 013, line loss change map drawing module 014 and line loss anomaly monitoring module 015 obtain the task of waiting to maintain that test subarea corresponds. And sending the task to be maintained corresponding to the test sub-area to the terminal of the original maintainer. If a maintenance abnormal-free signal sent by a terminal of a maintenance worker is received in the deep maintenance module 018, the equivalent resistance algorithm of the theoretical line loss calculation module 012 is corrected according to the actual line loss value measured by the actual line loss measurement module 013. When the human-computer detection result is divergent, the power grid can be more perfectly examined by more carefully overhauling the power grid, so that the errors caused by man-made or algorithm are corrected.
Example 3:
the difference from example 2 is that:
and sending the task to be maintained corresponding to the test sub-area to terminals of other maintainers except the terminal of the original maintainer. The knowledge and sense organ of the same maintainer have limitation, and other maintainers may find the problem which is not found by the original maintainer and can play a role of mutual supervision.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. A power grid management strategy system based on data management is characterized by comprising a power grid, a plurality of test areas and a power detection module (011), wherein the power detection module (011) is arranged at the electric input part and the electric output part of each test area and is used for respectively measuring the power information at the electric input part and the electric output part;
the power grid management strategy system further comprises a normal line loss database (020), a line loss type database (030) and a maintenance information database (040), wherein the normal line loss database (020) stores a plurality of line loss-normal data sets, the types and the quantities of load components in the power grid corresponding to the different line loss-normal data sets are different, and the line loss-normal data sets store the types and the quantities of the load components in the normal power grid and a corresponding normal line loss deviation change diagram;
the line loss type database (030) stores a plurality of line loss-abnormal data sets, the types and the number of load components in the power grid corresponding to different line loss-abnormal data sets are different, and the line loss-abnormal data sets store abnormal line loss deviation change graphs and corresponding abnormal line loss conditions;
the overhaul information database (040) stores overhaul task data groups, different overhaul task data groups correspond to different overhaul task types, and overhaul tasks and corresponding overhaul personnel numbers are stored in the overhaul task data groups;
the power grid management strategy system further comprises a theoretical line loss calculation module (012), an actual line loss measurement module (013), a line loss change diagram drawing module (014), a line loss abnormity monitoring module (015), a maintenance task allocation module (016) and a maintenance result feedback module (017);
the theoretical line loss calculation module (012) is used for calculating the theoretical line loss value of each test area according to an equivalent resistance algorithm;
the actual line loss measuring module (013) calculates a difference value according to the electric quantity information at the electric input and the electric output of each test area detected by the electric quantity detecting module (011) to determine an actual line loss value corresponding to the test area in the power grid;
the line loss change diagram drawing module (014) is used for obtaining a theoretical line loss value of the theoretical line loss calculating module (012) and an actual line loss value of the actual line loss measuring module (013), obtaining a line loss deviation value according to the theoretical line loss value and the actual line loss value, and obtaining an actual line loss deviation change diagram corresponding to the test area according to the line loss deviation value;
the line loss abnormity monitoring module (015) is used for obtaining an actual line loss deviation change diagram of the line loss change diagram drawing module (014), obtaining types and quantity of load components corresponding to the test areas, matching the types and quantity of the load components corresponding to the test areas in the normal line loss database (020) and the line loss type database (030), and displaying that the line loss is normal if a corresponding line loss-normal data set is obtained by matching in the normal line loss database (020); if a corresponding line loss-abnormal data set is obtained in the line loss type database (030) in a matching manner, generating a corresponding task to be maintained according to the abnormal line loss condition;
the overhaul task allocation module (016) is used for acquiring a to-be-maintained task of the line loss abnormity monitoring module (015), matching the to-be-maintained task in the overhaul information database (040) to obtain a corresponding overhaul personnel number and generating a corresponding overhaul task, and if the overhaul task is completed, generating a task completion signal;
the overhaul result feedback module (017) is used for obtaining an actual line loss deviation change diagram of the line loss change diagram drawing module (014), and if a task completion signal is received and the actual line loss deviation change diagram is matched in the normal line loss database (020) to obtain a corresponding line loss-normal data group, displaying that overhaul is normally completed; if a task completion signal is received but the actual line loss deviation variation graph is matched in the line loss type database (030) to obtain a corresponding line loss-abnormal data set, displaying abnormal overhaul;
a single overhaul task in the overhaul task data group corresponds to a plurality of overhaul personnel numbers, and the single overhaul personnel number corresponds to a plurality of overhaul tasks; and if the maintenance task is generated in the maintenance task allocation module (016), the corresponding maintenance person number becomes unselectable, and if the completion task signal is generated in the maintenance task allocation module (016), the corresponding maintenance person number becomes selectable.
2. The power grid management strategy system based on data management as claimed in claim 1, wherein the corresponding service man number becomes unselectable if the service task is generated in the service task allocation module (016), and becomes selectable if the service result feedback module (017) shows that the service is normally completed.
3. The grid management strategy system based on data management according to claim 1, wherein a completion deadline is generated at the same time of a task to be maintained in the line loss anomaly monitoring module (015).
4. The power grid management strategy system based on data management as claimed in claim 3, wherein if the overhaul result feedback module (017) does not show normal overhaul completion within the completion time limit, task reminding information is generated and sent to the terminal of the corresponding overhaul personnel.
5. A data management based grid management policy system according to claim 1 further comprising an in-depth overhaul module (018);
go deep into and overhaul module (018), if show in maintenance result feedback module (017) and overhaul unusual then divide into a plurality of test subareas with the test district that corresponds electric quantity detection module (011) is add to the electric input department and the electric output department in test subarea to the task of waiting to maintain that theoretical line loss calculation module (012), actual line loss measurement module (013), line loss change chart drawing module (014) and line loss anomaly monitoring module (015) correspond is got to the repeated line loss calculation module (012), is tested the subarea and is corresponded.
6. The power grid management strategy system based on data management as claimed in claim 5, wherein the task to be maintained corresponding to the test sub-area is sent to the terminal of the original maintainer.
7. The power grid management strategy system based on data management as claimed in claim 5, wherein the task to be maintained corresponding to the test sub-area is sent to the terminals of other maintainers except the terminal of the original maintainer.
8. The grid management strategy system based on data management according to claim 5, 6 or 7, wherein if a maintenance abnormal-free signal sent by a terminal of a maintenance person is received in the deep maintenance module (018), the equivalent resistance algorithm of the theoretical line loss calculation module (012) is corrected according to the actual line loss value measured by the actual line loss measurement module (013).
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