CN112670942A - Distribution network system relay protection setting calculation and data management system - Google Patents
Distribution network system relay protection setting calculation and data management system Download PDFInfo
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Abstract
The invention relates to a distribution network system relay protection setting calculation and data management system, which comprises a distribution network automation module, a protection fixed value setting calculation module, a setting calculation platform and a data transmission module, wherein the distribution network automation module and the protection fixed value setting calculation module are connected with the setting calculation platform through the data transmission module, and the distribution network system relay protection setting calculation and data management system has the advantages that: the automatic calculation of the relay protection setting value of the distribution network can be realized through the distribution network automation module, the protection setting value setting calculation module and the setting calculation platform, a calculation book and a setting list are automatically generated, the problem that the distribution network cannot realize the automation of the distribution network setting calculation due to the complex modeling and setting and the like is solved, distribution network personnel are liberated from complicated manual calculation, the repetitive work and the manual calculation error of the distribution network personnel are reduced, a technical basis is laid for the intelligent setting of the distribution network, and the automatic setting calculation platform can be provided for the relay protection distribution network setting calculation personnel.
Description
Technical Field
The invention relates to a distribution network system relay protection setting calculation and data management system.
Background
With the rapid development of national economy, users put higher requirements on the power supply reliability of medium and low voltage distribution networks. Reliable power supply time needs to be ensured during operation of the power distribution network, and power grid faults and influences of the power distribution network are reduced, so that more and more attention is paid to relay protection setting calculation work of the power distribution network. In power systems at home and abroad, setting calculation tools go through low-level to high-level development stages, automation of the whole setting calculation process is realized, a convenient and visual human-computer interaction interface is provided, an organization management mode of data and information is perfected, and the method becomes the development direction of new generation setting calculation software.
According to the current relay protection work of the distribution network, due to the characteristics of frequent change of a distribution network operation mode, complex wiring mode, more T wiring and T connection and the like, when a relay protection fixed value setting and managing method of a high-voltage-grade power grid is adopted, the workload is large, the accuracy and the integrity of equipment parameters cannot be guaranteed, meanwhile, due to the fact that the distribution network protection devices are various, the power grid protection device specification as high-voltage-grade power grid protection devices is not formed, the workload of distribution network setting workers is large, the work efficiency is low, and the error rate is high.
Disclosure of Invention
The invention aims to provide a distribution network system relay protection setting calculation and data management system, which can reduce the workload of distribution network setting workers, improve the working efficiency, reduce potential safety hazards and ensure the safe and stable operation of a power grid.
In order to solve the technical problems, the invention is realized by the following technical scheme: a distribution network system relay protection setting calculation and data management system comprises a data repository, a distribution network automation module, a protection setting calculation module, a setting calculation platform, an on-site protection module, a data transmission module and a client module, wherein the data repository, the distribution network automation module, the protection setting calculation module, the on-site protection module and the client module are all connected with the setting calculation platform through the data transmission module;
the data storage library is respectively connected with a data receiving module and a data calling module, the data calling module is connected with a data processing module, the data processing module is connected with a data display module, the distribution network automation module comprises an information acquisition module, the information acquisition module is connected with a data analysis module, and the data analysis module is connected with a modeling module;
the setting calculation platform comprises a basic support module, a basic application module and an application module, wherein the application module comprises a modeling and setting module, a management module and a system setting module.
Preferably, the information acquisition module comprises an equipment information acquisition module, a network topology connection relation acquisition module, an equipment connection position acquisition module and a protection configuration information acquisition module, and the equipment information acquisition module, the network topology connection relation acquisition module, the equipment connection position acquisition module and the protection configuration information acquisition module are all connected with the data analysis module.
Preferably, the basic support module includes a power grid model management module, a power grid graph management module and a topology analysis module.
Preferably, the basic application module comprises a simple fault module, a current maximum value module, a branch coefficient module, a principle setting module and a device setting module.
Preferably, the modeling and setting module comprises a typical model module, a principle scheme configuration module and a principle protection setting module.
Preferably, the management module comprises a calculation book management module, a fixed value list management module, an equipment parameter management module and a protection device management module.
Preferably, the system setting module includes a reference capacity setting module, a reference voltage setting module, a time step difference module, and a calculation accuracy setting module.
Preferably, the distribution network system relay protection setting calculation and data management system further comprises a printing module, and the data display module and the client module are both connected with the printing module.
Preferably, the client module comprises a display module and a manual input module.
Preferably, the setting calculation platform comprises a calculation book module and a fixed value single module, and the fixed value single module comprises a protection device establishing module, a fixed value single template determining module, an associated fixed value item module and a fixed value template storing module.
In conclusion, the invention has the advantages that: the automatic calculation of the distribution network relay protection setting value can be realized through the distribution network automation module, the protection setting value setting calculation module and the setting calculation platform, a calculation book and a setting list are automatically generated, the problem that the distribution network cannot realize the distribution network setting calculation automation due to the complex modeling and setting and the like is solved, distribution network personnel are liberated from complicated manual calculation, the repetitive work and the manual calculation error of the distribution network personnel are reduced, a technical foundation is laid for the intelligent setting of the distribution network, an automatic setting calculation platform for the relay protection distribution network setting calculation personnel can be provided, the distribution network setting principle is standardized, the setting calculation format and the setting list format data are standardized, the setting calculation system and a database structure are standardized, the integration of the distribution network setting calculation and a main network setting calculation system can be promoted, the development towards the information and the intelligence of the distribution network is facilitated, and the method is beneficial to the research and construction of the current intelligent power grid, the management system can improve the professional management level of relay protection of the distribution network, reduce the workload of distribution network setting workers, improve the working efficiency, reduce potential safety hazards and ensure the safe and stable operation of the power grid, basic metadata such as models, graphs and topologies can be managed through the basic support module and the basic application module, the basic support module and the basic application module are mutually independent and do not interfere with each other, the data transmission module can ensure the normal and quick transmission of data, the transmission effect is improved, and the data storage library can store the data.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
Drawings
The invention is further illustrated with reference to the accompanying drawings:
FIG. 1 is a schematic structural diagram of a distribution network system relay protection setting calculation and data management system according to the present invention;
FIG. 2 is a schematic structural diagram of the interior of a setting calculation platform in the present invention;
fig. 3 is a schematic structural diagram of the interior of an application module in the present invention.
Reference numerals:
1. a data storage library, 2, a distribution network automation module, 3, a protection setting value setting calculation module, 4, a setting calculation platform, 5, a field protection module, 6, a data transmission module, 7, a client module, 701, a display module, 702, a manual input module, 8, a data receiving module, 9, a data calling module, 10, a data processing module, 11, a data display module, 12, an information acquisition module, 1201, an equipment information acquisition module, 1202, a network topology connection relation acquisition module, 1203, an equipment connection position acquisition module, 1204, a protection configuration information acquisition module, 13, a data analysis module, 14, a modeling module, 15, a basic support module, 1501, a power grid model management module, 1502, a power grid graph management module, 1503, a topology analysis module, 16, a basic application module, 1601, a simple fault module, 1602, a current maximum value module, 1603. a branch coefficient module, 1604, a principle setting module, 1605, an apparatus setting module, 17, an application module, 18, a modeling and setting module, 1801, a typical model module, 1802, a principle scheme configuration module, 1803, a principle protection setting module, 19, a management module, 1901, a calculation book management module, 1902, a constant value single management module, 1903, an equipment parameter management module, 1904, a protection apparatus management module, 20, a system setting module, 2001, a reference capacity setting module, 2002, a reference voltage setting module, 2003, a time level difference module, 2004, a calculation precision setting module, 21, a printing module, 22, a calculation book module, 23, a constant value single module, 2301, a protection apparatus establishing module, 2302, a constant value single template determining module, 2303, an associated constant value item module, 2304, and a constant value template storage module.
Detailed Description
As shown in fig. 1, 2 and 3, a distribution network system relay protection setting calculation and data management system comprises a data repository 1, a distribution network automation module 2, a protection setting calculation module 3, a setting calculation platform 4, an on-site protection module 5, a data transmission module 6 and a client module 7, wherein the data repository 1, the distribution network automation module 2, the protection setting calculation module 3, the on-site protection module 5 and the client module 7 are all connected with the setting calculation platform 4 through the data transmission module 6; the data storage library 1 is respectively connected with a data receiving module 8 and a data calling module 9, the data calling module 9 is connected with a data processing module 10, the data processing module 10 is connected with a data display module 11701, the distribution network automation module 2 comprises an information acquisition module 12, the information acquisition module 12 is connected with a data analysis module 13, and the data analysis module 13 is connected with a modeling module 14; the setting calculation platform 4 comprises a basic support module 15, a basic application module 16 and an application module 17, wherein the application module 17 comprises a modeling and setting module 18, a management module 19 and a system setting module 20.
The automatic calculation of the distribution network relay protection setting value can be realized through the distribution network automation module, the protection setting value setting calculation module and the setting calculation platform, a calculation book and a setting list are automatically generated, the problem that the distribution network cannot realize the distribution network setting calculation automation due to the complex modeling and setting and the like is solved, distribution network personnel are liberated from complicated manual calculation, the repetitive work and the manual calculation error of the distribution network personnel are reduced, a technical foundation is laid for the intelligent setting of the distribution network, an automatic setting calculation platform for the relay protection distribution network setting calculation personnel can be provided, the distribution network setting principle is standardized, the setting calculation format and the setting list format data are standardized, the setting calculation system and a database structure are standardized, the integration of the distribution network setting calculation and a main network setting calculation system can be promoted, the development towards the information and the intelligence of the distribution network is facilitated, and the method is beneficial to the research and construction of the current intelligent power grid, the distribution network relay protection professional management level can be improved, the workload of distribution network setting workers can be reduced, the working efficiency is improved, potential safety hazards are reduced, safe and stable operation of a power grid is guaranteed, basic metadata such as models, graphs and topologies can be managed through the basic supporting module and the basic application module, the basic supporting module and the basic application module are mutually independent and do not interfere with each other, the data transmission module can guarantee normal and rapid transmission of data, and the transmission effect is improved.
The information acquisition module 12 comprises an equipment information acquisition module 1201, a network topology connection relation acquisition module 1202, an equipment connection position acquisition module 1203 and a protection configuration information acquisition module 1204, the equipment information acquisition module 1201, the network topology connection relation acquisition module 1202, the equipment connection position acquisition module 1203 and the protection configuration information acquisition module 1204 are all connected with a data analysis module 1503, data such as electrical equipment information, network topology connection relation, equipment connection position, protection configuration information and the like in a transformer substation, a switch station and a distribution substation in the power distribution network can be acquired through the equipment information acquisition module 1201, the equipment connection position acquisition module 1203 and the protection configuration information acquisition module 1204 for analysis, a power grid setting model required by the intelligent distribution network setting system is automatically generated, and a setting calculation power grid basic model is formed by the equipment parameters of the distribution network and secondary equipment information which are reported, and the intelligent setting of the distribution network and the overall process management of related data are realized.
The basic support module 15 includes a power grid model management module 1501, a power grid graph management module 1502 and a topology analysis module 1503, the basic application module 16 includes a simple fault module 1601, a current maximum value module 1602, a branch coefficient module 1603, a principle setting module 1604 and a device setting module 1605, the modeling and setting module 18 includes a typical model module 1801, a principle scheme configuration module 1802 and a principle protection setting module 1803, the management module 19 includes a calculation book management module 1901, a fixed value list management module 1902, an equipment parameter management module 1903 and a protection device management module 1904, and the system setting module 20 includes a reference capacity setting module 2001, a reference voltage setting module 2002, a time step difference module 2003 and a calculation accuracy setting module 2004.
The distribution network system relay protection setting calculation and data management system further comprises a printing module 21, the data display module 11 and the client module 7 are connected with the printing module 21, printing of data can be achieved, bottom storage and storage are facilitated, management is facilitated, the client module 7 comprises a display module 701 and a manual input module 702, the display module 701 facilitates real-time display of data, the manual input module 702 can manually input information, the setting calculation platform 4 comprises a calculation book module 22 and a setting list module 23, and the setting list module 23 comprises a protection device establishing module 2301, a setting list template determining module 2302, an associated setting item module 2303 and a setting template storage module 2304.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (10)
1. A distribution network system relay protection setting calculation and data management system is characterized in that: the system comprises a data storage library (1), a distribution network automation module (2), a protection constant value setting calculation module (3), a setting calculation platform (4), a field protection module (5), a data transmission module (6) and a client module (7), wherein the data storage library (1), the distribution network automation module (2), the protection constant value setting calculation module (3), the field protection module (5) and the client module (7) are all connected with the setting calculation platform (4) through the data transmission module (6);
the data storage library (1) is respectively connected with a data receiving module (8) and a data retrieving module (9), the data retrieving module (9) is connected with a data processing module (10), the data processing module (10) is connected with a data display module (11), the distribution network automation module (2) comprises an information acquisition module (12), the information acquisition module (12) is connected with a data analysis module (13), and the data analysis module (13) is connected with a modeling module (14);
the setting calculation platform (4) comprises a basic support module (15), a basic application module (16) and an application module (17), wherein the application module (17) comprises a modeling and setting module (18), a management module (19) and a system setting module (20).
2. The distribution network system relay protection setting calculation and data management system according to claim 1, characterized in that: the information acquisition module (12) comprises an equipment information acquisition module (1201), a network topology connection relation acquisition module (1202), an equipment connection position acquisition module (1203) and a protection configuration information acquisition module (1204), and the equipment information acquisition module (1201), the network topology connection relation acquisition module (1202), the equipment connection position acquisition module (1203) and the protection configuration information acquisition module (1204) are all connected with the data analysis module (13).
3. The distribution network system relay protection setting calculation and data management system according to claim 1, characterized in that: the basic support module (15) comprises a power grid model management module (1501), a power grid graph management module (1502) and a topology analysis module (1503).
4. The distribution network system relay protection setting calculation and data management system according to claim 1, characterized in that: the basic application module (16) comprises a simple fault module (1601), a current maximum value module (1602), a branching coefficient module (1603), a principle setting module (1604) and a device setting module (1605).
5. The distribution network system relay protection setting calculation and data management system according to claim 1, characterized in that: the modeling and tuning module (18) comprises a typical model module (1801), a principle scheme configuration module (1802) and a principle protection tuning module (1803).
6. The distribution network system relay protection setting calculation and data management system according to claim 1, characterized in that: the management module (19) comprises a calculation book management module (1901), a fixed value list management module (1902), an equipment parameter management module (1903) and a protection device management module (1904).
7. The distribution network system relay protection setting calculation and data management system according to claim 1, characterized in that: the system setting module (20) includes a reference capacity setting module (2001), a reference voltage setting module (2002), a time step difference module (2003), and a calculation accuracy setting module (2004).
8. The distribution network system relay protection setting calculation and data management system according to claim 1, characterized in that: the distribution network system relay protection setting calculation and data management system further comprises a printing module (21), and the data display module (11) and the client module (7) are connected with the printing module (21).
9. The distribution network system relay protection setting calculation and data management system according to claim 1, characterized in that: the client module (7) comprises a display module (701) and a manual input module (702).
10. The distribution network system relay protection setting calculation and data management system according to claim 1, characterized in that: the setting calculation platform (4) further comprises a calculation book module (22) and a constant value single module (23), wherein the constant value single module (23) comprises a protection device establishing module (2301), a constant value single template determining module (2302), an associated constant value item module (2303) and a constant value template storage module (2304).
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| CN202011329238.0A CN112670942A (en) | 2020-11-24 | 2020-11-24 | Distribution network system relay protection setting calculation and data management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115588961A (en) * | 2022-12-07 | 2023-01-10 | 国网浙江省电力有限公司金华供电公司 | Setting value self-adaptive setting method based on power distribution network full-model protection |
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| CN105205324A (en) * | 2015-09-23 | 2015-12-30 | 许继电气股份有限公司 | Setting calculation method for direct current system protection setting value |
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| CN115588961A (en) * | 2022-12-07 | 2023-01-10 | 国网浙江省电力有限公司金华供电公司 | Setting value self-adaptive setting method based on power distribution network full-model protection |
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