CN107196801B - Automatic platform district topology identification system - Google Patents
Automatic platform district topology identification system Download PDFInfo
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- CN107196801B CN107196801B CN201710391723.2A CN201710391723A CN107196801B CN 107196801 B CN107196801 B CN 107196801B CN 201710391723 A CN201710391723 A CN 201710391723A CN 107196801 B CN107196801 B CN 107196801B
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Abstract
The invention discloses an automatic identification system for a distribution room topology, which comprises a main station, a concentrator and one or more identification terminals, wherein the main station is connected with the concentrator; the master station is used for periodically generating a platform area topology identification instruction according to a platform area topology identification strategy; acquiring the topological logic relationship information of the distribution area generated by the concentrator, and drawing and generating a distribution area topological graph according to the topological logic relationship information of the distribution area; the concentrator is used for issuing an identification terminal control command according to a station area topology identification command periodically generated by the main station; acquiring an identification signal generated by an identification terminal, and generating station area topological logic relationship information according to the identification signal; and the identification terminal is used for finishing the sampling of the signal on the power line according to an identification terminal control command issued by the concentrator, demodulating and operating the load carrier signal and generating an identification signal. The method can ensure the accuracy of the identification of the platform area topology and accurately obtain the platform area topology map; the line condition can be regularly checked, and the manual investment of the operation, maintenance and maintenance work of the power grid is reduced.
Description
Technical Field
The invention relates to the technical field of smart power grids, in particular to an automatic platform area topology identification system.
Background
In recent years, a great deal of energy, material resources and manpower are put into each power grid company in the aspect of smart power grid construction, the smart power grid construction is greatly improved, and the basic data of the smart power grid are utilized to carry out big data analysis to solve the practical problems of power grid safety, fault first-aid repair, line loss management and the like.
The current collection system of the smart power grid is utilized at the present stage, and the problems of power grid safety, fault emergency repair, line loss management, electricity stealing prevention and the like are solved through big data analysis, and the main problems are that although the metering terminal of the collection system constructed by the current smart power grid has rich functions of electrical parameter measurement, monitoring, communication and the like, the problem of safety fault points, line loss abnormal points and the like related to the faults of the line is low in troubleshooting efficiency due to lack of real-time accurate line topological relation, and the period is long and the cost is high.
The common practice in the prior art is to test the topological relation of the transformer area by a mobile tool or to provide the topological information stored during the construction of the transformer area by depending on the production department, and the prior art has the following disadvantages:
1) the defects existing in the topological relation of the station area are measured through the mobile equipment terminal: in the identification technology, the identification mode of the mobile equipment is point-to-point identification between two points on a power grid, and due to the wide range of a transformer area, heavy load of a line and the like, the condition that identification signals between partial points are weak or cannot be identified is possibly caused, and the topological relation can be judged by manual intervention; in addition, if all the verification is carried out, a large amount of manpower and material resources are needed for field general investigation, and then the background draws the pictures, so that various uncertain problems can be caused by human factors due to large manpower investment, and the line general investigation working effect implemented by a power grid company is not ideal.
2) The application of the mobile equipment is that after the station area is abnormal, the abnormal problem is solved by on-site detection. The passive solution brings about low working efficiency and difficulty in preventing safety problems in advance.
3) By acquiring topology information during the construction of the distribution room at the production department, the reliability of the topology relationship information cannot be guaranteed due to various load adjustments, registration errors and the like of the original files in general.
The topological relation of the low-voltage transformer area is a key part for treating the safety management problem and finely managing the transformer area, and is an indispensable link for more efficiently applying and acquiring system data. How to obtain real-time and accurate topological relation of low-voltage transformer areas becomes an important issue to be solved urgently at present.
Disclosure of Invention
The invention mainly aims to provide an automatic platform area topology identification system, and aims to solve the problems in the prior art.
In order to achieve the above object, an aspect of the embodiments of the present invention provides an automatic platform area topology identification system, where the system includes a master station, a concentrator, and one or more identification terminals;
the master station is used for periodically generating a platform area topology identification instruction according to a platform area topology identification strategy; acquiring the station area topological logic relationship information generated by the concentrator, and drawing and generating a station area topological graph according to the station area topological logic relationship information;
the concentrator is used for issuing an identification terminal control command according to a station area topology identification instruction generated by the master station regularly; acquiring an identification signal generated by the identification terminal, and generating station area topological logic relationship information according to the identification signal;
and the identification terminal is used for completing the sampling of signals on the power line according to an identification terminal control command issued by the concentrator, demodulating and operating the load carrier signals and generating identification signals.
Further, the platform area topology identification strategy is customized by the master station according to the actual production situation of the power grid.
Further, the master station comprises a correction module;
and the correction module is used for checking whether the power grid has line load adjustment and/or platform area cutting, and if so, correcting the topology logic relationship information of the platform area.
Further, the master station comprises a device model building module;
the device model establishing module is used for establishing a platform area device model library;
and the master station is further used for drawing and generating a platform area topological graph according to the platform area topological logic relationship information and the device models in the platform area device model library.
Further, the system includes a general packet radio service network module;
the master station acquires the station area topological logic relationship information generated by the concentrator through the general packet radio service network module;
and the concentrator acquires a station area topology identification instruction periodically generated by the master station through the general packet radio service network module.
Further, the system comprises a carrier communication module;
the concentrator acquires an identification signal generated by the identification terminal through the carrier communication module;
and the identification terminal acquires an identification terminal control command issued by the concentrator through the carrier communication module.
Furthermore, the identification terminal comprises a sampling module and a load carrier signal processing module;
the sampling module is used for completing the sampling of signals on the power line;
and the load carrier signal processing module is used for demodulating and operating the load carrier signal and generating an identification signal.
Further, the sampling module comprises a voltage sampling module and a current sampling module.
Further, the voltage sampling module comprises a voltage division network, a voltage sampling resistor and a voltage filter network.
Further, the current sampling module comprises a current sampling resistor and a current filter network.
According to the automatic identification system for the platform area topology, disclosed by the embodiment of the invention, through a plurality of identification terminals, on one hand, the accuracy of platform area topology identification can be ensured, and on the other hand, a platform area topological graph can be accurately obtained; the line condition can be regularly checked, and the manual investment of the operation, maintenance and maintenance work of the power grid is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an automatic identification system of a platform area topology according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a master station in the automatic identification system of the platform area topology according to the embodiment of the present invention;
fig. 3 is another schematic structural diagram of an automatic identification system of a platform area topology according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an identification terminal in the automatic identification system of the platform area topology according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a voltage sampling module in the automatic identification system of the platform area topology according to the embodiment of the present invention;
fig. 6 is a schematic structural diagram of a current sampling module in the automatic identification system of the platform area topology according to the embodiment of the present invention;
fig. 7 is a schematic diagram of a distribution room topology structure drawn by the distribution room topology automatic identification system according to the embodiment of the present invention.
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
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Implementation of various embodiments of the present invention will now be described with reference to the accompanying drawings. In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As shown in fig. 1, an embodiment of the present invention provides an automatic identification system for a distribution room topology, which includes a master station 10, a concentrator 11, and one or more identification terminals 12.
The plurality of identification terminals 12 have a positioning function, and on the other hand, the reliability of signal identification can be further improved, and the accuracy of topology can be further ensured.
The master station 10 is configured to periodically generate a station area topology identification instruction according to a station area topology identification policy; and acquiring the station area topological logic relationship information generated by the concentrator 11, and drawing and generating a station area topological graph according to the station area topological logic relationship information.
In the present embodiment, the platform topology identification strategy can be customized by the master station 10 according to the production actual situation of the power grid.
Referring to fig. 2, in the present embodiment, the master station 10 may include a modification module 101;
and the correction module 101 is configured to check whether the power grid has line load adjustment and/or platform area cutting, and if so, correct the platform area topology logical relationship information.
The primary station 10 may also include a device model building module 102. And the device model establishing module 102 is used for establishing a platform area device model library.
The transformer area device model library comprises, but is not limited to, a transformer model, a switch cabinet model, a transfer box model, an electric meter box model and the like, and a line model.
The master station 10 is further configured to generate a distribution room topological graph according to the distribution room topological logic relationship information and the device models in the distribution room device model library.
The concentrator 11 is used for issuing an identification terminal control command according to a station area topology identification instruction periodically generated by the master station 10; and acquiring an identification signal generated by the identification terminal 12, and generating the station area topological logic relationship information according to the identification signal.
Referring to fig. 3, in the present embodiment, the system may include a gprs network module 13;
the master station 10 acquires the station area topology logical relationship information generated by the concentrator 11 through the general packet radio service network module 13;
the concentrator 11 acquires the station topology identification command periodically generated by the master station 10 through the gprs network module 13.
That is, the master station 10 and the concentrator 11 perform data transmission through General Packet Radio Service (GPRS).
And the identification terminal 12 is configured to complete sampling of signals on the power line according to an identification terminal control command issued by the concentrator 11, perform load carrier signal demodulation and arithmetic processing, and generate an identification signal.
Referring to fig. 3, in the present embodiment, the system may include a carrier communication module 14;
the concentrator 11 acquires the identification signal generated by the identification terminal 12 through the carrier communication module 14;
the identification terminal 12 obtains the identification terminal control command issued by the concentrator 11 through the carrier communication module 14.
Referring to fig. 4 again, in the present embodiment, the identification terminal 12 includes a sampling module 121 and a load carrier signal processing module 122;
the sampling module 121 is configured to complete sampling of a signal on a power line;
and a load carrier signal processing module 122, configured to perform load carrier signal demodulation and arithmetic processing, and generate an identification signal.
The sampling module 121 includes a voltage sampling module and a current sampling module (not shown in the drawing).
As shown in fig. 5, in one embodiment, the voltage sampling module includes a voltage divider network, a voltage sampling resistor, and a voltage filter network. A voltage division network formed by a group of resistors (R67 to R82, R68 to R83 and the like) from R66 to R81 reduces the signal value of the three-phase voltage to a reasonable interval, the divided signal is sampled by voltage sampling resistors R104(R105 and R106), and then the signal is filtered by a first-order RC network formed by R96 and C81(R97 and C82, R98 and C83) and then can be connected to an ADC chip signal input end by an M1 magnetic bead element.
As shown in fig. 6, in one embodiment, the current sampling module includes a current sampling resistor and a current filter network. After the three-phase current signals are sampled by current sampling resistors R39(R40 and R41), filtering is completed through a first-order RC network formed by R42 and C17(R43 and C18, R44 and C19), and finally the three-phase current signals are connected to the signal input end of an ADC chip.
The ADC chip may employ a 16-bit six-channel synchronous sampling chip AD73360 from Analog Devices, Inc.
According to the automatic identification system for the platform area topology, disclosed by the embodiment of the invention, through a plurality of identification terminals, on one hand, the accuracy of platform area topology identification can be ensured, and on the other hand, a platform area topological graph can be accurately obtained; the line condition can be regularly checked, and the manual investment of the operation, maintenance and maintenance work of the power grid is reduced.
As an example, fig. 7 is a table area topology map generated by the table area topology automatic identification system according to the embodiment of the present invention. As shown in fig. 7, the topology map of the transformer area output by the main transformer area of the conruning garden 1 includes the name of the transformer branch, the meter box information, and the like, and is stored in the form of an electronic file.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. An automatic platform area topology identification system is characterized by comprising a main station, a concentrator and one or more identification terminals;
the master station is used for periodically generating a platform area topology identification instruction according to a platform area topology identification strategy; acquiring the station area topological logic relationship information generated by the concentrator, and drawing and generating a station area topological graph according to the station area topological logic relationship information; the platform area topology identification strategy is customized by the master station according to the actual production condition of the power grid;
the concentrator is used for issuing an identification terminal control command according to a station area topology identification instruction generated by the master station regularly; acquiring an identification signal generated by the identification terminal, and generating station area topological logic relationship information according to the identification signal;
and the identification terminal is used for completing the sampling of signals on the power line according to an identification terminal control command issued by the concentrator, demodulating and operating the load carrier signals and generating identification signals.
2. The automatic identification system of the topology of the distribution room of claim 1, wherein the master station comprises a modification module;
and the correction module is used for checking whether the power grid has line load adjustment and/or platform area cutting, and if so, correcting the topology logic relationship information of the platform area.
3. The system of claim 1, wherein the master station comprises a device model building module;
the device model establishing module is used for establishing a platform area device model library;
and the master station is further used for drawing and generating a platform area topological graph according to the platform area topological logic relationship information and the device models in the platform area device model library.
4. The automatic identification system of the topology of the platform area according to claim 1, wherein said system comprises a general packet radio service network module;
the master station acquires the station area topological logic relationship information generated by the concentrator through the general packet radio service network module;
and the concentrator acquires a station area topology identification instruction periodically generated by the master station through the general packet radio service network module.
5. The automatic identification system of the topology of the distribution room of claim 1, wherein said system comprises a carrier communication module;
the concentrator acquires an identification signal generated by the identification terminal through the carrier communication module;
and the identification terminal acquires an identification terminal control command issued by the concentrator through the carrier communication module.
6. The automatic identification system of the platform area topology according to claim 1, characterized in that, the identification terminal comprises a sampling module and a load carrier signal processing module;
the sampling module is used for completing the sampling of signals on the power line;
and the load carrier signal processing module is used for demodulating and operating the load carrier signal and generating an identification signal.
7. The automatic identification system of the platform district topology according to claim 6, wherein the sampling module comprises a voltage sampling module and a current sampling module.
8. The automatic identification system of the platform area topology according to claim 7, wherein the voltage sampling module comprises a voltage dividing network, a voltage sampling resistor and a voltage filtering network.
9. The automatic identification system of the platform area topology according to claim 7, wherein the current sampling module comprises a current sampling resistor and a current filter network.
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| CN108539854A (en) * | 2018-04-11 | 2018-09-14 | 广州丰元信息科技有限公司 | Electric network information management system |
| CN108828404B (en) * | 2018-05-09 | 2022-04-08 | 国网浙江省电力有限公司电力科学研究院 | Low-voltage distribution area electrical topology identification system and method for rapid fault location |
| CN109061541B (en) * | 2018-05-09 | 2022-04-12 | 浙江华云信息科技有限公司 | Low-voltage transformer area electrical topology identification system and working method thereof |
| CN109408603B (en) * | 2018-09-05 | 2021-09-07 | 国网山东省电力公司济南供电公司 | Big data-based method for drawing topological graph of transformer area |
| CN109193632B (en) * | 2018-09-26 | 2019-10-11 | 怀来斯达铭数据有限公司 | A kind of intelligent low-voltage platform area power circuit automated topology system |
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| CN109494715B (en) * | 2018-11-13 | 2021-02-05 | 国电南瑞南京控制***有限公司 | Dynamic identification system and method for low-voltage distribution station area electric network topology |
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| CN109617231A (en) * | 2018-12-13 | 2019-04-12 | 天津大学 | A kind of user network topology identification device and method for low-voltage platform area |
| CN109742856B (en) * | 2019-02-27 | 2022-06-28 | 国网新疆电力有限公司营销服务中心(资金集约中心、计量中心) | Method for generating network three-dimensional physical topological structure diagram of transformer area electric energy meter |
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| CN110221150B (en) * | 2019-07-01 | 2021-06-08 | 云南电力技术有限责任公司 | Automatic topological structure identification system |
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