CN115001142B - Method for determining topology of platform region and topology system of platform region - Google Patents
Method for determining topology of platform region and topology system of platform regionInfo
- Publication number
- CN115001142B CN115001142B CN202210712838.8A CN202210712838A CN115001142B CN 115001142 B CN115001142 B CN 115001142B CN 202210712838 A CN202210712838 A CN 202210712838A CN 115001142 B CN115001142 B CN 115001142B
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- Prior art keywords
- filter
- concentrator
- topology
- address
- master station
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H02J13/13—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Small-Scale Networks (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The application provides a method for determining a district topology and a district topology system, and relates to the technical field of power grids. The method for determining the topology of the platform region is applied to a master station of the topology system of the platform region, the topology system of the platform region further comprises multiple paths of topology loops, each path of topology loop comprises a filter, a concentrator and a plurality of power terminals, the filters are respectively and electrically connected with the master station and the concentrator, the concentrator is also electrically connected with the power terminals, the filters are firstly controlled to be disconnected, so that the power terminals send own address information to the concentrator connected with the filters, then the filters are controlled to be conducted unidirectionally, address packets sent by the concentrator are received, and the topology of the platform region is determined according to the address packets, wherein the address packets comprise the addresses of the concentrator and the addresses of the power terminals. The method for determining the topology of the platform area and the system for determining the topology of the platform area have the advantage of being capable of determining the topology of the platform area quickly.
Description
Technical Field
The application relates to the technical field of power grids, in particular to a method for determining a district topology and a district topology system.
Background
At present, the technology of identifying the area is mature, and then the area identification alone cannot completely meet the maintenance requirement, and the line problem cannot be immediately positioned.
For example, in some large-scale district topology systems, the concentrators include a plurality of concentrators, each concentrator is relatively complex due to the fact that a plurality of power terminals are connected, and staff cannot quickly position district topology relations in daily maintenance, so that line problems are difficult to position.
In summary, the prior art has the disadvantage that the line problem in the topological system of the area is difficult to locate.
Disclosure of Invention
The application aims to provide a method for determining a district topology and a district topology system, which are used for overcoming the defect that a line problem in the district topology system is difficult to locate in the prior art.
In order to achieve the above object, the technical scheme adopted by the embodiment of the application is as follows:
In one aspect, an embodiment of the present application provides a method for determining a topology of a platform, where the method is applied to a master station of a topology system of the platform, the topology system of the platform further includes multiple topology loops, each topology loop includes a filter, a concentrator, and multiple power terminals, the filters are respectively electrically connected to the master station and the concentrator, and the concentrator is further electrically connected to the multiple power terminals, and the method includes:
controlling the filter to be disconnected so that the plurality of power terminals send own address information to a concentrator connected with the power terminals;
And controlling the filter to be conducted in one direction so as to receive an address packet sent by the concentrator, and determining the topology of the station area according to the address packet, wherein the address packet comprises the address of the concentrator and the addresses of the plurality of power terminals.
Optionally, the step of controlling the filter to be disconnected includes:
control instructions are broadcast to render the filter bi-directionally non-conductive.
Optionally, the step of controlling the filter to be disconnected includes:
broadcasting a control instruction and controlling the appointed feature code of the filter to be data except all concentrator addresses, wherein the appointed feature code is a signal identifier capable of passing through the filter.
Optionally, the step of controlling the filter to be disconnected includes:
and controlling at most one filter to conduct bidirectionally, and controlling the rest filters to turn off.
Optionally, the step of controlling unidirectional conduction of the filter includes:
broadcasting a control instruction, controlling the filter to be conducted unidirectionally, and enabling the appointed feature code of the filter to be a concentrator address connected with the appointed feature code, wherein the appointed feature code is a signal identifier capable of passing through the filter.
Optionally, the step of controlling the filter to be disconnected includes:
Broadcasting a first control instruction to enable the filter to be turned off, and controlling the power terminal to send an address of the power terminal to a concentrator connected with the power terminal after T1 time;
After the step of controlling the filter to be turned off, the method further includes:
A second control instruction is broadcast after time T0 to cause the filter to turn off and the concentrator to store the received address.
Optionally, the step of controlling unidirectional conduction of the filter includes:
a third control instruction is broadcast after time T0 to cause the control of the filter to be turned on unidirectionally and the concentrator to send an address packet after time T2.
On the other hand, the embodiment of the application also provides a district topology system which comprises a master station and a plurality of topological loops, wherein each topological loop comprises a filter, a concentrator and a plurality of power terminals, the filter is respectively and electrically connected with the master station and the concentrator, the concentrator is also electrically connected with the plurality of power terminals,
When the master station controls the filter to be disconnected, the plurality of power terminals are used for sending own address information to the concentrator;
When the master station controls the filter to conduct unidirectionally, the concentrator is used for sending an address packet to the master station, wherein the address packet comprises the address of the concentrator and the addresses of the plurality of power terminals
The master station is used for determining the topology of the station area according to the address packet.
Optionally, the master station is further configured to control a specified feature code of the filter, where the specified feature code is identifiable by a signal of the filter.
Optionally, each filter includes an address, and the master station is further configured to control the on-off state of the filter according to the address of the filter in each topology loop.
Compared with the prior art, the application has the following beneficial effects:
the application provides a district topology determining method and a district topology system, wherein the district topology determining method is applied to a main station of the district topology system, the district topology system further comprises a plurality of topological loops, each topological loop comprises a filter, a concentrator and a plurality of electric terminals, the filters are respectively and electrically connected with the main station and the concentrator, the concentrator is further electrically connected with the plurality of electric terminals, the filters are firstly controlled to be disconnected so that the plurality of electric terminals send own address information to the concentrator connected with the filters, then the filters are controlled to be conducted unidirectionally so as to receive address packets sent by the concentrator, and the district topology is determined according to the address packets, wherein the address packets comprise the address of the concentrator and the address of the plurality of electric terminals. According to the application, the filter is added, and the master station can control the conduction direction of the filter, so that directional filtering is realized, each concentrator is ensured to only transmit the address of the power terminal connected with the concentrator to the master station, the condition of signal crosstalk is avoided, the master station can rapidly determine the topology of the station area, and then workers can rapidly position the line problem.
In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic block diagram of a prior art topology system.
Fig. 2 is a schematic block diagram of a topology system of a platform according to an embodiment of the present application.
Fig. 3 is an exemplary flowchart of a method for determining a topology of a cell according to an embodiment of the present application.
In the figure, a 100-station topological system, a 110-master station, a 120-topological loop, a 121-filter and a 122-concentrator are shown.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
As described in the background art, the prior art has a disadvantage that the line problem in the area topology system is difficult to locate. For example, referring to fig. 1, fig. 1 shows a schematic block diagram of a prior art topology system. The system comprises 3 concentrators, namely a concentrator 1, a concentrator 2 and a concentrator 3, wherein each concentrator is connected with four electric meters.
The topology of the transformer area in the application refers to which electric meters the concentrator 1 is connected with, which electric meters the concentrator 2 is connected with and which electric meters the concentrator 3 is connected with. As can be seen from fig. 1, the concentrator 1 can obtain the addresses of the electric meters 1 to 4, the concentrator 2 can obtain the addresses of the electric meters 5 to 8, and the concentrator 3 can obtain the addresses of the electric meters 9 to 12. However, since the concentrators are connected to each other and the concentrators are bidirectional devices, the concentrator 1 can not only receive the addresses of the electric meters 1 to 4, but also receive the data in the concentrator 2 and the concentrator 3, so that the addresses of the electric meters 1 to 12 can be actually obtained in the concentrator 1. Similarly, the concentrator 2 and the concentrator 3 can also acquire the addresses of the electric meters 1-12, and when the concentrator sends the addresses of the electric meters to the master station, the master station cannot determine the topological relation of the station area. For example, when the concentrator 1 transmits data to the master station, it is essentially the address of the transmitting meter 1 to 12, and when the concentrator 2 transmits data to the master station, it is also essentially the address of the transmitting meter 1 to 12, so that the master station still cannot distinguish which meters are connected to the concentrator 1 and which meters are connected to the concentrator 2. When a line problem occurs, line location is difficult.
In view of the above, in order to solve the above problems, an embodiment of the present application provides a method for determining a topology of a platform, which implements rapid positioning of a topology relationship of the platform by setting a filter for directional filtering.
The following describes an exemplary method for determining a topology of a station area according to the present application:
Referring to fig. 2, the method is applied to a master station 110 of a platform topology system 100, the platform topology system 100 further includes multiple topology loops 120, each topology loop 120 includes a filter 121, a concentrator 122, and a plurality of power terminals, the filter 121 is electrically connected to the master station 100 and the concentrator 122, and the concentrator 122 is electrically connected to the plurality of power terminals. The electric power terminal refers to an ammeter.
As an alternative implementation, referring to fig. 3, the method includes:
s102, the filter is controlled to be disconnected so that the plurality of power terminals can send the address information of the power terminals to the concentrator connected with the power terminals.
S104, controlling the filter to conduct unidirectionally so as to receive an address packet sent by the concentrator, and determining the topology of the station area according to the address packet, wherein the address packet comprises the address of the concentrator and the addresses of a plurality of power terminals.
It should be noted that, the filter provided by the present application is a directional filter, that is, the filter will filter out signals except for signals with specified feature codes, and only allow signals carrying the specified feature codes to pass through. For example, when the specific feature code of one of the filters is 000010, the signal carrying 000010 can pass through the filter, and if a certain signal does not carry 000010 at this time, the signal can be filtered by the filter and cannot pass through the filter.
Referring to fig. 2, when a topological relation of a district needs to be determined, a filter is controlled to be disconnected firstly, and then a concentrator is disconnected from a master station, wherein the concentrator can receive addresses of all electric meters, but cannot send the addresses of the electric meters to the master station. For example, the concentrator 1 can only receive the addresses transmitted by the electric meters 1 to 4 and store the addresses of the electric meters 1 to 4, but cannot transmit the addresses of the electric meters 1 to 4 to the master station.
Only when the master station controls the filter to switch from the off state to the one-way on state, the concentrator can send an address packet to the master station through the filter, and the address packet comprises the address of the concentrator and the addresses of the plurality of power terminals. In addition, since the filter is in a unidirectional conduction state at this time, signals can only be transmitted from the concentrators to the master station, but cannot be transmitted to each other between the concentrators. The reason is that:
The assigned feature code of each filter is the address of the concentrator to which it is connected, e.g. the assigned feature code of filter 1 is the address of concentrator 1, the assigned feature code of filter 2 is the address of concentrator 2, the assigned feature code of filter 3 is the address of concentrator 3, and the addresses of each concentrator are different. For example, concentrator 1 has an address of 000000000001, concentrator 2 has an address of 000000000011, and concentrator 3 has an address of 000000000111. In the data transmission process, the filter 1 allows the data of the concentrator 1 to pass, but for the data of the concentrator 2 and the concentrator 2, the data cannot pass due to different appointed feature codes, so that isolation between the concentrators is realized, and the signals are ensured not to generate crosstalk.
After the master station receives the address packet sent by the concentrator, the address packet can be analyzed, so that the addresses of the concentrator 1 and the electric meters 1-4 are determined to be one address packet, the addresses of the concentrator 2 and the electric meters 5-8 are determined to be one address packet, and the addresses of the concentrator 3 and the electric meters 9-12 are determined to be one address packet. And then can confirm that well ware 1 links to each other with ammeter 1~4, and concentrator 2 links to each other with ammeter 5~8, and concentrator 3 links to each other with ammeter 9~12, confirms topological structure relation fast, when the circuit problem appears, can fix a position fast to the circuit. For example, when the electricity meter 1 has a line fault, the master station can be quickly locked to the concentrator 1 connected with the electricity meter 1, and the fault is inevitably between the lines of the concentrator connected with the electricity meter 1, so that quick positioning of the line problem is realized.
As one implementation, the step of S102 includes:
control instructions are broadcast to render the filter bi-directionally non-conductive.
The master station directly sends an instruction to turn off the filter, and no matter what specific feature codes are carried by the signal, the signal is allowed to pass.
As another implementation, the step of S102 includes:
Broadcasting control instructions and controlling the appointed feature codes of the filter to be data except all concentrator addresses, wherein the appointed feature codes are signal identification capable of passing through the filter.
For example, if the address of the concentrator 1 is 000000000001, the address of the concentrator 2 is 000000000011, and the address of the concentrator 3 is 000000000111, then the specific feature code of the filters 1 to 3 is 100000000000, and the signals carrying the 100000000000 feature code are allowed to pass through the filters, but none of the signals cannot pass through the filters because the addresses of the concentrators do not correspond to the signals.
Of course, the filter may be controlled to be partially turned off, in addition to the manner in which the filter is controlled to be entirely turned off. As one implementation, the step of S102 includes:
and controlling at most one filter to conduct bidirectionally, and controlling the rest filters to turn off.
That is, in the control of the filters, the synchronization control may not be performed, and one of the filters may be allowed to transmit a signal to the master station. And because the other two filters are disconnected, the signal crosstalk between the concentrators can not occur, and the normal operation of the circuit is ensured. In this embodiment, the concentrators 1-3 may be controlled to transmit signals to the master station one by one.
As one implementation, the step of S104 includes:
Broadcasting a control instruction, controlling the filter to conduct unidirectionally, and enabling the appointed feature code of the filter to be a concentrator address connected with the appointed feature code, wherein the appointed feature code is a signal identifier capable of passing through the filter. By setting the appointed feature code as the concentrator address connected with the appointed feature code, the method ensures that signals can be sent to the master station only through the concentrator, the condition of mutual crosstalk between the concentrator and the concentrator can not occur, and the topological relation of the station area can be determined more rapidly.
Wherein, in the complete control logic, the step of S102 includes:
Broadcasting a first control instruction to enable the filter to be turned off, and controlling the power terminal to send an address of the power terminal to a concentrator connected with the power terminal after T1 time;
after the step of controlling the filter to be disconnected, the method further comprises:
a second control instruction is broadcast after time T0 to cause the filter to turn off and the concentrator to store the received address.
The step of S104 includes:
A third control command is broadcast after time T0 to make the control filter unidirectional and the concentrator sends an address packet after time T2.
The method comprises the steps of broadcasting a command 1 by a master station, broadcasting all electric meters in a broadcasting mode after T1, sending own address information by the master station, enabling the table address information to pass through a filter due to the principle of a directional filter, enabling all concentrators to only receive the electric meters of own station area, waiting for T0 time, broadcasting a command 2 by the master station, storing the command after the concentrators receive the electric meter address, broadcasting a command 3 by the master station after waiting for T0 time, enabling the concentrators to form a packet by adding the received table address and the own address to the master station after T2 time, and determining the topology of the station area, namely determining which electric meter is connected with which concentrator by the master station through the reported address. When the concentrator reports the received ammeter address and the address thereof to the master station to form an address packet, the address of the concentrator can be used as a wharf of the address packet, and then the address packet can smoothly pass through the filter.
Based on the implementation manner, the embodiment of the application further provides a platform region topology system, which comprises a main station and multiple paths of topology loops, wherein each path of topology loop comprises a filter, a concentrator and a plurality of power terminals, the filter is respectively and electrically connected with the main station and the concentrator, the concentrator is also electrically connected with the power terminals, when the main station controls the filter to be disconnected, the power terminals are used for sending address information of the concentrator, when the main station controls the filter to be conducted in one direction, the concentrator is used for sending address packets to the main station, the address packets comprise addresses of the concentrator and the power terminals, and the main station is used for determining the platform region topology according to the address packets.
Optionally, the master station is further configured to control a specified feature code of the filter, wherein the specified feature code is identifiable by a signal of the filter.
Optionally, each filter comprises an address, and the master station is further configured to control the on-off state of the filter according to the address of the filter in each topology loop. That is, when the on-off state of each filter is independently controlled, an independent control instruction can be sent, and the corresponding filter is controlled to execute.
The application provides a district topology determining method and a district topology system, wherein the district topology determining method is applied to a main station of the district topology system, the district topology system further comprises a plurality of topological loops, each topological loop comprises a filter, a concentrator and a plurality of electric terminals, the filters are respectively and electrically connected with the main station and the concentrator, the concentrator is further electrically connected with the plurality of electric terminals, the filters are firstly controlled to be disconnected so that the plurality of electric terminals send own address information to the concentrator connected with the filters, then the filters are controlled to be conducted unidirectionally so as to receive address packets sent by the concentrator, and the district topology is determined according to the address packets, wherein the address packets comprise the address of the concentrator and the address of the plurality of electric terminals. According to the application, the filter is added, and the master station can control the conduction direction of the filter, so that directional filtering is realized, each concentrator is ensured to only transmit the address of the power terminal connected with the concentrator to the master station, the condition of signal crosstalk is avoided, the master station can rapidly determine the topology of the station area, and then workers can rapidly position the line problem.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
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| CN202210712838.8A CN115001142B (en) | 2022-06-22 | 2022-06-22 | Method for determining topology of platform region and topology system of platform region |
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| CN102474306A (en) * | 2010-04-12 | 2012-05-23 | 松下电器产业株式会社 | Control device, communication terminal, control method, communication control method, and integrated circuit |
| CN109617231A (en) * | 2018-12-13 | 2019-04-12 | 天津大学 | A user network topology identification device and method for low-voltage station area |
| CN114552584A (en) * | 2022-01-14 | 2022-05-27 | 珠海多创科技有限公司 | Low-voltage power grid distribution area topology identification system and identification method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10097240B2 (en) * | 2013-02-19 | 2018-10-09 | Astrolink International, Llc | System and method for inferring schematic and topological properties of an electrical distribution grid |
| CN111614164B (en) * | 2020-06-02 | 2021-08-13 | 范伟 | Low-voltage distribution station topology identification method |
| CN113097966B (en) * | 2021-04-07 | 2024-08-27 | 国网浙江省电力有限公司营销服务中心 | A method and system for identifying low-voltage area topology based on circuit breaker |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102474306A (en) * | 2010-04-12 | 2012-05-23 | 松下电器产业株式会社 | Control device, communication terminal, control method, communication control method, and integrated circuit |
| CN109617231A (en) * | 2018-12-13 | 2019-04-12 | 天津大学 | A user network topology identification device and method for low-voltage station area |
| CN114552584A (en) * | 2022-01-14 | 2022-05-27 | 珠海多创科技有限公司 | Low-voltage power grid distribution area topology identification system and identification method |
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