CN113517688A - Low-voltage distribution area topology identification method and computer medium - Google Patents
Low-voltage distribution area topology identification method and computer medium Download PDFInfo
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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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
- H02J13/00001—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 characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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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
- H02J13/00002—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 characterised by monitoring
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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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
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Abstract
The invention discloses a low-voltage distribution area topology identification method and a computer medium, and belongs to the technical field of low-voltage distribution area topology identification. The invention relates to a low-voltage transformer area topology identification method based on energy controller communality, which is characterized in that a topology structure is sorted for a transformer area, and a master station sends a topology identification starting instruction to a corresponding energy controller communality; after the corresponding energy source controller common transformer receives the instruction for starting topology identification, the energy source controller common transformer performs topology identification on the equipment to be identified, and returns a topology result to the master station according to a protocol format; and the master station draws a topological structure diagram of the platform area through combing. The invention utilizes the characteristic micro-current signal switching technology to carry out topology identification, can accurately comb the topological structure of the transformer area through the common transformer of the energy controller under the conditions of not reforming field lines and not manually interfering, and can effectively solve the problems of low efficiency, inaccuracy and the like of the existing topology identification.
Description
Technical Field
The invention relates to a low-voltage distribution area topology identification method and a computer medium, and belongs to the technical field of low-voltage distribution area topology identification.
Background
The clear topological structure in the platform area is the premise of realizing the intelligent treatment of the low-voltage platform area, but the existing platform area often has the condition that the relation of the user variation is unclear, if the platform area needs to be manually checked, a large amount of manpower and material resources are consumed, the phenomenon that the platform area cannot be combed or the result of the combing is wrong due to human reasons or geographic reasons often exists, the topological structure cannot be recorded and changed in time when being changed, and the efficiency is low.
At present, the existing topology combing method based on energy control common change mainly comprises a topology method based on a 485 bus or a topology method based on an Ethernet network, the topology method needs to arrange a large number of field lines, and along with the continuous extension of the lines, because signals are attenuated continuously, the topology result combing cannot be realized accurately, the phenomenon of branch error identification or missing identification exists, and the accuracy rate is lower under the condition of station area crosstalk.
Further, chinese patent (CN110932396A) discloses a low-voltage distribution network topology identification system based on pulse characteristic current signals, wherein a bus current centralized controller is installed on a low-voltage incoming line switch layer; the low-voltage outlet switch layer is provided with a plurality of branch current detectors, the branch switch layer is provided with a plurality of branch current detectors, the user switch layer of the metering box is provided with a plurality of branch current detectors, and the tail end of a user is provided with a pulse characteristic current generator; on the basis of not changing the original circuit, the bus current integrated controller is installed at the master switch, and the branch current detectors and the pulse characteristic current generators are respectively installed at the tail ends of all the branches and the power distribution network users, so that the low-voltage power distribution network topological structure is obtained, the change of the power distribution network topological structure can be monitored in real time on line, the real-time monitoring and reporting of the low-voltage power distribution network topological structure are realized, and the improvement of the power supply reliability and the power grid operation and maintenance management level is facilitated.
However, the above scheme does not disclose a specific topology identification method, which results in that the topology identification of the low-voltage distribution room cannot be realized, the topological structure of the distribution room cannot be accurately carded, and the problems of low efficiency, inaccuracy and the like of the existing topology identification cannot be effectively solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a method for carrying out topology identification by utilizing a characteristic micro-current signal switching technology: the master station issues a topology identification starting instruction to the corresponding energy source controller common transformer; after receiving a topology identification starting command, the corresponding energy controller controls the equipment to be identified to send a characteristic micro-current signal according to the time specified by the command; the energy controller performs topology identification on the equipment to be identified and replies a topology result to the master station according to a protocol format; the master station draws a platform area topology structure chart through combing; the topological structure of the transformer area is accurately combed through the common energy controller, and the low-voltage transformer area topological identification method and the computer medium can effectively solve the problems of low efficiency, inaccuracy and the like of the conventional topological identification.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a low-voltage transformer area topology identification method based on energy controller communality is characterized in that a transformer area is subjected to topology structure combing, and a master station sends a topology identification starting instruction to a corresponding energy controller communality; after the corresponding energy source controller common transformer receives the instruction for starting topology identification, the energy source controller common transformer performs topology identification on the equipment to be identified, and returns a topology result to the master station according to a protocol format; the master station draws a platform area topology structure chart through combing;
which comprises the following steps:
firstly, issuing a topology identification starting instruction through a master station;
secondly, after the energy controller public transformer receives a master station starting topology identification instruction, starting a topology module;
the topology module carries out query management on the archives of the equipment to be identified,
thirdly, the energy controller commonly sends a characteristic micro-current signal sending instruction to the equipment to be identified according to the equipment to be identified file in the second step;
fourthly, the equipment to be identified sends a characteristic micro-current signal according to the time specified by the instruction;
and fifthly, the energy controller performs the combing of the platform topological structure according to the received characteristic micro-current signals and the timestamp.
The invention utilizes the characteristic micro-current signal switching technology to identify topology through continuous exploration and test: the master station issues a topology identification starting instruction to the corresponding energy source controller common transformer; after receiving a topology identification starting command, the corresponding energy controller controls the equipment to be identified to send a characteristic micro-current signal according to the time specified by the command; the energy controller performs topology identification on the equipment to be identified and replies a topology result to the master station according to a protocol format; and the master station draws a topological structure diagram of the platform area through combing.
Furthermore, the invention can accurately comb the topological structure of the transformer area through the common energy controller without modifying the field line and without manual intervention, and can effectively solve the problems of low efficiency, inaccuracy and the like of the prior topological recognition.
As a preferable technical measure:
in the first step, the starting topology identification instruction comprises a topology structure combing starting time T and a characteristic current sending time interval X.
As a preferable technical measure:
and secondly, the file query management of the equipment to be identified specifically comprises the following steps:
and 3, the topology module issues a broadcast timing command to all the devices in the local area, so that the clock error between the devices is within 5 seconds.
As a preferable technical measure:
in the third step, the issuing of the characteristic micro-current signal sending command comprises the following steps:
the energy controller starts combing the starting time T and the characteristic current sending time interval X according to the received topological structure, the characteristic micro-current signal sending time T1 is set for each equipment to be identified in sequence by combining the equipment files to be identified screened in the second step, and the ending time T2 is calculated; then, the equipment identification number is in one-to-one correspondence with the set time t1 and the end time t2, and the equipment identification number and the set time t1 and the end time t2 are recorded in the public variable memory of the energy controller;
t2 ═ t1+ X.
As a preferable technical measure:
in the fifth step, the combing of the platform zone topological structure specifically comprises the following steps:
and 3, after the device to be identified receives the command for reading the characteristic current identification record, replying relevant information including the self device identification number and identifying the time stamp t of the characteristic micro-current signal.
and 6, the energy controller performs public change traversal reading on the characteristic current identification record of the equipment to be identified, and then the obtained results are sorted and summarized.
As a preferable technical measure:
the principle of sorting and summarizing the results is as follows:
(1) deleting the self identification signal; (2) calculating the number of each device recognized by other devices, and if the number is 0, judging that the device is a topology failure device; if the number of the identified nodes is 1, the father node of the device is a common energy controller, and the device is set as a primary device; and if the number of the identified devices is more than 1, combing the topological relation of the adjacent levels from top to bottom according to the levels, and traversing all the devices until the topological structure combing is completed.
As a preferable technical measure:
also includes; sixthly, judging whether topology structure combing needs to be carried out again on the equipment with failed recognition
If the seventh step is needed, if not, the eighth step is carried out;
the seventh step, the energy controller issues an instruction for immediately sending a characteristic micro-current signal to the equipment with failed identification;
and the eighth step, ending.
As a preferable technical measure:
and the seventh step of immediately sending down a characteristic micro-current signal instruction, which specifically comprises the following steps:
step 1: the energy controller common transformer statistics topology identification failure equipment prepares for next round of topology identification aiming at the failure equipment;
if no failed equipment exists or next round of topology identification is not needed, the execution of the platform area topology identification function is finished;
if the next round of topology identification is needed, immediately sending a mode identification by starting to execute the equipment characteristic micro-current signal;
step 2: the energy controller public transformer issues a characteristic micro-current signal command to a failed device every other interval period X until all failed devices are traversed, and one-to-one correspondence is carried out between time t1 and end time t2 when the characteristic micro-current signal command is issued and immediately sent and a failed device identification number, and the information is recorded in an energy controller public transformer memory;
and step 3: and after receiving the command of immediately sending the characteristic micro-current signal, the failure equipment immediately sends the characteristic micro-current signal.
As a preferable technical measure:
the equipment to be identified comprises a low-voltage branch monitoring unit and an intelligent circuit breaker;
the energy controller public transformer, the low-voltage branch monitoring unit, the intelligent circuit breaker and the electric meter are provided with unique equipment identification numbers, the same equipment is provided with the same equipment type number, the equipment identification numbers of different equipment types are different, and the energy controller public transformer, the low-voltage branch monitoring unit and the intelligent circuit breaker are provided with memory spaces so as to realize a data storage function and perform read-write operation.
As a preferable technical measure:
a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements a low-voltage station topology identification method based on energy controller commons as described above.
Compared with the prior art, the invention has the following beneficial effects:
the invention utilizes the characteristic micro-current signal switching technology to identify topology through continuous exploration and test: the master station issues a topology identification starting instruction to the corresponding energy source controller common transformer; after receiving a topology identification starting command, the corresponding energy controller controls the equipment to be identified to send a characteristic micro-current signal according to the time specified by the command; the energy controller performs topology identification on the equipment to be identified and replies a topology result to the master station according to a protocol format; and the master station draws a topological structure diagram of the platform area through combing.
Furthermore, the invention can accurately comb the topological structure of the transformer area through the common energy controller without modifying the field line and without manual intervention, and can effectively solve the problems of low efficiency, inaccuracy and the like of the prior topological recognition.
Drawings
FIG. 1 is a flow chart of a low-voltage distribution area topology identification method of the present invention;
fig. 2 is a schematic view of a low-voltage distribution area topology according to the present invention.
Description of reference numerals:
the device identification method comprises the steps of obtaining a power controller common variable ZD, a device to be identified LTU1, a device to be identified LTU2, a device to be identified LTU3, a meter M1, a meter M2, a meter M3 and a meter M4, wherein the power controller common variable ZD is 0, the device to be identified LTU1 is 1, the device to be identified LTU2 is 3, the device to be identified LTU3 is 4, the meter M1 is 5, the meter M2 is 6, the meter M3 is 7, and the meter M4 is 7, wherein except that the meter M4 port is 485 port, other ports are carrier ports.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.
A low-voltage transformer area topology identification method based on energy controller communality is characterized in that a transformer area is subjected to topology structure combing, and a master station sends a topology identification starting instruction to a corresponding energy controller communality; after the corresponding energy source controller common transformer receives the instruction for starting topology identification, the energy source controller common transformer performs topology identification on the equipment to be identified, and returns a topology result to the master station according to a protocol format; the master station draws a platform area topology structure chart through combing;
which comprises the following steps:
firstly, issuing a topology identification starting instruction through a master station;
secondly, after the energy controller public transformer receives a master station starting topology identification instruction, starting a topology module;
the topology module carries out query management on the archives of the equipment to be identified,
thirdly, the energy controller commonly sends a characteristic micro-current signal sending instruction to the equipment to be identified according to the equipment to be identified file in the second step;
fourthly, the equipment to be identified sends a characteristic micro-current signal according to the time specified by the instruction;
and fifthly, the energy controller performs the combing of the platform topological structure according to the received characteristic micro-current signals and the timestamp.
The invention utilizes the characteristic micro-current signal switching technology to identify topology through continuous exploration and test: the master station issues a topology identification starting instruction to the corresponding energy source controller common transformer; after receiving a topology identification starting command, the corresponding energy controller controls the equipment to be identified to send a characteristic micro-current signal according to the time specified by the command; the energy controller performs topology identification on the equipment to be identified and replies a topology result to the master station according to a protocol format; and the master station draws a topological structure diagram of the platform area through combing.
Furthermore, the invention can accurately comb the topological structure of the transformer area through the common energy controller without modifying the field line and without manual intervention, and can effectively solve the problems of low efficiency, inaccuracy and the like of the prior topological recognition.
As shown in fig. 1-2, a preferred embodiment of the topology identification method of the present invention:
a low-voltage transformer area topology identification method based on energy controller public transformation specifically comprises the following steps:
and 2, the energy controller public transformer receives a master station starting topology identification instruction, the topology module is started, and the low-voltage distribution area topology structure carding under the characteristic current timing sending mode is prepared to be executed.
And 3, the topology module subscribes all archive information in the distribution area to the data center module, wherein the archive information comprises an equipment identification number, equipment type information and port type information.
and 6, the energy controller public transformer starts to sort the starting time T and the characteristic current sending time interval X according to the received topological structure, the platform region files are screened out in combination with the step 4, the characteristic current signal sending time T1 is set for each required device in sequence, the ending time T2 is calculated (T2 is T1+ X), and then the device identification number, the set time and the ending time T2 are in one-to-one correspondence and recorded in the energy controller public transformer memory. The characteristic current transmission time of each device is set as shown in the following table:
| equipment recognition | At the beginning | At the end of |
| 1 | 0:00:00 | 0:00:40 |
| 2 | 0:00:40 | 0:01:20 |
| 3 | 0:02:00 | 0:02:40 |
| 4 | 0:02:40 | 0:03:20 |
| 5 | 0:03:00 | 0:03:40 |
| 6 | 0:03:40 | 0:04:20 |
step 9, the energy controller is used for distinguishing whether the equipment is to be identified according to the equipment type, and issuing a characteristic current identification record reading instruction to the equipment to be identified in sequence;
and step 10, after the device to be identified receives the command for reading the characteristic current identification record, replying relevant information including the self device identification number and identifying the time stamp t of the characteristic current signal.
Step 11, the energy controller public transformer stores the replied equipment identification number, the time stamp of the identified characteristic current signal and the signal intensity of the identified characteristic current signal in a memory space;
step 12, the energy controller compares the identified characteristic current signal time t with the set characteristic current signal transmission start time t1 and the set characteristic current signal transmission end time t2, when the identified characteristic current signal time t is between the characteristic current signal transmission start time t1 and the characteristic current signal transmission end time t2, the signal is transmitted by the equipment corresponding to the characteristic current signal transmission start time and the characteristic current signal transmission end time, namely the equipment to be identified which replies the data information identifies the equipment which transmits the characteristic current signal, and the equipment which transmits the characteristic current signal is shown to be mounted under the equipment to be identified; if the time t,0:03:40< t <0:04:20 is obtained when the identification record of the device to be identified LTU3 is read, the identification signal at t is sent by the ammeter M3, the M3 is hung under the LTU3, and the like.
Step 13, after traversing and reading the characteristic current identification record of the equipment to be identified, the energy controller sorts and summarizes the obtained result, and the principle is 1) deleting the self identification signal; (2) calculating the number of each device recognized by other devices, and if the number is 0, judging that the device is a topology failure device; if the number of the identified nodes is 1, the father node of the device is a common energy controller, and the device is set as a primary device; and if the number of the identified devices is more than 1, combing the topological relation of the adjacent levels from top to bottom according to the levels, and traversing all the devices until the topological structure combing is completed.
Step 14: and the energy controller common variable statistics topology identification failure equipment prepares to perform the next round of topology identification aiming at the failure equipment. And if no failed equipment exists or next round of topology identification is not needed, the execution of the platform area topology identification function is finished. And if the next round of topology identification is required, immediately sending a pattern identification by starting to execute the equipment characteristic current signal.
Step 15: the energy controller public transformer issues a characteristic current signal command to a failed device every other interval period X until all failed devices are traversed, and one-to-one correspondence is carried out between time t1 and end time t2 when the characteristic current signal command is issued and immediately sent and a failed device identification number, and the correspondence is recorded in an energy controller public transformer memory;
step 16: after receiving the command of immediately sending the characteristic current signal, the failure equipment immediately sends the characteristic current signal;
and step 17: and repeating the steps 8 to 14.
An embodiment of a computer medium to which the method of the invention is applied:
a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements a method for low-voltage station topology identification based on energy controller commonality as described above.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A low-voltage transformer area topology identification method based on energy controller public transformation is characterized in that,
the method comprises the steps that topological structure combing is conducted on a transformer area, and a master station issues a starting topological identification instruction to a corresponding energy controller common transformer; after the corresponding energy source controller common transformer receives the instruction for starting topology identification, the energy source controller common transformer performs topology identification on the equipment to be identified, and returns a topology result to the master station according to a protocol format; the master station draws a platform area topology structure chart through combing;
which comprises the following steps:
firstly, issuing a topology identification starting instruction through a master station;
secondly, after the energy controller public transformer receives a master station starting topology identification instruction, starting a topology module;
the topology module carries out query management on the archives of the equipment to be identified,
thirdly, the energy controller commonly sends a characteristic micro-current signal sending instruction to the equipment to be identified according to the equipment to be identified file in the second step;
fourthly, the equipment to be identified sends a characteristic micro-current signal according to the time specified by the instruction;
and fifthly, the energy controller performs the combing of the platform topological structure according to the received characteristic micro-current signals and the timestamp.
2. The method for identifying the topology of the low-voltage transformer area based on the power controller utility according to claim 1,
in the first step, the starting topology identification instruction comprises a topology structure combing starting time T and a characteristic current sending time interval X.
3. The method for identifying the topology of the low-voltage transformer area based on the power controller utility according to claim 2,
and secondly, the file query management of the equipment to be identified specifically comprises the following steps:
step 1, the topology module subscribes all archive information in the distribution area to the data center module, wherein the archive information comprises an equipment identification number, equipment type information and port type information.
Step 2, the topology module sorts all file information in the distribution area, screens out equipment with port type as carrier wave, and combs the topology structure;
and 3, the topology module issues a broadcast timing command to all the devices in the local area, so that the clock error between the devices is within 5 seconds.
4. The method for identifying the topology of the low-voltage transformer area based on the power controller utility according to claim 3,
in the third step, the issuing of the characteristic micro-current signal sending command comprises the following steps:
the energy controller starts combing the starting time T and the characteristic current sending time interval X according to the received topological structure, the characteristic micro-current signal sending time T1 is set for each equipment to be identified in sequence by combining the equipment files to be identified screened in the second step, and the ending time T2 is calculated; then, the equipment identification number is in one-to-one correspondence with the set time t1 and the end time t2, and the equipment identification number and the set time t1 and the end time t2 are recorded in the public variable memory of the energy controller;
t2 ═ t1+ X.
5. The method for identifying the topology of the low-voltage transformer area based on the power controller utility according to claim 1,
in the fifth step, the combing of the platform zone topological structure specifically comprises the following steps:
step 1, the energy controller waits for the transmission of all the characteristic micro-current signals of the equipment to be identified;
step 2, the energy controller is used for distinguishing whether the equipment is to be identified according to the equipment type, and issuing a characteristic current identification record reading instruction to the equipment to be identified in sequence;
and 3, after the device to be identified receives the command for reading the characteristic current identification record, replying relevant information including the self device identification number and identifying the time stamp t of the characteristic micro-current signal.
Step 4, the energy controller public transformer stores the replied equipment identification number, the time stamp of the identified characteristic micro-current signal and the signal intensity of the identified characteristic micro-current signal in a memory space;
step 5, the energy controller compares the recognized characteristic micro-current signal time t with the set characteristic micro-current signal sending start time t1 and the set characteristic micro-current signal sending end time t2, when the recognized characteristic micro-current signal time t is between the characteristic micro-current signal sending start time t1 and the characteristic micro-current signal sending end time t2, the signal is sent by the equipment corresponding to the characteristic micro-current signal sending start time and the characteristic micro-current signal sending end time, namely the equipment to be recognized which replies the data information identifies the equipment which sends the characteristic micro-current signal, and the equipment which sends the characteristic micro-current signal is shown to be carried under the equipment to be recognized;
and 6, the energy controller performs public change traversal reading on the characteristic current identification record of the equipment to be identified, and then the obtained results are sorted and summarized.
6. The method for identifying the topology of the low-voltage transformer area based on the power controller utility according to claim 5,
the principle of sorting and summarizing the results is as follows:
(1) deleting the self identification signal; (2) calculating the number of each device recognized by other devices, and if the number is 0, judging that the device is a topology failure device; if the number of the identified nodes is 1, the father node of the device is a common energy controller, and the device is set as a primary device; and if the number of the identified devices is more than 1, combing the topological relation of the adjacent levels from top to bottom according to the levels, and traversing all the devices until the topological structure combing is completed.
7. A low-voltage platform topology identification method based on energy controller utility according to any of claims 1-6,
also includes; sixthly, judging whether topology structure combing needs to be carried out again on the equipment with failed recognition
If the seventh step is needed, if not, the eighth step is carried out;
the seventh step, the energy controller issues an instruction for immediately sending a characteristic micro-current signal to the equipment with failed identification;
and the eighth step, ending.
8. The method for identifying the topology of the low-voltage transformer area based on the power controller utility as claimed in claim 7,
and the seventh step of immediately sending down a characteristic micro-current signal instruction, which specifically comprises the following steps:
step 1: the energy controller common transformer statistics topology identification failure equipment prepares for next round of topology identification aiming at the failure equipment;
if no failed equipment exists or next round of topology identification is not needed, the execution of the platform area topology identification function is finished;
if the next round of topology identification is needed, immediately sending a mode identification by starting to execute the equipment characteristic micro-current signal;
step 2: the energy controller public transformer issues a characteristic micro-current signal command to a failed device every other interval period X until all failed devices are traversed, and one-to-one correspondence is carried out between time t1 and end time t2 when the characteristic micro-current signal command is issued and immediately sent and a failed device identification number, and the information is recorded in an energy controller public transformer memory;
and step 3: and after receiving the command of immediately sending the characteristic micro-current signal, the failure equipment immediately sends the characteristic micro-current signal.
9. The method for identifying the topology of the low-voltage transformer area based on the power controller utility as claimed in claim 8,
the equipment to be identified comprises an energy controller public transformer, a low-voltage branch monitoring unit and an intelligent circuit breaker;
the energy controller public transformer, the low-voltage branch monitoring unit, the intelligent circuit breaker and the electric meter are provided with unique equipment identification numbers, the same equipment is provided with the same equipment type number, the equipment identification numbers of different equipment types are different, and the energy controller public transformer, the low-voltage branch monitoring unit and the intelligent circuit breaker are provided with memory spaces so as to realize a data storage function and perform read-write operation.
10. A computer-readable storage medium, characterized in that,
stored thereon a computer program which, when executed by a processor, implements a method for low-voltage station topology identification based on energy controller commonality as claimed in any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110589573.2A CN113517688B (en) | 2021-05-28 | 2021-05-28 | Low-voltage area topology identification method and computer medium |
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| CN115842342A (en) * | 2022-12-30 | 2023-03-24 | 北京飞利信信息安全技术有限公司 | Topology identification method and device for distributed power distribution network |
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