CN112087056A - Method and device for identifying station area subscriber change relationship - Google Patents

Method and device for identifying station area subscriber change relationship Download PDF

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Publication number
CN112087056A
CN112087056A CN202010961369.4A CN202010961369A CN112087056A CN 112087056 A CN112087056 A CN 112087056A CN 202010961369 A CN202010961369 A CN 202010961369A CN 112087056 A CN112087056 A CN 112087056A
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station
voltage
sequence
area
value
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CN202010961369.4A
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CN112087056B (en
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张捷
黄友朋
赵闻
陈亮
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Measurement Center of Guangdong Power Grid Co Ltd
Metrology Center of Guangdong Power Grid Co Ltd
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Measurement Center of Guangdong Power Grid Co Ltd
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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
    • H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • 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
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The application discloses a method and a device for identifying station area subscriber variation relationship, wherein the method comprises the following steps: the method comprises the steps of carrying out carrier networking on a station of the station and a station of the station with crosstalk, setting network reference clocks of all nodes in a carrier network to be synchronous, then sending a fine adjustment instruction to analyze voltage, and analyzing the voltage acquired by each station in the carrier network to obtain an identification result of the station-to-station relationship. The characteristic of network reference clock has been utilized to this application, can be in the very short time to the data completion collection and the analysis of voltage fine setting, is showing and has shortened the time of platform district household change relation discernment, avoids being disturbed by access device to improve the accuracy of discernment, utilize carrier network as communication media simultaneously, need not to introduce extra signal and take place equipment, possess with low costs, the high advantage of security. The problem of prior art to the platform district family become the relation recognition accuracy low to the higher technique of cost is solved.

Description

Method and device for identifying station area subscriber change relationship
Technical Field
The present application relates to the field of power technologies, and in particular, to a method and an apparatus for identifying a station area household variation relationship.
Background
The power distribution area household variable relation is very important for a power marketing system, and is related to services such as distribution area line loss management and power utilization information acquisition after load cutover, and the distribution area household variable relation is continuously changed along with the rapid development of power grid construction, so that the method capable of accurately identifying the distribution area household variable relation is very significant to research.
The existing station area user variation relation identification method mainly comprises the following steps: the method for identifying by using the power frequency information of the transformer area and the method for identifying by actively injecting current/voltage disturbance. However, in the method for identifying by using the power frequency information of the transformer area, the power frequency information of the power grid is greatly interfered by the access of the electric equipment, so that the identification of the user variable relationship is inaccurate; the method of identifying by actively injecting current/voltage disturbance requires an additional signal generating device to generate a special current/voltage signal, resulting in a very high cost.
Disclosure of Invention
The embodiment of the application provides a method and a device for identifying a transformer area subscriber identity-change relationship, which are used for solving the technical problems of low accuracy and high cost of identification of the transformer area subscriber identity-change relationship in the prior art.
In view of this, a first aspect of the present application provides a method for identifying a station-to-station relationship, where the method includes:
s1, carrying out carrier networking on the station of the local station area and the station which has crosstalk to the local station area to obtain a carrier network, and setting network reference clock synchronization of all nodes of the carrier network;
s2, after adjusting the voltage in response to the voltage trimming instruction, obtaining a voltage value of each station of the carrier network in the voltage trimming time sequence, and obtaining a voltage characteristic information sequence of each station, where the voltage trimming instruction includes: the voltage fine tuning time sequence and the corresponding voltage adjusting value sequence;
s3, carrying out differential operation on the voltage characteristic information sequence of each station to obtain a voltage differential sequence of each station;
s4, subtracting the standard voltage differential sequence from each voltage differential sequence, and then performing absolute value calculation to obtain a voltage differential sequence of each station, wherein the standard voltage differential sequence is as follows: the difference value sequence of the voltage adjustment value sequence and a zero point;
s5, judging whether each voltage difference value in the voltage difference value sequence of the station is larger than a preset threshold value, if so, giving a value 1 to the voltage difference value, otherwise, giving a value-1 to the voltage difference value to obtain a temporary sequence of the station;
and S6, analyzing the temporary sequence of each station to obtain the identification result of the station area user variation relationship.
Optionally, the performing carrier networking on the station of the local area and the station that has interfered with the local area to obtain a carrier network specifically includes:
and closing a white list function of a central coordinator, so that after the station of the local station area is identified by the local station area, power line carrier networking is performed on the station of the local station area and the station of the local station area to which crosstalk occurs, and the carrier network is obtained.
Optionally, step S6 specifically includes:
and respectively judging whether the sum of the temporary sequences is greater than half of the number of the stations of the carrier network, if so, determining that the station corresponding to the temporary sequence is the station of the local area, otherwise, determining that the station corresponding to the temporary sequence is not the station of the local area, and obtaining an identification result of the station-to-station relationship.
Optionally, step S1 is followed by:
sending the voltage fine adjustment instruction to a concentrator and a transformer control end; or after the concentrator sets the fine adjustment instruction, the fine adjustment instruction is sent to the transformer control end.
Optionally, the preset threshold is greater than half of a voltage difference value of a station of the carrier network.
Optionally, step S6 is followed by: and sending the identification result to the central coordinator.
Optionally, step S6 is followed by: and storing the identification result in each station.
A second aspect of the present application provides an apparatus for identifying station-to-station relationship, where the apparatus includes:
the network configuration unit is used for carrying out carrier network configuration on the station of the local station area and the station which has interfered to the local station area to obtain a carrier network, and setting network reference clock synchronization of all nodes of the carrier network;
the adjusting unit is configured to obtain a voltage value of each station of the carrier network in a voltage fine-tuning time sequence after adjusting a voltage in response to a voltage fine-tuning instruction, and obtain a voltage characteristic information sequence of each station, where the voltage fine-tuning instruction includes: the voltage fine tuning time sequence and the corresponding voltage adjusting value sequence;
the first calculating unit is used for carrying out differential operation on the voltage characteristic information sequence of each station to obtain a voltage differential sequence of each station;
the second calculating unit is configured to perform subtraction operation on each voltage difference sequence and a standard voltage difference sequence, and then perform absolute value operation to obtain a voltage difference sequence of each station, where the standard voltage difference sequence is: the difference value sequence of the voltage adjustment value sequence and a zero point;
the assignment unit is used for judging whether each voltage difference value in the voltage difference value sequence of the station is larger than a preset threshold value or not, if so, a value 1 is assigned to the voltage difference value, otherwise, a value-1 is assigned to the voltage difference value, and a temporary sequence of the station is obtained;
and the identification unit is used for analyzing the temporary sequence of each station to obtain the identification result of the station area subscriber identity-change relationship.
Optionally, the networking unit is specifically configured to:
closing a white list function of a central coordinator, so that after the local station area identifies the station from the crosstalk to the local station area, power line carrier networking is performed on the station from the local station area and the station from the crosstalk to the local station area, and the carrier network is obtained; and setting network reference clock synchronization of all nodes of the carrier network.
Optionally, the identification unit is specifically configured to:
and respectively judging whether the sum of the temporary sequences is greater than half of the number of the stations of the carrier network, if so, determining that the station corresponding to the temporary sequence is the station of the local area, otherwise, determining that the station corresponding to the temporary sequence is not the station of the local area, and obtaining an identification result of the station-to-station relationship.
According to the technical scheme, the embodiment of the application has the following advantages:
the application provides a method for identifying station area user variation relationship, which comprises the following steps: s1, carrying out carrier networking on the station of the station area and the station of the station area subjected to crosstalk to obtain a carrier network, and setting network reference clock synchronization of all nodes of the carrier network; s2, after the voltage is adjusted in response to the voltage fine-tuning instruction, obtaining the voltage value of each station of the carrier network in the voltage fine-tuning time sequence, and obtaining the voltage characteristic information sequence of each station, wherein the voltage fine-tuning instruction comprises: a voltage fine tuning time sequence and a corresponding voltage adjusting value sequence; s3, carrying out differential operation on the voltage characteristic information sequence of each station to obtain a voltage differential sequence of each station; s4, subtracting the standard voltage differential sequence from each voltage differential sequence, and then performing absolute value calculation to obtain a voltage difference sequence of each station, wherein the standard voltage differential sequence is as follows: a difference value sequence of the voltage adjustment value sequence and a zero point; s5, judging whether each voltage difference value in the voltage difference value sequence of the station is larger than a preset threshold value, if so, giving a value 1 to the voltage difference value, otherwise, giving a value-1 to the voltage difference value to obtain a temporary sequence of the station; and S6, analyzing the temporary sequence of each station to obtain the identification result of the station area user variation relationship.
According to the identification method of the station-to-station relationship of the station area, carrier networking is conducted on the station of the station area and the station of the station area subjected to crosstalk, network reference clocks of all nodes in a carrier network are set to be synchronous, then a fine adjustment instruction is sent to analyze the voltage, and the identification result of the station-to-station relationship of the station area is obtained by analyzing the voltage obtained by each station in the carrier network. This application utilizes network reference clock's in the carrier network characteristic, can be in the very short time to the data completion collection and the analysis of voltage fine setting, is showing and has shortened the time that the transformer substation's family becomes the relation discernment, avoids being disturbed by access device to improve the accuracy of discernment, utilize the carrier network as communication media simultaneously, need not to introduce extra signal generation equipment, possess with low costs, the high advantage of security. The problem of prior art to the platform district family become the relation recognition accuracy low to the higher technique of cost is solved.
Drawings
Fig. 1 is a schematic flowchart of a first embodiment of a method for identifying station-area diversity relationships in an embodiment of the present application;
fig. 2 is a schematic flowchart of a second embodiment of a method for identifying station-area diversity relationships in an embodiment of the present application;
fig. 3 is a schematic structural diagram of an embodiment of a method for identifying station-area diversity relationships in an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For easy understanding, please refer to fig. 1, the present application provides a first embodiment of a method for identifying station-to-station diversity relation, including:
step 101, performing carrier networking on the station of the local area and the station which has interfered to the local area to obtain a carrier network, and setting network reference clock synchronization of all nodes of the carrier network.
It can be understood that each station area has a corresponding station white list, that is, each station has a determined station area to which the station belongs, but due to reasons such as power grid construction, the affiliation of the station is changed, so that the stations of adjacent station areas may actually become the stations of the station area, and therefore, the affiliation needs to be identified, that is, the customer-to-customer relationship needs to be identified, so as to update the customer-to-customer relationship.
Therefore, networking is required to be performed on the station of the local area and the station of the local area, so that the household variable relationship of the crosstalk station can be identified, the network reference time of all nodes of the carrier network after networking is set to be synchronous, a time scale is provided for the synchronization action of the whole network, and meanwhile, the characteristics of a network reference clock in the carrier network are utilized, so that the data of voltage fine tuning can be acquired and analyzed in a very short time, the identification time of the household variable relationship of the local area is obviously shortened, the interference of access equipment is avoided, and the identification accuracy is improved.
Step 102, after the voltage is adjusted in response to the voltage fine-tuning instruction, obtaining a voltage value of each station of the carrier network in the voltage fine-tuning time sequence, and obtaining a voltage characteristic information sequence of each station, wherein the voltage fine-tuning instruction comprises: a voltage trimming time sequence and a corresponding voltage adjustment value sequence.
It should be noted that the voltage fine tuning value needs to consider a power related regulation, and a value range is + 7% to-10%, and in this embodiment, values are +10V and-10V, and then a voltage adjustment value sequence is as follows: +10V, 0V, -10V.. 0, for a time interval of the voltage trimming time series of 30 seconds, it can be assumed that the voltage trimming time series is T1，T2，T3，……TnThe voltage trimming time sequence and the corresponding voltage adjustment value sequence are not limited herein, and those skilled in the art can set the voltage trimming time sequence and the corresponding voltage adjustment value sequence according to actual needs.
It can be understood that, according to the voltage trimming command, that is, the voltage value is adjusted every 30 seconds, the voltage value of each station is changed, and the voltage characteristic information sequence of each station is obtained by obtaining the voltage value of each station at each interval time point, that is, obtaining the voltage value of each station of the carrier network at the voltage trimming time sequence.
And 103, carrying out differential operation on the voltage characteristic information sequence of each station to obtain a voltage differential sequence of each station.
Suppose that the voltage characteristic information sequence of each station is VSTA_1，VSTA_2，VSTA_3，……VSTA_nThen, the voltage characteristic information sequence of each station is subjected to differential operation to obtain a voltage difference sequence VDelta_STA_1＝VSTA_2-VSTA_1，VDelta_STA_2＝VSTA_3-VSTA_2，VDelta_STA_3＝VSTA_4-VSTA_3，……VDelta_STA_n-1＝VSTA_n-VSTA_n-1。
Step 104, after subtracting the standard voltage differential sequence from each voltage differential sequence, performing absolute value calculation to obtain a voltage differential sequence of each station, where the standard voltage differential sequence is: and the difference value sequence of the voltage adjustment value sequence and the zero point.
It should be noted that, the standard voltage difference sequence is: the sequence of differences between the sequence of voltage adjustment values and the zero point may be assumed as: vDelta_CCO_1＝-10V，VDelta_CCO_2＝-10V，VDelta_CCO_3＝10V，VDelta_CCO_4＝10V……VDelta_CCO-nStandard differential sequence-10V.
Respectively carrying out subtraction operation on the voltage difference sequence and the standard voltage difference sequence, and carrying out absolute value operation, so that the obtained voltage difference sequence is VDelta_1＝abs(VDelta_CCO_1-VDelta_STA_1),VDelta_2＝abs(VDelta_CCO_2-VDelta_STA_2),VDelta_3＝abs(VDelta_CCO_3-VDelta_STA_3),……VDelta_n-1＝abs(VDelta_CCO_n-1-VDelta_STA_n-1Abs () in the formula represents an absolute value operation, that is, a sequence of voltage difference values of each station is obtained.
And 105, judging whether each voltage difference value in the voltage difference value sequence of the station is larger than a preset threshold value, if so, giving a value 1 to the voltage difference value, otherwise, giving a value-1 to the voltage difference value, and obtaining a temporary sequence of the station.
And if Thr is a preset threshold, respectively judging whether each voltage difference value in the voltage difference value sequence of the station is larger than the preset threshold, if so, giving a value 1 to the voltage difference value, otherwise, giving a value-1 to the voltage difference value, and obtaining a temporary sequence of the station.
And 106, analyzing the temporary sequence of each station to obtain the identification result of the station area user variation relationship.
By analyzing the temporary sequence, the identification result of the station area subscriber identity change relationship can be obtained.
In the embodiment of the application, a method for identifying a station-to-station relationship is provided, in which a station of a local station and a station of a local station subjected to crosstalk are subjected to carrier networking, network reference clocks of all nodes in a carrier network are set to be synchronous, then a fine tuning instruction is sent to analyze voltage, and the voltage acquired by each station in the carrier network is analyzed to obtain an identification result of the station-to-station relationship. This application utilizes network reference clock's in the carrier network characteristic, can be in the very short time to the data completion collection and the analysis of voltage fine setting, is showing and has shortened the time that the transformer substation's family becomes the relation discernment, avoids being disturbed by access device to improve the accuracy of discernment, utilize the carrier network as communication media simultaneously, need not to introduce extra signal generation equipment, possess with low costs, the high advantage of security. The problem of prior art to the platform district family become the relation recognition accuracy low to the higher technique of cost is solved.
The above is a first embodiment of a method for identifying a station-to-station relationship provided in the embodiment of the present application, and the following is a second embodiment of a method for identifying a station-to-station relationship provided in the embodiment of the present application.
Referring to fig. 2, the present application provides a first embodiment of a method for identifying station-to-station relationship, including:
step 201, the white list function of the central coordinator is closed, so that after the local area identifies the station where the crosstalk arrives, the station of the local area and the station where the crosstalk arrives are subjected to power line carrier networking to obtain a carrier network, and network reference clocks of all nodes of the carrier network are set to be synchronous.
It should be noted that, after the white list function of the central coordinator is turned off, the station corresponding to the local station area is also the white list station in the local station area, and the local station area also identifies the station corresponding to the local station area, so as to perform carrier networking.
Step 202, sending a voltage fine adjustment instruction to a concentrator and a transformer control end; or after the concentrator sets the fine adjustment instruction, the fine adjustment instruction is sent to the control end of the transformer.
It can be understood that, because the voltage needs to be trimmed, the voltage trimming command needs to be sent to the transformer control terminal, and this embodiment is set to two issuing modes, including: sending a voltage fine adjustment instruction to a concentrator and a transformer control end; or after the concentrator sets the fine tuning instruction, the fine tuning instruction is sent to the transformer control end, and a person skilled in the art can set the fine tuning instruction according to the actual situation, which is not limited herein.
Step 203, after the voltage is adjusted in response to the voltage fine-tuning instruction, obtaining a voltage value of each station of the carrier network in the voltage fine-tuning time sequence, and obtaining a voltage characteristic information sequence of each station, where the voltage fine-tuning instruction includes: a voltage trimming time sequence and a corresponding voltage adjustment value sequence.
Step 203 in this embodiment is the same as step 102 in the first embodiment, and is not described again here.
And step 204, performing differential operation on the voltage characteristic information sequence of each station to obtain a voltage differential sequence of each station.
Step 204 in this embodiment is the same as step 103 in the first embodiment, and is not described again here.
Step 205, after performing subtraction operation on each voltage difference sequence and the standard voltage difference sequence, performing absolute value operation to obtain a voltage difference sequence of each station, where the standard voltage difference sequence is: and the difference value sequence of the voltage adjustment value sequence and the zero point.
Step 205 in this embodiment is the same as step 104 in the first embodiment, and is not described again here.
And step 206, judging whether each voltage difference value in the voltage difference value sequence of the station is larger than a preset threshold value, if so, giving a value 1 to the voltage difference value, otherwise, giving a value-1 to the voltage difference value to obtain a temporary sequence of the station, wherein the preset threshold value is larger than a half of the voltage difference value of the station of the carrier network.
Step 206 in this embodiment is the same as that in step 105 in the first embodiment, and is not described herein again, it needs to be noted that, in order to improve the accuracy of the identification, the preset threshold is set as: greater than half the voltage difference of the stations of the carrier network.
And step 207, respectively judging whether the sum of each temporary sequence is greater than half of the number of the stations of the carrier network, if so, determining that the station corresponding to the temporary sequence is the station of the local area, otherwise, determining that the station corresponding to the temporary sequence is not the station of the local area, and obtaining the identification result of the station-to-station relationship.
It should be noted that half of the number of sites of the carrier network is the similarity specific decision threshold in this embodiment, and if the number of sites is greater than half of the number of sites of the network, it indicates that the similarity is higher, and the similarity is determined to be the same station area.
It can be understood that whether the station corresponding to the temporary sequence is the station of the local area can be known by respectively judging whether the sum of the temporary sequences is greater than half of the number of stations of the carrier network, so as to obtain the identification result of the station-to-station relationship.
And step 208, sending the identification result to the central coordinator.
After the recognition is completed, the recognition result may be transmitted to the central coordinator.
Step 209 stores the recognition result in each site.
In addition to sending the recognition result to the central coordinator, the recognition result may also be stored in each site, and a person skilled in the art may select the recognition result according to actual situations, which is not limited herein.
In the embodiment of the application, a method for identifying a station-to-station relationship is provided, in which a white list function of a central coordinator is closed, so that a station of a local station and a station which is in crosstalk to the local station can perform carrier networking, network reference clocks of all nodes in a carrier network are synchronized, then a fine tuning instruction is sent to analyze voltage, and whether a station corresponding to each temporary sequence belongs to the local station is obtained by comparing whether the sum of each temporary sequence is greater than the number of stations in the carrier network, so that an identification result of the station-to-station relationship is obtained. This application utilizes network reference clock's in the carrier network characteristic, can be in the very short time to the data completion collection and the analysis of voltage fine setting, is showing and has shortened the time that the transformer substation's family becomes the relation discernment, avoids being disturbed by access device to improve the accuracy of discernment, utilize the carrier network as communication media simultaneously, need not to introduce extra signal generation equipment, possess with low costs, the high advantage of security. The problem of prior art to the platform district family become the relation recognition accuracy low to the higher technique of cost is solved.
The second embodiment of the method for identifying a station-to-station relationship provided in the embodiment of the present application is as follows.
A networking unit 301, configured to perform carrier networking on a site in the local area and a site in the local area that is interfered with by crosstalk to obtain a carrier network, and set network reference clocks of all nodes of the carrier network to be synchronous;
an adjusting unit 302, configured to adjust a voltage in response to a voltage trimming instruction, and then obtain a voltage value of each station of the carrier network in a voltage trimming time sequence, to obtain a voltage characteristic information sequence of each station, where the voltage trimming instruction includes: a voltage fine tuning time sequence and a corresponding voltage adjusting value sequence;
the first calculating unit 303 is configured to perform differential operation on the voltage characteristic information sequence of each station to obtain a voltage differential sequence of each station;
the second calculating unit 304 is configured to perform subtraction operation on each voltage difference sequence and a standard voltage difference sequence, and then perform absolute value operation to obtain a voltage difference sequence of each station, where the standard voltage difference sequence is: a difference value sequence of the voltage adjustment value sequence and a zero point;
an assignment unit 305, configured to determine whether each voltage difference in the voltage difference sequence of the station is greater than a preset threshold, if so, assign a value 1 to the voltage difference, otherwise, assign a value-1 to the voltage difference, and obtain a temporary sequence of the station;
and the identifying unit 306 is configured to analyze the temporary sequence of each station to obtain an identifying result of the station-to-station relationship.
According to the identification device for the station-to-station variable relationship, carrier networking is conducted on the station of the station and the station which is in crosstalk to the station, network reference clocks of all nodes in a carrier network are set to be synchronous, then a fine adjustment instruction is sent to analyze the voltage, and the identification result of the station-to-station variable relationship is obtained by analyzing the voltage obtained by each station in the carrier network. This application utilizes network reference clock's in the carrier network characteristic, can be in the very short time to the data completion collection and the analysis of voltage fine setting, is showing and has shortened the time that the transformer substation's family becomes the relation discernment, avoids being disturbed by access device to improve the accuracy of discernment, utilize the carrier network as communication media simultaneously, need not to introduce extra signal generation equipment, possess with low costs, the high advantage of security. The problem of prior art to the platform district family become the relation recognition accuracy low to the higher technique of cost is solved.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The terms "first," "second," "third," "fourth," and the like in the description of the application and the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (10)

1. A method for identifying station area user variation relationship is characterized by comprising the following steps:
s1, carrying out carrier networking on the station of the local station area and the station which has crosstalk to the local station area to obtain a carrier network, and setting network reference clock synchronization of all nodes of the carrier network;
s2, after adjusting the voltage in response to the voltage trimming instruction, obtaining a voltage value of each station of the carrier network in the voltage trimming time sequence, and obtaining a voltage characteristic information sequence of each station, where the voltage trimming instruction includes: the voltage fine tuning time sequence and the corresponding voltage adjusting value sequence;
s3, carrying out differential operation on the voltage characteristic information sequence of each station to obtain a voltage differential sequence of each station;
s4, subtracting the standard voltage differential sequence from each voltage differential sequence, and then performing absolute value calculation to obtain a voltage differential sequence of each station, wherein the standard voltage differential sequence is as follows: the difference value sequence of the voltage adjustment value sequence and a zero point;
s5, judging whether each voltage difference value in the voltage difference value sequence of the station is larger than a preset threshold value, if so, giving a value 1 to the voltage difference value, otherwise, giving a value-1 to the voltage difference value to obtain a temporary sequence of the station;
and S6, analyzing the temporary sequence of each station to obtain the identification result of the station area user variation relationship.
2. The method for identifying a station-to-station relationship according to claim 1, wherein the performing carrier networking on the station of the local station and the station that has interfered with the local station to obtain a carrier network specifically comprises:
and closing a white list function of a central coordinator, so that after the station of the local station area is identified by the local station area, power line carrier networking is performed on the station of the local station area and the station of the local station area to which crosstalk occurs, and the carrier network is obtained.
3. The method for identifying station-area diversity relations of claim 1, wherein step S6 specifically includes:
and respectively judging whether the sum of the temporary sequences is greater than half of the number of the stations of the carrier network, if so, determining that the station corresponding to the temporary sequence is the station of the local area, otherwise, determining that the station corresponding to the temporary sequence is not the station of the local area, and obtaining an identification result of the station-to-station relationship.
4. The method for identifying station-area correlation according to claim 1, wherein step S1 is followed by further comprising:
sending the voltage fine adjustment instruction to a concentrator and a transformer control end; or after the concentrator sets the fine adjustment instruction, the fine adjustment instruction is sent to the transformer control end.
5. The method of claim 1, wherein the preset threshold is greater than half of a voltage difference between the stations of the carrier network.
6. The method for identifying station-area correlation according to claim 2, wherein step S6 is followed by further comprising: and sending the identification result to the central coordinator.
7. The method for identifying station-area correlation according to claim 1, wherein step S6 is followed by further comprising: and storing the identification result in each station.
8. An apparatus for recognizing station-to-station relationship, comprising:
the network configuration unit is used for carrying out carrier network configuration on the station of the local station area and the station which has interfered to the local station area to obtain a carrier network, and setting network reference clock synchronization of all nodes of the carrier network;
the adjusting unit is configured to obtain a voltage value of each station of the carrier network in a voltage fine-tuning time sequence after adjusting a voltage in response to a voltage fine-tuning instruction, and obtain a voltage characteristic information sequence of each station, where the voltage fine-tuning instruction includes: the voltage fine tuning time sequence and the corresponding voltage adjusting value sequence;
the first calculating unit is used for carrying out differential operation on the voltage characteristic information sequence of each station to obtain a voltage differential sequence of each station;
the second calculating unit is configured to perform subtraction operation on each voltage difference sequence and a standard voltage difference sequence, and then perform absolute value operation to obtain a voltage difference sequence of each station, where the standard voltage difference sequence is: the difference value sequence of the voltage adjustment value sequence and a zero point;
the assignment unit is used for judging whether each voltage difference value in the voltage difference value sequence of the station is larger than a preset threshold value or not, if so, a value 1 is assigned to the voltage difference value, otherwise, a value-1 is assigned to the voltage difference value, and a temporary sequence of the station is obtained;
and the identification unit is used for analyzing the temporary sequence of each station to obtain the identification result of the station area subscriber identity-change relationship.
9. The device for identifying station-area subscriber identity-change relationships according to claim 8, wherein the networking unit is specifically configured to:
closing a white list function of a central coordinator, so that after the local station area identifies the station from the crosstalk to the local station area, power line carrier networking is performed on the station from the local station area and the station from the crosstalk to the local station area, and the carrier network is obtained; and setting network reference clock synchronization of all nodes of the carrier network.
10. The device for identifying station-area correlation according to claim 8, wherein the identifying unit is specifically configured to:
and respectively judging whether the sum of the temporary sequences is greater than half of the number of the stations of the carrier network, if so, determining that the station corresponding to the temporary sequence is the station of the local area, otherwise, determining that the station corresponding to the temporary sequence is not the station of the local area, and obtaining an identification result of the station-to-station relationship.
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