CN112950172A - Method for identifying topology of transformer area - Google Patents
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- CN112950172A CN112950172A CN202110342734.8A CN202110342734A CN112950172A CN 112950172 A CN112950172 A CN 112950172A CN 202110342734 A CN202110342734 A CN 202110342734A CN 112950172 A CN112950172 A CN 112950172A
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a distribution area topology identification method, which belongs to the field of power consumption data acquisition and comprises the following specific steps: (1) the time the device freezes the data; (2) the concentrator collects the equipment data of the transformer area; (3) sending a data freezing command to all equipment in the transformer area; (4) starting the frozen data time countdown; (5) the concentrator collects the data of the freezing time period devices; (6) data comparison; (7) accumulating the electric quantity values and comparing the electric quantity values with the electric quantity value of the upper-level node; (8) judging a topological level relation; (9) counting data and drawing a bar graph; according to the invention, the two groups of timers are arranged, so that the time error can be effectively reduced, the data acquisition of the concentrator and the distribution room equipment can be carried out in the same time period, the identification accuracy is improved, the distribution room equipment topology identification is realized through topology level calculation, and the identification result can be observed more visually by workers.
Description
Technical Field
The invention relates to the field of power consumption data acquisition, in particular to a distribution room topology identification method.
Background
Through retrieval, Chinese patent No. 201911053139.1 discloses a platform area topology identification method, which can not definitely freeze the beginning and the end of the power utilization time period of a platform area and can not enable workers to visually observe an identification result; the transformer in the transformer area is the last transformer through which the electric energy reaches the users, not only takes charge of the energy conversion task of converting high-voltage electricity into low-voltage commercial power, but also takes charge of the collection of the electricity consumption information of the users in the power supply range, which is a double junction of energy and information, however, the change adjustment of the electric power facilities is caused along with the continuous increase of the electricity consumption load, the company can cause the inconsistency of the electric meter file with the reality due to various technical reasons, irregular management or authority adjustment and the like in the operation process of many years, the problem of wrong account such as difficult determination of the area attribution definition of the cable power supply users and the like, an accurate basic account is an important foundation for developing a series of high-level applications such as line loss rate analysis, three-phase imbalance analysis and management, distribution network fault location, emergency repair work order issue and the like, and the national company is called as distribution and management, the marketing system and the distribution network system share a set of database to realize the cooperative operation of marketing and distribution data information sharing and service optimization; therefore, it becomes important to invent a method for identifying the topology of the distribution room;
most of the existing station area topology identification methods need to use a station area user identification instrument to check the station areas and the phase attributes of users, and the traditional station area user identification instrument adopts a power carrier communication mode, so that users with serious attenuation, long distance and large line interference cannot be identified; therefore, a method for identifying the topology of the transformer area is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a method for identifying a platform area topology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for identifying a platform area topology comprises the following specific steps:
(1) device freeze data time: two groups of timers are arranged on a concentrator attached to a transformer in a transformer area, and the same countdown duration is set;
(2) data of the equipment in the switching zone of the concentrator: under the condition of normal power utilization in the area range, starting a concentrator, acquiring original characteristic data and original power consumption of equipment in the area, acquiring original data, and storing the original data;
(3) sending a data freezing command to equipment in the transformer area: sending a freezing command to equipment in the transformer area by using a concentrator;
(4) starting frozen data time countdown: freezing the electric quantity by using a transformer in the transformer area, simultaneously opening a timing switch, and starting two groups of timers to start timing;
(5) the concentrator alternately collects the data of the freezing time period equipment: in the freezing time period, utilizing a concentrator to count the final characteristic data and the final power consumption of the equipment in the transformer area to obtain final data;
(6) and (3) data comparison: the original data and the final data are compared and excluded, and the basis of the comparison and exclusion is as follows: subtracting the original electricity consumption of the equipment from the final electricity consumption of the equipment, and if the difference value of the two is greater than 0, determining that the equipment is non-platform area equipment; if the difference value of the two values is equal to 0, marking the equipment as A;
(7) accumulating the electric quantity value and comparing with the electric quantity value of the previous level node: in the collected data, N equipment marked as A are grabbed for carrying out electric quantity accumulation, similarity matching is carried out on the N equipment and the electric quantity value of the node at the upper level, and screening is carried out according to the similarity, wherein N is a natural number, and the specific basis for screening according to the similarity is as follows:
s1, marking the electricity consumption of the equipment A as wn, marking the total electricity consumption of the n equipment A as W (equipment), and marking the total electricity consumption of the electricity supporting box as W (electricity supporting), wherein n is a natural number;
s2, W (device) ═ W1+ W2+ W3+ -. + wn;
s3, W (equipment)/W (count) is less than or equal to 100 percent, and no non-platform area equipment exists in the equipment
The topology level relation exists between the group of equipment and the branch electronic box;
s4, W (device)/W (count) > 100%, there is a non-zone device in the group of devices, and the area is marked as D.
(8) Judging the topological level relation: and carrying out topology level calculation on the equipment in the region D to determine the topology level relationship.
(9) Data statistics and bar chart drawing: and respectively counting data of the station area equipment and the non-station area equipment in the station area range, and drawing a statistical chart.
Further, timing switches of the two groups of timers in the step (1) are controlled by one group of series circuits, and all the devices in the transformer area start a freezing function at the same time by sending commands.
Further, the original characteristic data in the step (2) comprise the number and the position of the equipment, the position and the number of the branch electric boxes and the sum of electric quantity, and the current flowing direction between the equipment and the branch electric boxes;
and (5) the final characteristic data comprises the number of the devices and the positions of the devices.
Furthermore, the concentrator is in communication connection with a distribution room branch electric box, and the branch electric box is connected with a plurality of groups of intelligent electric meters.
Further, the specific steps of determining the topology level relationship in step (8) are as follows:
s1, comparing the final data of the equipment in the area D with the original data, and if no current flow direction relation exists between the equipment and the branch box, determining that the equipment is non-distribution-area equipment;
and S2, if the current flow direction relationship exists between the equipment and the branch electric box and the topological level relationship exists between the equipment and the branch electric box, the equipment is the platform area equipment.
Further, the statistical chart in the step (9) is a bar statistical chart, and the station area devices in the bar statistical chart are marked in red, and the non-station area devices are marked in black.
Compared with the prior art, the invention has the beneficial effects that:
1. the method for identifying the topology of the transformer area comprises the steps of arranging two groups of timers on a concentrator attached to a transformer of the transformer area, setting the same countdown duration, starting the concentrator under the condition of normal power utilization in the transformer area range, acquiring original characteristic data and original power consumption of equipment of the transformer area, acquiring original data, storing the original data, sending a freezing command to the equipment in the transformer area by using the concentrator, simultaneously starting a timing switch, starting the two groups of timers to start timing, enabling all the equipment in the transformer area to start a freezing function within the same time by using the sending command, finishing freezing after the timing is finished, timing by using a traditional clock, wherein the timing is not accurate enough, the time period can not be clearly known, the identification result has errors, the errors in time can be effectively reduced by arranging the two groups of timers, and the recorded time is prevented from being different from the actual time due to the failure of the timers, the concentrator can acquire data of the concentrator and the equipment in the transformer area in the same time period, so that the identification accuracy is improved;
2. in the station area topology identification method, final characteristic data and final power consumption of equipment in a station area are counted by using a concentrator in a freezing time period to obtain final data, original data and the final data are compared and eliminated, the original power consumption of the equipment is subtracted from the final power consumption of the equipment, and if the difference value of the two is greater than 0, the equipment is non-station area equipment; if the difference between the two is equal to 0, marking the equipment as A, capturing N pieces of equipment marked as A in the collected data, performing electric quantity accumulation, performing similarity matching with the electric quantity value of the node at the upper stage, screening according to the similarity, wherein N is a natural number, performing topology level calculation on the equipment in the area D, comparing the final data of the equipment in the area D with the original data, if no current flow direction relation exists between the equipment and the branch box, determining the equipment as non-platform area equipment, if a current flow direction relation exists between the equipment and the branch box, and a topology level relation exists between the equipment and the branch box, determining the equipment as platform area equipment, realizing platform area equipment topology identification, respectively counting the data of the platform area equipment and the non-platform area equipment in the platform area range, drawing a statistical graph, wherein the statistical graph is a bar statistical graph, and the platform area equipment in the bar statistical graph is marked as red, the equipment in the non-transformer area is marked to be black, so that the equipment in the transformer area and the equipment in the non-transformer area can be conveniently identified, and the identification result can be more visually observed by a worker.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is an overall flowchart of a method for identifying a topology of a distribution room according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, a method for identifying a distribution area topology includes the following specific steps:
(1) device freeze data time: two groups of timers are arranged on a concentrator attached to a transformer in a transformer area, and the same countdown duration is set;
(2) data of the equipment in the switching zone of the concentrator: under the condition of normal power utilization in the area range, starting a concentrator, acquiring original characteristic data and original power consumption of equipment in the area, acquiring original data, and storing the original data;
(3) sending a data freezing command to equipment in the transformer area: sending a freezing command to equipment in the transformer area by using a concentrator;
(4) starting frozen data time countdown: freezing the electric quantity by using a transformer in the transformer area, simultaneously opening a timing switch, and starting two groups of timers to start timing;
(5) the concentrator alternately collects the data of the freezing time period equipment: in the freezing time period, utilizing a concentrator to count the final characteristic data and the final power consumption of the equipment in the transformer area to obtain final data;
(6) and (3) data comparison: the original data and the final data are compared and excluded, and the basis of the comparison and exclusion is as follows: subtracting the original electricity consumption of the equipment from the final electricity consumption of the equipment, and if the difference value of the two is greater than 0, determining that the equipment is non-platform area equipment; if the difference value of the two values is equal to 0, marking the equipment as A;
(7) accumulating the electric quantity value and comparing with the electric quantity value of the previous level node: in the collected data, N equipment marked as A are grabbed for carrying out electric quantity accumulation, similarity matching is carried out on the N equipment and the electric quantity value of the node at the upper level, and screening is carried out according to the similarity, wherein N is a natural number, and the specific basis for screening according to the similarity is as follows:
s1, marking the electricity consumption of the equipment A as wn, marking the total electricity consumption of the n equipment A as W (equipment), and marking the total electricity consumption of the electricity supporting box as W (electricity supporting), wherein n is a natural number;
s2, W (device) ═ W1+ W2+ W3+ -. + wn;
s3, W (equipment)/W (count) is less than or equal to 100 percent, and no non-platform area equipment exists in the equipment
The topology level relation exists between the group of equipment and the branch electronic box;
s4, W (device)/W (count) > 100%, there is a non-zone device in the group of devices, and the area is marked as D.
(8) Judging the topological level relation: and carrying out topology level calculation on the equipment in the region D to determine the topology level relationship.
(9) Data statistics and bar chart drawing: and respectively counting data of the station area equipment and the non-station area equipment in the station area range, and drawing a statistical chart.
And (2) in the step (1), timing switches of the two groups of timers are controlled by one group of series circuits, and all equipment in the transformer area starts a freezing function at the same time by sending commands.
The original characteristic data in the step (2) comprise the number and the position of the equipment, the position and the number of the branch electric boxes and the sum of electric quantity, and the current flow direction between the equipment and the branch electric boxes;
and (5) the final characteristic data comprises the number of the devices and the positions of the devices.
The concentrator is in communication connection with the distribution room branch electric box, and the branch electric box is connected with a plurality of groups of intelligent electric meters.
The specific steps of judging the topology level relationship in the step (8) are as follows:
s1, comparing the final data of the equipment in the area D with the original data, and if no current flow direction relation exists between the equipment and the branch box, determining that the equipment is non-distribution-area equipment;
and S2, if the current flow direction relationship exists between the equipment and the branch electric box and the topological level relationship exists between the equipment and the branch electric box, the equipment is the platform area equipment.
And (9) the statistical chart is a bar statistical chart, and the station area equipment in the bar statistical chart is marked with red, and the non-station area equipment is marked with black.
The working principle and the using process of the invention are as follows: the method for identifying the topology of the transformer area comprises the steps that two groups of timers are arranged on a concentrator attached to a transformer of the transformer area, the same countdown duration is set, under the condition of normal power utilization in the transformer area range, the concentrator is started, original characteristic data and original power consumption of equipment of the transformer area are collected, original data are obtained and stored, a freezing command is sent to the equipment in the transformer area by the concentrator, a timing switch is turned on at the same time, the two groups of timers are started to start timing, all the equipment in the transformer area can start a freezing function in the same time by the sending command, freezing is finished after the timing is finished, the conventional method for identifying the topology of the transformer area adopts a clock to time, the timing is not accurate enough, the time period can not be known clearly, the identification result has errors, the errors in time can be reduced effectively by arranging the two groups of timers, and the recorded time is prevented from being different from the actual, the concentrator can carry out data acquisition to self and platform district equipment in the same time quantum, improves the accuracy of discernment, in freezing the time quantum, utilizes the concentrator to make statistics of the final characteristic data of equipment in the platform district and final power consumption, obtains final data, gets rid of through comparing original data and final data, and the basis of its contrast is got rid of is: subtracting the original electricity consumption of the equipment from the final electricity consumption of the equipment, and if the difference value of the two is greater than 0, determining that the equipment is non-platform area equipment; if the difference between the two is equal to 0, marking the equipment as A, capturing N pieces of equipment marked as A in the collected data, performing electric quantity accumulation, performing similarity matching with the electric quantity value of the node at the upper stage, screening according to the similarity, wherein N is a natural number, performing topology level calculation on the equipment in the area D, comparing the final data of the equipment in the area D with the original data, if no current flow direction relation exists between the equipment and the branch box, determining the equipment in the non-transformer area, if the current flow direction relation exists between the equipment and the branch box, and the topology level relation exists between the equipment and the branch box, determining the topology level relation for the equipment in the transformer area, determining the equipment in the transformer area, determining the equipment in the non-transformer area, and respectively counting the data of the equipment in the transformer area and the equipment in the non-transformer area, and drawing a statistical chart, wherein the statistical chart is a bar statistical chart, the station area equipment in the bar statistical chart is marked in red, and the non-station area equipment is marked in black, so that a worker can observe a recognition result more visually, other external equipment is not needed, station area topology recognition is realized in a manual mode, a large amount of energy, material resources and manpower are saved, and the concept of the internet of things proposed by the current ubiquitous power internet of things is also met.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A method for identifying a platform area topology is characterized by comprising the following specific steps:
(1) device freeze data time: two groups of timers are arranged on a concentrator attached to a transformer in a transformer area, and the same countdown duration is set;
(2) data of the equipment in the switching zone of the concentrator: under the condition of normal power utilization in the area range, starting a concentrator, acquiring original characteristic data and original power consumption of equipment in the area, acquiring original data, and storing the original data;
(3) sending a data freezing command to equipment in the transformer area: sending a freezing command to equipment in the transformer area by using a concentrator;
(4) starting frozen data time countdown: freezing the electric quantity by using a transformer in the transformer area, simultaneously opening a timing switch, and starting two groups of timers to start timing;
(5) the concentrator alternately collects the data of the freezing time period equipment: in the freezing time period, utilizing a concentrator to count the final characteristic data and the final power consumption of the equipment in the transformer area to obtain final data;
(6) and (3) data comparison: the original data and the final data are compared and excluded, and the basis of the comparison and exclusion is as follows: subtracting the original electricity consumption of the equipment from the final electricity consumption of the equipment, and if the difference value of the two is greater than 0, determining that the equipment is non-platform area equipment; if the difference value of the two values is equal to 0, marking the equipment as A;
(7) accumulating the electric quantity value and comparing with the electric quantity value of the previous level node: in the collected data, N equipment marked as A are grabbed for carrying out electric quantity accumulation, similarity matching is carried out on the N equipment and the electric quantity value of the node at the upper level, and screening is carried out according to the similarity, wherein N is a natural number, and the specific basis for screening according to the similarity is as follows:
s1, marking the electricity consumption of the equipment A as wn, marking the total electricity consumption of the n equipment A as W (equipment), and marking the total electricity consumption of the electricity supporting box as W (electricity supporting), wherein n is a natural number;
s2, W (device) ═ W1+ W2+ W3+ -. + wn;
s3, W (equipment)/W (branch) is less than or equal to 100%, non-platform area equipment does not exist in the group of equipment, and a topological-level relation exists between the group of equipment and the branch box;
s4, W (device)/W (count) > 100%, wherein non-platform area devices exist in the group of devices, and the area is marked as D;
(8) judging the topological level relation: performing topology level calculation on the equipment in the region D to determine a topology level relation;
(9) data statistics and bar chart drawing: and respectively counting data of the station area equipment and the non-station area equipment in the station area range, and drawing a statistical chart.
2. The method for identifying topology of distribution room as claimed in claim 1, wherein the timing switches of two sets of said timers in step (1) are controlled by a set of series circuit, and all devices in the distribution room are enabled to start the freezing function at the same time by sending commands.
3. The method for identifying the topology of the distribution room as claimed in claim 1, wherein the original feature data in step (2) includes the number and location of the devices, the location and number of the branch boxes, and the sum of the electric quantities, and the current flowing direction between the devices and the branch boxes; and (5) the final characteristic data comprises the number of the devices and the positions of the devices.
4. The district topology identification method according to claim 1, wherein the concentrator is communicatively connected to a district branch box, and the branch box is connected to a plurality of groups of smart meters.
5. The method for identifying a topology of a distribution room as claimed in claim 1, wherein the specific step of determining the topology level relationship in step (8) is as follows:
s1, comparing the final data of the equipment in the area D with the original data, and if no current flow direction relation exists between the equipment and the branch box, determining that the equipment is non-distribution-area equipment;
and S2, if the current flow direction relationship exists between the equipment and the branch electric box and the topological level relationship exists between the equipment and the branch electric box, the equipment is the platform area equipment.
6. The method for identifying a distribution area topology according to claim 1, wherein the statistical chart in step (9) is a bar statistical chart, and the distribution area devices in the bar statistical chart are marked with red and the non-distribution area devices are marked with black.
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