CN112465349A - Marketing line loss calculation and evaluation system based on one district and one index - Google Patents
Marketing line loss calculation and evaluation system based on one district and one index Download PDFInfo
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Abstract
The invention relates to a marketing line loss calculation and evaluation system based on a region and an index, which is characterized in that: including acquisition unit, computational unit and research unit, acquisition unit and computational unit are connected, acquisition unit carries to the computational unit after with information acquisition, the computational unit is connected with the research unit, the computational unit is through carrying out the analytical computation to data, founds low pressure platform district classification model, then obtains the interval reasonable calculation model of platform district line loss, the research unit is researched through the reasonable calculation model of platform district line loss who founds. By using the system, the data required by the calculation of the 'one-area-one-index' can be automatically acquired from the system, the calculation is simple, and the system has popularization; extracting static indexes and dynamic indexes which influence the line loss rate of the transformer area from the basic data of the transformer area; establishing a classification rule of the low-voltage transformer area, establishing a transformer area line loss calculation model according to the classification, and realizing the online calculation and evaluation of 'one transformer area and one index'.
Description
Technical Field
The invention belongs to the technical field of power supply management, relates to a marketing line loss calculation and evaluation system, and particularly relates to a marketing line loss calculation and evaluation system based on a distribution area and an index.
Background
In an electrical power system, a transformer area refers to the supply range or area of a (single) transformer. It is a term for power economy operation management. And even if the specific statement is a regional name, the district contractor must strictly execute the national electricity price policy and comply with the relevant power marketing regulations, be managed legally, and do the following: 1. the system is responsible for the management of meter reading, electric charge payment, line loss and average price of the responsibility transformer area and the execution work of a power supply and utilization contract; 2. the system assists in the field work of metering management, meter new installation, business expansion installation and business change, but cannot transact business such as new installation, capacity increase, electricity change and the like of a client privately; 3. the system is responsible for providing services such as power supply and utilization consultation for the client and realizing various works in the promise of high-quality power supply and utilization service; 4. and the system is responsible for power utilization inspection and problem finding of responsibility transformer areas and timely processing. The customer violation of regulation and electricity stealing treatment must adhere to the principle of checking, treatment and separation, and the evidence is checked and collected on site and then is sent to relevant departments to be treated according to relevant regulations; 5. the system is responsible for power utilization safety propaganda and inspection work in a responsibility transformer area; 6. the actual power utilization condition of the user is known, the power utilization type and the power utilization proportion of the user are correctly determined, and the accuracy of the power utilization file information of the user is ensured.
The line loss is generated in each link of power transmission, power transformation, power distribution, marketing and the like in the process of transmitting electric energy from a power plant to a client, and the line loss rate is a main economic and technical index comprehensively reflecting the power grid planning, production operation and operation management level.
However, in the aspect of line loss management of the transformer area, the uniform line loss rate index is adopted in the market to evaluate the line loss of the transformer area at present, factors such as complex physical topology, various abnormal sources, regional environment difference and the like are not fully considered, and a certain gap is still formed between the factors and the requirement of lean management of the line loss of the transformer area. With the rapid development of power consumption information acquisition and related systems, a new station area theoretical line loss calculation and evaluation method based on large metering data needs to be developed.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a marketing line loss calculation and evaluation system based on a region and an index.
The technical problem to be solved by the invention is realized by the following technical scheme:
a marketing line loss calculation and evaluation system based on an area index is characterized in that: including acquisition unit, computational unit and research unit, acquisition unit and computational unit are connected, acquisition unit carries to the computational unit after with information acquisition, the computational unit is connected with the research unit, the computational unit is through carrying out the analytical computation to data, founds low pressure platform district classification model, then obtains the interval reasonable calculation model of platform district line loss, the research unit is researched through the reasonable calculation model of platform district line loss who founds.
Preferably, the information collected by the collecting unit comprises data in a power utilization information collecting system, a marketing service application system, a marketing GIS system and a PMS2.0 system.
Preferably, the low-voltage transformer area classification model is provided with a plurality of users and distribution transformers, load points, which are commonly connected with the distribution transformers and the users, are set as virtual load center points, a virtual power distribution network is established in the calculation process of the model, the topological structure of the connection relationship between the users and the power supply is not needed to be known under the condition that the number of the power distribution users is known, the virtual load center is used as the load points, which are connected with the power supply, of all the users, a virtual network topological structure is established, and therefore transformer area line loss characteristic analysis is conducted on the basis of the equivalent model.
A working method of a marketing line loss calculation and evaluation system based on one district and one index comprises the following steps:
the method comprises the following steps: the acquisition unit acquires marketing, acquisition, PMS and GIS system data and then transmits the marketing, acquisition, PMS and GIS system data to the calculation unit;
step two: the calculation unit analyzes the line loss characteristic index of the transformer area through the acquired data, then constructs a low-voltage transformer area classification model, and then constructs a reasonable interval calculation model of the line loss of the transformer area;
step three: the research unit carries out research on the basis of a fuzzy evaluation method of the transformer area line loss in the reasonable interval, and finally obtains a calculation and evaluation method of one transformer area and one index.
The invention has the advantages and beneficial effects that:
the marketing line loss calculation and evaluation system based on one area and one index uses a low-voltage area classification model in a calculation unit, a virtual power distribution network is established in the calculation process by the model, the topological structure of the connection relation between users and a power supply is not needed to be known under the condition that the number of power distribution users is known, a virtual load center is used as a load point of all users connected with the power supply, and a virtual network topological structure is established, so that the line loss characteristic analysis of the area is carried out based on the equivalent model, and the research method and the evaluation index of one area and one index are obtained;
by using the system, the invention fuses multi-source system data such as acquisition, marketing, PMS and the like, and deeply excavates the influence of factors such as acquisition, metering, archives, statistics, technology and the like on the line loss of the transformer area by utilizing application effects such as closed-loop acquisition, metering on-line monitoring, misalignment replacement, anti-electricity-stealing platforms and the like, so that the data required by the calculation of 'one transformer area and one index' can be automatically obtained from the system, and the system has simple calculation and popularization; extracting static indexes and dynamic indexes which influence the line loss rate of the transformer area from the basic data of the transformer area; establishing a low-voltage transformer area classification rule, and establishing a transformer area line loss calculation model according to the classification; the online calculation and evaluation of 'one area and one index' are realized, the 'one area and one index' line loss management mode is comprehensively realized, and the line loss reduction of the transformer area is scientifically guided.
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FIG. 1 is a technical roadmap for the present invention;
FIG. 2 is an equivalent model diagram of a low-voltage transformer area according to the present invention;
FIG. 3 is a connection diagram of units of the present invention.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
A marketing line loss calculation and evaluation system based on one district and one index is innovative in that: the low-voltage distribution room line loss interval reasonable calculation model is constructed by analyzing and calculating data and then obtained, and the research unit conducts research through the constructed distribution room line loss reasonable calculation model.
Furthermore, the information acquired by the acquisition unit comprises data in an electricity utilization information acquisition system, a marketing service application system, a marketing GIS system and a PMS2.0 system, so that model calculation obtained in the subsequent steps is more accurate.
Furthermore, the low-voltage transformer area classification model is provided with a plurality of users and distribution transformers, load points, which are connected with the plurality of users, of the distribution transformers are set as virtual load center points, a virtual power distribution network is established in the calculation process of the model, the topological structure of the connection relation between the users and the power supply is not needed to be known under the condition that the number of the power distribution users is known, the virtual load center is used as the load point, which is connected with the power supply, of all the users, a virtual network topological structure is established, and therefore transformer area line loss characteristic analysis is conducted on the basis of the equivalent model.
A working method of a marketing line loss calculation and evaluation system based on one district and one index comprises the following steps:
the method comprises the following steps: the acquisition unit acquires marketing, acquisition, PMS and GIS system data and then transmits the marketing, acquisition, PMS and GIS system data to the calculation unit;
step two: the calculation unit analyzes the line loss characteristic index of the transformer area through the acquired data, then constructs a low-voltage transformer area classification model, and then constructs a reasonable interval calculation model of the line loss of the transformer area;
step three: the research unit carries out research on the basis of a fuzzy evaluation method of the transformer area line loss in the reasonable interval, and finally obtains a calculation and evaluation method of one transformer area and one index.
It should be noted that, the theoretical line loss calculation of the low-voltage distribution area requires accurate topological structure, line parameters and operation data, but the actual situation often cannot acquire these data. When the network topology is unknown and the required data is insufficient, a virtual distribution network can be established, a virtual network topology is formed by assuming that the distribution transformer and each user are connected with the network through a bus, the connection points of all loads in the virtual network topology are virtual load central points, and as shown in fig. 2, a low-voltage side of the distribution transformer is connected with a plurality of users through the bus. In the equivalent model, the number of users is known, but the topological structure representing the connection relation between the users and the power supply is unknown, and the line loss characteristic analysis of the transformer area is carried out based on the equivalent model.
It should be further explained that, the one-area-one-index calculation needs to obtain data such as area archive data, area acquisition data, area operation data, area archive relationship, and the like from different service systems, perform analysis on the line loss influence characteristic indexes of the areas, and calculate related factors.
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.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps 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 (4)
1. A marketing line loss calculation and evaluation system based on an area index is characterized in that: including acquisition unit, computational unit and research unit, acquisition unit and computational unit are connected, acquisition unit carries to the computational unit after with information acquisition, the computational unit is connected with the research unit, the computational unit is through carrying out the analytical computation to data, founds low pressure platform district classification model, then obtains the interval reasonable calculation model of platform district line loss, the research unit is researched through the reasonable calculation model of platform district line loss who founds.
2. The marketing line loss calculation and evaluation system based on a region-index according to claim 1, wherein: the information collected by the collecting unit comprises data in a power utilization information collecting system, a marketing business application system, a marketing GIS system and a PMS2.0 system.
3. The marketing line loss calculation and evaluation system based on a region-index according to claim 1, wherein: the low-voltage transformer area classification model is provided with a plurality of users and distribution transformers, load points which are connected with the distribution transformers and the users together are set as virtual load center points, a virtual power distribution network is established in the calculation process of the model, the topological structure of the connection relation between the users and a power supply is not needed to be known under the condition that the number of the distribution users is known, the virtual load center is used as the load point of all the users connected with the power supply, a virtual network topological structure is established, and therefore transformer area line loss characteristic analysis is conducted on the basis of the equivalent model.
4. A working method of a marketing line loss calculation and evaluation system based on one district and one index comprises the following steps:
the method comprises the following steps: the acquisition unit acquires marketing, acquisition, PMS and GIS system data and then transmits the marketing, acquisition, PMS and GIS system data to the calculation unit;
step two: the calculation unit analyzes the line loss characteristic index of the transformer area through the acquired data, then constructs a low-voltage transformer area classification model, and then constructs a reasonable interval calculation model of the line loss of the transformer area;
step three: the research unit carries out research on the basis of a fuzzy evaluation method of the transformer area line loss in the reasonable interval, and finally obtains a calculation and evaluation method of one transformer area and one index.
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Cited By (4)
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| CN112666420A (en) * | 2021-03-18 | 2021-04-16 | 国网山东省电力公司安丘市供电公司 | Power transmission and transformation equipment line loss abnormity detection method, system, terminal and storage medium |
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| CN114021833A (en) * | 2021-11-15 | 2022-02-08 | 国网江苏省电力有限公司电力科学研究院 | Line loss prediction method, system, storage medium and computing device |
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| CN114638554B (en) * | 2022-05-18 | 2022-08-26 | 国网浙江省电力有限公司 | Marketing business health index evaluation joint control method and system |
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