CN117993614A - Distribution network planning device based on distribution network frame - Google Patents
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Abstract
The invention discloses a power distribution network planning device based on a power distribution network frame, and relates to the technical field of power distribution network planning. The method aims at solving the problems that the existing power distribution network planning method is mainly based on experience and practice, the planning process is incomplete, the scheme of each power distribution network planning cannot be optimized, the requirements of a modern power system cannot be met, the systematicness and the scientificity are lacking, and the efficiency and the accuracy of the power distribution network planning are low; a power distribution network planning device based on a power distribution network frame comprises a data acquisition unit, a data processing unit, a planning calculation unit and a result output unit; through modularization of the power distribution network planning process, power distribution network planning can be conveniently carried out, planning results are output in a graphical interface or report mode, the planning results can be displayed more intuitively, efficiency and accuracy of power distribution network planning can be improved based on the power distribution network frame planning device, construction cost of the power distribution network is reduced, and stability and reliability of a power system are improved.
Description
Technical Field
The invention relates to the technical field of power distribution network planning, in particular to a power distribution network planning device based on a power distribution network frame.
Background
The distribution network is an important component of the power system, and the planning and construction of the distribution network directly affect the stability and reliability of the power system. With the continuous development of power systems, the scale and complexity of distribution networks are also increasing. In order to improve the operation efficiency and reliability of the power distribution network, reasonable power distribution network planning is required. Regarding power distribution network planning, china patent with publication number of CN111768033A discloses a multi-target AC/DC power distribution network planning method and device, which are used for considering the economy and reliability of power distribution network planning and realizing collaborative planning of a plurality of targets. The method comprises the steps of obtaining planning parameters of a preset planning area, and determining optimization targets and constraint conditions of the multi-target AC/DC power distribution network by adopting the planning parameters; the optimization targets include a construction cost target and a reliability target; establishing a multi-objective optimization planning model by adopting the planning parameters, the optimization targets and the constraint conditions; solving the multi-objective optimization planning model by adopting a preset multi-objective evolution MOEA/D algorithm, and outputting an optimization variable; and determining a compromise solution of the optimization variable, and planning the multi-objective AC/DC power distribution network by adopting the compromise solution.
The above patent, although realizing collaborative planning of multiple objectives by establishing a multi-objective optimization planning model, still has the following problems:
In the prior art, the power distribution network planning method is mainly based on experience and practice, in the collaborative planning process of a plurality of targets, the planning process is incomplete, the scheme of each power distribution network planning cannot be optimized, the requirements of a modern power system cannot be met, the systematicness and the scientificity are lacked, and the efficiency and the accuracy of the power distribution network planning are low.
Disclosure of Invention
The invention aims to provide a power distribution network frame-based power distribution network planning device, which is used for outputting a planning result in a graphical interface or report form by modularization of a power distribution network frame planning process, intuitively displaying the planning result and improving the efficiency and accuracy of power distribution network planning based on the power distribution network frame so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a distribution grid planning apparatus based on a distribution grid, comprising:
the data acquisition unit is used for collecting and inputting related data of the power distribution network;
The data processing unit is used for processing the collected related data, classifying the data based on the data types of the related data, and generating a power distribution network planning scheme according to the data classification result and the structure and the characteristics of the power distribution network frame;
The planning calculation unit is used for carrying out optimization calculation and analysis according to the power distribution network planning scheme and the historical power consumption data, obtaining an optimal power distribution network planning scheme and generating specific power distribution network planning implementation measures;
And the result output unit is used for outputting the planning scheme and the specific power distribution network planning implementation measures thereof in the form of a graphical interface or report.
Further, the related data of the power distribution network comprises target planning area data, voltage, current, power factor data, power demand data, power grid structure data and equipment information data of the power distribution network.
Further, the data acquisition unit includes:
The data acquisition module is used for collecting related data of the power distribution network through the sensor, the instrument and the recorder equipment;
the data reading module is used for acquiring the actively uploaded power distribution network planning data, reading the power distribution network planning data and determining a target planning range of the power distribution network planning data;
The data preprocessing module is used for cleaning and preprocessing related data of the power distribution network, removing redundant data, and performing format conversion on the data to generate a unified standardized data format;
And the data transmission module is used for transmitting the related data of the power distribution network processed by the data preprocessing module to the data processing unit, and backing up the related data of the power distribution network to the database.
Further, the data processing unit includes:
the data classification module is used for classifying the acquired related data of the power distribution network to obtain structural data of the power distribution network frame and operation data of the power distribution network;
The data association module is used for establishing an association relation with the operation data of the power distribution network based on the equipment distribution characteristics of the structure data of the power distribution network frame;
And the planning scheme generating module is used for acquiring regional power consumption requirements and power supply conditions of the power distribution network operation data and determining the design scheme of the power distribution grid structure based on the association relation.
Further, the structural data of the power distribution network frame comprises layout and configuration of transformers, lines, switches and capacitor equipment; the power distribution network operation data includes power supply data, power demand data, power quality data, and power equipment data.
Further, the planning scheme generating module specifically includes:
acquiring the electricity consumption requirement of a user in a target planning area based on the target planning area data, and determining the structure and characteristics of the power distribution network frame according to the electricity consumption requirement and the actual situation of the user;
according to the distribution grid structure and the user demands, combining the available power source resources and geographic positions, making reasonable power distribution planning, and making planning schemes including the positions of distribution stations, the number and capacity of transformers and the layout and specification of lines;
And analyzing the planning scheme, determining the position of the power distribution station, the number and capacity of transformers, the layout of the circuit and the layout priority of the specification, and executing the planning scheme based on the layout priority.
Further, the planning calculation unit includes:
the historical data acquisition module is used for acquiring historical electricity utilization data in the target planning area;
The power distribution network evaluation module is used for analyzing the planning scheme based on the historical power consumption data, determining an evaluation result of the planning scheme and generating a corresponding scheme according to the evaluation result;
And the planning scheme optimizing module is used for optimizing the planning scheme based on the evaluation result of the power distribution network evaluation module.
Further, the power distribution network evaluation module specifically includes:
predicting the electricity load in a target planning area based on historical electricity data in the target planning area;
Carrying out power flow calculation according to the distribution grid structure and the load prediction result, determining the operation parameters of the current and the voltage of each line and equipment, and calculating the circuit capacity of each line and equipment based on the distribution grid structure and the equipment parameters;
Analyzing and evaluating the environmental influence possibly generated in the construction and operation processes of the power distribution network, and generating corresponding environmental protection measures and schemes according to the evaluation results;
and comprehensively evaluating the construction and maintenance cost, the power supply reliability and the energy consumption of the power distribution network according to the operation parameters of the current and the voltage of each line and equipment and the calculation result of the circuit capacity, and generating a corresponding investment estimation scheme according to the evaluation result.
Further, the planning scheme optimizing module includes:
Determining each important node and possible weak links in the power distribution grid structure according to the power flow calculation result, and selecting proper equipment types and configuration quantity according to the calculation result of the circuit capacity;
and formulating reasonable scheduling and control strategies based on the operation characteristics and equipment parameters of the power distribution network, and formulating specific implementation plans and monitoring schemes according to the formulated scheduling and control strategies.
Further, the planning scheme optimizing module is further configured to:
And after the final planning scheme is determined, implementing the final planning scheme, collecting feedback comments of users after implementing the final planning scheme, adjusting the scheme, and periodically monitoring and maintaining the power distribution network equipment based on the formulated implementation scheme and monitoring scheme in the power distribution network operation process.
Compared with the prior art, the invention has the beneficial effects that:
The power distribution network planning process is modularized, the planning result is output in a graphical interface or report mode, the planning result is displayed more intuitively, the power distribution network planning device based on the power distribution network frame improves the efficiency and accuracy of power distribution network planning, reduces the construction cost of the power distribution network, improves the stability and reliability of a power system, and can more accurately predict the future power consumption load through analysis and excavation of historical power consumption data, so that a more reasonable target planning scheme is formulated, the power distribution network frame is reasonably designed, the planning scheme is formulated, resources are reasonably configured, and the benefit of power supply is improved.
Drawings
Fig. 1 is a block diagram of a power distribution network planning apparatus based on a power distribution network frame according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problems that in the prior art, a power distribution network planning method is mainly based on experience and practice, in a collaborative planning process of a plurality of targets, the planning process is incomplete, a scheme of each power distribution network planning cannot be optimized, requirements of a modern power system cannot be met, systemization and scientificity are lacking, and efficiency and accuracy of power distribution network planning are low, referring to fig. 1, the embodiment provides the following technical scheme:
a distribution grid planning apparatus based on a distribution grid, comprising:
The data acquisition unit is used for collecting and inputting related data of the power distribution network, wherein the related data of the power distribution network comprise target planning area data, voltage, current, power factor data, power demand data, power network structure data and equipment information data of the power distribution network;
a data acquisition unit comprising:
The data acquisition module is used for collecting related data of the power distribution network through sensors, meters and recorder equipment, including current, voltage, power factor, active power, reactive power and the like;
In the embodiment, the sensors and the meters can monitor the running state of the power distribution network in real time, including parameters such as current, voltage, power factor and the like, and timely find and solve the power supply problem, so that the reliability of power supply is improved, the running state of the power distribution network is known more accurately, and the efficiency of power distribution and management is improved;
The data reading module is used for acquiring the actively uploaded power distribution network planning data, reading the power distribution network planning data, determining a target planning range of the power distribution network planning data, determining a planning range of a planning scheme, and improving planning accuracy and planning efficiency;
The data preprocessing module is used for cleaning and preprocessing related data of the power distribution network, removing redundant data, converting the format of the data, generating a unified standardized data format, improving the quality and the service efficiency of the data, facilitating the safety of storage and management, improving the accuracy of data analysis, and providing better support and guarantee for the planning and analysis of the follow-up power distribution network;
the data transmission module is used for transmitting the related data of the power distribution network processed by the data preprocessing module to the data processing unit, backing up the related data of the power distribution network to the database, transmitting the preprocessed data to the data processing unit, further carrying out data format standardization, improving the readability and operability of the data, ensuring the continuity and reliability of the data through data backup, enabling the backup data to provide historical data record and traceability, and further carrying out mining and analysis on the backup data to find new business opportunities and trends or carrying out data analysis for other purposes;
In the embodiment, through collecting and analyzing the related data of the power distribution network, the planning data of the power distribution network are read and analyzed, the planning range of the target can be clarified, the coverage range and the power supply requirement of the power distribution network frame can be better known, so that a more accurate planning scheme of the power distribution network is formulated, the load mode and the power requirement of the power distribution network can be better understood, the configuration of power resources is optimized, the power utilization efficiency is improved, part of planning processes can be automated by utilizing the data, and the manual intervention and the time cost are reduced;
The data processing unit is used for processing the collected related data, classifying the data based on the data types of the related data, and generating a power distribution network planning scheme according to the data classification result and the structure and the characteristics of the power distribution network frame;
A data processing unit comprising:
The data classification module is used for classifying the acquired related data of the power distribution network to obtain structural data of a power distribution network frame and operation data of the power distribution network frame, wherein the structural data of the power distribution network frame comprise layout and configuration of transformers, circuits, switches and capacitor equipment; the power distribution network operation data comprises power supply data, power demand data, power quality data and power equipment data;
The data association module is used for establishing an association relation with the operation data of the power distribution network based on the equipment distribution characteristics of the structure data of the power distribution network frame;
the planning scheme generation module is used for acquiring regional power consumption requirements and power supply conditions of the power distribution network operation data and determining a design scheme of a power distribution grid structure based on the association relation;
In the embodiment, the power demand and the load condition of the area can be known by acquiring the area power consumption demand of the power distribution network operation data, so that a power distribution grid structure meeting the area power consumption demand is designed, and the reliability and the stability of power supply are ensured; the power distribution network operation data of the power distribution network are acquired to obtain the power supply conditions of the power distribution network operation data, so that the conditions of power distribution, power lines, power supply equipment and the like in the area can be known, the design scheme of the power distribution network structure is optimized, and the power supply efficiency and quality are improved;
In the embodiment, the collected related data of the power distribution network frame are classified to obtain the structural data of the power distribution network frame and the operation data of the power distribution network frame, different types of data are organized and managed, subsequent data analysis and processing are facilitated, different processing methods and technologies are adopted for different data types, the data processing efficiency is improved, the structural data of the power distribution network frame and the operation data of the power distribution network frame are analyzed and mined to find rules and association relations, the design scheme of the power distribution network frame structure is determined based on the association relations, and various factors such as regional power consumption requirements, power supply conditions and the like can be comprehensively considered, so that the design accuracy is improved, and decision support is provided for planning, management and optimization of the power distribution network;
The planning calculation unit is used for carrying out optimization calculation and analysis according to the power distribution network planning scheme and the historical power consumption data, obtaining an optimal power distribution network planning scheme and generating specific power distribution network planning implementation measures;
The result output unit is used for outputting the planning scheme and the specific power distribution network planning implementation measures thereof in a graphical interface or report form;
In this embodiment, through the modularization of the power distribution network planning process, the power distribution network planning can be more conveniently performed, the planning result is output in a graphical interface or report form, the planning result can be more intuitively displayed, the power distribution network planning device based on the power distribution network frame can improve the efficiency and accuracy of the power distribution network planning, reduce the construction cost of the power distribution network, and improve the stability and reliability of a power system.
The planning scheme generation module specifically comprises:
Acquiring electricity consumption requirements of users in a target planning area based on the data of the target planning area, wherein the electricity consumption requirements comprise electricity consumption, voltage level, load distribution and the like, so as to determine the scale and layout of a power distribution network, and determining the structure and characteristics of the power distribution network frame, including the length, the wire diameter, the transformer capacity and the like of a circuit according to the electricity consumption requirements of the users and the actual conditions, and selecting a proper power distribution network frame structure and equipment model according to the actual conditions;
according to the distribution grid structure and the user demands, combining the available power source resources and geographic positions, making reasonable power distribution planning, and making planning schemes including the positions of distribution stations, the number and capacity of transformers and the layout and specification of lines;
Analyzing the planning scheme, determining the position of the power distribution station, the number and capacity of transformers, the layout of lines and the layout priority of specifications, and executing the planning scheme based on the layout priority;
In this embodiment, the structure and characteristics of the power distribution network frame are determined by acquiring the power consumption requirements and actual conditions of the users in the target planning area, so as to satisfy the requirements that the power can be safely and stably provided for the users, reasonably design the power distribution network frame, formulate the planning scheme, reasonably configure the resources, improve the benefit of power supply, and by analyzing the planning scheme, the optimal distribution station position, transformer number and capacity, circuit layout and specification can be determined, thereby optimizing the resource configuration, improving the efficiency and quality of the power supply, reducing the construction cost and improving the economic benefit.
In this embodiment, the planning calculation unit includes:
the historical data acquisition module is used for acquiring historical electricity utilization data in the target planning area;
The power distribution network evaluation module is used for analyzing the planning scheme based on the historical power consumption data, determining an evaluation result of the planning scheme and generating a corresponding scheme according to the evaluation result;
The planning scheme optimizing module is used for optimizing the planning scheme based on the evaluation result of the power distribution network evaluation module; the planning scheme optimizing module is further configured to: after determining a final planning scheme, implementing the final planning scheme, including building a power distribution station, installing a transformer and a circuit, debugging equipment and the like, and after implementing the final planning scheme, collecting feedback comments of a user, adjusting the scheme, and periodically monitoring and maintaining the power distribution network equipment based on a formulated implementation scheme and a monitoring scheme in the operation process of the power distribution network;
In the embodiment, detailed information of the running condition of the power distribution network is known in real time through an evaluation result of the power distribution network evaluation module, including equipment configuration and running condition, stability, reliability, efficiency and the like of power supply, a planning scheme is optimized to better meet the power consumption requirement of a user, the requirement and the expectation of the user on the current scheme are known based on feedback of the user, so that the user satisfaction is improved, the scheme implementation can be optimized in a targeted manner according to the information provided by the user about the specific condition and problem of the planning scheme in actual implementation, the feasibility and effect of the scheme are improved, good communication and cooperation relation can be established with the user, and the support and trust of the user on the scheme are enhanced;
In this embodiment, the power distribution network evaluation module specifically includes:
the power consumption load in the target planning area is predicted based on the historical power consumption data in the target planning area, the historical power consumption data reflects the power consumption behavior and rule of a user, and the reliability and stability of target planning can be enhanced by predicting the power consumption load based on the data;
Carrying out power flow calculation according to the distribution grid structure and the load prediction result, determining the operation parameters of the current and the voltage of each line and equipment, and calculating the circuit capacity of each line and equipment based on the distribution grid structure and the equipment parameters;
Analyzing and evaluating the environmental influence possibly generated in the construction and operation processes of the power distribution network, and generating corresponding environmental protection measures and schemes according to the evaluation results;
comprehensively evaluating the construction and maintenance cost, the power supply reliability and the energy consumption of the power distribution network according to the operation parameters of the current and the voltage of each line and equipment and the calculation result of the circuit capacity, and generating a corresponding investment evaluation scheme according to the evaluation result;
In the embodiment, through analysis and excavation of historical electricity consumption data, future electricity consumption load can be predicted more accurately, so that a more reasonable target planning scheme is formulated, for example, peak period and valley period of the electricity consumption load can be found out, distribution of power resources is arranged reasonably, operation cost is reduced, and through analysis of a power distribution grid structure and operation parameter, environmental influence, investment estimation and economic benefit analysis are evaluated, so that planning of a power distribution network can meet power requirements, efficient, environment-friendly and economic operation can be realized, and sustainable development and optimized operation of the power distribution network are realized;
In this embodiment, the planning scheme optimization module includes:
Determining each important node and possible weak links in the power distribution grid structure according to the power flow calculation result, and selecting proper equipment types and configuration quantity according to the calculation result of the circuit capacity;
and formulating reasonable scheduling and control strategies based on the operation characteristics and equipment parameters of the power distribution network, and formulating specific implementation plans and monitoring schemes according to the formulated scheduling and control strategies.
In this embodiment, the operation characteristics and the device parameters of the power distribution network directly relate to the reliability and stability of power supply, by making reasonable scheduling and control strategies, the influence of device faults and abnormal conditions on the power supply can be reduced, the reliability and stability of the power supply are improved, the implementation plan specifies the specific operation method and time nodes of each step in detail, each link is clear and is beneficial to the smooth development of work, the time and resources can be reasonably arranged, the tasks and targets of each link are clear, and therefore the working efficiency is improved, the coping capability of sudden events is enhanced by combining implementation plans and monitoring schemes, measures can be rapidly taken to cope once the abnormal conditions occur, and the stable operation of the power system is ensured.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (10)
1. Distribution network planning device based on distribution network frame, its characterized in that: comprising the following steps:
the data acquisition unit is used for collecting and inputting related data of the power distribution network;
The data processing unit is used for processing the collected related data, classifying the data based on the data types of the related data, and generating a power distribution network planning scheme according to the data classification result and the structure and the characteristics of the power distribution network frame;
The planning calculation unit is used for carrying out optimization calculation and analysis according to the power distribution network planning scheme and the historical power consumption data, obtaining an optimal power distribution network planning scheme and generating specific power distribution network planning implementation measures;
And the result output unit is used for outputting the planning scheme and the specific power distribution network planning implementation measures thereof in the form of a graphical interface or report.
2. A distribution grid planning apparatus based on a distribution grid frame as set forth in claim 1, wherein: the related data of the power distribution network comprises target planning area data, voltage, current, power factor data, power demand data, power grid structure data and equipment information data of the power distribution network.
3. A distribution grid planning apparatus based on a distribution grid frame as set forth in claim 2, wherein: a data acquisition unit comprising:
The data acquisition module is used for collecting related data of the power distribution network through the sensor, the instrument and the recorder equipment;
the data reading module is used for acquiring the actively uploaded power distribution network planning data, reading the power distribution network planning data and determining a target planning range of the power distribution network planning data;
The data preprocessing module is used for cleaning and preprocessing related data of the power distribution network, removing redundant data, and performing format conversion on the data to generate a unified standardized data format;
And the data transmission module is used for transmitting the related data of the power distribution network processed by the data preprocessing module to the data processing unit, and backing up the related data of the power distribution network to the database.
4. A distribution grid planning apparatus according to claim 3, wherein: a data processing unit comprising:
the data classification module is used for classifying the acquired related data of the power distribution network to obtain structural data of the power distribution network frame and operation data of the power distribution network;
The data association module is used for establishing an association relation with the operation data of the power distribution network based on the equipment distribution characteristics of the structure data of the power distribution network frame;
And the planning scheme generating module is used for acquiring regional power consumption requirements and power supply conditions of the power distribution network operation data and determining the design scheme of the power distribution grid structure based on the association relation.
5. A distribution grid planning apparatus based on a distribution grid frame as set forth in claim 4, wherein: the structure data of the power distribution network frame comprises the layout and configuration of transformers, lines, switches and capacitance equipment; the power distribution network operation data includes power supply data, power demand data, power quality data, and power equipment data.
6. A distribution grid planning apparatus based on a distribution grid frame as set forth in claim 5, wherein: the planning scheme generation module specifically comprises:
acquiring the electricity consumption requirement of a user in a target planning area based on the target planning area data, and determining the structure and characteristics of the power distribution network frame according to the electricity consumption requirement and the actual situation of the user;
according to the distribution grid structure and the user demands, combining the available power source resources and geographic positions, making reasonable power distribution planning, and making planning schemes including the positions of distribution stations, the number and capacity of transformers and the layout and specification of lines;
And analyzing the planning scheme, determining the position of the power distribution station, the number and capacity of transformers, the layout of the circuit and the layout priority of the specification, and executing the planning scheme based on the layout priority.
7. A distribution grid planning apparatus in accordance with claim 6 wherein: a planning calculation unit comprising:
the historical data acquisition module is used for acquiring historical electricity utilization data in the target planning area;
The power distribution network evaluation module is used for analyzing the planning scheme based on the historical power consumption data, determining an evaluation result of the planning scheme and generating a corresponding scheme according to the evaluation result;
And the planning scheme optimizing module is used for optimizing the planning scheme based on the evaluation result of the power distribution network evaluation module.
8. A distribution grid planning apparatus in accordance with claim 7 wherein: the power distribution network evaluation module specifically comprises:
predicting the electricity load in a target planning area based on historical electricity data in the target planning area;
Carrying out power flow calculation according to the distribution grid structure and the load prediction result, determining the operation parameters of the current and the voltage of each line and equipment, and calculating the circuit capacity of each line and equipment based on the distribution grid structure and the equipment parameters;
Analyzing and evaluating the environmental influence possibly generated in the construction and operation processes of the power distribution network, and generating corresponding environmental protection measures and schemes according to the evaluation results;
and comprehensively evaluating the construction and maintenance cost, the power supply reliability and the energy consumption of the power distribution network according to the operation parameters of the current and the voltage of each line and equipment and the calculation result of the circuit capacity, and generating a corresponding investment estimation scheme according to the evaluation result.
9. A distribution grid planning apparatus in accordance with claim 8 wherein: a planning scheme optimization module comprising:
Determining each important node and possible weak links in the power distribution grid structure according to the power flow calculation result, and selecting proper equipment types and configuration quantity according to the calculation result of the circuit capacity;
and formulating reasonable scheduling and control strategies based on the operation characteristics and equipment parameters of the power distribution network, and formulating specific implementation plans and monitoring schemes according to the formulated scheduling and control strategies.
10. A distribution grid planning apparatus in accordance with claim 9 wherein: the planning scheme optimizing module is further used for:
And after the final planning scheme is determined, implementing the final planning scheme, collecting feedback comments of users after implementing the final planning scheme, adjusting the scheme, and periodically monitoring and maintaining the power distribution network equipment based on the formulated implementation scheme and monitoring scheme in the power distribution network operation process.
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