CN105574652B - Intelligent power distribution network planning big data management and control system and method - Google Patents

Intelligent power distribution network planning big data management and control system and method Download PDF

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CN105574652B
CN105574652B CN201510925157.XA CN201510925157A CN105574652B CN 105574652 B CN105574652 B CN 105574652B CN 201510925157 A CN201510925157 A CN 201510925157A CN 105574652 B CN105574652 B CN 105574652B
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data
power grid
planning
distribution network
power
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CN105574652A (en
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吴奎华
吴健
王建
郑志杰
杨波
梁荣
冯亮
孙伟
王飞
张晓磊
杨慎全
杜鹏
武勇
李昭
张雯
李凯
刘淑莉
卢兆军
卢志鹏
王洪伟
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State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Shandong Electric Power Co
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State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Shandong Electric Power Co
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management, e.g. organising, planning, scheduling or allocating time, human or machine resources; Enterprise planning; Organisational models
    • G06Q10/063Operations research or analysis
    • G06Q10/0637Strategic management or analysis
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06Electricity, gas or water supply
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

Abstract

The invention discloses a system and a method for managing and controlling planning big data of an intelligent power distribution network, wherein the system comprises the following steps: constructing a global power grid planning model by the data layer; establishing a basic data dictionary containing power grid equipment, graphic standards and power grid operation information; the application layer carries out statistical analysis and real-time load actual measurement analysis on the power grid equipment and the power grid running state in the set area; automatic filling of a power grid load data chart, intelligent operation of planning data, intelligent check of the planning data, and intelligent statistics and summarization of the planning data are realized; the service layer evaluates and selects a planned power grid scheme; and the display layer performs centralized display, sharing and information release on the planning and design result. The method takes multi-source mass data such as basic geographic information, power grid space and attribute thematic information, power grid operation real-time information and the like as a core, effectively integrates planned design data resources in the system, establishes a power grid planning and designing comprehensive information platform, and tamps the power grid planning and designing informatization basis.

Description

Intelligent power distribution network planning big data management and control system and method
Technical Field
The invention relates to the technical field of intelligent power distribution networks, in particular to a system and a method for managing and controlling planning big data of an intelligent power distribution network.
Background
The power grid planning is a complex and arduous system engineering, has the characteristics of large scale, wide related fields, many participating departments and the like, and the power grid planning design work is a complex system engineering and has the characteristics of large data volume, many uncertain factors, wide related fields, quick updating and changing and the like. The daily programming and design work as a programming and development direction provides new requirements and challenges for the programming work.
At present, a plurality of power grid planning commercial software are applied to the planning and design field of power systems at home and abroad. The domestic power grid planning software mainly comprises a power system analysis integrated program software package (PSASP), a BPA software package and the like. Foreign power grid planning software mainly comprises EDSA Technical 2000, Transmission2000, PSAPAC and the like. The software plays a great role in improving the power grid planning design level and reducing the labor intensity of planning personnel. However, with the rapid development of modern computer software and hardware technologies and the Internet, and the application of new technologies and new devices in power systems, the current power grid planning software begins to show some limitations: mainly comprises the following steps:
(1) the system cannot be accessed to professional system data such as power grid production, marketing, scheduling operation and the like, and cannot be well integrated with other software.
(2) Multi-user cooperative work is not well supported.
(3) The data display form is single, and the data display in the forms of graphics, videos, animations, interactive experiences and the like cannot be supported.
(4) The quality inspection of the planning data cannot realize data interconnection and sharing, and the planning data cannot be well controlled.
(5) The automation and intelligence degrees are low, the function of a professional system is single, the result output form is single, and the system is not flexible; it does not have good scalability.
Disclosure of Invention
In order to solve the problems, the invention provides a system and a method for managing and controlling the planning big data of the intelligent power distribution network, the system and the method can diagnose the power grid development indexes in real time, accurately simulate the power grid operation situation, intensively display the planning and design result, and can manage and control the whole process of links such as power grid planning, early planning, statistical analysis, later evaluation and the like.
In order to achieve the purpose, the invention adopts the following specific scheme:
the utility model provides an intelligent power distribution network planning big data management and control system, includes: the system comprises a data layer, an application layer, a service layer and a display layer;
the data layer collects the internal power grid information data and the external power grid information data of the power distribution network through the data exchange technology of the enterprise service bus and the data exchange platform, and constructs a global power grid planning model comprising the hierarchical relationship and the topological relationship of the power grid equipment; meanwhile, a basic data dictionary containing power grid equipment, graphic standards and power grid operation information is established;
the application layer comprises an application layer server, and the application layer server carries out statistical analysis and real-time load actual measurement analysis on the power grid equipment and the power grid running state in a set area based on the data of the data layer; meanwhile, according to the requirement of the actual measurement and analysis of the load, the automatic or semi-automatic filling and reporting of a power grid load data chart, intelligent operation of planning data, intelligent checking of the planning data and intelligent statistics and summarization of the planning data are realized;
the application layer acquires real-time data of the operation of the power distribution network, original measurement data and power grid operation state data information, extracts and counts relevant data of power grid scale, power supply quality, power grid structure, equipment level, power supply capacity, intelligent level and operation condition after data normalization processing, and performs panoramic scanning on the current situation of the power grid in real time;
the service layer is used for providing data support for the power grid simulation platform, performing simulation on the operation situation of the power grid, and selecting a planned power grid scheme according to a simulation result;
the display layer is based on two-dimensional or three-dimensional integrated GIS display and dynamic index chart display, integrates a multi-screen splicing technology, and realizes centralized display, sharing and information release of planning and designing results.
The power grid information data in the power distribution network comprises: the system comprises power grid related data acquired by a PMS production management system, a scheduling EMS system, a power grid GIS system, an intelligent distribution network operation monitoring system, a planning plan management platform, a power utilization information acquisition system and a power quality monitoring system;
the power distribution network external power grid information data comprises: real-time data of a lightning information positioning system, a meteorological information system and a disaster prevention and reduction system;
the data layer includes: the system comprises an interface for exchanging data with the system, a data integration module for integrating power grid information data inside the power distribution network and power grid information data outside the power distribution network, a system integration module for integrating with an external power distribution network command system, a marketing and distribution comprehensive information platform, a unified video monitoring system and a power transmission and transformation equipment state detection system, and an enterprise internal resource data module.
The application layer server comprises: the system comprises a report server, a model server, a relational database server and a real-time database server;
the report server is used for processing database interaction, responding to client service application, providing various data services, and providing uniform interface operation report data management, authority management, report maintenance, access control and plug-in maintenance;
the model server is used for building a data relation model according to the power distribution network model;
the relational database server is used for storing the data relation of the power distribution network for the report server to call;
and the real-time database server is used for storing all filled data of the server side and the configuration related to the system.
Various power distribution network planning form templates are set in the report server, and row addition and deletion, optional cell merging and splitting, text frame insertion, graphic object insertion and cell attribute setting operations can be performed according to the power distribution network planning form templates;
carrying out online automatic statistics of the system: and automatically acquiring planning data of the data layer, and automatically filling the data into a power distribution network planning form template.
The intelligent operation of the planning data is specifically as follows: performing data operation of a planning table, wherein the data operation comprises inter-table operation, selective calculation according to conditions, cross-report period operation, top period taking and accumulated operation;
the report server automatically operates according to the in-table formula, the inter-table formula or the cross-task formula, and performs truncation balance according to the operation formula and the auditing conditions.
The intelligent checking of the planning data specifically comprises the following steps: checking whether the filled data meets the set checking relation, automatically checking the filled data according to the set report template rule, wakenly marking the index data which does not meet the set report template rule, and automatically positioning the index data to the cell.
The intelligent statistics of the planning data specifically comprises the following steps: summarizing data layer by layer, summarizing according to specified conditions and summarizing in a multi-report period; the data layer-by-layer summarization comprises the steps of carrying out statistical analysis on all data, inquiring reporting conditions, auditing conditions, locking conditions and approving conditions, listing inquiry results in a table form, and marking the number of various data users.
Data interaction is established with a power grid simulation platform, data support is provided for the power grid simulation platform, and simulation of the power grid operation situation is achieved;
synchronizing the real-time data section to a power grid simulation platform, and accurately simulating the running situation of an alternating current/direct current large power grid, extra-high voltage access and a power distribution network to obtain a simulation result of power grid tide and power grid short-circuit current; taking power grid tide, power grid short-circuit current, power grid stability and power grid economic data as planning scheme evaluation indexes, determining index weight by adopting an analytic hierarchy process, and evaluating a planning power grid scheme by using a TOPSIS method;
and performing online comparison and selection on the evaluation results of the plurality of different planned power grid schemes according to a set rule to finally obtain the optimal planned power grid scheme.
An implementation method of a planning big data management and control system of an intelligent power distribution network comprises the following steps:
(1) establishing data connection with a PMS production management system, a scheduling EMS system, a power grid GIS system, an intelligent distribution network operation monitoring system, a planning plan management platform, a power utilization information acquisition system, an electric energy quality monitoring system, a thunder and lightning information positioning system, a meteorological information system and a disaster prevention and reduction system through data interfaces respectively to obtain planning source data of the intelligent distribution network;
(2) collecting data of each system, and establishing a planning information resource integration platform; according to a preset data unification and data interaction relation, a global power grid planning model comprising a hierarchical relation and a topological relation of power grid equipment is constructed;
(3) setting a distribution network planning form template, and performing data statistics and real-time load data statistics on the safety and reliability level and the utilization efficiency of the power grid in a set area, the equipment condition and the current situation of an enterprise based on the data resources of the planning information resource integration platform to realize automatic or semi-automatic filling, summarizing and statistics of the distribution network planning form;
(4) establishing data connection with a power grid simulation platform, and simulating the operation situations of an alternating current/direct current large power grid, an extra-high voltage access power grid and a power distribution network based on the acquired source data to obtain simulation results of power grid tide and power grid short-circuit current; taking power grid tide, power grid short-circuit current, power grid stability and power grid economic data as planning scheme evaluation indexes, determining index weight by adopting an analytic hierarchy process, and evaluating a planning power grid scheme by using a TOPSIS method;
and performing online comparison and selection on the evaluation results of the plurality of different planned power grid schemes according to a set rule to finally obtain the optimal planned power grid scheme.
(5) And displaying and sharing the planning result data of the intelligent power distribution network.
The hierarchical relationship construction main body of the global power grid planning model is consistent with the PMS production management system, and the corresponding relationship between the equipment model of the PMS production management system and the EMS model is established to realize the correspondence with the ledger attribute;
the topological relation construction process of the global power grid planning model is as follows:
the communication between the power transmission and transformation main network model and the distribution network model is realized, the EMS system establishes a complete power transmission and transformation main network model, the distribution network automation provides a part of distribution network models, and the PMS production management system provides a supplemented distribution network model and a low-voltage model;
and performing model splicing on the power transmission and transformation main network model and the distribution network model, establishing a corresponding relation between different models, and performing interactive integration on received data.
The invention has the beneficial effects that:
1. and comprehensively controlling power grid planning data. The method takes multi-source mass data such as basic geographic information, power grid space and attribute thematic information, power grid operation real-time information and the like as a core, effectively integrates planned design data resources in the system, establishes a power grid planning and designing comprehensive information platform, and tamps the power grid planning and designing informatization basis.
2. And diagnosing the power grid development index in real time. The method comprises the steps of systematically evaluating the current development situation of the power grid from various aspects of the power grid scale, the power supply quality, the power grid structure, the equipment level, the power supply capacity, the intelligent level, the operation condition and the like, carrying out panoramic scanning on the current power grid in real time, establishing a perfect power grid diagnosis and analysis index system, comprehensively diagnosing weak links of the power grid by analyzing key indexes, pertinently providing improvement measures and scientifically making a planning scheme. The system evaluates the current state indexes of the power grid, such as national policy environment, load development requirements, safe and reliable level, equipment utilization efficiency and the like, diagnoses and analyzes weak links of the power grid in real time, defines the investment focus of the power grid, and promotes the scientific development of companies and the power grid.
3. And accurately simulating the operation situation of the power grid. The method has the advantages that massive data are fully utilized, the operation situations of an alternating current-direct current large power grid, an extra-high voltage access, a power distribution network and the like are simulated accurately, a planning scheme is checked on line, a feasible planning and design scheme is formulated, and the safe and stable operation of the power grid is guaranteed.
4. And (5) centrally displaying the planning and design results. Based on geographic information, a visual display mode is adopted, and centralized display of planning results such as power grids of the present situation of each voltage class in the whole province, target grid frames and the like and online monitoring of indexes such as power grid development indexes, diagnosis indexes and the like are achieved.
5. By adopting the online intelligent analysis system for the intelligent extraction of planning data, the intelligent design of planning charts, the online intelligent release of planning charts, the intelligent management of planning data and the intelligent query and analysis of planning data, the automatic design of a planning data chart acquisition unit, the automatic reminding of a planning data filling task, the full-process monitoring of planning data delivery, the calculation and check management of planning data, the summarization and formatted output of planning data, the comprehensive query and analysis of data and the like can be realized, a complete solution is provided for the planning data acquisition and data management of a power distribution network, the working efficiency and the working quality of planning personnel can be greatly improved, and the planning and management cost of a power grid is reduced.
Drawings
FIG. 1 is a general architecture diagram of a big data management platform for intelligent power distribution network planning;
fig. 2 is a flow chart of a method for planning a big data management platform of the intelligent power distribution network.
The specific implementation mode is as follows:
the invention is described in detail below with reference to the accompanying drawings:
a big data management and control system for intelligent power distribution network planning is shown in figure 1 and comprises: the system comprises a data layer, an application layer, a service layer and a display layer;
by utilizing a power grid heterogeneous database integration technology, a middleware-based information integration technology, an XML-based information integration technology and the like, the whole framework can be integrated in the transverse direction and the longitudinal direction, and power grid planning and design information integration service is realized. The horizontal direction mainly integrates data information between different information systems in a power grid enterprise and external social resource information, and the vertical information integration mainly realizes interactive linkage between various levels of power grids to form a power grid planning design information horizontal and vertical exchange integration system.
The data layer is used for collecting and integrating power distribution network internal power grid information data and external power grid information data, the integrated data format obtains original data by adopting an open basic data interface of each application subsystem according to an RDF template (following SG-CIM standard) mode through an Enterprise Service Bus (ESB) and a data exchange platform (DXP) data exchange technology, a global power grid planning model (including hierarchical relation and topological relation of power grid equipment) is constructed, a basic data dictionary containing the power grid equipment, graphic standards and power grid operation information is established, accurate, real-time and stable data are provided for power distribution network planning, and power distribution network planning evaluation, analysis and prediction are supported.
The data layer is based on power grid information system data in the system, collects data of various professional systems, formulates a power distribution network planning unified data integration and interaction model, and establishes a planning information resource integration platform. The method comprises the steps of integrating professional support systems such as PMS, EMS, GIS, intelligent distribution network operation monitoring, planning plan management, power utilization information acquisition, power quality monitoring, infrastructure management, operation monitoring management and the like, constructing unified data support based on a unified power grid model, wherein the data comprise spatial data, equipment information, customer information, equipment operation information, power grid topology information and the like, carrying out deep data mining through the relation among the data, such as load calculation and load prediction according to time dimension, and making thematic maps of various planning year load predictions on a GIS map. And establishing basic data dictionaries such as power grid equipment, graphic standards (planning drawings, design drawings and operation drawings), operation information and the like through the data, and simultaneously establishing a data quality auditing mechanism, so that the data accuracy is improved, the service development requirements of planning design, project review, technical and technical processes, management and the like are met, and the information isolated island problem of the planning data is solved.
The application layer establishes an intelligent power distribution network planning big data application platform based on multi-source mass basic data of the data layer, carries out evaluation analysis and real-time load actual measurement analysis on the safety and reliability level of the power grid of the province, the utilization efficiency, the equipment condition, the policy environment and other power grid and enterprise current situations, and realizes automatic or semi-automatic report, summary and statistics of a planning chart.
The application layer comprises an application layer server, the application layer server carries out evaluation analysis and real-time load actual measurement analysis on power grid equipment and power grid operation states in a set area based on data of a data layer, real-time data, original measurement data and state information obtained from a system interface are reprocessed according to data specification requirements of power distribution network planning, the application layer server mainly comprises analysis statistics such as power grid scale, power supply quality, a power grid structure, equipment level, power supply capacity, intelligent level and operation condition and evaluation analysis on weak links of the power grid, and panoramic scanning is carried out on the current power grid in real time. And meanwhile, according to the requirement of actual load measurement and analysis, automatic or semi-automatic filling of a power grid load data chart, intelligent operation of planning data, intelligent checking of the planning data, and intelligent statistics and summarization of the planning data are realized.
The application layer server comprises: the system comprises a report server, a model server, a relational database server and a real-time database server;
the report server is used for processing database interaction, responding to client service application, providing various data services, and providing a unified interface for report data management, authority management, report maintenance, access control and plug-in maintenance;
the model server is used for building a data relation model according to the power distribution network model;
the relational database server is used for storing the data relation of the power distribution network and calling the data relation by the report server;
and the real-time database server is used for storing all filled data of the server side and system related configuration.
Various power distribution network planning form templates are set in the report server, and row addition and deletion, optional cell merging and splitting, text frame insertion, graphic object insertion and cell attribute setting operations can be performed according to the power distribution network planning form templates;
carrying out online automatic statistics of the system: and automatically acquiring planning data of the data layer, and automatically filling the data into a power distribution network planning form template.
The intelligent operation of the planning data is specifically as follows: planning table data operation and calculation: the system comprises the functions of inter-table operation, calculation support selection according to conditions, calculation support of cross-report period, date taking, accumulation and the like. The method realizes a formula engine similar to Excel grammar, realizes automatic operation of in-table formulas, inter-table formulas and cross-task formulas, and can automatically and intelligently perform truncation balance according to an operation formula and an audit condition.
The intelligent checking of the planning data specifically comprises the following steps: the system provides a data auditing function and is used for checking whether the filled data meets a certain auditing relation or not and realizing various auditing relations and batch auditing functions in and among tables. The system automatically checks the filled data according to the report template rule, marks the index system which does not accord with the report template rule in a striking way, and automatically positions the index system to the cell.
The intelligent statistics of the planning data specifically comprises the following steps: the system realizes the functions of summarizing data layer by layer, summarizing according to specified conditions and summarizing multiple report forms. The summary of data includes all data for statistical analysis. And inquiring the reporting condition, the auditing condition, the locking condition and the approving condition, listing the inquiry result in a table form by the system, and marking the number of various users. The basic analysis functions of planning a data list, inquiring the project type, printing the project information result and the like based on the power distribution network are realized. The multi-dimensional analysis module provides functions of drilling, rotating, slicing, drilling to other tables and the like, and can obtain data with different granularities; the system supports dialog boxes OLAP and drag-and-drop OLAP, so that analysis is more convenient and flexible.
Intelligently displaying planning data: the method realizes various visual data display forms such as forms, statistical graphs and the like, and has the functions of self-defining report typesetting and editing. The table supports various types of reports such as a transverse floating report, a longitudinal floating report, a cross floating report, a nested floating report, a parallel floating report and the like. Providing a plurality of statistical graph types and styles, the types comprising: bar charts, pie charts, line charts, area charts, bar charts, radar charts, scatter plots, spark lines, dashboards, and the like. The abundant statistical chart types and styles can enable users to define various beautiful reports and lead the cockpit.
Auxiliary compilation of a planning report: the system is internally provided with a distribution network planning outline template, the contents of the distribution network planning data can be quickly imported into the corresponding chapters of the planning book, the automatic generation of the data contents of the planning outline book is formed, the system has the functions of quickly importing and exporting Word and Excel documents or data, and the template can be adjusted according to the requirements of users.
The service layer establishes an intelligent power distribution network planning big data unified cooperative work platform, data information is comprehensively collected, and the intensification and fusion degree of planning service management are practically improved. The method has the advantages that mass data and application resources are fully utilized, seamless connection with a simulation platform is achieved, the operation situation of the simulation power grid is accurately simulated, the planning design scheme is checked on line, the feasible planning design scheme is made, and safe and stable operation of the power grid is guaranteed.
Data interaction is established with a power grid simulation platform, data support is provided for the power grid simulation platform, and simulation of the power grid operation situation is achieved;
synchronizing the real-time data section to a power grid simulation platform, and accurately simulating the running situation of an alternating current/direct current large power grid, extra-high voltage access and a power distribution network to obtain a simulation result of power grid tide and power grid short-circuit current; taking power grid tide, power grid short-circuit current, power grid stability and power grid economic data as planning scheme evaluation indexes, determining index weight by adopting an analytic hierarchy process, and evaluating a planning power grid scheme by using a TOPSIS method;
and performing online comparison and selection on the evaluation results of the plurality of different planned power grid schemes according to a set rule to finally obtain the optimal planned power grid scheme.
And the display layer is based on two-dimensional or three-dimensional integrated GIS display and dynamic index chart display, integrates a multi-screen splicing technology, and realizes centralized display, sharing and information release of the planning and design result.
The display layer is built into a planning big data unified display platform, and the centralized display, sharing and information release of planning and designing results are realized. The method is based on two-dimensional and three-dimensional integrated GIS display and dynamic index chart display, integrates a multi-screen splicing technology, and utilizes a modern information technology to realize multi-level, multi-angle, dynamic, real-time and interactive panoramic information presentation in the forms of characters, charts, videos, animations, interactive experience and the like. The platform provides a large screen version, a PC terminal version, an intelligent mobile terminal version and other forms.
The main functions of the invention include the following:
(1) and (3) collecting data of various professional systems by taking power grid information system data in the system as a basis, formulating a uniform data model, and establishing a planning and designing information resource integration platform. The data resources cover all links of power generation, power transmission, power transformation, power distribution, power utilization, scheduling, information communication and the like, and the problem of information isolated islands in a data layer is solved.
(2) And the comprehensive information application platform for planning and designing the whole power grid process such as the whole energy process, the whole asset life, the all-round customers and the like is realized. Based on GIS and power grid real-time operation monitoring basic data, application integration of the whole power grid production process is carried out, and evaluation and analysis are carried out on the power grid and enterprise current situations such as the safety and reliability level, the utilization efficiency, the equipment condition, the operation condition, the policy environment and the like of the power grid.
(3) The method has the advantages of realizing a unified collaborative working platform for planning and designing, comprehensively collecting planning data information, fully digitalizing auxiliary decision and planning, realizing management intensification, service fusion degree and work height collaboration, fully utilizing mass data and application resources, accurately simulating and simulating the operation situation of the power grid, starting diagnosis and analysis from the aspect of weak links of the power grid, checking a planning scheme in real time, making a feasible planning scheme and ensuring safe and stable operation of the power grid.
(4) And establishing a power grid planning and evaluation and power engineering design and evaluation management platform to realize the whole process management of planning, designing and project evaluation services. The method has the advantages that the process management of power grid planning work plan management, task issuing, reporting and the like is realized, the comprehensive inquiry, statistics, analysis and the like of province, city and county three-level planning are realized, the present situations of the power transmission network and the power distribution network can be clearly, accurately and visually mastered by planners and managers, the comprehensive analysis is carried out on the present situation of the power grid, and a systematic and reliable basis is provided for formulating a power grid planning scheme, optimizing annual construction projects and planning and reviewing. The comprehensive informatization of the review services such as pre-review management, formal review record retention, closing-up review, review opinions (opinion template, auxiliary summary and opinion checking process), general design, manufacturing cost, statistical analysis of review service data, review progress, review monthly report statistics, review plan, review result management and filing and the like is realized.
(5) And a unified display platform for the planning and design is built, and the centralized display, sharing and information release of the planning and design result are realized. The method is based on two-dimensional and three-dimensional integrated GIS display and dynamic index chart display, integrates large-screen and multi-screen fusion and splicing technologies, and utilizes the modern information technology to perform multi-level, multi-angle, dynamic, real-time and interactive panoramic information presentation modes in the forms of characters, charts, videos, animations, interactive experience and the like. The platform provides a plurality of display forms such as a large-screen version, a PC terminal version, an intelligent mobile terminal version and the like.
An implementation method of a big data management and control system for intelligent power distribution network planning is shown in fig. 2, and includes the following steps:
(1) establishing data connection with a PMS production management system, a scheduling EMS system, a power grid GIS system, an intelligent distribution network operation monitoring system, a planning plan management platform, a power utilization information acquisition system, an electric energy quality monitoring system, a thunder and lightning information positioning system, a meteorological information system and a disaster prevention and reduction system through data interfaces respectively to obtain planning source data of the intelligent distribution network;
(2) collecting data of each system, and establishing a planning information resource integration platform; according to a preset data unification and data interaction relation, a global power grid planning model comprising a hierarchical relation and a topological relation of power grid equipment is constructed;
(3) setting a distribution network planning form template, and performing data statistics and real-time load data statistics on the safety and reliability level and the utilization efficiency of the power grid in a set area, the equipment condition and the current situation of an enterprise based on the data resources of the planning information resource integration platform to realize automatic or semi-automatic filling, summarizing and statistics of the distribution network planning form;
(4) establishing data connection with a power grid simulation platform, and simulating the operation situations of an alternating current/direct current large power grid, an extra-high voltage access power grid and a power distribution network based on the acquired source data to obtain simulation results of power grid tide and power grid short-circuit current; taking power grid flow, power grid short-circuit current, data reflecting power grid stability and power grid economy as planning scheme evaluation indexes, determining index weight by adopting an analytic hierarchy process, and evaluating a planning power grid scheme by using a TOPSIS method; wherein, the data reflecting the stability and the economical efficiency of the power grid are selected according to the actual situation. Such as: the power grid dynamic stable voltage, the power grid transient stable voltage, the voltage qualification rate, the line loss rate, the capacity-to-load ratio, the power grid equipment aging rate and the like.
And performing online comparison and selection on the evaluation results of the plurality of different planned power grid schemes according to a set rule to finally obtain the optimal planned power grid scheme.
(5) And displaying and sharing the planning result data of the intelligent power distribution network.
The hierarchical relationship construction main body of the global power grid planning model is consistent with the PMS production management system, and the corresponding relationship between the equipment model of the PMS production management system and the EMS model is established to realize the correspondence with the ledger attribute;
the topological relation construction process of the global power grid planning model is as follows:
the communication between the power transmission and transformation main network model and the distribution network model is realized, the EMS system establishes a complete power transmission and transformation main network model, the distribution network automation provides a part of distribution network models, and the PMS production management system provides a supplemented distribution network model and a low-voltage model;
and performing model splicing on the power transmission and transformation main network model and the distribution network model, establishing a corresponding relation between different models, and performing interactive integration on received data.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims (8)

1. The utility model provides an intelligent power distribution network planning big data management and control system, characterized by includes: the system comprises a data layer, an application layer, a service layer and a display layer;
the data layer collects the internal power grid information data and the external power grid information data of the power distribution network through the data exchange technology of the enterprise service bus and the data exchange platform, and constructs a global power grid planning model comprising the hierarchical relationship and the topological relationship of the power grid equipment; meanwhile, a basic data dictionary containing power grid equipment, graphic standards and power grid operation information is established;
the topological relation construction process of the global power grid planning model is as follows:
the communication between the power transmission and transformation main network model and the distribution network model is realized, a complete power transmission and transformation main network model is established by a scheduling EMS system, a part of distribution network models are provided by distribution network automation, and a PMS production management system provides a supplemented distribution network model and a supplemented low-voltage model;
model splicing is carried out on the power transmission and transformation main network model and the distribution network model, corresponding relations among different models are established, and received data are interactively integrated;
the application layer comprises an application layer server, and the application layer server carries out statistical analysis and real-time load actual measurement analysis on the power grid equipment and the power grid running state in a set area based on the data of the data layer; meanwhile, according to the requirement of the actual measurement and analysis of the load, the automatic or semi-automatic filling and reporting of a power grid load data chart, intelligent operation of planning data, intelligent checking of the planning data and intelligent statistics and summarization of the planning data are realized;
the application layer acquires real-time data of the operation of the power distribution network, original measurement data and power grid operation state data information, extracts and counts relevant data of power grid scale, power supply quality, power grid structure, equipment level, power supply capacity, intelligent level and operation condition after data normalization processing, and performs panoramic scanning on the current situation of the power grid in real time;
establishing a power grid planning and reviewing and power engineering design and reviewing management platform to realize the whole process management of planning, designing and project reviewing services; the comprehensive informatization of pre-review management, formal review record retention, closing up review, review comments, general design, cost, review service data statistical analysis, review progress, review monthly newspaper statistics, review plan, review result management and filing review service is realized;
the service layer is used for providing data support for the power grid simulation platform, performing simulation on the operation situation of the power grid, and selecting a planned power grid scheme according to a simulation result; data interaction is established with a power grid simulation platform, data support is provided for the power grid simulation platform, and simulation of the power grid operation situation is achieved;
synchronizing the real-time data section to a power grid simulation platform, and accurately simulating the running situation of an alternating current/direct current large power grid, extra-high voltage access and a power distribution network to obtain a simulation result of power grid tide and power grid short-circuit current; taking power grid tide, power grid short-circuit current, power grid stability and power grid economic data as planning scheme evaluation indexes, determining index weight by adopting an analytic hierarchy process, and evaluating a planning power grid scheme by using a TOPSIS method;
carrying out online comparison and selection on the evaluation results of a plurality of different planned power grid schemes according to a set rule to finally obtain an optimal planned power grid scheme;
the display layer is based on two-dimensional or three-dimensional integrated GIS display and dynamic index chart display, integrates a multi-screen splicing technology, and realizes centralized display, sharing and information release of planning and designing results.
2. The intelligent power distribution network planning big data management and control system according to claim 1, wherein the power distribution network internal power grid information data comprises: the system comprises power grid related data acquired by a PMS production management system, a scheduling EMS system, a power grid GIS system, an intelligent distribution network operation monitoring system, a planning plan management platform, a power utilization information acquisition system and a power quality monitoring system;
the external power grid information data of the power distribution network comprise: real-time data collected from a lightning information positioning system, a meteorological information system and a disaster prevention and reduction system;
the data layer includes: the system comprises an interface for exchanging data with the system, a data integration module for integrating power grid information data inside the power distribution network and power grid information data outside the power distribution network, a system integration module for integrating with an external power distribution network command system, a marketing and distribution comprehensive information platform, a unified video monitoring system and a power transmission and transformation equipment state detection system, and an enterprise internal resource data module.
3. The intelligent power distribution network planning big data management and control system of claim 1, wherein the application layer server comprises: the system comprises a report server, a model server, a relational database server and a real-time database server;
the report server is used for processing database interaction, responding to client service application, providing various data services, and providing uniform interface operation report data management, authority management, report maintenance, access control and plug-in maintenance;
the model server is used for building a data relation model according to the power distribution network model;
the relational database server is used for storing the data relation of the power distribution network for the report server to call;
and the real-time database server is used for storing all filled data of the server side and the configuration related to the system.
4. The intelligent power distribution network planning big data management and control system of claim 3, wherein various power distribution network planning table templates are set in the report server, and addition and deletion rows and columns, optional merging and splitting of cells, insertion of text frames, graphic objects and setting of cell attributes can be performed according to the power distribution network planning table templates;
carrying out online automatic statistics of the system: and automatically acquiring planning data of the data layer, and automatically filling the data into a power distribution network planning form template.
5. The intelligent power distribution network planning big data management and control system according to claim 4, wherein the intelligent operation of the planning data is specifically as follows: performing data operation of a planning table, wherein the data operation comprises inter-table operation, selective calculation according to conditions, cross-report period operation, top period taking and accumulated operation;
the report server automatically operates according to the in-table formula, the inter-table formula or the cross-task formula, and performs truncation balance according to the operation formula and the auditing conditions.
6. The intelligent power distribution network planning big data management and control system according to claim 1, wherein the intelligent checking of the planning data specifically comprises: checking whether the filled data meets the set checking relation, automatically checking the filled data according to the set report template rule, marking the index data which does not meet the set report template rule, and automatically positioning the index data to the cell.
7. The intelligent power distribution network planning big data management and control system according to claim 1, wherein the planning data intelligent statistics specifically include: summarizing data, summarizing according to specified conditions and summarizing in a multi-report period; the data summarization comprises the steps of carrying out statistical analysis on all data, inquiring reporting conditions, auditing conditions, locking conditions and approving conditions, listing inquiry results in a table form, and marking the number of various data users.
8. An implementation method of the intelligent power distribution network planning big data management and control system according to claim 1, characterized by comprising the following steps:
(1) establishing data connection with a PMS production management system, a scheduling EMS system, a power grid GIS system, an intelligent distribution network operation monitoring system, a planning plan management platform, a power utilization information acquisition system, an electric energy quality monitoring system, a thunder and lightning information positioning system, a meteorological information system and a disaster prevention and reduction system through data interfaces respectively to obtain planning source data of the intelligent distribution network;
(2) collecting data of each system, and establishing a planning information resource integration platform; according to a preset unified data support and data interaction relation, a global power grid planning model comprising a hierarchical relation and a topological relation of power grid equipment is constructed;
the hierarchical relationship construction main body of the global power grid planning model is consistent with the PMS production management system, and the corresponding relationship between the equipment model of the PMS production management system and the EMS model is established to realize the correspondence with the ledger attribute;
the topological relation construction process of the global power grid planning model is as follows:
the communication between the power transmission and transformation main network model and the distribution network model is realized, a complete power transmission and transformation main network model is established by a scheduling EMS system, a part of distribution network models are provided by distribution network automation, and a PMS production management system provides a supplemented distribution network model and a supplemented low-voltage model;
model splicing is carried out on the power transmission and transformation main network model and the distribution network model, corresponding relations among different models are established, and received data are interactively integrated;
(3) setting a distribution network planning form template, and performing data statistics and real-time load data statistics on the safety and reliability level and the utilization efficiency of the power grid in a set area, the equipment condition and the current situation of an enterprise based on the data resources of the planning information resource integration platform to realize automatic or semi-automatic filling, summarizing and statistics of the distribution network planning form;
(4) establishing data connection with a power grid simulation platform, and simulating the operation situations of an alternating current/direct current large power grid, an extra-high voltage access power grid and a power distribution network based on the acquired source data to obtain simulation results of power grid tide and power grid short-circuit current; taking power grid tide, power grid short-circuit current, power grid stability and power grid economic data as planning scheme evaluation indexes, determining index weight by adopting an analytic hierarchy process, and evaluating a planning power grid scheme by using a TOPSIS method;
carrying out online comparison and selection on the evaluation results of a plurality of different planned power grid schemes according to a set rule to finally obtain an optimal planned power grid scheme;
(5) and displaying and sharing the optimized planning power grid scheme.
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