CN101105820A - Electrified wire netting layout computer auxiliary decision-making support system - Google Patents
Electrified wire netting layout computer auxiliary decision-making support system Download PDFInfo
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Abstract
A grid planning computer assistant decision-making supporting system, in the field of computer application technologies, consists of an entity library, a module for the procurement and conversion of GIS graphic data, a user graphic interface module, a system data treatment and maintenance module, a network planning module, a form and graph printing module, and a dynamic link library. The module for the procurement and conversion of GIS graphic data obtains graphic data; the entity library obtains the graphs and geological information data needed by grid planning from the module for the procurement and conversion of GIS graphic data; the network planning module makes plan for the grid and evaluates the planning scheme; the system data treatment and maintenance module enters the data needed in grid planning into the entity library, and maintain parameters of the entity library; data exchange among the modules is realized through the user graphic interface module and the system data treatment and maintenance module. The invention relieves planners of heavy works and lifts the level and efficiency of grid planning.
Description
Technical field
What the present invention relates to is the system in a kind of Computer Applied Technology field, specifically is a kind of electrified wire netting layout computer auxiliary decision-making support system.
Background technology
Geographic Information System (GIS) has obtained using widely in distribution network planning.Utilizing GIS to carry out distribution planning has many advantages: can obtain the position coordinates of electric substation, load point by data access easily, avoid loaded down with trivial details node serial number, branch road number, project setting is flexible, and is visual, the tool interactivity.Many distribution planning softwares based on GIS are arranged at present, realized certain function of GIS more or less, but perfect not enough, their function of tonic chord interface mostly based on general GIS software or assembly (as GeoMedia, ARC/INFO, relate to certain copyright problem when MapInfo etc.), using at the scene; And its graph data and electric network information data mostly need to manage respectively, inquiry maintenance complexity, the network trend after the planning calculate and the idle work optimization process complicated, in case network need change the method for operation, need manual modification network topology data.Generally speaking, ripe based on GIS Electric Power Network Planning and management software also seldom, this respect still has many work to do.
Find through literature search prior art, " based on the Electric Power Network Planning management system development research of GIS " that Qiu Chaoming delivered on " tech enterprises in China " (2007 4 phases), propose in this article and will be used for based on the generalized information system of ARCINFO platform in the middle of the management of Electric Power Network Planning, what this system emphasized is the realization of GIS platform, its weak point is embodied in and does not combine with the concrete characteristics of Electric Power Network Planning, promptly do not have well Electric Power Network Planning work to be combined with the geography information of GIS, comprise contents such as load prediction, substation site selection, the network planning.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of electrified wire netting layout computer auxiliary decision-making support system is provided, make it that existing GIS information is changed into required geographic information data, the network data of planning, and by automatic block identification, present situation net identification automatically, automated topology, the function of layouting is carried out load prediction, the network planning, trend calculating, short circuit calculation and idle work optimization planning to help the planning personnel automatically.Thereby help the planning personnel from hard work, to free, improve the level and the efficient of Electric Power Network Planning.
The present invention is achieved by the following technical solutions, the present invention includes entity storehouse, GIS graph data obtain and conversion module, user graphical interface (GUI) module, system data are handled maintenance module, network planning module, form and graphic printing module, file access dynamic linked library modular.Wherein:
Described GIS graph data obtain and conversion module is realized obtaining of graph data by reading electronic map file, and the data of obtaining are outputed to the entity storehouse;
Described entity storehouse obtains and conversion module reception data from the GIS graph data, form needed figure of Electric Power Network Planning and geographic information data, and from needed other data of user graphical interface (GUI) module acquisition Electric Power Network Planning, these data are preserved, be connected to system data simultaneously and handle maintenance module;
Described network planning module plans electrical network, and programme is assessed, and net result is connected to system data handles maintenance module;
Described form and graphic printing module realize the preview and the printing of form and figure, are connected to system data simultaneously and handle maintenance module;
Described user graphical interface module realizes the man-machine interaction based on figure, and is connected with system data processing maintenance module;
Described file access dynamic linked library modular is the file operation dynamic link library, has File Open, closes, stores, reads, inquires about, data file operation function such as ordering, and be connected with the entity storehouse;
It is that needed other data of Electric Power Network Planning are input to the entity storehouse that described system data is handled maintenance module, and parameter maintenance is carried out in the entity storehouse;
The above-mentioned entity of the present invention storehouse, GIS graph data obtain and conversion module, network planning module, form and graphic printing module, file access dynamic linked library modular between swap data all handle maintenance module and realize by user graphical interface (GUI) module, system data.
In the above-mentioned module of the present invention, the user graphical interface module is the intermediate link of total system, and entity storehouse, GIS graph data obtain and conversion module, file access dynamic linked library modular are the bottom modules of total system, for upper layer module (system data is handled maintenance module, network planning module, form and graphic printing module) provides the data of figure, device attribute and network facet, and upper layer module is the imbody of whole system function.
Described entity storehouse comprises two classes, and a class is the electrical equipment entity class, comprises the high pressure station, the low pressure station, and K type station, bar becomes, circuit, block switch etc., a class is a GIS pel entity class, comprises lines, rectangle, circle, arc, text is filled etc.Each entity class all converges figure paint data and planning computational data all over the body, both can draw, and can be used for analytical calculation again.
Described GIS graph data obtain and the electronic map file of conversion module by the reading DXF form realizes obtaining of graph data.General geographical picture in picture unit mainly contains straight line, polyline, circle and circular arc etc., is recorded in the ENTITY field of DXF formatted file, and the filling of figure is recorded in the HATCH field.Except basic pictorial information, also have figure layer information, figure range information, viewport positional information etc.By reading corresponding pel record, and the entity object of described entity storehouse corresponding types is carried out initialization, just realized the conversion of graph data with its data.In addition, the present situation net also is plotted in the CAD figure usually, for itself and geographical background are distinguished, forms the electrical equipment that " work " is changed, and need discern it, and deposit in the corresponding electrical entity class.Except the identification electrical equipment, also discern block and road data, block data in the past is all by planning personnel's typing in addition on figure, the GIS graph data obtain and conversion module by read identification its block information, can carry out block automatically and divide, and according to the real area of the automatic calculation block of graphical scale, and can fill situation and legend according to block, discern block land used character, saved the workload of block typing and setting widely.May cause the imperfect or a few errors of identification by the CAD pattern error, can revise by adjusting accuracy of identification.
Described user graphical interface module comprises four parts: the menu facility hurdle, and pel category column list area, the primitive attribute servicing area, pel is drawn the district.The selection of various functions is realized on the menu facility hurdle, draws primitive selection etc.; Pel tabulation region class has been listed the electrical equipment among the figure, comprises the original element that identifies from CAD, and the element of new planning, and has element location, delete function; The primitive attribute servicing area is carried out the attribute input and is safeguarded that primitive attribute is provided with different property pages by primitive types, corresponding to different pels choosing element; It is that the user carries out the interactive zone of drawing of mouse that pel is drawn the district, and the component layer is drawn various geographical figures and electrical equipment, the figure layer has geographic map layer and electrical equipment figure layer two class, and geographic map layer information source is in cad file, and the electric diagram layer is then self-built according to needs by the user.Functions such as pel draws that the district has selection, deletion, scaling, moves, roaming, frame are selected, duplicate, stickup.Except that pel was drawn the district, all the other zones all can be floated, stop, be hidden, and select suitable view to make things convenient for the planning personnel.Also can carry out the manual amendment by the identification mistake that the CAD pattern error is caused, imperfect or divide unreasonable as block identification, except that can revising, also the error-zone block delete can be drawn the district by the manual drawing method at pel again and is made amendment by the adjustment accuracy of identification.
Described system data is handled maintenance module and has been formed the component parameters storehouse, can carry out the typing and the maintenance of component parameters easily.As long as select its component type can obtain required correlation parameter,, only need increase respective element and parameter thereof in the entity storehouse, to get final product for each electrical equipment for the newtype element.This can save the work of the setting of a large amount of discrete component parameters, not only can save workload, also the shortcoming that can avoid manual entry easily to make mistakes.
Described network planning module comprises five submodules: load prediction module, substation location and network rack wire module, generate topography module, trend computing module, idle work optimization module automatically.These several modules are performed in order, described load prediction module is carried out load prediction on GIS information translation and block base of recognition, network analysis provides the load data on basis, and the result outputed to substation location and network rack wire module, substation location and network rack wire module carry out substation location and network stringing according to load prediction, for providing transformer station and network, network analysis distributes, and the result outputed to automatic generation topography module, automatically generating topography module generates topology automatically and the result is outputed to the trend computing module according to transformer station and network distribution, the trend computing module carries out trend according to the topology that generates and calculates, and the result outputed to the idle work optimization module, the idle work optimization module is carried out idle work optimization according to calculation of tidal current, simultaneously intermediate result and net result is printed output.
Described load prediction module, adopt load density method and per capita coulometry carry out load prediction.Load density method is predicted according to the classification and the block area of block land used character, and coulometry adopts block population and per capita household electricity consumption to calculate per capita, load density method is easy to obtain because have basic data, be easy to adapt to advantage such as the variation of city planning scheme and dirigibility be strong, and often be used.Since subregion, area, land used type all by the generalized information system data obtain and conversion module is discerned automatically, thereby typing work that need not be special has high automatization level.Load prediction results can be presented in the figure.
Described substation location and network rack wire module: according to the capacity of load prediction results, block information and high pressure station, low pressure station, K type station, bar change, capacity-load ratio, the The data particle cluster algorithms such as road graticule that identify are layouted and Wiring optimization automatically, and draw its radius of electricity supply (can select to hide).For the high pressure station, also can draw its back panel wiring automatically, and can make amendment according to its station internal wiring mode and connection situation according to actual conditions, by automatic mapping, alleviated the drawing workload greatly.
Described automatic generation topography module: be a big characteristic of native system, the distribution planning system needed artificial fan-in network to connect data, component parameters etc. usually in the past.Automated topology adopts degree of depth breadth first search method, and the port by certain element judges this element with which element links to each other, formation branch road summary information at the coordinate figure of electric network wiring scheme.Except these link informations, the attribute information of element, as impedance, information such as no-load voltage ratio also are put in the corresponding topology information by automatic search related elements parameter, so that finally generate bus admittance matrix, for other module invokes.Automated topology also has a big advantage to be, when system operation mode changes, only needs the corresponding block switch of folding, and automatically existing topology being made amendment gets final product.Can make planning system carry out trend like this under different management and running modes calculates and idle work optimization.Topological data comprises five base tables: connect table, node table, circuit table, transformer table, capacitance meter.
Described trend computing module: have Newton method and PQ decoupling method, the trend computing module has adopted node numbering optimization, sparse and quick former generation back substitution technology, has very fast computing velocity.Trend is calculated basic data and is generated in load prediction and automated topology function, need not extra data input, and the system maintenance amount greatly reduces.
Described idle work optimization module: adopt newton's interior point method, can carry out the planning of capacitance compensation according to load condition, and have the load level set-up function.
Described form and graphic printing module realize the preview and the printing function of form and figure.Native system has changed into the CAD figure self entity storehouse, and plans on this, so system itself has printing function, and can need not be carried out to figure and printing under CAD or call third party's control as other planning softwares.
Described file access dynamic linked library modular is the file operation dynamic link library, has File Open, closes, stores, reads, inquires about, data file operation function such as ordering.Compare with using database, need not to buy business database, easy to install, to operate because of need not to carry out lot of data such as data mining, service efficiency also is not less than Database Systems.
Compared with prior art, the present invention has carried out tight thinking to the overall process of Electric Power Network Planning, convenience and security that friendly, data and the figure of comprehensive, the user interface of system function design are safeguarded have been guaranteed, have increasingly automated, intelligentized characteristics, can help the planning personnel from hard work, to free, improve the work efficiency of distribution planning greatly.The present invention adopts object oriented language VC++, the modularity of system, and encapsulation property, extensibility, upgradability have obtained abundant assurance.Simultaneously, owing to the dependence of having avoided third party software and business database, system has the lower use cost and the wider scope of application.
Description of drawings
Fig. 1 is a system architecture diagram of the present invention
Fig. 2 is a system entity library structure block diagram of the present invention
Fig. 3 is the high pressure of the present invention station mode of connection and basic parameters selection surface chart
Fig. 4 groundwork process flow diagram of the present invention
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is that prerequisite is implemented with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises that obtaining of entity storehouse, GIS graph data and conversion module, user graphical interface (GUI) module, system data handle maintenance module, network planning module, form and graphic printing module, file access dynamic linked library modular.Wherein the entity storehouse on the one hand from the GIS graph data obtain and conversion module obtains needed figure of planning and geographic information data; On the other hand, import other by system data processing maintenance module by user graphical interface (GUI) module and plan needed data; The GIS graph data obtain and conversion module obtains needed figure of Electric Power Network Planning and geographic information data by identification and processing to electronic chart; Network planning module comprises that load prediction, substation location and network stringing, automated topology analysis, trend are calculated, idle work optimization is that electrical network is planned, and then programme is assessed.These are that order is performed from module, and the result of planning is sent to system data and handles maintenance module; Form and graphic printing module are according to forming form and printing with the planning footing.Simultaneously, also the program results graphic printing can be come out; User graphical interface (GUI) module is the interface of man-machine interaction; System data is handled link between the maintenance module total system, by user graphical interface (GUI) module, finishes the data interaction between other each modules; It is that needed other data of Electric Power Network Planning are input to the entity storehouse that described system data is handled maintenance module, and parameter maintenance is carried out in the entity storehouse.
1, the entity storehouse from the GIS graph data obtain and conversion module receives data, form needed figure of Electric Power Network Planning and geographic information data, and be connected to system data and handle maintenance module;
The entity storehouse has defined the needed minimum electrical appliance of realization Electric Power Network Planning.As shown in Figure 2, when adopting object oriented programming languages, at first define entity class, be divided into electrical entity class and GIS entity class two parts.
1) electrical entity class submodule has been described the public attribute of all electrical equipments, comprise figure and parameter, it also is the base class of all electrical equipment classes, and entities such as high pressure station, low pressure station, K type station, bar change, block switch, circuit are the subclasses of electrical entity class, are the specific descriptions of electrical equipment;
2) GIS entity class submodule is the description to geography information, and broken line, rectangle, text, filling, circle, arc are that concrete geography information realizes, by these basic pels combinations can be complete the expression geography information;
2, obtaining of GIS graph data and obtaining of conversion module realization geodata.Plan that used geographic map generally is that form by CAD figure provides, on this CAD figure, can not carry out Electric Power Network Planning and analytical calculation, must convert to and calculate needed electrical wiring data.This module manages the figure layer of CAD, and the electric diagram layer is debated knowledge, forms needed electrical equipment connection layout and the corresponding geographical information calculated; Simultaneously, this module can form geographical block according to the road traffic line, can edit this geographical block, as the basis of load forecast of distribution.
3, the user graphical interface module realizes the man-machine interaction based on figure, comprises menu facility hurdle, list area, attribute area and graphic plotting district.
1) basic operation of native system is realized on the menu facility hurdle, and menu item comprises system management, demonstration, raw data, load prediction, the network planning, substation site selection, analytical calculation, evaluation index etc.
A) system management is that certain authority is set in the use of native system, comprises contents such as password setting and management;
B) the display menu item is that displaying contents to native system defines, and comprise showing node voltage, circuit trend, isolated island, and the figure layer can define different contents such as Show Color;
C) the raw data menu item is some raw data such as unit type data, electric pressure data to be edited operation-interface is provided;
D) the load prediction menu item is to carry out load prediction on the basis that forms block, and can check the result of load prediction;
E) thus network planning menu item comprises network identification, parameter setting carries out the network planning;
F) the substation site selection menu item is to comprise layouting automatically and the content such as layout automatically at K station of transformer station;
G) the analytical calculation menu item provides Electric Power Network Planning needed fundamental analysis instrument, comprises trend calculating, calculation of short-circuit current, idle work optimization;
H) the evaluation index menu item comprises the various aspects of programme is assessed needed index, comprises reliability index, short-circuit current index, power supply capacity index, power quality index, economic index overall target;
K) toolbar comprises three kinds on system management, show toolbar and drawing instrument hurdle;
2) list area is arranged according to type or affiliated transformer station all electrical equipments, and can locate and delete element;
3) attribute area can be provided with the attribute with query facility, comprises the one-tenth group polling of equipment;
4) the graphic plotting district shows geographic map and electrical equipment wiring diagram, can edit interpolation, deletion, mobile electric equipment element to the electrical equipment wiring diagram.
4, system data maintenance module is carried out parameter maintenance to the entity storehouse, can realize functions such as the selection of electrical equipment attribute and categorical data typing, transformer station's mode of connection and automatic mapping.
1) the attribute data typing of electrical equipment is by double-click this electrical equipment under editing mode, when attribute area shows the pairing attribute column of this electrical equipment, attribute data is added or revises;
2) the categorical data typing of electrical equipment is to pass through the form typing of form in the raw data menu;
3) mode of connection at high pressure station is selected as shown in Figure 3, selects the contents such as the mode of connection, transformer type and electric pressure at high pressure station respectively;
4) after the mode of connection at high pressure station was determined, native system carried out automatic mapping;
5, network planning module is the core content of native system, electrical network is planned, and programme is assessed.Network planning module comprises load prediction submodule, substation location and network stringing submodule, generates topological submodule, trend calculating sub module, idle work optimization submodule automatically.
Described load prediction module can be planned the load prediction in zone according to the automatic block identifying information of native system, and Forecasting Methodology is load density target method and coulometry per capita.
The capacity that described substation location and network stringing can become according to load prediction results, block information and high pressure station, low pressure station, K type station, bar, capacity-load ratio, the The data particle cluster algorithms such as road graticule that identify are layouted and the function of Wiring optimization automatically.
Described automated topology adopts degree of depth breadth first search method, and the port by certain element judges this element with which element links to each other, the attribute information of formation branch road summary information and element at the coordinate figure of electric network wiring scheme.
Described trend computing module adopts Newton method and PQ decoupling method, and the trend computing module has adopted node numbering optimization, sparse and quick former generation back substitution technology, has very fast computing velocity.Trend is calculated basic data and is generated in load prediction and automated topology function, need not extra data input, and the system maintenance amount greatly reduces.
Described idle work optimization module adopts newton's interior point method, can carry out the planning of capacitance compensation according to load condition, and have the load level set-up function.
Network planning module flow process is carried out in order, as shown in Figure 4.At first, the identification of GIS data-switching and block the basis on, the load prediction module is carried out load prediction, network analysis provides the load data on basis, and the result outputed to substation location and network rack wire module, substation location and network rack wire module carry out substation location and network stringing according to load prediction, for providing transformer station and network, network analysis distributes, and the result outputed to automatic generation topography module, automatically generating topography module generates topology automatically and the result is outputed to the trend computing module according to transformer station and network distribution, the trend computing module carries out trend according to the topology that generates and calculates, and the result outputed to the idle work optimization module, the idle work optimization module is carried out idle work optimization according to calculation of tidal current, simultaneously intermediate result and net result is printed output.
6, form and graphic printing module provide the printing function of figure and form, comprise geographic map and electric hookup;
7, the file access dynamic linked library modular provides the operation-interface of data file, has File Open, closes, stores, reads, inquiry, ranking function.
The present invention changes into required geographic information data, the network data of planning with existing GIS information, and by automatic block identification, present situation net identification automatically, automated topology, the function of layouting is carried out load prediction, the network planning, trend calculating, short circuit calculation and idle work optimization planning to help the planning personnel automatically.Thereby help the planning personnel from hard work, to free, improve the level and the efficient of Electric Power Network Planning.
Claims (10)
1. electrified wire netting layout computer auxiliary decision-making support system, it is characterized in that comprising: entity storehouse, GIS graph data obtain and conversion module, user graphical interface module, system data are handled maintenance module, network planning module, form and graphic printing module, file access dynamic linked library modular, wherein:
Described GIS graph data obtain and conversion module is realized obtaining of graph data by reading electronic map file, and the data of obtaining are outputed to the entity storehouse;
Described entity storehouse obtains and conversion module reception data from the GIS graph data, form needed figure of Electric Power Network Planning and geographic information data, and obtain except that the graph data external power grid from the user graphical interface module and to plan needed data, these data are preserved, be connected to system data simultaneously and handle maintenance module;
Described network planning module plans electrical network, and programme is assessed, and net result is connected to system data handles maintenance module;
Described form and graphic printing module realize the preview and the printing of form and figure, are connected to system data simultaneously and handle maintenance module;
Described user graphical interface module realizes the man-machine interaction based on figure, and is connected with system data processing maintenance module;
Described file access dynamic linked library modular is the file operation dynamic link library, has File Open, closes, stores, reads, inquiry, ranking function, and handle maintenance module with system data and be connected;
Described system data is handled and is safeguarded that mould is input to the entity storehouse with the needed data of Electric Power Network Planning, and parameter maintenance is carried out in the entity storehouse;
Above-mentioned entity storehouse, GIS graph data obtain and conversion module, network planning module, form and graphic printing module, file access dynamic linked library modular between handle maintenance module by user graphical interface module, system data and realize swap data.
2. electrified wire netting layout computer auxiliary decision-making support system as claimed in claim 1, it is characterized in that, described entity storehouse is made of electrical equipment entity class and GIS pel entity class, each entity class all converges figure paint data and planning computational data all over the body, can be used for drawing, can be used for analytical calculation again.
3. electrified wire netting layout computer auxiliary decision-making support system as claimed in claim 1, it is characterized in that, described generalized information system data obtain and the electronic map file of conversion module by the reading DXF form realizes obtaining of graph data, and the present situation net discerned, form the electrical equipment that " work " is changed, except that the identification electrical equipment, also discern block and road data, can carry out block automatically divides, and according to the real area of the automatic calculation block of graphical scale, and according to the filling situation and the legend of block, identification block land used character.
4. electrified wire netting layout computer auxiliary decision-making support system as claimed in claim 1 is characterized in that, described user graphical interface module comprises four parts: menu facility hurdle, pel category column list area, primitive attribute servicing area, pel are drawn the district,
Selection, the drafting primitive selection of various functions realized on described menu facility hurdle;
Described pel tabulation region class has been listed the electrical equipment among the figure, comprises the original element that identifies from CAD, and the element of new planning, and has element location, delete function;
Described primitive attribute servicing area is carried out the attribute input and is safeguarded that primitive attribute is provided with different property pages by primitive types, corresponding to different pels choosing element;
It is that the user carries out the interactive zone of drawing of mouse that described pel is drawn the district, and the component layer is drawn various geographical figures and electrical equipment, the figure layer has geographic map layer and electrical equipment figure layer two class, geographic map layer information source is in cad file, the electric diagram layer is then self-built according to needs by the user, and pel draws that the district has selection, deletion, scaling, moves, roaming, frame are selected, duplicate, paste functionality;
Above-mentioned four parts, except that pel was drawn the district, all the other zones all can be floated, stop, be hidden.
5. electrified wire netting layout computer auxiliary decision-making support system as claimed in claim 1, it is characterized in that, described system data is handled maintenance module parameter maintenance is carried out in the entity storehouse, need only its component type of selection for each electrical equipment and can obtain required parameter, for the newtype element, only need to increase respective element and parameter thereof in the entity storehouse.
6. electrified wire netting layout computer auxiliary decision-making support system as claimed in claim 1, it is characterized in that, comprise: the load prediction module, substation location and network rack wire module, automatically generate topography module, the trend computing module, the idle work optimization module, these several modules are carried out in order, described load prediction module is carried out load prediction on GIS information translation and block base of recognition, network analysis provides the load data on basis, and the result outputed to substation location and network rack wire module, substation location and network rack wire module carry out substation location and network stringing according to load prediction, for providing transformer station and network, network analysis distributes, and the result outputed to automatic generation topography module, automatically generating topography module generates topology automatically and the result is outputed to the trend computing module according to transformer station and network distribution, the trend computing module carries out trend according to the topology that generates automatically and calculates, and the result outputed to the idle work optimization module, the idle work optimization module is carried out idle work optimization according to calculation of tidal current, simultaneously intermediate result and net result is printed output.
7. electrified wire netting layout computer auxiliary decision-making support system as claimed in claim 6, it is characterized in that, described load prediction module is planned the load prediction in zone according to automatic block identifying information, load density target method and coulometry are per capita adopted in load prediction, described load density method predicts that according to the classification and the block area of block land used character described coulometry per capita adopts block population and per capita household electricity consumption to calculate.
8. electrified wire netting layout computer auxiliary decision-making support system as claimed in claim 6, it is characterized in that, the capacity that described substation location and network rack wire module become according to load prediction results, block information and high pressure station, low pressure station, K type station, bar, capacity-load ratio, the road graticule The data particle cluster algorithm that identifies are layouted automatically and Wiring optimization, and are drawn its radius of electricity supply.
9. electrified wire netting layout computer auxiliary decision-making support system as claimed in claim 6, it is characterized in that, described automatic generation topography module adopts degree of depth breadth first search method, port by certain element judges at the coordinate figure of electric network wiring scheme this element with which element links to each other, and forms the branch road summary information, except these link informations, the attribute information of element also is put in the corresponding topology information by automatic search component parameters, so that finally generate bus admittance matrix, for other module invokes.
10. electrified wire netting layout computer auxiliary decision-making support system as claimed in claim 6 is characterized in that, described trend computing module adopts Newton method and PQ decoupling method to carry out trend and calculates, and has adopted node numbering optimization, sparse and quick former generation back substitution technology; Described idle work optimization module adopts newton's interior point method, carries out the planning of capacitance compensation according to load condition, and carries out load level and set.
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