CN103093024B - A kind of planning power grid visualization methods of exhibiting based on WEBGIS - Google Patents
A kind of planning power grid visualization methods of exhibiting based on WEBGIS Download PDFInfo
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Abstract
The invention provides a kind of planning power grid visualization methods of exhibiting based on WEBGIS, comprise the following steps: load background map information; Read the grid equipment parameter in Electric Power Network Planning database, automatically generate planning electrical network geographical wiring diagram; Mark grid equipment information; Open running mode data storehouse, draw the electrical network geographical wiring diagram of the selected method of operation; The selected status information of equipment of the method for operation of mark and the calculation of tidal current of the selected method of operation.The present invention utilize WEBGIS realize on geographical background figure plan in plant stand and circuit coordinate function is set, namely drawn the coordinate editor of plant stand and planning circuit intuitively in the enterprising professional etiquette of background map by WEBGIS, geographical background figure carries out the geographical wiring diagram marking Function in programme, is labeled on geographical wiring diagram by the customizing messages in database.The method is simple and reliable, easily performs.
Description
Technical field
The invention belongs to power transmission network technical field, be specifically related to a kind of planning power grid visualization methods of exhibiting based on WEBGIS.
Background technology
Electric Power Network Planning analytical calculation be ensure Electric Power Network Planning, design, construction run smooth and realize electrical network safe and stable operation basis.Electric Power Network Planning work is the originality work that one technical, theoretical property is stronger, is a very complicated systems engineering.Electric Power Network Planning is on the basis that Load Prediction In Power Systems and electric power system power source are now drawn, and to the development plan that the rack of electrical network is made, is an important component part of Power System Planning.Guo Wang company has issued " State Grid Corporation of China's Study on Power Grid Planning content depth regulation " (national grid rule [2003] No. 312 files) in 2003, specify that the concrete depth requirements of planning and design comprising policy guideline and main principle, electrical network present situation, electric power demand forecasting, power source planning, balance of electric power and ener, power network planning scheme and electric network composition demonstration, electrically calculating, power transmission and transformation construction project and investment estimate etc.So the complicacy of Electric Power Network Planning shows that it has that scale is large, uncertain factor is many, relates to department and the feature such as professional domain is wide.Therefore, need the information of collecting to involve a wide range of knowledge during Electric Power Network Planning, comprise load prediction, power source planning and present situation electrical network etc. information.
During Electric Power Network Planning, Electric Power Network Planning personnel not only will possess higher professional knowledge, also need the mass data information had needed for Electric Power Network Planning simultaneously.Bulk information needed for current Electric Power Network Planning mainly adopts the management mode of paper document with traditional or electronic document.Along with constantly carrying out of planning, the data of carrying out the work in advance systematically do not remain, later stage data separate efficiency of carrying out the work is not high, simultaneously the order of accuarcy of data and technician's level, line voltage grade simulate the level of detail, have much relations with the data resource that commensurate does not grasp.In addition, due to historical reasons, part Electric Power Network Planning and the scheduling model of specialty in load, the actual unit that puts into operation etc. and parameter there are differences.Therefore the accuracy of Electric Power Network Planning information needed and reliability are difficult to ensure, incompatible with current electric grid planning information its construction level, are difficult to the new situations adapting to the planning of current extra-high voltage grid.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of planning power grid visualization methods of exhibiting based on WEBGIS, utilize WEBGIS realize on geographical background figure plan in plant stand and circuit coordinate function is set, namely drawn the coordinate editor of plant stand and planning circuit intuitively in the enterprising professional etiquette of background map by WEBGIS, geographical background figure carries out the geographical wiring diagram marking Function in programme, is labeled on geographical wiring diagram by the customizing messages in database.The method is simple and reliable, easily performs.
In order to realize foregoing invention object, the present invention takes following technical scheme:
A kind of planning power grid visualization methods of exhibiting based on WEBGIS is provided, said method comprising the steps of:
Step 1: load background map information;
Step 2: read the grid equipment parameter in Electric Power Network Planning database, generates planning electrical network geographical wiring diagram automatically;
Step 3: mark grid equipment information;
Step 4: open running mode data storehouse, draws the electrical network geographical wiring diagram of the selected method of operation;
Step 5: the selected status information of equipment of the method for operation of mark and the calculation of tidal current of the selected method of operation.
In described step 1, the background geographical wiring diagram of loading returns from map server with graphic form.Described step 1 comprises the following steps:
Step 1-1: client adds the map background layer of map server;
Step 1-2: map initial coordinate and scale value are set;
Step 1-3: create mechanical floor and be superimposed upon on described map background layer.
Described step 2 comprises the following steps:
Step 2-1: client sends spanned file request by WEBSERVICES to WEB server;
Step 2-2:WEB server reads corresponding data according to spanned file request from database server, generates corresponding file, and corresponding file is saved in WEB server;
Step 2-3:WEB server generates XML file, and calls client and respond, by client downloads XML file;
Step 2-4: analyzing device parameter, more corresponding primitive types is set according to the type of plant stand and circuit, and described pel is added in equipment layer.
Described device parameter comprises the latitude and longitude coordinates of plant stand, electric pressure, place layer and plant stand type.
Described step 4 comprises the following steps:
Step 4-1: in described Electric Power Network Planning Basis of Database, the method for operation that selected planning power grid visualization is shown, and from database server downloading-running mode data;
Step 4-2: parsing operation mode data, update the equipment according to the running status of various kinds of equipment in running mode data storehouse the state of layer, in running mode data storehouse, whole operations of equipment in plant stand and passway for transmitting electricity, part are run or are all stopped transport and adopt different colors and line style to represent;
Step 4-3: under the open mode of running mode data storehouse, by mouse pointing devices on map, arranges and preserves equipment method of operation state.
Described step 5 comprises the following steps:
Step 5-1: client sends request, the annotation results that the needs reading current interface display upgrade;
Step 5-2: client reception result, searches relevant device at mechanical floor, and is method of operation information or calculation of tidal current by equipment annotation content update.
Compared with prior art, beneficial effect of the present invention is:
1. utilize WEBGIS to realize planning that the plant stand of electrical network and circuit coordinate arrange function on geographical background figure, on background map, namely shown the information such as the trend of the planning electric network composition of electrical network and the issue of plant stand and power transmission line by WEBGIS intuitively;
2. draw the information labeling function of electrical network in the enterprising professional etiquette of geographical background figure, be labeled on electrical network geographical wiring diagram by the customizing messages in database;
3. can show the geographical wiring diagram of the planning electrical network of different programme on geographical background figure, realize intuitively comparing of different programme;
4., by the operation of equipment and retired time and the combination with the fixed time, extract qualified data, form the various electrical network geographical wiring diagrams meeting specific demand;
5. the method is simple and reliable, easily performs.
Accompanying drawing explanation
Fig. 1 is geographical wiring diagram mark process flow diagram in the embodiment of the present invention;
Fig. 2 is the relation schematic diagram of layout data and data dispatching in Electric Power Network Planning database in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
What the layout data of electrical network, 2 ~ 3 years rolling calculation data and management and running data were stated is same electrical network different times.Layout data is the description to present situation electrical network future, and it should derive from from existing electrical network, by going into operation to equipment between planning year now, change that is retired and that cause because of scrap build modifies a new system of generation.Within 2 ~ 3 years, rolling calculation data are also just according to electrical network short-term construction situation, estimate the change of nearly 2 ~ 3 years electrical networks, the calculating data of formation.It can think a layout data, and just relative to planning, its data are more accurate, and the commissioning date is determined more.These data coordinate load prediction again, are aided with load distribution rule, can produce 2 ~ 3 rolling datas, Electric Power Network Planning data very accurately easily.Operation, 2 ~ 3 years rolling datas and layout data are put together, by upgrading in time of device data different phase, the requirement of scheduling and planning Liang Ge department can be met easily, the workload of reduced data management, solve and run the problem inconsistent with layout data, improve the confidence level and manageability that calculate.
WEBGIS is a carrier of database, and the platform of man-machine interaction, for the information in database is presented to user, provides an object obtaining operation intuitively to user, the interface of the information of display and amendment.
For SuperMap, utilize MyMap.Layers.Insert (0, Layer), planning apparatus layer is added in Background.
Device coordinate in database takes out and passes to client by the WEBSERVICE utilizing C# to develop, the newly-built Feature function new Object of client call SuperMap, and according to passing display type and the coordinate of optimum configurations figure metasymbol back.Plant stand in planning and line code are inserted in equipment layer by the layer.AddFeature function calling SuperMap again, and the planning electrical network realized based on WEBGIS is shown.
The function realized is as follows:
(1) by electrical network geographical wiring diagram system, the coordinate realizing plant stand circuit arranges function
Call coordinate setting module in WEBGIS, the value of preserving in database is arranged to by specifying the coordinate of pel, for SuperMap, the new coordinate calling m_Feature.Geometry=newGeoPoint (m_Point.X, m_Point.Y) to arrange planning plant stand or circuit flex point changes and the variation of circuit flex point to the plant stand address realized in programme.
(2) geographical wiring diagram marking Function
For Fig. 1, geographical wiring diagram marks the installed capacity of plant stand, power transformation capacity, line length, circuit model and calculation of tidal current.
For SuperMap, the type of Feature object is set to TextStyle, and the Text property value arranging TextStyle is the mark value that will show, marking Function map being planned plant stand and circuit can be realized.
Electric Power Network Planning database comprises data dispatching and layout data, and as Fig. 2, data dispatching stores the control system parameter etc. of present situation electrical network plant stand, power transmission and transforming equipment and power transmission and transforming equipment; The out of Memory needed for plant stand, power transmission and transforming equipment and Electric Power Network Planning that planning database storage planning electrical network will be gone into operation within project period.Present situation electrical network is the basis of planning electrical network, and therefore data dispatching provides present situation electric network information for layout data, comprises the control information of network structure, power transmission and transforming equipment parameter and power transmission and transforming equipment; The information such as plant stand, power transmission and transforming equipment that layout data provides go into operation in Electric Power Network Planning for 2 ~ 3 years for method of operation Rolling Planning research in 2 ~ 3 years.
The convenience that WEBGIS directly can carry out database manipulation by browsers such as IE utilizes in planning process by the present invention, and original decentralized data are carried out unified management.
(1) WEBGIS client does not need to install complicated GIS software, can realize cross-platform operation by access such as browsers;
(2) for Electric Power Network Planning worker provides the visual presentation platform of planning electrical network geographical wiring diagram.Intuitively can understand the planning structure of electrical network, the installed capacity of generating plant, the power transformation capacity of transformer station, line length and trend by this platform, show the evolution process etc. of planning electrical network intuitively.In addition, can be Electric Power Network Planning by the interpolation plant stand of this platform and the function of circuit and provide the aid that builds different power network planning schemes.
(3) essential information needed for Electric Power Network Planning provides storage platform;
Electric Power Network Planning database is for storing Electric Power Network Planning information needed, by the maintenance to Electric Power Network Planning database, make Electric Power Network Planning database as the exclusive source of Electric Power Network Planning information needed, avoid Electric Power Network Planning Information personalization and lack of standardizationization in the past and preserve the problems such as differ in the Electric Power Network Planning Back ground Information source of bringing, reliability and poor accuracy;
(4) for the reservation of Electric Power Network Planning achievement provides platform;
In order to ensure to plan that electrical network can meet the demand of future electrical energy load, also must ensure the safety of electrical network, economical operation, Electric Power Network Planning is a process upgraded of constantly rolling simultaneously, and the result of Electric Power Network Planning is using the input as Electric Power Network Planning next time each time.Therefore, in order to ensure the science of Electric Power Network Planning, Electric Power Network Planning database not only can store the Back ground Information needed for Electric Power Network Planning, also needs the object information storing Electric Power Network Planning simultaneously.
(5) for the exchange of electrical network and power transmission and transforming equipment information provides platform with shared;
The information describing power transmission and transforming equipment in electrical network and electrical network is all sidedly difficult to owing to calculating data, so with maintenance calculations data or safeguard that the pattern of electrical form is under the pattern safeguarding electrical network and grid equipment information, there is certain difficulty with sharing in the exchange of information.The foundation of Electric Power Network Planning database, can provide convenient for the exchange of planning electrical network and power transmission and transforming equipment information with shared.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (1)
1., based on a planning power grid visualization methods of exhibiting of WEBGIS, it is characterized in that: said method comprising the steps of:
Step 1: load background map information;
Step 2: read the grid equipment parameter in Electric Power Network Planning database, generates planning electrical network geographical wiring diagram automatically;
Step 3: mark grid equipment information;
Step 4: open running mode data storehouse, draws the electrical network geographical wiring diagram of the selected method of operation;
Step 5: the selected status information of equipment of the method for operation of mark and the calculation of tidal current of the selected method of operation;
In described step 1, the background map information of loading returns from map server with graphic form;
Described step 1 comprises the following steps:
Step 1 ?1: client adds the map background layer of map server;
Step 1 ?2: map initial coordinate and scale value are set;
Step 1 ?3: create mechanical floor and be also superimposed upon on described map background layer;
Described step 2 comprises the following steps:
Step 2 ?1: client sends spanned file request by WEBSERVICES to WEB server;
Step 2 ?2:WEB server read corresponding data according to spanned file request from database server, generate corresponding file, and corresponding file be saved in WEB server;
Step 2 ?3:WEB server generate XML file, and call client and respond, by client downloads XML file;
Step 2 ?4: analyzing device parameter, more corresponding primitive types is set according to the type of plant stand and circuit, and described pel is added in equipment layer;
Described device parameter comprises the latitude and longitude coordinates of plant stand, electric pressure, place layer and plant stand type;
Described step 4 comprises the following steps:
Step 4 ?1: in described Electric Power Network Planning Basis of Database, the method for operation that selected planning power grid visualization is shown, and from database server downloading-running mode data;
Step 4 ?2: parsing operation mode data, update the equipment according to the running status of various kinds of equipment in running mode data storehouse the state of layer, in running mode data storehouse, whole operations of equipment in plant stand and passway for transmitting electricity, part are run or are all stopped transport and adopt different colors and line style to represent;
Step 4 ?3: under the open mode of running mode data storehouse, by mouse pointing devices on map, arrange and preserve equipment method of operation state;
Described step 5 comprises the following steps:
Step 5 ?1: client sends request, read current interface display needs upgrade annotation results;
Step 5 ?2: client reception result, search relevant device at mechanical floor, and be method of operation information or calculation of tidal current by equipment annotation content update.
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