CN109410087A - A Realization Method of Power Grid Resource Spatial Information Service Based on D5000 System - Google Patents
A Realization Method of Power Grid Resource Spatial Information Service Based on D5000 System Download PDFInfo
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Abstract
The invention discloses a method for realizing power grid resource space information service based on a D5000 system, which comprises the following steps: from the perspective of spatial information service, the power grid resource data is divided into two types, one type is point data, such as a power plant, a transformer substation and the like; one type is line type data such as ac lines, dc lines, etc. And confirming whether the point-type power grid resource data has geographic coordinate information or not. And for the line type power grid resource data, determining whether corresponding tower information and geographical coordinate information of the tower exist, and if not, determining whether the connection relation of the corresponding point type power grid resource data exists. And the power grid resource space information service acquires corresponding point type or line type equipment according to the requested parameters, acquires specified attribute field and geographic coordinate data, and assembles the data into a text in a GeoJSON format to feed back to the service requester.
Description
Technical field
The present invention relates to a kind of implementation methods of power network resources spatial Information Service based on D5000 system, belong to electric power
Field of automation technology.
Background technique
The exploitation of GIS (referring to GIS-Geographic Information System, hereafter illustrating again) display module in D5000 system be initially and
The cooperation of third party GIS producer is completed, and there is the spatial database of oneself in third party GIS producer, first to be carried out to grid equipment geographical
Information builds library, after the grid equipment geography information of acquisition, it is also necessary to the other attribute datas of grid equipment in D5000 system
Docking matching is carried out, realizes that GIS is shown.The implementation of this GIS display module, the development cost and data maintenance of consuming
Cost is relatively high.
Later, the mode developed cooperatively with third party GIS producer is abandoned, has built and has retouched in the database of D5000 system
The table of point device and line equipment geography information is stated, such mode gets rid of the geography information and attribute information difference of grid equipment
Situation about being placed in two libraries, but geography information and attribute information have also been placed in two tables in a library, for data
It is not still quite reasonable for maintenance work.
Summary of the invention
To solve the above problems, the present invention provides a kind of reality of power network resources spatial Information Service based on D5000 system
Existing method.According in D5000 system the characteristics of grid equipment data, in a specific way by the geographic coordinate data of relevant device
It is stored in corresponding grid equipment tables of data, is effectively saved GIS and shows application and development cost and data maintenance cost.
A kind of implementation method of the power network resources spatial Information Service based on D5000 system comprising the steps of:
(1) receive requesting party and be passed to parameter, being passed to parameter includes device name, spatial dimension, attribute domain name collection；
It (2) is class equipment or line class equipment according to device name judgement；
(3) if it is class equipment, then corresponding class device data is obtained from corresponding class equipment list
(4) the point class device data that judgement obtains whether there is geographic coordinate information, exists, data are switched to
GeoJSON formatted file, addition point class equipment geographic coordinate information, has added rear steering step (3)；
(5) if it is line class equipment, then corresponding line class device data is obtained from corresponding line class equipment list；
(6) the line class device data that judgement obtains whether there is corresponding shaft tower information, exists, turns to step
(7)；There is no then turn to (8)；
(7) judge that shaft tower data with the presence or absence of geographic coordinate information, exist and then turn line class equipment-related data
Become GeoJSON formatted file, there is no be then that shaft tower data add geographic coordinate data, and turn to (5)；
(8) the vertex type equipment for judging whether there is connection relationship, exists, and turns to (9), there is no be then
Line class equipment adds geographic coordinate information, and turns to (5)；
(9) judge that corresponding class device data of line class equipment connecting relation whether there is geographic coordinate information,
There is no be then that this class device data adds geographic coordinate information, and turns to (5)；In the presence of then by line class equipment
Related data is changed into GeoJSON formatted file；
(10) service requester obtains GeoJSON file.
A kind of implementation method of power network resources spatial Information Service based on D5000 system above-mentioned, it is characterised in that:
In step (1), being passed to parameter includes device name, three kinds of spatial dimension, attribute domain name collection information, in D5000 system,
Certain equipment is generally stored in a table, for these tables is distinguished by table number, and the corresponding table of every kind of equipment has uniquely
Table number, incoming device name information refer to unique table number；Spatial dimension refers to a geographical rectangular area, passes through a left side
Inferior horn and the expression of the geographical location information in the upper right corner；Attribute domain name collection refers to the attribute information for the device object to be obtained
Set, such as device name, equipment voltage etc., express attribute field in D5000 system is domain number, the attribute in every table
Field has individual domain number, and incoming attribute domain name collection passes through one group of domain number expression.
A kind of implementation method of power network resources spatial Information Service based on D5000 system above-mentioned, it is characterised in that:
In step (4), if geographic coordinate information is not present in fruit dot class equipment, then geographic coordinate information is added for the equipment, geography is sat
Mark information is expressed with latitude and longitude coordinates value under WGS-84 the earth geographic coordinate system, and in corresponding class equipment list, addition can be with
The field of longitude and latitude is inserted, and inserts latitude and longitude value.GS-84 coordinate system (World Geodetic System 1
Coordinate System)
A kind of geocentric coordinate system used in the world.Coordinate origin is earth centroid, the earth's core rectangular coordinate system in space
Z axis is directed toward direction agreement earth pole (CTP) that BIH (international time service organization) 1984.O is defined, and X-axis is directed toward BIH
1984.0 zero meridian plane and the intersection point in the equator CTP, Y-axis and Z axis, X-axis are vertically formed right-handed coordinate system, referred to as generation in 1984
Boundary's geodetic coordinate system.
A kind of implementation method of power network resources spatial Information Service based on D5000 system above-mentioned, it is characterised in that:
In step (4), if there are geographic coordinate informations for fruit dot class equipment, then incoming attribute domain name collection information is combined, it will be corresponding
Attribute data and coordinate data are supplied to GeoJSON formatted file, complete the generation of GeoJSON formatted file.
A kind of implementation method of power network resources spatial Information Service based on D5000 system above-mentioned, it is characterised in that:
Do you in step (6), how to judge line class device data with the presence or absence of corresponding shaft tower information? line class equipment has unique identification,
In shaft tower information table, every shaft tower record has the attribute field for expressing affiliated line class equipment, that is, passes through unique mark of line class equipment
Know to correspond to the relationship between line class equipment and shaft tower.
A kind of implementation method of power network resources spatial Information Service based on D5000 system above-mentioned, it is characterised in that:
Do you in step (8), how to judge that line class device data whether there is the vertex type equipment of connection relationship? in line class device data
There are two sides terminal point information, two sides endpoint can correspond to a class facility information by unique identification.
A kind of implementation method of power network resources spatial Information Service based on D5000 system above-mentioned, it is characterised in that:
In step (8), geographic coordinate information is added for line class equipment, adds character string type attribute field for the line class equipment list, so
The geographic coordinate information of line class equipment, format such as " { [[112,32], [112,31], [113,32]] } " are inserted afterwards.
A kind of implementation method of power network resources spatial Information Service based on D5000 system above-mentioned, it is characterised in that:
In step (4) (7) (9), data are changed into GeoJSON formatted file, either line class equipment still puts class equipment, geographical
Coordinate information is the necessary information for changing into GeoJSON formatted file, and attribute information is nonessential information.
A kind of implementation method of power network resources spatial Information Service based on D5000 system above-mentioned, it is characterised in that:
In step (10), GeoJSON is a kind of format encoded to various gis structure datas, is based on JavaScript pairs
As the geospatial information data interchange format of representation, GeoJSON object can indicate geometry, feature or characteristic set,
GeoJSON supports point, line, surface, multiple spot, multi-thread, multi-panel and geometry set these types geometric type, the feature packet in GeoJSON
Containing a geometric object and other attributes, characteristic set indicates series of features.
The beneficial effects of the present invention are:
Point device service and face device service are how to take geographic coordinate data by the method for the present invention, point class equipment be through
Two fields of latitude, there are three types of line class equipment, longitude and latitude, the first and last endpoint class equipment longitude and latitude, coordinate string field table of shaft tower point
Up to) be stored in corresponding grid equipment tables of data and attribute information, and GeoJSON formatted file is converted into according to required parameter, just
It draws and shows in the GIS client for having GeoJSON drafting interface,
The implementation method of power network resources spatial Information Service based on D5000 system, can be realized the attribute of grid equipment
Data and geographic information data are present in the same library, in the same table, improve the development efficiency of GIS display module, reduce
Data maintenance cost.
Detailed description of the invention
Fig. 1 is the flow chart of the implementation method of the power network resources spatial Information Service the present invention is based on D5000 system.
Specific embodiment
Below in conjunction with attached drawing to the implementation method of power network resources spatial Information Service based on D5000 system a kind of into one
Step is discussed in detail.
As shown in Figure 1, the flow chart of the implementation method of the power network resources spatial Information Service based on D5000 system, includes
Following steps:
(1) receive requesting party and be passed to parameter, being passed to parameter includes device name, spatial dimension, attribute domain name collection；
It (2) is class equipment or line class equipment according to device name judgement；
It is opened in the particular embodiment due to method of servicing, the developer for calling this to service needs which is used
When a equipment, can judge a class or line class according to device name, for example, disconnecting link be a little, he can also be with certainly
Think that disconnecting link is line, if his disconnecting link with line expression, walked downward according to method, add coordinate string information for disconnecting link,
Also it can be expressed with line, only information is inaccurate and does not conform to convention；
(3) if it is class equipment, then corresponding class device data is obtained from corresponding class equipment list；Specifically
The data of the point class equipment of acquisition will generally have title, voltage class etc. according to which information deposited in tables of data；
(4) the point class device data that judgement obtains whether there is geographic coordinate information, exists, data are switched to
GeoJSON formatted file has added rear steering step (3) there is no a class equipment geographic coordinate information is then added；
(5) if it is line class equipment, then corresponding line class device data is obtained.
(6) the line class device data that judgement obtains whether there is corresponding shaft tower information, exists, turns to step (7)；No
In the presence of then turning to (8)；
In grid equipment, route is connected by many shaft towers, and short-range route also can be from CFS to CFS.On ground
Route is expressed on figure, best mode is exactly to be expressed with the numerous shaft tower of route, because some are local in D5000 system
Not acquisition and storage shaft tower information, so having step 7 and step 8).
(7) judge that shaft tower data with the presence or absence of geographic coordinate information, exist, line class equipment-related data is changed into
GeoJSON formatted file, there is no be then that shaft tower data add geographic coordinate data, and turn to (5)；
(8) the vertex type equipment for judging whether there is connection relationship, exists, and turns to (9), and there is no be then line class equipment
Geographic coordinate information is added, and turns to (5)；
(9) judge that corresponding class device data of line class equipment connecting relation with the presence or absence of geographic coordinate information, is not present
Geographic coordinate information then is added for this class device data, and turns to (5)；In the presence of then line class equipment-related data is changed into
GeoJSON formatted file；
(10) service requester obtains GeoJSON file.GeoJSON is that one kind compiles various gis structure datas
The format of code, the geospatial information data interchange format based on JavaScript object representation.
As shown in table 1, be substation data table in D5000 system, wherein there are longitude and latitude field longitude and
latitude。
Substation data table schematic table in 1 D5000 system of table
Service requester needs to obtain the spatial Information Service for the substation that one is set in range, realizes that steps are as follows:
(1) it is assumed herein that the table number of substation data table is 100, the incoming device name information of service requester is
100；
(2) the lower-left angular coordinate of incoming spatial dimension is [112,31], and upper right angular coordinate is [113,33]；
(3) it is assumed herein that the attribute that service requester needs is id and name, incoming attribute domain name integrates as id and name
Domain number set, referred to herein as [0,1]；
(4) GeoJSON formatted data is obtained.
The present invention is illustrated according to the preferred embodiment, it should be understood that above-described embodiment does not limit this in any form
Invention, all technical solutions obtained by the way of equivalent substitution or equivalent transformation all fall within protection scope of the present invention
It is interior.
Claims (9)
1. a kind of implementation method of the power network resources spatial Information Service based on D5000 system comprising the steps of:
(1) receive requesting party and be passed to parameter, being passed to parameter includes device name, spatial dimension, attribute domain name collection；
It (2) is class equipment or line class equipment according to device name judgement；
(3) if it is class equipment, then corresponding class device data is obtained from corresponding class equipment list；
(4) the point class device data that judgement obtains whether there is geographic coordinate information, exists, data are switched to GeoJSON format
File has added rear steering step (3)；
(5) if it is line class equipment, then corresponding line class device data is obtained from corresponding line class equipment list；
(6) the line class device data that judgement obtains whether there is corresponding shaft tower information, exists, turns to step
(7)；There is no then turn to step (8)；
(7) judge that shaft tower data with the presence or absence of geographic coordinate information, exist, line class equipment-related data is changed into GeoJSON
Formatted file, there is no be then that shaft tower data add geographic coordinate data, and turn to (5)；
(8) the vertex type equipment for judging whether there is connection relationship, exists, and turns to (9),
There is no be then that line class equipment adds geographic coordinate information, and turns to (5)；
(9) corresponding class device data of line class equipment connecting relation is judged with the presence or absence of geographic coordinate information, and there is no be then
This class device data adds geographic coordinate information, and turns to (5)；In the presence of then line class equipment-related data is changed into
GeoJSON formatted file；
(10) service requester obtains GeoJSON file.
2. a kind of implementation method of the power network resources spatial Information Service based on D5000 system according to letter of authorization 1,
A kind of equipment is stored in a table in D5000 system, and every table has unique table number, and incoming device name information refers to
Unique table number；
Spatial dimension refers to a geographical rectangular area, is expressed by the geographical location information in the lower left corner and the upper right corner；
Attribute domain name collection refers to the set of the attribute information for the device object to be obtained, and incoming attribute domain name collection passes through one group
Domain number expression.
3. a kind of implementation method of the power network resources spatial Information Service based on D5000 system according to letter of authorization 1, special
Sign is: latitude and longitude coordinates value is expressed under the geographic coordinate information WGS-84 the earth geographic coordinate system described in step (4),
In corresponding class equipment list, addition can insert the field of longitude and latitude, and insert latitude and longitude value.
4. a kind of implementation method of the power network resources spatial Information Service based on D5000 system according to letter of authorization 1, special
Sign is: in step (4), if there are geographic coordinate informations for fruit dot class equipment, then incoming attribute domain name collection information is combined, it will
Corresponding attribute data and coordinate Value Data are supplied to GeoJSON formatted file, complete the generation of GeoJSON formatted file.
5. a kind of implementation method of the power network resources spatial Information Service based on D5000 system according to letter of authorization 1, special
Sign is: in step (6), when judging line class device data with the presence or absence of corresponding shaft tower information, by comparing line class equipment
Unique identification judge line class equipment and bar to correspond to the attribute field of line class equipment described in every tower bar in tower bar information table
Relationship between tower.
6. a kind of implementation method of the power network resources spatial Information Service based on D5000 system according to letter of authorization 1, special
Sign is: in step (8), judging to pass through identification line when line class device data whether there is the vertex type equipment for having connection relationship
There are the unique identifications of two sides terminal point information to correspond to a class facility information in class device data.
7. a kind of implementation method of the power network resources spatial Information Service based on D5000 system according to letter of authorization 1, special
Sign is: in step (8), adding geographic coordinate information for line class equipment, adds character string type attribute for the line class equipment list
Field is then filled with the geographic coordinate information of line class equipment, format such as " { [[112,32], [112,31], [113,32]] } ".
8. a kind of implementation method of the power network resources spatial Information Service based on D5000 system according to letter of authorization 1, special
Sign is: data being changed into GeoJSON formatted file, either line class equipment still puts class equipment, and geographic coordinate information is to turn
At the necessary information of GeoJSON formatted file, attribute information is nonessential information.
9. a kind of implementation method of the power network resources spatial Information Service based on D5000 system according to letter of authorization 1, special
Sign is: GeoJSON object can indicate geometry, feature or characteristic set, and GeoJSON supports point, line, surface, multiple spot, more
Line, multi-panel and geometry set these types geometric type, the feature in GeoJSON include a geometric object and other attributes, special
Levy set expression series of features.
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| CN201811114703.1A CN109410087B (en) | 2018-09-25 | 2018-09-25 | Method for realizing power grid resource space information service based on D5000 system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104537573A (en) * | 2014-12-17 | 2015-04-22 | 国家电网公司 | Power grid operation information panoramic visualized display system |
| CN107273574A (en) * | 2017-05-17 | 2017-10-20 | 国网上海市电力公司 | A kind of power transmission network automatic mapping technology that system is dispatched based on D5000 |
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- 2018-09-25 CN CN201811114703.1A patent/CN109410087B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104537573A (en) * | 2014-12-17 | 2015-04-22 | 国家电网公司 | Power grid operation information panoramic visualized display system |
| CN107273574A (en) * | 2017-05-17 | 2017-10-20 | 国网上海市电力公司 | A kind of power transmission network automatic mapping technology that system is dispatched based on D5000 |
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