CN112835998A - Generation method of power grid dynamic topological graph - Google Patents
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Abstract
The invention discloses a method for generating a dynamic topological graph of a power grid, which comprises the following steps: acquiring equipment remote signaling information of a plurality of power plants, and generating equipment dynamic topological data of the plurality of power plants; constructing equipment dynamic topological graphs of a plurality of power plants according to the equipment dynamic topological data; acquiring a power grid map, wherein the power grid map comprises plant station graphs of the power plants and a connection relation between the plant station graphs of the power plants; and embedding the equipment dynamic topological graphs of the power plants into a power grid map to obtain the power grid dynamic topological graph. The power grid dynamic topological graph generated by the invention can visually display the topological relations among power supply equipment in the plant, among various plant stations and among equipment in the plant, can carry out whole-network analysis and overall monitoring on the power grid risk, and can improve the comprehensive perception capability and risk prejudgment capability of regulating and controlling personnel on the power grid operation state.
Description
Technical Field
The invention belongs to the field of power systems, and particularly relates to a method for generating a dynamic topological graph of a power grid.
Background
The dynamic topological graph is dynamic topological data generated based on state estimation on the basis of a power grid map, integrates multiple information such as dynamic topological information, equipment information, multiple dynamic topological graph connection information and geographic information and is automatically mapped and displayed, and the dynamic topological graph is an important component of an intelligent regulation and control platform. How to generate dynamic topological data and show the connection relation of a plurality of dynamic topological graphs and a plurality of topological graphs simultaneously based on a power grid map helps a regulation and control personnel to comprehensively control the real-time operation state of the power grid and perceive the operation risk, so that the risk is pre-judged and effective pre-control is implemented, and the intelligent regulation and control platform is a problem to be researched urgently. In recent years, research and development personnel have conducted a great deal of research on generation of dynamic topological data and display of the dynamic data on a power grid map, and the degree of importance is higher and higher. However, in the existing research, a method for automatically generating and displaying a dynamic topological graph and a connection relationship between a plurality of topological graphs in a power grid map is not proposed.
In the existing power system information display technology, on one hand, the information of a dynamic topological graph of equipment is not displayed, on the other hand, a power grid map is not combined, and the automatic generation of power equipment such as a transformer in the dynamic topological graph of the power grid is not involved.
Disclosure of Invention
The invention aims to provide a method for generating a power grid dynamic topological graph, which aims to solve the problems that the prior art does not display equipment dynamic topological graph information, does not combine a power grid map, and does not relate to the automatic generation of power equipment such as a transformer in the power grid dynamic topological graph.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for generating a dynamic topological graph of a power grid comprises the following steps:
acquiring equipment remote signaling information of a plurality of power plants, and generating equipment dynamic topological data of the plurality of power plants;
constructing equipment dynamic topological graphs of a plurality of power plants according to the equipment dynamic topological data;
acquiring a power grid map, wherein the power grid map comprises plant station graphs of the power plants and a connection relation between the plant station graphs of the power plants;
and embedding the equipment dynamic topological graphs of the power plants into a power grid map to obtain the power grid dynamic topological graph.
Further, the equipment remote signaling information is current equipment remote signaling data provided by the data acquisition and monitoring control system;
the method for acquiring the equipment remote signaling information of the power plants and generating the equipment dynamic topological data of the power plants comprises the following steps:
and carrying out topology analysis by combining a plant station model according to the current equipment remote signaling data provided by the data acquisition and monitoring control system to obtain the topological connection relation among the equipment in the plant station.
Further, the data format of the topological connection relationship includes a topological grouping, the topological grouping includes a plurality of pieces of device information, and the device information includes a plurality of key children of the device information and corresponding information values thereof.
Further, constructing a device dynamic topological graph of a plurality of power plants according to the device dynamic topological data, comprising:
based on the dynamic topological data of the equipment, the transformer is used as separating equipment of high and low voltage grades, each transformer in the equipment is traversed according to the sequence from the high voltage grade to the low voltage grade, and a high-voltage side equipment graphic object of each transformer, a graphic object of each transformer and a graphic object of low-voltage side equipment of each transformer are respectively generated in the traversal.
Further, generating a high-side device graphical object for each transformer includes: and for each transformer, acquiring a topology group where a high-voltage side winding of the transformer is located, and if an image object of the topology group exists, generating a connecting line between the image object of the topology group and the transformer.
Further, the method for generating the power grid dynamic topological graph further includes:
if the image object of the topology grouping does not exist, generating the image object of the topology grouping, wherein the generating the image object of the topology grouping comprises:
firstly, acquiring a bus equipment object in the topological grouping, generating a graphic object of the bus equipment object and an information text graphic object thereof, and calculating the positions of the bus graphic object and the information text graphic object thereof according to non-bus equipment in the topological grouping; traversing the non-bus equipment in the group, generating a graphic object of the non-bus equipment object and an information text graphic object thereof, calculating the positions of the non-bus equipment graphic object and the information text graphic object thereof in the traversing process, and generating a connecting line between the non-bus equipment and the bus equipment.
Further, generating a graphical object for each transformer, comprising:
for each transformer, generating a graphic object of the transformer and an information text graphic object thereof, and calculating the positions of the graphic object and the information text graphic object thereof;
and generating connecting lines of the topological grouping graphic objects where the high-voltage side windings of the transformer are located and the graphic objects of the high-voltage side windings of the transformer.
Further, generating a low-side device graphical object for each transformer includes:
and for each transformer, acquiring a topology group where a low-voltage side winding of the transformer is located, and if an image object of the topology group exists, generating a connecting line between the image object of the topology group and the transformer.
Further, the method for generating the power grid dynamic topological graph further includes:
if the image object of the topology grouping does not exist, generating the image object of the topology grouping, wherein the generating the image object of the topology grouping comprises:
firstly, acquiring a bus equipment object in the topological grouping, generating a graphic object of the bus equipment object and an information text graphic object thereof, and calculating the positions of the bus graphic object and the information text graphic object thereof according to non-bus equipment in the topological grouping; traversing the non-bus equipment in the group to generate a graphic object of the non-bus equipment object and an information text graphic object thereof, calculating the positions of the non-bus equipment graphic object and the information text graphic object thereof in the traversing process, and generating a connecting line between the non-bus equipment and the bus equipment;
the connecting line between the image object generating the topological grouping and the transformer comprises:
and generating connecting lines of the topological grouping graphic objects where the high-voltage side windings of the transformer are located and the graphic objects of the high-voltage side windings of the transformer.
Further, constructing a device dynamic topological graph of a plurality of power plants according to the device dynamic topological data, further comprising:
the device name description information in the device dynamic topological graph is displayed through a static text;
and the real-time information of each device in the device dynamic topological graph is automatically generated according to remote signaling data and displayed in a dynamic text form.
Furthermore, in the power grid map, each plant station graph is arranged according to the longitude and latitude positions, and related plant station graphs are connected through lines;
embedding the device dynamic topological graphs of the power plants into a power grid map to obtain the power grid dynamic topological graph, and the method comprises the following steps: and replacing the corresponding plant station graphs in the power grid map with the dynamic topological graphs of the equipment of the power plants, and distributing the plant station graphs at the longitude and latitude positions of the corresponding plant station graphs.
Compared with the prior art, the invention has the following beneficial technical effects:
1) the dynamic topological graph is dynamically generated according to the real connection relation inside the current plant station, and the devices such as a switch, a disconnecting link and the like are hidden, so that the topological relation among the power supply devices inside the plant station is visually displayed, and the topological relation is more clearly presented;
2) the line in the power grid map is directly accessed to the line end in the dynamic topological graph, so that not only is the internal topological relation of the plant station displayed, but also the topological relation among the plant stations in the power grid is integrally displayed on the whole, and the topological relation of equipment among the plant stations can be clearly displayed;
3) the telemetering data in the dynamic topological graph is derived from a state estimation result, and the state estimation result in the current topological state is visually presented on the plant station equipment;
4) the dynamic topological graph is automatically generated according to the topological relation, the picture does not need to be manually maintained, and the dynamic topological graph is dynamically changed according to the change of the topological state;
5) according to the generated dynamic topological graph of the power grid, the risk of the power grid can be analyzed and monitored globally, and the comprehensive perception capability and risk prejudging capability of regulating and controlling personnel on the operation state of the power grid can be improved.
Drawings
Fig. 1 is a flowchart of a method for generating a power grid dynamic topological graph according to an embodiment of the present invention;
fig. 2 is a structural diagram of a device for generating a dynamic topological graph of a power grid according to an embodiment of the present invention;
FIG. 3 is a flow chart of automatic generation of a dynamic topology map;
FIG. 4 is a flow chart of automatic generation of device names and telemetry data;
FIG. 5 is a flow chart of a plurality of dynamic topology map interconnections.
Detailed Description
The invention is further described with reference to specific examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As described above, in the conventional power system information display technology, on one hand, the device dynamic topological graph information is not displayed, on the other hand, a power grid map is not combined, and automatic generation of power devices such as transformers in the power grid dynamic topological graph is not involved.
In order to solve the technical problem, the invention provides a method for generating a dynamic topological graph of a power grid. Fig. 1 is a flowchart 1 of a method for generating a power grid dynamic topological graph according to an embodiment of the present invention. As shown in fig. 1, the method includes:
step 11, acquiring equipment remote signaling information of a plurality of power plants; generating device dynamic topology data for the plurality of power plants;
according to one embodiment, the plant telemetry information may be current plant telemetry data provided by a data acquisition and monitoring control System (SCADA). In one example, topology analysis is performed by combining a plant station model according to current equipment remote signaling data provided by a data acquisition and monitoring control system to obtain a topological connection relation between equipment in the plant station.
In one embodiment, the data format of the topological connection relationship may include a topological packet, the device packet may include a plurality of device information, and the device information may include a plurality of device information keys and their corresponding information values.
In a specific embodiment, topology analysis can be performed by combining a plant station model according to current remote signaling data provided by the SCADA to obtain a topological connection relationship between devices in the plant station, and the data format mainly includes the following patterns:
1. topological grouping: for example, "Group-X" represents a Group, each Group representing a Group of "point" devices connected together.
2. Device information: for example, "[ value1(key1), value2(key2), … ]" records detailed information of a certain device contained in the current packet, key denotes an information key, and value denotes an information value.
3. And (3) information key words: in one example, the information key and its meaning in the device information are shown in table 1:
TABLE 1
| Information key | Content providing method and apparatus |
| name | Device name |
| baseKV | Reference voltage |
| id | Device id |
| type | Type of device |
| transformerId | Transformer device id to which winding belongs |
In one example, a data representation of topology information is shown in table 2 below:
TABLE 2
Step 12, constructing equipment dynamic topological graphs of a plurality of power plants according to the equipment dynamic topological data;
according to one embodiment, the transformers can be used as separating devices of high and low voltage levels based on the device dynamic topology data, and the transformers in the devices are traversed according to the sequence from the high voltage level to the low voltage level, wherein a high-voltage side device graphic object of each transformer, a graphic object of each transformer and a graphic object of a low-voltage side device of each transformer are generated in the traversal respectively. In one example, for each transformer, a topology group where a high-voltage side winding of the transformer is located may be obtained, and if an image object of the topology group exists, a connection line between the image object of the topology group and the transformer may be generated. In another example, if there is no image object of the topology group, generating the image object of the topology group, wherein the generating the image object of the topology group includes: firstly, acquiring a bus equipment object in the topological grouping, generating a graphic object of the bus equipment object and an information text graphic object thereof, and calculating the positions of the bus graphic object and the information text graphic object thereof according to non-bus equipment in the topological grouping; traversing the non-bus equipment in the group, generating a graphic object of the non-bus equipment object and an information text graphic object thereof, calculating the positions of the non-bus equipment graphic object and the information text graphic object thereof in the traversing process, and generating a connecting line between the non-bus equipment and the bus equipment.
In one embodiment, for each transformer, a graphic object of the transformer and an information text graphic object thereof may be generated, and the positions of the graphic object and the information text graphic object thereof may be calculated; and generating connecting lines of the topological grouping graphic objects where the high-voltage side windings of the transformer are located and the graphic objects of the high-voltage side windings of the transformer.
In one embodiment, for each transformer, a topology group in which a low-voltage side winding of the transformer is located may be obtained, and if an image object of the topology group exists, a connection line between the image object of the topology group and the transformer is generated. In another example, if there is no image object of the topology group, generating an image object of the topology group, the generating an image object of the topology group including: firstly, acquiring a bus equipment object in the topological grouping, generating a graphic object of the bus equipment object and an information text graphic object thereof, and calculating the positions of the bus graphic object and the information text graphic object thereof according to non-bus equipment in the topological grouping; traversing the non-bus equipment in the group, generating a graphic object of the non-bus equipment object and an information text graphic object thereof, calculating the positions of the non-bus equipment graphic object and the information text graphic object thereof in the traversing process, and generating a connecting line between the non-bus equipment and the bus equipment. In yet another example, connection lines can also be generated for the topological grouping of graphical objects on which the transformer high side winding is located and the transformer high side winding graphical objects.
In a specific embodiment, the dynamic topological graph is automatically generated mainly according to the content and the data format of the dynamic topological graph, and the dynamic topological graph generation process mainly includes that a transformer is used as a separation device of high and low voltage levels, the separation device is automatically generated according to the sequence from the high voltage level to the low voltage level, and the transformer devices are traversed to respectively generate the graph objects of the high voltage side and the low voltage side of the transformer. As shown in fig. 3, the process specifically includes:
1) generating an image object of a transformer high-voltage side device:
acquiring a grouping object where a high-voltage side winding of a certain transformer is located, and if the grouping object generates a graphic object in the process of traversing the certain transformer before, directly generating a connecting line between the grouped graphic object and the current transformer; if the grouping object does not generate the graphic object in the process of traversing a certain transformer before, generating the graphic object of the grouping object: firstly, acquiring a bus equipment object in the grouping object, generating a graphic object of the bus equipment object and an information text graphic object (such as a name) of the graphic object, and calculating the positions of the bus graphic object and the information text graphic object according to non-bus equipment in the grouping object; traversing the non-bus equipment in the group to generate a graphic object of the non-bus equipment object and an information text graphic object thereof, calculating the positions of the non-bus equipment graphic object and the information text graphic object thereof in the traversing process, wherein the position calculation adopts an accumulation arrangement mode, and generates a connecting line between the non-bus equipment and the bus equipment.
2) Generating image objects of transformers
And generating a graphic object of the transformer and an information text graphic object thereof, and calculating the positions of the graphic object and the information text graphic object thereof according to the previous traversal process. And calculating and generating connecting lines of the high-voltage side grouping graphic object and the transformer high-voltage side winding graphic object.
3) Generating image objects for a transformer low side device
Acquiring a grouping object where a low-voltage side winding of a certain transformer is located, and if the grouping object generates a graphic object in the process of traversing the certain transformer before, directly generating a connecting line between the grouped graphic object and the current transformer; if the grouping object does not generate the graphic object in the process of traversing a certain transformer before, generating the graphic object of the grouping object: firstly, acquiring a bus equipment object in the grouping object, generating a graphic object of the bus equipment object and an information text graphic object (such as a name) of the graphic object, and calculating the positions of the bus graphic object and the information text graphic object according to non-bus equipment in the grouping object; traversing the non-bus equipment in the group to generate a graphic object of the non-bus equipment object and an information text graphic object thereof, calculating the positions of the non-bus equipment graphic object and the information text graphic object thereof in the traversing process, wherein the position calculation adopts an accumulation arrangement mode, and generates a connecting line between the non-bus equipment and the bus equipment. And calculating and generating connecting lines of the low-voltage side grouping graphic object and the transformer low-voltage side winding graphic object.
In one embodiment, the device name description information in the device dynamic topology map may be presented through static text.
In another embodiment, the real-time information of each device in the device dynamic topology map can be displayed in a form of automatically generating a dynamic text according to remote signaling data.
In a specific embodiment, as shown in fig. 4, the device name description information in the dynamic topology map is presented in the form of automatically generating a static text, and the specific content of the static text is derived from the name field in the dynamic topology device information. In order to avoid the coverage condition of the equipment name information displayed by the static text on the described equipment and peripheral equipment thereof in the dynamic topological graph and ensure that the equipment name information can clearly and definitely point to the described equipment object, the patent adopts different relative placement positions and different character arrangement directions for the static text of each equipment according to different types of the equipment and by combining the graph display characteristics of the equipment. The device name description information is displayed in the form of static texts arranged longitudinally, and is laid out on the left side of the described device so as to highlight the relevance of the described device object and improve the compactness of the dynamic topological graph. Meanwhile, the longitudinal coordinate of the device is automatically calculated and translated according to the text length, so that the covering of a bus to which the described device belongs is avoided. The static text of the description information is rearranged along with the equipment when the dynamic topological graph changes along with the topological state.
The real-time information of each device in the dynamic topological graph is displayed in a form of automatically generating dynamic texts, a group of dynamic texts is automatically generated for different types of devices according to specific device indexes concerned by the specific devices, and each dynamic text corresponds to telemetering data of the device. And the remote measuring data id is automatically generated according to the equipment id, the latest remote signaling data is dynamically acquired by sending a data request to the real-time library, and the acquired data is refreshed on the dynamic topological graph. The dynamic text adopts an automatic layout mode similar to that of the static text, and is laid out at a specific relative position of the equipment according to different types of the equipment so as to avoid the shielding condition.
Step 13, acquiring a power grid map, wherein the power grid map comprises plant station graphs of the power plants and the connection relation between the plant station graphs of the power plants;
in the step, in the power grid map, all stations are automatically arranged according to the longitude and latitude positions, and related stations are connected through lines.
And 14, embedding the equipment dynamic topological graphs of the power plants into a power grid map to obtain the power grid dynamic topological graph.
According to one embodiment, the method for embedding the device dynamic topological graphs of the plurality of power plants into the power grid map to obtain the power grid dynamic topological graph comprises the following steps: and replacing the corresponding plant station graphs in the power grid map with the dynamic topological graphs of the equipment of the power plants, and distributing the plant station graphs at the longitude and latitude positions of the corresponding plant station graphs.
In a specific implementation example, as shown in fig. 5, the dynamic topological graph replaces the original factory station graph and is laid out at the longitude and latitude positions of the respective corresponding factory stations. The key id information of the line equipment of the line end equipment in the dynamic topological graph can be obtained, the graphic information of the corresponding line equipment in the power grid map can be obtained according to the key id information of the line end equipment, the two-dimensional coordinates of the line end point in the dynamic topological graph are converted into longitude and latitude coordinates, the longitude and latitude position of the line end point of the line equipment is adjusted, and the line end point is directly connected to the line end of the dynamic topology, so that the connection between the line equipment in the power grid map and the corresponding line end equipment in the dynamic topological graph is realized, the other end of the line equipment is connected with the line end equipment of the dynamic topological graph of the opposite terminal station, the interconnection of a plurality of dynamic topological graphs is realized, finally, all the dynamic topological graphs form an interconnected mesh structure, and the visual display of the topological relation among all the equipment of the whole power grid is completed.
In the process of generating the dynamic topological graph, in order to avoid the situation that the dynamic topological graph is covered by interconnection of line equipment and a line end, the line end equipment can automatically perform layout adjustment according to the relative position of the line belonging to the power grid map relative to the dynamic topological graph, for example, if the included angle between the direction of the corresponding line accessing a plant station and the positive direction of an X coordinate axis is larger, the line end can be adjusted to a position relatively close to the left on a bus of the line end so as to reduce the crossing situation when the line accesses; if the latitude of the plant station at the opposite end of the line corresponding to a certain line end in the power grid map is smaller than the longitude of the current plant station, namely the line is arranged below the plant station at the local end, the arrangement direction of the equipment at the line end is automatically adjusted to be arranged below the bus, so that the access of the corresponding line of the line is facilitated, and the covering of other equipment during the access of the line is reduced.
From the above, according to the generated dynamic topological graph of the power grid, the whole-grid analysis and the global monitoring of the power grid risks can be performed, and the comprehensive perception capability and the risk prejudgment capability of the regulating personnel on the operation state of the power grid can be improved.
1. The dynamic topological graph is dynamically generated according to the real connection relation inside the current plant station, and the devices such as a switch and a disconnecting link are hidden, so that the topological relation among the power supply devices inside the plant station is visually displayed, and the topological relation is more clearly presented.
2. The line in the power grid map is directly accessed to the line end in the dynamic topological graph, so that not only is the internal topological relation of the plant station displayed, but also the topological relation among the plant stations in the power grid is integrally displayed, and the topological relation of the equipment among the plant stations can be clearly displayed.
3. The telemetering data in the dynamic topological graph is derived from a state estimation result, and the state estimation result in the current topological state is visually presented on the plant station equipment.
4. The dynamic topological graph is automatically generated according to the topological relation, the picture does not need manual maintenance, and the dynamic topological graph is dynamically changed according to the change of the topological state.
5. The system helps the regulation and control personnel to comprehensively control the real-time running state of the power grid and sense the running risk, so that the risk is pre-judged and effective pre-control is implemented.
In another embodiment, as shown in fig. 2, the present invention provides an apparatus 200 for generating a grid dynamic topology map, including:
the topological data acquisition unit 21 is configured to acquire device remote signaling information of a plurality of power plants and generate device dynamic topological data of the plurality of power plants;
the dynamic topological graph generating unit 22 is configured to construct device dynamic topological graphs of a plurality of power plants according to the device dynamic topological data;
the power grid map obtaining unit 23 is configured to obtain a power grid map, where the power grid map includes plant site graphs of the multiple power plants and a connection relationship between the plant site graphs of the multiple power plants;
and the power grid dynamic topological graph obtaining unit 24 is configured to embed the device dynamic topological graphs of the power plants into a power grid map to obtain a power grid dynamic topological graph.
The present invention has been disclosed in terms of the preferred embodiment, but is not intended to be limited to the embodiment, and all technical solutions obtained by substituting or converting equivalents thereof fall within the scope of the present invention.
Claims (10)
1. A method for generating a dynamic topological graph of a power grid is characterized by comprising the following steps:
acquiring equipment remote signaling information of a plurality of power plants, and generating equipment dynamic topological data of the plurality of power plants;
constructing equipment dynamic topological graphs of a plurality of power plants according to the equipment dynamic topological data;
acquiring a power grid map, wherein the power grid map comprises plant station graphs of the power plants and a connection relation between the plant station graphs of the power plants;
and embedding the equipment dynamic topological graphs of the power plants into a power grid map to obtain the power grid dynamic topological graph.
2. The method of claim 1, wherein the equipment telemetry information is current equipment telemetry data provided by a data acquisition and monitoring control system;
the method for acquiring the equipment remote signaling information of the power plants and generating the equipment dynamic topological data of the power plants comprises the following steps:
and carrying out topology analysis by combining a plant station model according to the current equipment remote signaling data provided by the data acquisition and monitoring control system to obtain the topological connection relation among the equipment in the plant station.
3. The method according to claim 2, wherein the data format of the topological connection relationship comprises a topological packet, and the topological packet comprises a plurality of pieces of device information, and the device information comprises a plurality of key children of the device information and corresponding information values thereof.
4. A method in accordance with claim 3 wherein constructing a plant dynamic topology map for a plurality of power plants from the plant dynamic topology data comprises:
based on the dynamic topological data of the equipment, the transformer is used as separating equipment of high and low voltage grades, each transformer in the equipment is traversed according to the sequence from the high voltage grade to the low voltage grade, and a high-voltage side equipment graphic object of each transformer, a graphic object of each transformer and a graphic object of low-voltage side equipment of each transformer are respectively generated in the traversal.
5. The method of claim 4, wherein generating the high side device graphical object for each transformer comprises: and for each transformer, acquiring a topology group where a high-voltage side winding of the transformer is located, and if an image object of the topology group exists, generating a connecting line between the image object of the topology group and the transformer.
6. The method of claim 5, further comprising:
if the image object of the topology grouping does not exist, generating the image object of the topology grouping, wherein the generating the image object of the topology grouping comprises:
firstly, acquiring a bus equipment object in the topological grouping, generating a graphic object of the bus equipment object and an information text graphic object thereof, and calculating the positions of the bus graphic object and the information text graphic object thereof according to non-bus equipment in the topological grouping; traversing the non-bus equipment in the group, generating a graphic object of the non-bus equipment object and an information text graphic object thereof, calculating the positions of the non-bus equipment graphic object and the information text graphic object thereof in the traversing process, and generating a connecting line between the non-bus equipment and the bus equipment.
7. The method of claim 6, wherein generating a graphical object for each transformer comprises:
for each transformer, generating a graphic object of the transformer and an information text graphic object thereof, and calculating the positions of the graphic object and the information text graphic object thereof;
and generating connecting lines of the topological grouping graphic objects where the high-voltage side windings of the transformer are located and the graphic objects of the high-voltage side windings of the transformer.
8. The method of claim 7, wherein generating the low side device graphical object for each transformer comprises:
and for each transformer, acquiring a topology group where a low-voltage side winding of the transformer is located, and if an image object of the topology group exists, generating a connecting line between the image object of the topology group and the transformer.
9. The method of claim 8, further comprising:
if the image object of the topology grouping does not exist, generating the image object of the topology grouping, wherein the generating the image object of the topology grouping comprises:
firstly, acquiring a bus equipment object in the topological grouping, generating a graphic object of the bus equipment object and an information text graphic object thereof, and calculating the positions of the bus graphic object and the information text graphic object thereof according to non-bus equipment in the topological grouping; traversing the non-bus equipment in the group to generate a graphic object of the non-bus equipment object and an information text graphic object thereof, calculating the positions of the non-bus equipment graphic object and the information text graphic object thereof in the traversing process, and generating a connecting line between the non-bus equipment and the bus equipment;
the connecting line of the image object generating the topological grouping and the transformer comprises,
and generating connecting lines of the topological grouping graphic objects where the high-voltage side windings of the transformer are located and the graphic objects of the high-voltage side windings of the transformer.
10. The method according to claim 1, wherein in the power grid map, each plant station graph is arranged according to longitude and latitude positions, and related plant station graphs are connected through lines;
embedding the device dynamic topological graphs of the power plants into a power grid map to obtain the power grid dynamic topological graph, and the method comprises the following steps: and replacing the corresponding plant station graphs in the power grid map with the dynamic topological graphs of the equipment of the power plants, and distributing the plant station graphs at the longitude and latitude positions of the corresponding plant station graphs.
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