CN114036702A - Rapid drawing modeling method and system for power distribution network - Google Patents
Rapid drawing modeling method and system for power distribution network Download PDFInfo
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- CN114036702A CN114036702A CN202111425460.5A CN202111425460A CN114036702A CN 114036702 A CN114036702 A CN 114036702A CN 202111425460 A CN202111425460 A CN 202111425460A CN 114036702 A CN114036702 A CN 114036702A
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- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
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Abstract
The invention provides a method and a system for rapid drawing and modeling of a power distribution network, which are characterized in that a feeder line section is created between two electrical devices, a virtual electrical device is created between the feeder line sections, the virtual electrical device is converted into a specified device type, related devices and feeder line section primitives are instantiated on a graph according to the converted device type, related model information is obtained, the model information is bound with corresponding primitives, and the topological connection relation between the electrical devices and the feeder line section is updated, so that rapid drawing and modeling of a main line and a branch line of a single line diagram of the power distribution network are realized, the number of times of manually creating the primitives is reduced, the process of building the model is simplified, the layout is automatically adjusted, and the drawing and modeling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of power distribution network drawing, in particular to a power distribution network rapid drawing modeling method and system.
Background
In an electric power system, a single feeder line is taken as a unit in a distribution network single line diagram, all relevant equipment of a line between a transformer substation outgoing line and a distribution transformer or a line interconnection switch are presented, and the presented electric equipment mainly comprises a circuit breaker, a load switch, a drop-out fuse, a fault indicator, a tower and the like.
A single line diagram of the power distribution network is drawn in a traditional mode, drawing of one feeder line needs to create primitives of the electrical equipment for multiple times, fill in model parameters for modeling, manually establish topological connection relations among the electrical equipment, adjust layout, and waste time and labor.
Disclosure of Invention
The invention aims to provide a method and a system for rapid drawing and modeling of a power distribution network, which aim to solve the problem that drawing of a single line diagram of the power distribution network in the prior art is required to be completed manually, so that time and labor are wasted, the drawing and modeling efficiency is improved, the times of manually creating primitives is reduced, and the process of building a model is simplified.
In order to achieve the technical purpose, the invention provides a rapid drawing modeling method for a power distribution network, which comprises the following operations:
after two electrical devices which are not connected are selected, the number of feeder line sections which are created in batch is input, feeder line sections with corresponding number are automatically created, and meanwhile virtual devices are created between the feeder line sections;
switching the virtual equipment into the electrical equipment of the specified type through the simulation dialog box, and automatically creating a feeder line segment and switching the feeder line segment into the electrical equipment of the specific type;
instantiating electrical equipment and feeder line section primitives on a graph, calculating the Manhattan distance between the initial two electrical equipment, and uniformly distributing the electrical equipment established in the process between the specified electrical equipment according to the Manhattan distance between every two electrical equipment;
and obtaining model information, binding the primitives, and updating the graph and model topology connection relation between the two initial electrical devices.
Preferably, the voltage levels of the two electrical devices need to be the same.
Preferably, the specified types of electrical equipment include load switches, circuit breakers, drop-out fuses, fault indicators, and towers.
Preferably, the model information includes common model information of the feeder line and the voltage class.
Preferably, when the electrical device of the specified type is a two-terminal device, the feeder sections at two ends of the device are respectively connected to different terminals of the electrical device; the virtual electrical device is not created, and the two feeder segments connecting the virtual device are converged into one in the actual creation process.
The invention also provides a rapid drawing modeling system for the power distribution network, which comprises:
the feeder line section creating module is used for inputting the number of feeder line sections created in batch after two electrical devices which are not connected are selected, automatically creating feeder line sections with corresponding number, and creating virtual devices between the feeder line sections;
the device type switching module is used for switching the virtual device into an electrical device of a specified type through a simulation dialog box, and automatically creating a feeder line segment and switching the feeder line segment into the electrical device of a specific type;
the primitive instantiation module is used for instantiating electrical equipment and feeder line section primitives on a graph, calculating the Manhattan distance between the initial two electrical equipment, and uniformly distributing the electrical equipment established in the process between the specified electrical equipment according to the Manhattan distance between every two electrical equipment;
and the model creating module is used for creating a model of newly added electrical equipment and feeder line segments between the two initial electrical equipment, binding primitives and updating the topological connection relation between the graph and the model.
Preferably, the voltage levels of the two electrical devices need to be the same.
Preferably, the specified types of electrical equipment include load switches, circuit breakers, drop-out fuses, fault indicators, and towers.
Preferably, the model information includes common model information of the feeder line and the voltage class.
Preferably, when the electrical device of the specified type is a two-terminal device, the feeder sections at two ends of the device are respectively connected to different terminals of the electrical device; the virtual electrical device is not created, and the two feeder segments connecting the virtual device are converged into one in the actual creation process.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and one of the above technical solutions has the following advantages or beneficial effects:
compared with the prior art, the feeder line segment is created between two electrical devices, the virtual electrical devices are created between the feeder line segments, the virtual electrical devices are converted into the specified device types, the related devices and the feeder line segment primitives are instantiated on the graph according to the converted device types, the related model information is obtained, the model information is bound with the corresponding primitives, and the topological connection relation between the electrical devices and the feeder line segment is updated, so that the rapid drawing modeling of the single line diagram main line and the branch line of the power distribution network is realized, the times of manually creating the primitives are reduced, the process of building the model is simplified, the layout is automatically adjusted, and the drawing modeling efficiency is improved.
Drawings
Fig. 1 is a logic flow diagram of a rapid drawing modeling method for a power distribution network according to an embodiment of the present invention;
fig. 2 is a block diagram of a rapid drawing modeling system for a power distribution network according to an embodiment of the present invention.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
The following describes a power distribution network rapid drawing modeling method and system provided by the embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention discloses a rapid mapping modeling method for a power distribution network, where the method includes the following operations:
after two electrical devices which are not connected are selected, the number of feeder line sections which are created in batch is input, feeder line sections with corresponding number are automatically created, and meanwhile virtual devices are created between the feeder line sections;
switching the virtual equipment into the electrical equipment of the specified type through the simulation dialog box, and automatically creating a feeder line segment and switching the feeder line segment into the electrical equipment of the specific type;
instantiating electrical equipment and feeder line section primitives on a graph, calculating the Manhattan distance between the initial two electrical equipment, and uniformly distributing the electrical equipment established in the process between the specified electrical equipment according to the Manhattan distance between every two electrical equipment;
and updating the graph and model topological connection relation between the two initial electrical devices.
The embodiment of the invention aims to draw the main line and the branch line of the single line diagram of the power distribution network through the rapid drawing modeling of the power distribution network, mainly the overhead line, and realize the rapid drawing modeling of the single line diagram of the power distribution network.
Two electrical devices are drawn and modeled at appropriate locations in the feeder map, and if already present on the feeder map, they are selected directly. By default there is no feeder section connection between the two electrical devices. All operations are only independent creation of the main line and the branch line, and the topological connection relation of the branch line and the main line needs to be created manually.
And judging whether the voltage grades of the two electrical devices are the same, if so, acquiring two terminals of the two electrical devices with the closest distance, and using the two terminals as follow-up feeder segments connected with other feeder segments, otherwise, finishing the execution.
The method comprises the steps of creating feeder segments in batches, selecting types of the feeder segments, selecting overhead lines or cable lines, inputting the number of the feeder segments to be created between the two electrical devices and an initial tower name, creating feeder segments with corresponding number, creating virtual electrical devices between the feeder segments, defaulting the created electrical devices to be virtual devices without representing specific device types, naming rules are that numbers in the initial tower name are named in an increasing mode, the types of the feeder segments are consistent with the types of the selected feeder segments, and the default names are that the middles of the device names at two ends are added with "-", for example, standby I line # 1-standby I line # 2.
After the electrical equipment is selected, the electrical equipment is converted into the specified equipment type, the specified equipment type comprises a load switch, a circuit breaker, a drop-out fuse, a fault indicator, a tower and the like, and the preview effect can be seen on the graph. And if the switching is not selected, the selected electrical equipment or the feeder line segment is still the virtual electrical equipment, and the default name is modified to be used as the name of the model for subsequent modeling.
Instantiating electrical equipment and feeder section primitives on a graph according to the converted electrical equipment type, wherein for two-terminal equipment, such as a circuit breaker, feeder sections at two ends of the equipment are respectively connected with different terminals of the electrical equipment; the virtual electrical device is not created, and the two feeder segments connecting the virtual device meet and become one in the actual creation process. And calculating the Manhattan distance between the initial two electrical equipment terminals, uniformly distributing all the electrical equipment between the initial two electrical equipment terminals, and connecting the electrical equipment terminals through feeder line segments.
And obtaining common model information such as feeder lines, voltage grades and the like to which the model information of the initial two electrical devices belongs, modeling the electrical devices and the feeder line sections by using the obtained common model information and the names of the electrical devices and the feeder line sections, and binding the model information to corresponding primitives.
And finally, updating the topological connection relation between the electrical equipment and the feeder line section.
According to the embodiment of the invention, the feeder line segment is established between the two electrical devices, the virtual electrical device is established between the feeder line segments, the virtual electrical device is converted into the specified device type, the related device and the feeder line segment primitive are instantiated on the graph according to the converted device type, the related model information is obtained, the model information is bound with the corresponding primitive, and the topological connection relation between the electrical device and the feeder line segment is updated, so that the rapid drawing modeling of the single line diagram main line and the branch line of the power distribution network is realized, the times of manually establishing the primitive is reduced, the process of establishing the model is simplified, the layout is automatically adjusted, and the drawing modeling efficiency is improved.
As shown in fig. 2, an embodiment of the present invention further discloses a rapid mapping modeling system for a distribution network, where the system includes:
the feeder line section creating module is used for inputting the number of feeder line sections created in batch after two electrical devices which are not connected are selected, automatically creating feeder line sections with corresponding number, and creating virtual devices between the feeder line sections;
the device type switching module is used for switching the virtual device into an electrical device of a specified type through a simulation dialog box, and automatically creating a feeder line segment and switching the feeder line segment into the electrical device of a specific type;
the primitive instantiation module is used for instantiating electrical equipment and feeder line section primitives on a graph, calculating the Manhattan distance between the initial two electrical equipment, and uniformly distributing the electrical equipment established in the process between the specified electrical equipment according to the Manhattan distance between every two electrical equipment;
and the model creating module is used for creating a model of newly added electrical equipment and feeder line segments between the two initial electrical equipment, binding primitives and updating the topological connection relation between the graph and the model.
Two electrical devices are drawn and modeled at appropriate locations in the feeder map, and if already present on the feeder map, they are selected directly. By default there is no feeder section connection between the two electrical devices. All operations are only independent creation of the main line and the branch line, and the topological connection relation of the branch line and the main line needs to be created manually.
And judging whether the voltage grades of the two electrical devices are the same, if so, acquiring two terminals of the two electrical devices with the closest distance, and using the two terminals as follow-up feeder segments connected with other feeder segments, otherwise, finishing the execution.
The method comprises the steps of creating feeder segments in batches, selecting types of the feeder segments, selecting overhead lines or cable lines, inputting the number of the feeder segments to be created between the two electrical devices and an initial tower name, creating feeder segments with corresponding number, creating virtual electrical devices between the feeder segments, defaulting the created electrical devices to be virtual devices without representing specific device types, naming rules are that numbers in the initial tower name are named in an increasing mode, the types of the feeder segments are consistent with the types of the selected feeder segments, and the default names are that the middles of the device names at two ends are added with "-", for example, standby I line # 1-standby I line # 2.
After the electrical equipment is selected, the electrical equipment is converted into the specified equipment type, the specified equipment type comprises a load switch, a circuit breaker, a drop-out fuse, a fault indicator, a tower and the like, and the preview effect can be seen on the graph. And if the switching is not selected, the selected electrical equipment or the feeder line segment is still the virtual electrical equipment, and the default name is modified to be used as the name of the model for subsequent modeling.
Instantiating electrical equipment and feeder section primitives on a graph according to the converted electrical equipment type, wherein for two-terminal equipment, such as a circuit breaker, feeder sections at two ends of the equipment are respectively connected with different terminals of the electrical equipment; the virtual electrical device is not created, and the two feeder segments connecting the virtual device meet and become one in the actual creation process. And calculating the Manhattan distance between the initial two electrical equipment terminals, uniformly distributing all the electrical equipment between the initial two electrical equipment terminals, and connecting the electrical equipment terminals through feeder line segments.
And obtaining common model information such as feeder lines, voltage grades and the like to which the model information of the initial two electrical devices belongs, modeling the electrical devices and the feeder line sections by using the obtained common model information and the names of the electrical devices and the feeder line sections, and binding the model information to corresponding primitives.
And finally, updating the topological connection relation between the electrical equipment and the feeder line section.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A rapid drawing modeling method for a power distribution network is characterized by comprising the following operations:
after two electrical devices which are not connected are selected, the number of feeder line sections which are created in batch is input, feeder line sections with corresponding number are automatically created, and meanwhile virtual devices are created between the feeder line sections;
switching the virtual equipment into the electrical equipment of the specified type through the simulation dialog box, and automatically creating a feeder line segment and switching the feeder line segment into the electrical equipment of the specific type;
instantiating electrical equipment and feeder line section primitives on a graph, calculating the Manhattan distance between the initial two electrical equipment, and uniformly distributing the electrical equipment established in the process between the specified electrical equipment according to the Manhattan distance between every two electrical equipment;
and obtaining model information, binding the primitives, and updating the graph and model topology connection relation between the two initial electrical devices.
2. The rapid graphical modeling method for power distribution networks according to claim 1, wherein the voltage levels of the two electrical devices need to be the same.
3. The power distribution network rapid drawing modeling method according to claim 1, wherein the specified types of electrical equipment include load switches, circuit breakers, drop-out fuses, fault indicators, and towers.
4. The power distribution network rapid drawing modeling method according to claim 1, wherein the model information comprises common model information of the feeder line and the voltage class.
5. The rapid drawing modeling method for the power distribution network according to claim 1, wherein when the electrical equipment of the specified type is a two-terminal equipment, feeder sections at two ends of the equipment are respectively connected with different terminals of the electrical equipment; the virtual electrical device is not created, and the two feeder segments connecting the virtual device are converged into one in the actual creation process.
6. A rapid mapping modeling system for a power distribution network, the system comprising:
the feeder line section creating module is used for inputting the number of feeder line sections created in batch after two electrical devices which are not connected are selected, automatically creating feeder line sections with corresponding number, and creating virtual devices between the feeder line sections;
the device type switching module is used for switching the virtual device into an electrical device of a specified type through a simulation dialog box, and automatically creating a feeder line segment and switching the feeder line segment into the electrical device of a specific type;
the primitive instantiation module is used for instantiating electrical equipment and feeder line section primitives on a graph, calculating the Manhattan distance between the initial two electrical equipment, and uniformly distributing the electrical equipment established in the process between the specified electrical equipment according to the Manhattan distance between every two electrical equipment;
and the model creating module is used for creating a model of newly added electrical equipment and feeder line segments between the two initial electrical equipment, binding primitives and updating the topological connection relation between the graph and the model.
7. The rapid graphical modeling system for power distribution networks according to claim 6, wherein the voltage levels of said two electrical devices need to be the same.
8. The power distribution network rapid drawing modeling system according to claim 6, wherein the specified types of electrical equipment include load switches, circuit breakers, drop-out fuses, fault indicators, and towers.
9. The power distribution network rapid drawing modeling system according to claim 6, wherein the model information comprises common model information of the feeder line and the voltage class.
10. The power distribution network rapid drawing modeling system according to claim 6, wherein when the electrical device of the specified type is a two-terminal device, the feeder sections at two ends of the device are respectively connected to different terminals of the electrical device; the virtual electrical device is not created, and the two feeder segments connecting the virtual device are converged into one in the actual creation process.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115631309A (en) * | 2022-12-21 | 2023-01-20 | 广东电网有限责任公司江门供电局 | Three-dimensional modeling method and device for power distribution network equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115631309A (en) * | 2022-12-21 | 2023-01-20 | 广东电网有限责任公司江门供电局 | Three-dimensional modeling method and device for power distribution network equipment |
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