CN116150963A - Digital model modeling method for power generation and transformation equipment - Google Patents
Digital model modeling method for power generation and transformation equipment Download PDFInfo
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Abstract
A modeling method for a digital model of power generation and transformation equipment comprises the following steps: step 1, building an instantiation structure model of a power plant: referring to KKS coding rules and dictionaries, and automatically generating a device KKS coding tree according to the selected station template; step 2: associating the physical devices; step 3, configuring equipment information; step 4, configuring a tree diagram; step 5: judging whether to update the instantiation data according to the new standard and the notification corresponding to the standard change; step 6: and importing and exporting a power plant system equipment coding table. The modeling method for the digital model of the power generation and transformation equipment has openness and expansibility, can be flexibly expanded according to different characteristics of the power generation and transformation equipment, and is suitable for the fields of calculation and analysis of the digital model of the power generation and transformation equipment such as state trend prediction, fault diagnosis and the like.
Description
Technical Field
The invention relates to the technical field of modeling of power generation and transformation equipment, in particular to a modeling method of a digital model of power generation and transformation equipment.
Background
A large number of power plants are administered by large power generation enterprises, which comprise power generation and transformation equipment of different characteristic parameters. The digital model of each power generation and transformation device needs to reflect the actual characteristic parameters of the device, so the digital model of each device needs to be independently constructed.
In the prior art, a digital model of the power generation and transformation equipment needs to be constructed manually. The model construction of each device requires artificial selection of algorithms, determination of model structure, and optimization of model parameters. When a large number of devices of the same type exist, the reusability of the existing model is not strong, and the digitized model cannot be quickly transplanted into the model construction work of the devices of the same type, so that a lot of repeated work is generated, and the construction of the digitized model of the power generation and transformation device becomes heavy and trivial work. How to accurately and efficiently build a digitized model of a power generation and transformation device is a problem.
Disclosure of Invention
In order to solve the technical problems, the invention provides a digital model modeling method of power generation and transformation equipment, which aims to cut a logic structure according to the established logic structure of a system-equipment-part and combining the specific situation of an actual project so as to model the physical structure of the system-equipment-part under a power plant and form the mapping of the structure and the attribute of the actual power plant in the digital world. The invention has openness and expansibility, can flexibly expand according to different characteristics of the power generation and transformation equipment, and is suitable for the fields of digital model calculation and analysis such as state trend prediction, fault diagnosis and the like of the power generation and transformation equipment.
The technical scheme adopted by the invention is as follows:
a modeling method for a digital model of power generation and transformation equipment comprises the following steps:
referring to KKS coding rules and dictionaries, and automatically generating a device KKS coding tree according to the selected station template;
step 2: associating physical devices, comprising the steps of:
s2.1: selecting a device node, newly adding and storing an input device object name, a device object code and a device effective time dictionary;
s2.2: importing the downloaded station template, and importing equipment physical information according to the station template;
s2.3: and automatically loading the equipment physical code in the ePMS.
s3.1: selecting a device node, inquiring a device type corresponding to the device node, selecting a device type, loading all types under the device type, selecting a model, and hanging the device classification information under the model under the selected device;
s3.2: selecting a downstream connection equipment button, popping up a complete power plant equipment structure tree, and selecting needed father node equipment for configuration;
s3.3: and storing the input of the position of the equipment, the name of the cabinet where the equipment or the part is, and the installation position of the equipment or the part in the cabinet.
Step 4, configuring a tree diagram, which comprises the following steps:
s4.1: adding sub-node equipment from the power plant equipment structure tree by selecting needed equipment nodes layer by layer until all the sub-nodes of the layers are selected, and generating a power plant system equipment tree diagram;
s4.2: and (5) exporting a built power plant system equipment tree diagram.
Step 5: judging whether to update the instantiation data according to the new standard and the notification corresponding to the standard change;
step 6: importing and exporting a power plant system equipment coding table:
and (3) importing: supporting the importing of a KKS coding table which is manually manufactured under a line;
and (3) export: and exporting and generating a KKS code table of the power plant system equipment.
In the step 1, the power plant instantiation structure model includes:
selecting and configuring a power plant: selecting an existing power plant or a newly added power plant;
selecting a factory station template: before the factory station template is selected, initializing and loading a related template of the hierarchical structure class standard by a power plant system, and selecting a required factory station template;
automatically generating KKS codes: automatically generating KKS codes by the power plant system according to the selected plant station template by referring to KKS coding rules and dictionaries to form a KKS coding tree of whole plant equipment;
copy object: the copy object function is supported. Clicking for editing, inputting a prefix, a suffix and a copy number, clicking for determining, copying designated numbers of the KKS code tree nodes and the descendant nodes of the selected equipment, and automatically generating KKS codes in the operation process;
editing: supporting the node name of the KKS code tree of the modifying equipment;
deletion: when deleted, prompt the client "determine to delete this node? "delete the node and corresponding descendant node if the client agrees to delete;
reintroducing the top level system: selecting a certain top-level system, clicking and reintroducing the top-level system, and reselecting a system template to automatically generate KKS codes in the operation process;
updating attribute information in batches: the method supports a batch import function, can directly import edited files on line, and can update the equipment real object information, the equipment classification information and the like in batches in an import mode.
In the step 2, the physical equipment comprises a generator and a transformer; the extraction attributes include:
extraction properties of the generator: reactance parameters such as rated capacity/voltage/current of the generator, a per unit value of a transient reactance of a direct axis, excitation parameters and the like;
extraction properties of the transformer: main transformer positive sequence/zero sequence reactance per unit value, main transformer high/low voltage side reference current/reference voltage/reference capacity, etc.
An instantiation definition method of a digital model of power generation and transformation equipment is characterized by comprising the following steps of:
firstly, referring to a KKS coding rule and a dictionary by an equipment modeling and KKS coding auxiliary tool, and automatically generating an equipment KKS coding tree according to a selected system-equipment structure template;
then, the structure of the power plant system equipment is appropriately increased or decreased according to the actual condition of the plant station;
secondly, carrying out corresponding hooking of physical assets, equipment classification and parts on the equipment;
and finally, configuring downstream connection equipment to form a power plant system equipment tree diagram.
The invention relates to a modeling method for a digital model of power generation and transformation equipment, which has the following technical effects:
1) The method has openness and expansibility, can flexibly expand according to different characteristics of the power generation and transformation equipment, and is suitable for the fields of digital model calculation and analysis such as state trend prediction, fault diagnosis and the like of the power generation and transformation equipment.
2) The method has good expansibility, taking a generator and a transformer as examples, and for newly added generator or transformer equipment, the method can be modified according to a digital model of equipment with the same model of equipment manufacturer, so as to generate the digital model containing unique characteristics of the generator and the transformer.
Drawings
FIG. 1 is a schematic diagram of a modeling flow of the present invention.
FIG. 2 is a plant system equipment tree diagram of the present invention.
FIG. 3 is an exemplary model loading template interface diagram of the present invention.
Fig. 4 is a diagram of KKS encoding rules and dictionary interfaces in accordance with the present invention.
Fig. 5 is a diagram of a factory wide equipment KKS code tree interface in accordance with the present invention.
FIG. 6 is a diagram of an operator interface for copying objects and automatically generating KKS codes in accordance with the present invention.
FIG. 7 is a diagram of a re-import top level system operator interface according to the present invention.
FIG. 8 is a system-device architecture template interface diagram of the present invention.
Fig. 9 is a device location information configuration interface of the present invention.
Detailed Description
The invention provides an instantiation definition and transplanting method for constructing a digital model of power generation and transformation equipment, which aims at the fact that the digital model is required to be constructed for the power generation and transformation equipment in a power system, develops calculation such as equipment state trend prediction and fault diagnosis, and the like, and facilitates transplanting principles along with equipment position change, establishes a logic structure according to the established system-equipment-part, cuts the logic structure according to specific conditions of actual projects, realizes modeling of the physical structure of the system-equipment-part under a power plant, and forms mapping of the structure and attribute of the actual power plant in the digital world.
In the process of instantiation, firstly, referring to a KKS coding rule and a dictionary, and automatically generating a device KKS coding tree according to a selected template; then, the structure of the power plant system equipment is appropriately increased or decreased according to the actual condition of the plant station; secondly, carrying out corresponding hooking of physical assets, equipment classification and parts on the equipment; and finally, configuring downstream connection equipment to form a power plant system equipment tree diagram.
A modeling method for a digital model of power generation and transformation equipment, as shown in figure 1, comprises the following steps:
referring to KKS coding rules and dictionaries, and automatically generating a device KKS coding tree according to the selected station template;
step 2: associating physical devices, comprising the steps of:
s2.1: selecting a device node, newly adding and storing an input device object name, a device object code and a device effective time dictionary;
s2.2: importing the downloaded station template, and importing equipment physical information according to the station template;
s2.3: and automatically loading the equipment physical code in the ePMS. The ePMS system is a power production management information system.
s3.1: selecting a device node, inquiring a device type corresponding to the device node, selecting a device type, loading all types under the device type, selecting a model, and hanging the device classification information under the model under the selected device;
s3.2: selecting a downstream connection equipment button, popping up a complete power plant equipment structure tree, and selecting needed father node equipment for configuration;
s3.3: and storing the input of the position of the equipment, the name of the cabinet where the equipment or the part is, and the installation position of the equipment or the part in the cabinet.
Step 4, configuring a tree diagram, which comprises the following steps:
s4.1: adding sub-node equipment from the power plant equipment structure tree by selecting needed equipment nodes layer by layer until all the sub-nodes of the layers are selected, and generating a power plant system equipment tree diagram;
s4.2: a built plant system equipment tree diagram is derived as shown in fig. 2.
Further comprising the step 5: judging whether to update the instantiation data according to the new standard and the notification corresponding to the standard change;
further comprising step 6: importing and exporting a power plant system equipment coding table:
and (3) importing: supporting the importing of a KKS coding table which is manually manufactured under a line;
and (3) export: and exporting and generating a KKS code table of the power plant system equipment.
In the step 1, the power plant instantiation structure model includes:
selecting and configuring a power plant: selecting an existing power plant or a newly added power plant;
selecting a factory station template: before the factory station template is selected, initializing and loading a related template of the hierarchical structure class standard by a power plant system, and selecting a required factory station template;
the relevant templates for loading the hierarchy class criteria are shown in figure 3.
Automatically generating KKS codes: as shown in fig. 4, the power plant system refers to the KKS coding rules and dictionary to automatically generate KKS codes according to the selected plant template, so as to form a whole plant device KKS coding tree, as shown in fig. 5.
KKS codes originate in germany and KKS is an abbreviation of the german word "Kraftwerk Kennzeichen System" in the sense of a power plant identification system which explicitly identifies the coding rules system of systems, devices, components and building (construction) structures in the power plant according to function, model and installation location. The KKS coding rule is classified according to a certain logic to construct a dictionary, so that the query and the use are convenient. The KKS coding is carried out on all equipment and components in the whole factory, and the equipment and components are arranged according to a hierarchical structure to form a KKS coding tree of all equipment in the whole factory.
Copy object: the copy object function is supported. As shown in fig. 6, click editing, then inputting prefix, suffix and copy number, clicking to determine that the designated numbers are copied to the selected device KKS code tree node and the offspring node, and automatically generating KKS codes in the operation process;
editing: supporting the node name of the KKS code tree of the modifying equipment;
deletion: when deleted, prompt the client "determine to delete this node? "delete the node and corresponding descendant node if the client agrees to delete;
reintroducing the top level system: as shown in fig. 7, a certain top-level system is selected, the top-level system is a system/device at the upper layer of the device tree, and a system template such as a 'hydro-generator set' can be reselected by clicking and reintroducing the top-level system, so that a KKS code is automatically generated in the operation process;
updating attribute information in batches: the batch import function is supported, and the edited files can be directly imported on line, for example, the equipment physical information, the equipment classification information and the like can be updated in batches in an import mode;
expanding tree nodes: as shown in fig. 7, clicking "+" before the tree node expands the root node, such as "hydro-generator set" and child/grandchild nodes, such as "generator system" and "upper guide bearing system" are child nodes and grandchild nodes of "hydro-generator set", respectively. The method comprises the steps of carrying out a first treatment on the surface of the
Gathering tree nodes: as shown in FIG. 7, clicking on the "-" before the tree node, the node closes, and only the root node is visible.
In the step 2, the physical equipment comprises a generator and a transformer; the extraction attributes include:
extraction properties of the generator: reactance parameters such as rated capacity/voltage/current of the generator, a per unit value of a transient reactance of a direct axis, excitation parameters and the like;
extraction properties of the transformer: main transformer positive sequence/zero sequence reactance per unit value, main transformer high/low voltage side reference current/reference voltage/reference capacity, etc.
An instantiation definition method of a digital model of power generation and transformation equipment,
firstly, as shown in fig. 8, the device modeling and KKS coding auxiliary tool refers to KKS coding rules and dictionaries, and automatically generates a device KKS coding tree according to the selected system-device structure template;
then, the structure of the power plant system equipment is appropriately increased or decreased according to the actual condition of the plant station;
secondly, carrying out corresponding hooking of physical assets, equipment classification and parts on the equipment;
and finally, configuring downstream connection equipment to form a power plant system equipment tree diagram.
Taking the construction of a Ge Zhouba hydroelectric generating set digital model as an example, the model instantiation definition and transplanting method is described as follows:
step (1), modeling an instantiation structure of a Ge Zhou dam power plant:
selecting and configuring a power plant: selecting a Ge Zhou dam power plant;
selecting a factory station template: before selecting the template, the system initializes the relevant template for loading the hierarchical structure class standard and selects the required template;
automatically generating KKS codes: automatically generating KKS codes by using a system quoting KKS coding rule and a dictionary according to the selected template to form a whole plant equipment KKS coding tree;
copy object: clicking edit, inputting prefix, suffix and copy number, clicking to confirm that the selected node and sub-node copy assigned number, automatically generating KKS code in operation process;
reintroducing the top level system: selecting a top-level system 'Ge Zhou dam power station', clicking and reintroducing the top-level system, and reselecting a system template to automatically generate KKS codes in the operation process;
updating attribute information in batches: the edited files are directly imported on line, for example, the device physical information, the device classification information and the like can be updated in batches in an importing mode.
Step (2), device physical association:
the device physical association can be performed in two ways. The first way is import. Downloading the template before importing, and importing the real information according to the template. The second mode is loading, and the system can automatically load the physical asset codes in the existing system through an interface.
Step (3), configuration information:
device classification and coding: selecting a device node, inquiring the corresponding device type of the device, loading all types under the type after the type is selected, selecting the type, and hanging the device classification information under the type under the selected device;
downstream connection device: and configuring downstream connection equipment of the equipment to generate a tree diagram as a basis. Selecting a downstream connection device button, popping up a complete device tree, selecting a superior device or system of a device to be configured, and determining that configuration is successful;
device location information: and (3) inputting the position of the equipment, the name of the cabinet where the equipment or the part is, and the installation position of the equipment or the part in the cabinet, clicking and storing the three attributes, and storing the three attributes.
As shown in fig. 9, taking a Ge Zhou dam power plant 01# hydroelectric generating set water turbine as an example, the "equipment location" is Ge Zhou dam power plant two river factory building, "the" equipment or component is the "01# hydroelectric generating set" in the name of the cabinet, and the "installation location of the equipment or component in the cabinet" is the "water turbine layer".
Step (4), tree diagram configuration:
creating a topology: and constructing a power plant equipment connection topology according to the created physical power plant equipment structure and the power plant equipment structure generated by the KKS code. Namely: and selecting the required nodes from the power plant equipment structure tree layer by layer, adding downstream connection equipment until all the hierarchy sub-nodes are selected, and generating a power plant equipment tree diagram, see fig. 2.
Step (5), receiving a change notification:
ge Zhou the dam power plant is instantiated, the equipment classification coding dictionary is used, the role of the user who makes Ge Zhou the dam power plant when the equipment classification coding dictionary is changed is notified, and whether to update the instantiation data is judged according to the notification.
Step (6), a system device KKS coding table:
and (3) importing: supporting the importing of a KKS coding table which is manually manufactured under a line;
and (3) export: the export generates Ge Zhou a dam plant KKS code table as shown in table 1.
Table 1 Ge Zhou KKS encoding table for power plant equipment of dam
Claims (6)
1. The modeling method for the digital model of the power generation and transformation equipment is characterized by comprising the following steps of:
step 1, building an instantiation structure model of a power plant:
referring to KKS coding rules and dictionaries, and automatically generating a device KKS coding tree according to the selected station template;
step 2: associating physical devices, comprising the steps of:
s2.1: selecting a device node, newly adding and storing an input device object name, a device object code and a device effective time dictionary;
s2.2: importing the downloaded station template, and importing equipment physical information according to the station template;
s2.3: automatically loading the equipment physical code in the ePMS;
step 3, configuring equipment information, which comprises the following steps:
s3.1: selecting a device node, inquiring a device type corresponding to the device node, selecting a device type, loading all types under the device type, selecting a model, and hanging the device classification information under the model under the selected device;
s3.2: selecting a downstream connection equipment button, popping up a complete power plant equipment structure tree, and selecting needed father node equipment for configuration;
s3.3: the method comprises the steps of inputting and storing a position of equipment, a name of a cabinet where the equipment or the part is located and an installation position of the equipment or the part in the cabinet;
step 4, configuring a tree diagram, which comprises the following steps:
s4.1: adding sub-node equipment from the power plant equipment structure tree by selecting needed equipment nodes layer by layer until all the sub-nodes of the layers are selected, and generating a power plant system equipment tree diagram;
s4.2: and (5) exporting a built power plant system equipment tree diagram.
2. The method for modeling a digitized model of a power generation and transformation device according to claim 1, wherein the method comprises the following steps: further comprising the step 5: and judging whether to update the instantiation data according to the new standard and the notification corresponding to the standard change.
3. The method for modeling a digitized model of a power generation and transformation device according to claim 1, wherein the method comprises the following steps: further comprising step 6: importing and exporting a power plant system equipment coding table:
and (3) importing: supporting the importing of a KKS coding table which is manually manufactured under a line;
and (3) export: and exporting and generating a KKS code table of the power plant system equipment.
4. The method for modeling a digitized model of a power generation and transformation device according to claim 1, wherein the method comprises the following steps: in the step 1, the power plant instantiation structure model includes:
selecting and configuring a power plant: selecting an existing power plant or a newly added power plant;
selecting a factory station template: before the factory station template is selected, initializing and loading a related template of the hierarchical structure class standard by a power plant system, and selecting a required factory station template;
automatically generating KKS codes: automatically generating KKS codes by the power plant system according to the selected plant station template by referring to KKS coding rules and dictionaries to form a KKS coding tree of whole plant equipment;
copy object: support the function of copying the object; clicking for editing, inputting a prefix, a suffix and a copy number, clicking for determining, copying designated numbers of the KKS code tree nodes and the descendant nodes of the selected equipment, and automatically generating KKS codes in the operation process;
editing: supporting the node name of the KKS code tree of the modifying equipment;
deletion: prompting the client to determine that the node is to be deleted when deleting, and deleting the node and the corresponding descendant node if the client agrees to delete;
reintroducing the top level system: selecting a certain top-level system, clicking and reintroducing the top-level system, and reselecting a system template to automatically generate KKS codes in the operation process;
updating attribute information in batches: the method supports a batch import function, can directly import edited files on line, and can update the equipment real object information, the equipment classification information and the like in batches in an import mode.
5. The method for modeling a digitized model of a power generation and transformation device according to claim 1, wherein the method comprises the following steps: in the step 2, the physical equipment comprises a generator and a transformer; the extraction attributes include:
extraction properties of the generator: reactance parameters such as rated capacity/voltage/current of the generator, a per unit value of a transient reactance of a direct axis, excitation parameters and the like;
extraction properties of the transformer: main transformer positive sequence/zero sequence reactance per unit value, main transformer high/low voltage side reference current/reference voltage/reference capacity, etc.
6. An instantiation definition method of a digital model of power generation and transformation equipment is characterized by comprising the following steps of:
firstly, referring to a KKS coding rule and a dictionary by an equipment modeling and KKS coding auxiliary tool, and automatically generating an equipment KKS coding tree according to a selected system-equipment structure template;
then, the structure of the power plant system equipment is appropriately increased or decreased according to the actual condition of the plant station;
secondly, carrying out corresponding hooking of physical assets, equipment classification and parts on the equipment;
and finally, configuring downstream connection equipment to form a power plant system equipment tree diagram.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116910130A (en) * | 2023-09-08 | 2023-10-20 | 中国长江电力股份有限公司 | Construction method of industrial data middle platform frame for hydropower equipment |
| CN117034663A (en) * | 2023-10-10 | 2023-11-10 | 北京龙德缘电力科技发展有限公司 | Model generation method based on dynamic data injection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116910130A (en) * | 2023-09-08 | 2023-10-20 | 中国长江电力股份有限公司 | Construction method of industrial data middle platform frame for hydropower equipment |
| CN116910130B (en) * | 2023-09-08 | 2023-12-26 | 中国长江电力股份有限公司 | Construction method of industrial data middle platform frame for hydropower equipment |
| CN117034663A (en) * | 2023-10-10 | 2023-11-10 | 北京龙德缘电力科技发展有限公司 | Model generation method based on dynamic data injection |
| CN117034663B (en) * | 2023-10-10 | 2024-01-09 | 北京龙德缘电力科技发展有限公司 | Model generation method based on dynamic data injection |
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