CN112152315A - IEC 61970-based electric power video public information model modeling method - Google Patents
IEC 61970-based electric power video public information model modeling method Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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Abstract
The invention discloses a power video common information model modeling method based on IEC61970, which comprises the steps of carrying out abstract analysis on equipment and lines related to video monitoring in a transformer substation, extracting and abstracting a common object, and comparing attributes and attribute types of various types in a power video monitoring package with attributes and attribute types of standard abstract classes in a standard CIM (common information model) specified by the IEC61970 standard to obtain classes which do not belong to the standard abstract classes in the power video monitoring package; performing model extension on classes which do not belong to the standard abstract class in the power video monitoring package to obtain a power video public information model; hanging a power video common information model on the standard CIM model; the power video monitoring package is expanded on the basis of a standard CIM model, namely, a video and environment monitoring technology is introduced into a transformer substation, so that operators can monitor the operation of stations and equipment more intuitively and accurately without personnel on duty, and a foundation is provided for the construction of unmanned stations and intelligent stations in the future.
Description
Technical Field
The invention belongs to the technical field of power system monitoring, and particularly relates to a power video public information model modeling method based on IEC 61970.
Background
With the increasing development of substation automation technology, the operation mode of an unattended substation becomes a trend. At present, a plurality of transformer substations realize the functions of ' four remote ', namely remote signaling, remote measuring, remote control and remote regulation, and a transformer substation video and environment monitoring technology is introduced into an unattended system of the transformer substation as the fifth remote-remote vision ', so that real-time images of the operation conditions of various devices of the transformer substation can be provided for a monitoring center, the visual monitoring and dispatching of a power grid are realized, and the safety and reliability of the operation and maintenance of the transformer substation are improved; various accidents and alarm information on the site can be recorded, and first hand data can be provided for accident analysis.
The IEC61970 CIM model describes all the main objects of an electric power enterprise, in particular those related to the operation of electric power. By providing a standard method of identifying power system resources with object classes and attributes and relationships between them. The IEC61970 model effectively integrates three data sources of a production management system, a scheduling automation system and an online monitoring system, and guarantees the work of equipment state maintenance, emergency command and the like. The IEC61970 model is the core part of the whole system and consists of a basic model, an expansion model and the like. Wherein, the basic model mainly selects a Power System Resource (Power System Resource) System management Power grid model, an Asset (Asset) System management trap report, and a Measurement (Measurement) System management Power grid operation data and monitoring data. The contents of the extension model extended on the basis model include: the monitoring points and the monitoring devices, equipment tests, supporting equipment and other parts required by unified management of the state monitoring data of the power transmission and transformation equipment. However, the IEC61970 model does not extend the video and environment monitoring part of the transformer substation, and the unattended operation of the transformer substation cannot be realized.
Disclosure of Invention
The invention aims to provide a power video public information model modeling method based on IEC61970, which aims to solve the problems that the existing IEC61970 model does not expand the transformer substation videos and the environment monitoring part and the like.
One or more of the above objects are solved by the solution of the independent claims of the present invention.
The invention solves the technical problems through the following technical scheme: an electric power video public information model modeling method based on IEC61970 comprises the following steps:
according to the IEC61970 standard, abstract analysis is carried out on equipment and lines related to video monitoring in a transformer substation, public objects are extracted and abstracted, each object is classified according to predefined rules, and each type of object forms an electric power video monitoring package;
defining the association relationship among various types, the attributes of various types, the attribute types of various types and the association relationship among various objects;
comparing the attributes and attribute types of various types in the power video monitoring package with the attributes and attribute types of standard abstract types in a standard CIM (common information model) specified by IEC61970 standard to obtain the types which do not belong to the standard abstract types in the power video monitoring package;
according to a standard CIM (common information model) specified by IEC61970 standard, performing model expansion on classes which do not belong to the standard abstract class in the power video monitoring package to obtain a power video common information model;
saving the power video public information model; and hanging a power video common information model on the standard CIM model.
According to the modeling method, the power video monitoring package is expanded on the basis of a standard CIM model, namely, a video and environment monitoring technology is introduced into a transformer substation, so that operators can monitor the operation of stations and equipment more intuitively and accurately without personnel on duty, and a foundation is provided for the construction of unmanned stations and intelligent stations in the future; the method enables video and environment monitoring related systems or equipment to be seamlessly accessed into an original management system by uniformly describing the information content of the video and environment monitoring part, realizes interconnection and interoperation, and improves the operation level and the intelligent degree of a power grid company.
Further, the classifying each object according to the predefined rule includes: determining the attributes of the objects, and classifying each object according to the attributes of the objects.
Further, the power video monitoring package comprises a monitoring unit class, a monitoring terminal class, a presetting bit class, a remote vision class and an environmental information class.
Furthermore, the monitoring unit class comprises a video and environment monitoring system, a video information substation, a local RPU and an environment monitoring host; the monitoring terminal class comprises various monitoring terminals; the preset bit class comprises preset bits of various monitoring terminals; the remote vision class comprises remote vision data acquired by a monitoring terminal, and the remote vision data comprises videos, pictures and analytic quantities; the environmental information class includes environmental information collected by an environmental sensor.
Further, the remote-view category attributes comprise remote-view type, resolution and remote-view uniform resource locator; the attributes of the monitoring unit class comprise a monitoring unit ID and a monitoring unit type; the attributes of the preset bit class comprise a preset bit index, a monitoring terminal identifier, an X-direction angle, a Y-direction angle and a focal length; the attributes of the monitoring terminal class comprise a monitoring terminal ID, a monitoring terminal type, a pixel, a picture resolution type, a monitoring terminal appearance, an imaging color, a communication protocol, a communication interface type, a communication address and a communication port; the attribute of the context information class includes a context information ID.
Further, the association relationship between the classes includes an aggregation relationship, an inheritance relationship, and a simple association relationship.
Further, the standard CIM model comprises a core package, a domain package, a power generation package, a load model package, a measurement package, a shutdown package, a protection package, a topology package and a wire package; the core package comprises a naming class, a power system resource class, an equipment container class, a conductive equipment class, a terminal class, a transformer substation class and a voltage class.
Further, the specific step of hanging the power video common information model to the standard CIM model is as follows:
establishing an SVG (scalable vector graphics) graph corresponding to the standard CIM according to each equipment graphic symbol in the standard CIM, and establishing an association relation between the standard CIM and the SVG graph to form a CIM _ SVG graph model;
and associating the class and the object in the power video public information model with the standard abstract class and the object in the CIM _ SVG graph model, namely, hanging the power video public information model on the CIM _ SVG graph model.
Further, the modeling method also comprises the step of converting a standard CIM model hung with the power video common information model into XML file data; transmitting the XML file data to a video master station through sFTP connection; the seamless communication connection between the video master station and the transformer substation is established, the interoperation and information interaction capacity between the transformer substation and the video master station is improved, and the deepened application of the transformer substation and the master station is promoted.
Advantageous effects
Compared with the prior art, the electric power video common information model modeling method based on IEC61970 provided by the invention has the advantages that an electric power video monitoring package is expanded on the basis of a standard CIM model, namely, a video and environment monitoring technology is introduced into a transformer substation, so that operators can more intuitively and accurately monitor the operation of stations and equipment without personnel on duty, and a foundation is provided for the construction of future unattended and intelligent stations; the method enables video and environment monitoring related systems or equipment to be seamlessly accessed into an original management system by uniformly describing the information content of the video and environment monitoring part, realizes interconnection and interoperation, and improves the operation level and the intelligent degree of a power grid company.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a diagram illustrating a video and environmental monitoring data model according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating the relationship between environmental information and measurement classes in an embodiment of the present invention;
FIG. 3 is a diagram illustrating a model of a video surveillance system and a video surveillance device according to an embodiment of the present invention;
FIG. 4 is a video image network architecture diagram in an embodiment of the present invention;
FIG. 5 is a diagram of a power video surveillance package model in an embodiment of the invention;
FIG. 6 is a diagram of a model of the connection of section 4.4.2.1 of DL/T890.301-2004 in accordance with an embodiment of the present invention;
FIG. 7 is a schematic diagram of a power video common information model hanging on the connection model of FIG. 6 according to an embodiment of the present invention;
fig. 8 is an association diagram between objects of the power video monitoring package in the embodiment of the present invention.
Detailed Description
The technical solutions in the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an IEC 61970-based electric power video public information model modeling method, which comprises the following steps:
1. the method comprises the steps of adopting an object-oriented modeling technology, using a Unified Modeling Language (UML) expression method, carrying out abstract analysis on video monitoring terminals and lines in the transformer substation according to IEC61970 standard, extracting and abstracting common objects, classifying each object according to predefined rules, and forming a power video monitoring package by various types. Each class at least comprises an object, and the association relationship among the classes, the attributes of the classes, the attribute types of the classes and the association relationship among the objects are defined.
The predefined rules classify each object including: determining the attributes of the objects, classifying each object according to the attributes of the objects, and forming a power video monitoring package by various types, wherein the power video monitoring package comprises a monitoring unit type, a monitoring terminal type, a presetting bit type, a remote vision type and an environmental information type. The monitoring unit class comprises a video and environment monitoring system, a video information substation, a local RPU and an environment monitoring host; the monitoring terminal class includes various monitoring terminals; the preset bit class comprises preset bits of various monitoring terminals; the remote vision class comprises remote vision data acquired by the monitoring terminal, and the remote vision data comprises videos, pictures and analytic quantities; the environmental information class includes environmental information collected by the environmental sensor.
The video and environment monitoring data mainly comprise videos and pictures acquired by a monitoring terminal and environment quantity information acquired by an environment sensor, and a video and environment monitoring data model is displayed as shown in fig. 1.
Remote viewing: the video and picture data do not belong to the measurement category, a named object is used as a parent class to create a remote view (remoteView) class, and the video and picture data are described in a unified mode. Remote viewing type: video and picture are used as two different types of data, and an enumeration class, namely a remote view type (remoteViewType), is created to serve as an inherent attribute of remote view. Source of remote vision (RemoteViewSource): the remote-view data can be uploaded from a video and environment monitoring system or from manual shooting, and a remote-view source (remoteViewSource) is created in order to standardize naming rules of the remote-view data source.
Environment information (environmental information): the environmental information is a general term of the Measurement (Measurement) class related to the environment (such as temperature, humidity, wind speed, water level, etc.), so the environmental information class is an aggregation of the Measurement class, and the relationship between the environmental information and the Measurement class is shown in fig. 2.
The video monitoring system and the video monitoring equipment belong to power system resources, and the model display is shown in fig. 3.
Monitoring unit (monitorngunit): the monitoring unit is an abstract general name of a video and environment monitoring system, a video information substation, a local RPU, an environment monitoring host and the like, the monitoring unit is used as a software system and inherits to the resources of an electric power system, and meanwhile, the monitoring unit is a warehouse and a processing mechanism of remote vision data and environment information data.
Monitoring unit type (monitorngunittype): the monitoring unit can be a video and environment monitoring system, a video information substation, a local RPU, an environment monitoring host, and the like, and an enumeration class, i.e., a monitoring unit type (MonitoringUnitType), is established as an inherent attribute of the monitoring unit.
Monitor terminal (monitorngterminal): the monitoring terminal refers to an abstract general term of physical monitoring equipment, and can be fixed (a fixed camera) or movable (a robot or an unmanned aerial vehicle). The monitoring terminal also inherits the power system resources and is associated with the monitoring unit by a monitoring point class.
Monitor terminal type (monitorngterminaltype): the monitoring terminal can be fixed (fixed camera) or mobile (robot, unmanned aerial vehicle), and an enumeration class, namely a monitoring terminal type, is fixedly created to serve as an inherent attribute of the monitoring terminal.
Monitoring point (monitorngpoint): the monitoring points are abstract association nodes and are mainly used for describing association relations between the monitoring terminals and the monitoring units. The monitoring point refers to a point location of video monitoring, and is not a specific installation position. For the monitoring terminal, the monitoring point is a preset bit; for the monitoring unit, it is an image source point.
In order to better represent the video image network architecture, a video master station class, a video substation class and a channel class are added, and the model thereof is shown in fig. 4.
The video master station: the system comprises a video monitoring system and a video monitoring service platform of an operation center terminal. The video image data is inherited from the power system resources, is an integrated warehouse of the video image data, and other high-level intelligent applications are developed based on the video master station. The video main station can be connected with a plurality of video substations through channels.
A video substation: namely a video monitoring system at the front end, a video information substation, a local RPU and the like. The video substation can be divided into multiple levels of substations (such as a level 1 substation, a level 2 substation and the like), and the video substation is a collection point and a primary processing station of front-end video image signals, so that one video substation class can correspond to multiple monitoring point classes.
A channel: the channel class refers to a channel for transmitting video image data and environmental information, and is also inherited to power system resources. Such a model may be used to describe the actual data transmission link.
The transmission mode is as follows: the enumerated classes created to describe the transmission mode of the video image data may be wired transmission and wireless transmission.
As shown in fig. 5, the power video monitoring package provides video and environment monitoring data models and classes of composition models, which are used to describe the video and environment monitoring data uniformly, and also establishes an association relationship with the existing model system of the power grid, and includes all classes required by the video and environment monitoring models, including classes of other packages from the standard DL/T890.301, such as measurement classes (Meas package), and power system resource classes (Core package). Classes, attributes and associations of the model itself.
The remote viewing is information such as some pictures, video recording, analytic amount and the like acquired by monitoring equipment.
The properties of remote view (remoteView) include intrinsic properties, which are shown in Table 1, and inherited properties, which are shown in Table 2.
TABLE 1 remote viewing intrinsic Properties
TABLE 2 inheritance Properties for remote viewing
| Name (R) | Type (B) | Description of the invention |
| Naming.aliasName | String | Arbitrary text names of objects or instances |
| Naming.description | String | Description information of objects or instances |
| Naming.name | String | Unique names of all objects belonging to the same parent object |
| Naming.pathName | String | pathName is a concatenation of all names of each container to which it belongs |
| Naming.mRID | String | Global identity |
The association of remote views (remoteView) is shown in Table 3.
TABLE 3 remote viewing proper correlation
The attribute of the remote view type (RemoteViewType) is shown in table 4.
TABLE 4 intrinsic Properties of remote View types
The monitoring unit (MonitoringUnit) is an integration of video picture information and environmental quantity information, and can be a video and environmental monitoring system, a local video monitoring RPU, an environmental quantity monitoring host computer and the like. The monitoring unit can communicate with the monitoring unit through different standard protocols (such as south network PG protocol, GB/T28181) to obtain remote vision and environment information. One monitoring unit may include a plurality of monitoring terminals (monitoring terminals) and a plurality of environment information (environment information). The monitoring unit (MonitoringUnit) inherits the device (Equipment) class.
The properties of the monitoring unit (MonitoringUnit) include inherent properties and inherited properties, as shown in table 5:
TABLE 5 intrinsic Properties of the monitoring Unit
| Name (R) | Type (B) | Description of the invention |
| unitId | String | Monitoring unit ID, PG protocol 16 bit ID, GB protocol 20 bit ID |
| unitType | MonitoringUnitType | Monitoring unit type |
TABLE 6 inherited Properties of monitoring units
| Name (R) | Type (B) | Description of the invention |
| Naming.aliasName | String | Arbitrary text names of objects or instances |
| Naming.description | String | Description information of objects or instances |
| Naming.name | String | Unique names of all objects belonging to the same parent object |
| Naming.pathName | String | pathName is a concatenation of all names of each container to which it belongs |
| Naming.mRID | String | Global identity |
The associations of the monitoring units (MonitoringUnit) are shown in table 7.
TABLE 7 Association of monitoring units
The attribute of the monitoring unit type (monitornganittype) is shown in table 8.
TABLE 8 attributes of monitoring Unit types
| Name (R) | Type (B) | Description of the invention |
| videoMonitoringSystem | Video and environment monitoring system | |
| localRPU | In-situ RPU | |
| environmentalMonitoringHos | Environment monitoring host | |
| networkVideoRecorder | Network video recorder NVR | |
| supervisoryTerminalUnit | Distribution STU | |
| transmissionlinesMonitoringDevice | Power transmission monitoring device |
The Preset positions (Preset) are point positions Preset by the monitoring system for the camera monitoring target, and can be quickly and accurately positioned to the Preset positions when the camera is controlled, so that the target is captured.
The attributes of the Preset bit (Preset) are shown in tables 9 and 10.
TABLE 9 inherent Properties of Preset bits
| Name (R) | Type (B) | Description of the invention |
| presetindex | Integer | Index of preset bits |
| monitoringTerminalID | String | Monitoring terminal identification |
| x-angle | Float | Angle in the X direction, unit: degree of rotation |
| y-angle | Float | Angle in the Y direction, unit: degree of rotation |
| focus | Float | Focal length, unit: millimeter |
Inherited Properties of Table 10 Preset bits
| Name (R) | Type (B) | Description of the invention |
| Naming.aliasName | String | Object orArbitrary text names of examples |
| Naming.description | String | Description information of objects or instances |
| Naming.name | String | Unique names of all objects belonging to the same parent object |
| Naming.pathName | String | pathName is a concatenation of all names of each container to which it belongs |
| Naming.mRID | String | Global identity |
The association of the Preset bits (Preset) is shown in Table 11.
Table 11 inherent association of preset bits
The monitoring terminal (monitorngterminal) refers to a video monitoring device (such as a video camera). The monitoring terminal can be fixed (fixed camera) or mobile (robot, unmanned aerial vehicle).
The attributes of the monitor terminal (monitorngterminal) are shown in tables 12 and 13.
Table 12 intrinsic properties of monitoring terminal
TABLE 13 inherited Properties of monitor terminals
| Name (R) | Type (B) | Description of the invention |
| Naming.aliasName | String | Arbitrary text names of objects or instances |
| Naming.description | String | Description information of objects or instances |
| Naming.name | String | Unique names of all objects belonging to the same parent object |
| Naming.pathName | String | pathName is a concatenation of all names of each container to which it belongs |
| Naming.mRID | String | Global identityIdentification |
The association of the monitoring terminal (monitorngterminal) is shown in table 14.
Table 14 intrinsic association of monitoring terminals
The attribute of the monitor terminal type (monitorngterminaltype) is shown in table 15.
Table 15 intrinsic properties of monitoring terminal types
| Name (R) | Type (B) | Description of the invention |
| fixedMonitoringTerminal | Fixing a monitoring terminal: such as a fixed camera | |
| mobileMonitoringTerminal | The mobile monitoring terminal: such as a track robot, a traveling robot, an unmanned aerial vehicle, etc |
The environmental information (environmental information) is a general term for environmental related measurements (such as temperature, humidity, wind speed, water level, etc.) in the Measurement (Measurement) class. Attributes of the environment information (EnvironmentalInformation) are shown in tables 16 and 17.
Table 16 inherent properties of environment information
| Name (R) | Type (B) | Description of the invention |
| Id | String | Environment information ID, PG protocol 16 bit ID, power distribution measuring point information and the like |
TABLE 17 inherited Properties of Environment information
| Name (R) | Type (B) | Description of the invention |
| Naming.aliasName | String | Arbitrary text names of objects or instances |
| Naming.description | String | Description information of objects or instances |
| Naming.name | String | Unique names of all objects belonging to the same parent object |
| Naming.pathName | String | pathName is a concatenation of all names of each container to which it belongs |
| Naming.mRID | String | Global identity |
The association of the environment information (EnvironmentalInformation) is shown in table 18.
TABLE 18 inherent Association of environmental information
The associations inherited from the measurements (Measurement) are shown in Table 19:
2. and comparing the attributes and attribute types of the various types in the power video monitoring package with the attributes and attribute types of the standard abstract type in the standard CIM specified by the IEC61970 standard to obtain the types which do not belong to the standard abstract type in the power video monitoring package.
The standard CIM model comprises a core package, a domain package, a power generation package, a load model package, a measurement package, a shutdown package, a protection package, a topology package and a wire package; the core package comprises a naming class, a power system resource class, an equipment container class, a conductive equipment class, a terminal class, a transformer substation class and a voltage class.
3. And according to a standard CIM model specified by the IEC61970 standard, performing model expansion on the classes which do not belong to the standard abstract class in the power video monitoring package to obtain a power video common information model.
4. Saving the power video public information model; and hanging the power video common information model to a standard CIM model.
The specific steps of hanging the power video common information model on the standard CIM model are as follows:
establishing an SVG (scalable vector graphics) graph corresponding to the standard CIM according to each equipment graphic symbol in the standard CIM, and establishing an association relation between the standard CIM and the SVG graph to form a CIM _ SVG graph model;
and associating the class and the object in the power video public information model with the standard abstract class and the object in the CIM _ SVG graph model, namely, hanging the power video public information model on the CIM _ SVG graph model.
The connection model is shown in FIG. 6, taking the connection and containment of DL/T890.301-2004, subsection 4.4.2.1 as an example. Figure 6 shows a T-junction transmission line across two substations, one of which contains two voltage levels connected by a transformer. The transmission line comprises two different cables. One of the voltage levels has a bus-section comprising a single bus and two very simple switching devices connected to the bus. The power video common information model is hung on the connection model of fig. 6, as shown in fig. 7.
In fig. 7, both the dashed box and the shaded box represent equipment containers, but the shaded box contains a higher level (representing a substation), the white box represents a reduction equipment, the white circle represents a connection node, the black circle represents Terminals, one Terminal belongs to one reduction equipment, and one connection node belongs to one equipment container.
For a detailed legend interpretation, see section 4.4.2.1 of DL/T890.301-2004. Correlation of remote vision and environmental information with a standard CIM model on a topological structure:
the environmental information temperature Temp1, the humidity Hum1 and the wind speed Win1 belong to the equipment container of the substation SS 2.
Remote vision RV1(Posi) of switch BR1 is directly associated with the opening/closing position measurement.
Remote vision RV2(Temp2) is directly related to transformer T1 temperature measurement (thermometer) Temp2, while RV3(Panorama) is a panoramic remote vision of the transformer, without a corresponding measurement correlation, but belonging to transformer T1.
RV050(Envir) and other remote vision are 400kV area equipment production environment monitoring information, belong to 400kV area this equipment container instead of substation SS2, but 400kV area is contained in substation SS2 from the hierarchical structure.
Security monitoring remote visual information such as RV100(Security) and RV101(Security) belongs to the whole SS2 equipment container of the transformer substation.
In this embodiment, the camera layout used is shown in table 20:
the environmental sensor layout used is shown in table 21:
| serial number | Sensor with a sensor element | Environmental | Collecting objects | |
| 1 | Temperature Sensor1 | Temperature Temp1 | Temperature of transformer substation | |
| 2 | Humidity Sensor2 | Humidity Hum1 | Humidity of transformer substation | |
| 3 | Wind speed Sensor3 | Wind speed Win1 | Wind speed of transformer substation |
The power video common information model is shown in table 22:
the association relationship between the objects is shown in fig. 8.
5. Converting a standard CIM model hung with a power video common information model into XML file data; transmitting XML file data to a video master station through an sFTP connection; the seamless communication connection between the video master station and the transformer substation is established, the interoperation and information interaction capacity between the transformer substation and the video master station is improved, and the deepened application of the transformer substation and the master station is promoted.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or modifications within the technical scope of the present invention, and shall be covered by the scope of the present invention.
Claims (9)
1. An electric power video public information model modeling method based on IEC61970 is characterized by comprising the following steps:
according to the IEC61970 standard, abstract analysis is carried out on equipment and lines related to video monitoring in a transformer substation, public objects are extracted and abstracted, each object is classified according to predefined rules, and each type of object forms an electric power video monitoring package;
defining the association relationship among various types, the attributes of various types, the attribute types of various types and the association relationship among various objects;
comparing the attributes and attribute types of various types in the power video monitoring package with the attributes and attribute types of standard abstract types in a standard CIM (common information model) specified by IEC61970 standard to obtain the types which do not belong to the standard abstract types in the power video monitoring package;
according to a standard CIM (common information model) specified by IEC61970 standard, performing model expansion on classes which do not belong to the standard abstract class in the power video monitoring package to obtain a power video common information model;
saving the power video public information model; and hanging a power video common information model on the standard CIM model.
2. A power video common information model modeling method as claimed in claim 1, characterized by: the classifying each object with predefined rules comprises: determining the attributes of the objects, and classifying each object according to the attributes of the objects.
3. A power video common information model modeling method as claimed in claim 1, characterized by: the power video monitoring package comprises a monitoring unit class, a monitoring terminal class, a presetting bit class, a remote vision class and an environment information class.
4. A power video common information model modeling method as claimed in claim 3, characterized by: the monitoring unit class comprises a video and environment monitoring system, a video information substation, a field RPU and an environment monitoring host; the monitoring terminal class comprises various monitoring terminals; the preset bit class comprises preset bits of various monitoring terminals; the remote vision class comprises remote vision data acquired by a monitoring terminal, and the remote vision data comprises videos, pictures and analytic quantities; the environmental information class includes environmental information collected by an environmental sensor.
5. A power video common information model modeling method as claimed in claim 3, characterized by: the remote-view type attributes comprise a remote-view type, a resolution and a remote-view uniform resource locator; the attributes of the monitoring unit class comprise a monitoring unit ID and a monitoring unit type; the attributes of the preset bit class comprise a preset bit index, a monitoring terminal identifier, an X-direction angle, a Y-direction angle and a focal length; the attributes of the monitoring terminal class comprise a monitoring terminal ID, a monitoring terminal type, a pixel, a picture resolution type, a monitoring terminal appearance, an imaging color, a communication protocol, a communication interface type, a communication address and a communication port; the attribute of the context information class includes a context information ID.
6. A power video common information model modeling method as claimed in claim 1, characterized by: the incidence relation among the various types comprises an aggregation relation, an inheritance relation and a simple incidence relation.
7. A power video common information model modeling method as claimed in claim 1, characterized by: the standard CIM model comprises a core package, a domain package, a power generation package, a load model package, a measurement package, a shutdown package, a protection package, a topology package and a wire package; the core package comprises a naming class, a power system resource class, an equipment container class, a conductive equipment class, a terminal class, a transformer substation class and a voltage class.
8. A power video common information model modeling method as defined in any one of claims 1-7 wherein: the specific steps of hanging the power video common information model on the standard CIM model are as follows:
establishing an SVG (scalable vector graphics) graph corresponding to the standard CIM according to each equipment graphic symbol in the standard CIM, and establishing an association relation between the standard CIM and the SVG graph to form a CIM _ SVG graph model;
and associating the class and the object in the power video public information model with the standard abstract class and the object in the CIM _ SVG graph model, namely, hanging the power video public information model on the CIM _ SVG graph model.
9. A power video common information model modeling method as defined in any one of claims 1-7 wherein: converting a standard CIM model hung with the power video common information model into XML file data; transmitting the XML file data to a video master station through sFTP connection; and establishing seamless communication connection between the video master station and the transformer substation.
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