CN106250448A - Electric network information Dynamic Display method and apparatus - Google Patents

Abstract

A method and device for dynamically displaying grid information according to the present invention establishes a real-time database for receiving grid real-time data collected by SCADA, wherein the real-time database further includes: measuring point information table, real-time data table and historical data The real-time database is managed through the measuring point information table, and the data that needs to be displayed can be quickly read from the real-time database; that is, the existing SCADA is fully utilized to realize the collection of real-time data, and it is independent of the existing SCADA database. The limitation of the processing speed of the existing SCADA; realize the organic integration of the real-time data in the SCADA and the data in the two-dimensional GIS system and display them uniformly in real time.

Description

Power grid information dynamic display method and device

technical field

The invention relates to grid data display, in particular to a method and device for dynamically displaying grid information.

Background technique

With the improvement of the grid voltage level and the expansion of scale, the gradual implementation of commercial operation of the grid has put forward new requirements for the construction and maintenance of urban power distribution. In the urban power distribution industry, two-dimensional GIS (geographic information system, full name Geographic Information System or Geo-Information system) technology has been widely used in production, operation and management, and achieved good results. Among them, the two-dimensional GIS relies on the digital orthophoto DOM (Digital Orthophoto Map) and the electronic map data DLG (Digital Line Graphic) to form a two-dimensional basic geographic image platform, and uses GPS satellite positioning technology to accurately model the power grid facilities and accurately distribute them in the 2D GIS map. SCADA (Data Acquisition and Supervisory Control, the English full name is Supervisory Control and Data Acquisition) system is a computer-based production process control and scheduling automation system. It can monitor and control the on-site operating equipment to realize various functions such as data collection, equipment control, measurement, parameter adjustment and various signal alarms, which are known as "four remote" functions, remote terminal units and feeders The terminal unit is an important part of the SCADA system. The so-called real-time data refers to the grid operation data collected in the SCADA system within a short time interval. The large amount of digital data describing the real-time status that appears during the operation of the grid, how to communicate with the two-dimensional The organic integration of data in the GIS system to achieve real-time unified display is a difficult problem faced by the power industry.

Chinese patent document CN101751426A discloses a method for realizing information sharing between SCADA and GIS, including the following steps: a system in the data acquisition and monitoring system and the geographic information system acts as a model exporter, and converts its internal power grid model into The power grid model file conforming to the public information model specification; the converted model file is sent to another system in the data acquisition and monitoring system and the geographic information system as the model importer; the model importer converts the power grid model file according to the public information model specification Perform analysis and convert the analyzed data into the internal grid model of the model importer, which can achieve better physical isolation and good interface versatility.

The method for realizing information sharing between SCADA and GIS disclosed in the above patent documents realizes the sharing of information between the two systems by sharing the common resources of the two systems, so that the common information of the two systems can be maintained uniformly, reducing the Operation and maintenance costs. However, it does not involve how to organically integrate a large amount of digital data describing the real-time state during the operation of the power grid with the data in the two-dimensional GIS system and display it in a unified manner in real time.

Contents of the invention

For this reason, what the present invention intends to solve is the technical problem that the existing GIS and SCADA only realize the real-time sharing of information and cannot organically integrate the digital data with the data in the two-dimensional GIS system and display them in real time. SCADA grid information real-time display method and device.

In order to solve the problems of the technologies described above, the technical scheme adopted in the present invention is as follows:

A method for real-time display of power grid information based on GIS and SCADA, comprising the following steps:

S10: set up a real-time database, for synchronously receiving the real-time data of the power grid collected by SCADA, wherein, setting up the real-time database specifically includes the following steps:

Establish a measuring point information table: use the measuring point name as a keyword, and correspond to a record of the basic information of the measuring point including the basic configuration information of the measuring point;

Establish a real-time data table, use the name of the measuring point as a key word, and store the real-time data value of the real-time production data;

Establish a historical data table: use the name of the measuring point and the time field as keywords to store the historical data value of the compressed real-time production data;

S30: The server extracts the real-time data value of the electric equipment within the display range from the real-time database through the measuring point information table and generates a real-time data presentation model file output conforming to the GIS model specification;

S40: the server extracts the GIS file information within the display range from the GIS and generates a GIS basic data display model file that conforms to the GIS model specification and then outputs it;

S50: The server receives the real-time data display model file and the GIS basic data display model file and superimposes the real-time data display model file and the GIS basic data display model file, obtains the grid real-time information display model file and output.

The server receives and outputs the GIS basic data presentation model file or real-time data presentation model file.

It also includes the following steps: the server receives the real-time data value in the real-time database, compares it with a pre-stored normal threshold range, and outputs an alarm message when the real-time data value exceeds the normal threshold range.

In step S30 and step S40, the display range is set through input.

In step S10, the real-time database and the SCADA perform data transmission through a data bus.

At the same time, a real-time display device for power grid information based on GIS and SCADA is provided, including:

The real-time database is used to synchronously receive the real-time data of the power grid collected by SCADA, and the real-time database further includes:

Measuring point information table: with the name of the measuring point as the key, a record corresponding to a basic information of the measuring point includes the basic configuration information of the measuring point;

The real-time data table stores the real-time data value of production real-time data with the name of the measuring point as the key word;

Historical data table: use the measuring point name and time field as keywords to store the historical data value of the compressed real-time production data;

server, the server further includes:

The real-time data presentation model file generation module extracts the real-time data value of the electric equipment within the display range from the real-time database through the measuring point information table and generates a real-time data presentation model file output conforming to the GIS model specification;

Power grid real-time information display model file generation module, receiving the real-time data display model file generated by the real-time data display model file generation module and the GIS basic data display model file generated by the GIS basic data display model file generation module and converting the real-time The data display model file and the GIS basic data display model file are superimposed, and the real-time information display model file of the power grid is obtained and output.

The server also includes: GIS basic data display model file or real-time data display model file output module, receiving the real-time data display model file generated by the real-time data display model file generation module or the GIS basic data display model file generation module generated The above GIS basic data display model file and output.

The server also includes an alarm module, which receives real-time data values in the real-time database, compares them with pre-stored normal threshold ranges, and outputs alarm information when the real-time data values exceed the normal threshold ranges.

The server also includes a display range setting module for inputting a display range.

The real-time display device for power grid information based on GIS and SCADA also includes a data bus to realize data transmission between the real-time database and the SCADA.

The above technical solution of the present invention has the following advantages compared with the prior art:

A real-time display method and device for grid information based on GIS and SCADA according to the present invention establishes a real-time database for receiving grid real-time data collected by SCADA, wherein the real-time database further includes: measuring point information table, real-time Data table and historical data table, manage the real-time database through the measuring point information table, quickly read the data to be displayed from the real-time database; that is, make full use of the existing SCADA to realize the collection of real-time data, and be independent of the existing SCADA database , the reading is not limited by the processing speed of the existing SCADA; the real-time data in the SCADA and the data in the two-dimensional GIS system are organically integrated and displayed in real time.

In the real-time display method and device for power grid information based on GIS and SCADA of the present invention, the server receives and outputs the GIS basic data display model file or real-time data display model file, which can output the geographic information model of the power grid or the power grid separately Real-time data to meet different display needs of users.

In the real-time display method and device for power grid information based on GIS and SCADA of the present invention, the server receives the real-time data value in the real-time database, compares it with the pre-stored normal threshold range, and when the real-time data value exceeds the normal threshold range Output alarm information in real time; monitor the operation status of the power grid in real time, and report to the police in time when abnormalities are judged, meeting the requirements for safe operation of the power grid.

Description of drawings

In order to make the content of the present invention more easily understood, the present invention will be described in further detail below according to specific embodiments of the present invention in conjunction with the accompanying drawings, wherein

Fig. 1 is a flow chart of a real-time display method for grid information based on GIS and SCADA according to an embodiment of the present invention;

Fig. 2 is a structural block diagram of a device for real-time information sharing between GIS and SCADA corresponding to the method shown in Fig. 1 .

detailed description

Referring to Fig. 1, the real-time display method of power grid information based on GIS and SCADA as an embodiment of the present invention specifically includes the following steps:

S10: set up a real-time database, for synchronously receiving the real-time data of the power grid collected by SCADA, as a specific embodiment, carry out data transmission through a data bus between the real-time database and the SCADA, and integrate based on the service bus architecture, Realize the interconnection and intercommunication between business systems in multiple security zones from the perspective of architecture and implementation mechanism, and use the service-oriented system SOA (Services Oriented Architecture) as the overall structural system. Based on the IEC 61968/61970 international standard system, the information interaction of different business systems is encapsulated with service and message as the basic unit, and the service collaboration between the service provider and the consumer is established.

Wherein, setting up the real-time database specifically includes the following steps:

Establish a measuring point information table: use the measuring point name as a keyword, and a record corresponding to a measuring point’s basic information includes the basic configuration information of the measuring point; among them, the measuring point can be used to mark specific data items under different data types of different power equipment, One electric device can correspond to multiple measuring points. For example, the current measurement data of a circuit breaker device is divided into A-phase current, B-phase current, and C-phase current. Therefore, three measuring points must be established to represent the current in the circuit breaker. The three measurement data of the three-phase current; the basic configuration information includes information such as compression deviation, exception deviation, and measurement point description.

Establish a real-time data table, use the name of the measuring point as a key word, and store the real-time data value of the production real-time data; wherein, the real-time data value records the time stamp, value, quality and other information of the real-time data that changes in seconds.

Set up a historical data table: use the measuring point name and the time field as keywords, store the historical data value of the compressed production real-time data; as a specific implementation, use the huffman compression algorithm to compress the real-time data in the real-time data table The value is compressed.

S30: The server extracts the real-time data value of the electric equipment within the display range from the real-time database through the measuring point information table and generates a real-time data presentation model file output conforming to the GIS model specification; as a specific implementation manner , the display range is set by input; by default, the method of the present invention only loads the real-time data value of the power equipment within the display range, and can also load the historical data value of a specific time point or a specific time point within the display range by setting A time period historical data curve, wherein the historical data value is read by the server from the historical database through the measuring point information table.

S40: the server extracts the GIS file information within the display range from the GIS and generates a GIS basic data display model file that conforms to the GIS model specification and then outputs it; as a specific implementation, the display range is set by input By default, the method of the present invention only loads the real-time data value of the electric power equipment within the display range, and can also be set to load the historical data value of a specific time within the display range, wherein the historical data value is determined by the server through the The measuring point information table is read from the historical database.

S50: The server receives the real-time data presentation model file and the GIS basic data presentation model file and superimposes the real-time data presentation model file on the GIS basic data presentation model file, obtains the power grid real-time information presentation model file and Unified output display.

Manage the real-time database through the measuring point information table, and quickly read the data that needs to be displayed from the real-time database; that is, make full use of the existing SCADA to realize the collection of real-time data, and be independent of the existing SCADA database, and the reading is not affected by the existing The limitation of SCADA processing speed; Realize the organic integration of real-time data in SCADA and data in the two-dimensional GIS system and display them in real time.

The above embodiment sets the display range, mainly considering that the real-time data in the power equipment is massive data. If all the real-time data are displayed on the GIS platform at the same time, it will inevitably bring huge pressure to the performance of the GIS platform and affect the performance of the GIS platform. loading efficiency. As other methods for setting the display range, the present invention can also adopt the method of modular data display, that is, based on the GIS raster data model, a display area is formed by rows, columns, and grid units, and the rows are used as y coordinates, columns As x-coordinates, rows and columns start from the upper left corner of the grid. According to this, the geographic map is divided into several areas. When the GIS map moves to a certain area, this area is used as the current display area, and the real-time information of the power equipment in the display area is loaded for display.

As other embodiments of the present invention, on the basis of the above embodiments, the server further includes a step of receiving and outputting the GIS basic data presentation model file or the real-time data presentation model file. It can output the geographic information model of the power grid separately, and also output the real-time data of the power grid separately to meet the different display needs of users.

As other embodiments of the present invention, on the basis of the above embodiments, the server receives the real-time data value in the real-time database, compares it with the pre-stored normal threshold range, and when the real-time data value exceeds the normal threshold Output alarm information when within the range. Real-time monitoring of the power grid operation status, and timely alarm when abnormalities are judged, to meet the requirements of safe operation of the power grid.

Referring to Fig. 2, a real-time display device for power grid information based on GIS and SCADA as an embodiment of the present invention includes:

The real-time database is used to synchronously receive the real-time data of the power grid collected by SCADA, and the real-time database further includes:

Measuring point information table: with the name of the measuring point as the key, a record corresponding to a basic information of the measuring point includes the basic configuration information of the measuring point.

The real-time data table stores the real-time data value of production real-time data with the name of the measuring point as the key word;

Historical data table: use the measuring point name and time field as keywords to store the historical data values of the compressed real-time production data.

A data bus, as a specific implementation manner, the data bus implements data transmission between the real-time database and the SCADA. Responsible for crossing the production control area and the information management area, completely solving the problem of transparent access to the isolation area, so that all application systems can directly access cross-area services. Based on SOA, the interface specification conforms to the structural requirements of the IEC61968 specification, and an open and scalable data access platform is established.

server, the server further includes:

The real-time data display model file generation module extracts the real-time data values of the electric equipment within the display range from the real-time database through the measuring point information table and generates a real-time data display model file output conforming to the GIS model specification.

The server also includes a display range setting module for inputting a display range.

The GIS basic data display model file generation module receives the set display range, extracts the GIS file information within the display range from the GIS, generates a GIS basic data display model file conforming to the GIS model specification, and outputs it.

The power grid real-time information display model file generation module receives the set display range, receives the real-time data display model file generated by the real-time data display model file generation module and the GIS basic data generated by the GIS basic data display model file generation module The data display model file is superimposed on the real-time data display model file and the GIS basic data display model file, and the real-time information display model file of the power grid is obtained and output.

As other embodiments of the present invention, on the basis of the real-time display device for grid information based on GIS and SCADA in the above-mentioned embodiments, the server further includes: a GIS basic data display model file or a real-time data display model file output module, which receives real-time The real-time data presentation model file generated by the data presentation model file generation module or the GIS basic data presentation model file generated by the GIS basic data presentation model file generation module is output.

As other embodiments of the present invention, on the basis of the real-time display device for grid information based on GIS and SCADA in the above-mentioned embodiments, the server also includes an alarm module, which receives the real-time data values in the real-time database and compares them with the prestored normal Threshold ranges are compared, and an alarm message is output when the real-time data value exceeds the normal threshold range.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.

Claims (4)

1. A dynamic display method for power grid information, characterized in that, comprising the steps of: S10: set up a real-time database, for synchronously receiving the real-time data of the power grid collected by SCADA, wherein, setting up the real-time database specifically includes the following steps: Establish a measuring point information table: use the measuring point name as a keyword, and a record corresponding to a basic information of the measuring point includes the basic configuration information of the measuring point, where the measuring point is used to mark specific data items under different data types of different power equipment; Establish a real-time data table, use the name of the measuring point as a key word, and store the real-time data value of the real-time production data; Establish a historical data table: use the name of the measuring point and the time field as keywords to store the historical data value of the compressed real-time production data; S30: The server extracts the real-time data value of the electric equipment within the display range from the real-time database through the measuring point information table and generates a real-time data presentation model file output conforming to the GIS model specification; S40: the server extracts the GIS file information in the display range from the GIS and generates the GIS basic data display model file conforming to the GIS model specification to output; and in steps S30 and S40, the display range is input make settings; S50: The server receives the real-time data display model file and the GIS basic data display model file and superimposes the real-time data display model file and the GIS basic data display model file, obtains the grid real-time information display model file and output. 2. The method for dynamically displaying power grid information according to claim 1, characterized in that: the server receives and outputs the GIS basic data display model file or real-time data display model file. 3. A dynamic display device for power grid information, characterized in that it comprises: The real-time database is used to synchronously receive the real-time data of the power grid collected by SCADA, and the real-time database further includes: Measuring point information table: with the name of the measuring point as the keyword, a record corresponding to the basic information of the measuring point includes the basic configuration information of the measuring point, where the measuring point is used to mark the specific data items under different data types of different power equipment; The real-time data table stores the real-time data value of production real-time data with the name of the measuring point as the key word; Historical data table: use the measuring point name and time field as keywords to store the historical data value of the compressed real-time production data; server, the server further includes: The real-time data presentation model file generation module extracts the real-time data value of the electric equipment within the display range from the real-time database through the measuring point information table and generates a real-time data presentation model file output conforming to the GIS model specification; Power grid real-time information display model file generation module, receiving the real-time data display model file generated by the real-time data display model file generation module and the GIS basic data display model file generated by the GIS basic data display model file generation module and converting the real-time The data display model file and the GIS basic data display model file are superimposed, and the real-time information display model file of the power grid is obtained and output; The display range setting module is used for inputting a display range. 4. A power grid information dynamic display device according to claim 3, wherein the server also includes: a GIS basic data display model file or a real-time data display model file output module, and a real-time data display model file generation module for receiving The generated real-time data presentation model file or the GIS basic data presentation model file generation module generates the GIS basic data presentation model file and outputs it.