CN103023740B - A kind of information interactive bus system and electric data transmission method - Google Patents
A kind of information interactive bus system and electric data transmission method Download PDFInfo
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Abstract
The embodiment of the present application provides a kind of information interactive bus system. this system comprises: the outage management subsystem that is positioned at safety 3rd district, geography data subsystem, marketing management information subsystem and/or PI database subsystem, and be positioned at safety one district power distribution automation ADMINISTRATION SUBSYSTEM, being positioned at safety 3rd district is connected with same information interactive bus by interface server separately with each subsystem in safety one district, described interface server is for sending to the data of information interactive bus to be converted to CIM model data each subsystem, or the CIM model data receiving from information interactive bus is converted to the data of each subsystem self compatibility. the embodiment of the present application also provides a kind of electric data transmission method based on information interactive bus system. the embodiment of the present invention can solve the problem of information island, is conducive to improve the whole efficiency of power system.
Description
Technical Field
The invention relates to the technical field of power distribution system automation, in particular to an information interaction bus system and a power data transmission method.
Background
The rapid development of information technology has promoted the revolution in the field of power technology. Several advanced technologies in other fields are widely used in the field of power systems. Taking the automation of a power distribution system as an example, the process involves a series of systems such as a scheduling automation system, a power distribution automation system, a PMS (power production management system), a power consumption information acquisition system, and the like, and these systems realize functions of a certain aspect and generate data of the certain aspect based on respective adopted technologies.
However, these systems are independent from each other and do not share data with each other, which causes defects such as data duplication, data reuse, etc., and forms an "information island," how to "integrate" these existing resources efficiently and reasonably, and fully guarantee the overall operation of the power system, which is a problem that needs to be solved in this field. One way of fusing these systems in the prior art is by manual means, i.e. when one system needs to use data generated by another system, the data is copied from one system to another system by manual means, which does not substantially solve the information islanding problem and is inefficient.
Disclosure of Invention
In view of the problems in the prior art, embodiments of the present application provide an information interaction bus system and a power data transmission method, so as to solve the problem of information islanding in the prior art, and facilitate improvement of the overall efficiency of a power system.
The information interaction bus system provided by the embodiment of the application comprises:
the system comprises a power failure management subsystem, a geographic information subsystem, a marketing management information subsystem and/or a PI database subsystem which are positioned in a safety three-zone area and a power distribution automation management subsystem which is positioned in a safety one-zone area, wherein each subsystem positioned in the safety three-zone area and the safety one-zone area is connected with the same information interaction bus through respective interface servers, and the interface servers are used for converting data sent to the information interaction bus by each subsystem into CIM model data or converting the CIM model data received from the information interaction bus into data compatible with each subsystem.
Preferably, the information interaction bus system further includes a load balancer, where the load balancer is connected to the interface server and the information interaction bus, and is used to balance data traffic when interaction between each subsystem and the information interaction bus is performed according to a preset rule.
The embodiment of the application also provides an electric power data transmission method based on the information interaction bus system, wherein the information interaction bus system comprises: the system comprises a power failure management subsystem, a geographic information subsystem, a marketing management information subsystem and/or a PI (proportional integral) database subsystem which are positioned in a safety three-zone area and a power distribution automation management subsystem which is positioned in a safety one-zone area, wherein each subsystem positioned in the safety three-zone area and the safety one-zone area is connected with the same information interaction bus through respective interface servers, and the interface servers are used for converting data sent by each subsystem to the information interaction bus into CIM (common information model) data or converting the CIM data received from the information interaction bus into data compatible with each subsystem, and the method comprises the following steps:
the power distribution automation management subsystem located in the first safety area sends a data request to the information interaction bus;
after receiving the request, the information interaction bus transfers the request to a corresponding subsystem in the three safety zones according to the request identification;
the subsystem receiving the request converts data required by the distribution automation management subsystem into CIM model data through the interface server and then sends the CIM model data to the information interaction bus;
and the distribution automation management subsystem positioned in the safe area receives required data through the information interaction bus.
Preferably, the information interaction bus system further includes a load balancer, where the load balancer is connected to the interface server and the information interaction bus, and is configured to balance data traffic when interaction between each subsystem and the information interaction bus is performed according to a preset rule, and after the subsystem receiving the data request converts data required by the distribution automation management subsystem into CIM model data through the interface server, the method further includes:
and judging whether the current data load condition on the information interaction bus allows data transmission, and if so, transmitting the converted CIM model data to the information interaction bus.
Preferably, the load balancer balancing data of each subsystem to the information interaction bus according to a preset rule specifically includes:
determining each subsystem for transmitting service data, and checking the flow state of each subsystem;
setting data transmission quota of corresponding subsystem according to the flow state;
and when the data traffic sent by each subsystem to the information interaction bus through the interface server or the data traffic received by each subsystem from the information interaction bus through the interface server does not exceed the data transmission limit, allowing data to be sent or received.
According to the embodiment of the application, the power failure management subsystem, the geographic information subsystem and the like which are positioned in the safety three areas are connected with the distribution automation management subsystem which is positioned in the safety one area through the same information interaction bus, and an interface server for data format conversion is arranged between each subsystem and the information interaction bus. Compared with the prior art, the embodiment of the application realizes the integration of all main systems in the field of electric power by means of the interface server, and constructs the information interaction bus system, so that all subsystems of the system can smoothly share data, the uniqueness of a data source is ensured, and the problem of information isolated island is solved. In addition, when data interaction is carried out between each subsystem and the information interaction bus, the data volume distribution is realized through the action of the load balancer, the occupation of each subsystem on the information interaction bus resources is balanced, the network efficiency is improved, and the message service is optimized.
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In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a block diagram of an embodiment of an information interaction bus system of the present application;
FIG. 2 is a flow chart of an embodiment of a method for transmitting power data based on an information interaction bus system;
fig. 3 is a schematic view of a traffic state of an endpoint in the information interaction system of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
Referring to FIG. 1, a block diagram of an embodiment of an information exchange bus system of the present application is shown. In the embodiment, various subsystems are divided into two areas, namely a safety three area and a safety one area, wherein the safety three area is an information management area and mainly used for interacting and processing data information, and the safety one area is a safety production area and mainly used for carrying out production operation and acquisition of preposed data. In the third safety area, the blackout management subsystem 101, the geographic information subsystem 102, the marketing management information subsystem 103, and/or the PI database subsystem 104 are included, and in the first safety area, the distribution automation management subsystem 105 is included. The following briefly introduces each subsystem:
the blackout management subsystem 101 (OMS) is an important component of a Distribution Management System (DMS), and mainly includes planned blackout management and fault blackout management. When a power failure accident occurs, information such as a fault place, an influence range and the like is rapidly found out by means of the OMS so as to select a reasonable operation sequence and a rescue path, and therefore power supply can be timely recovered.
The geographic information subsystem 102 applied to the field of power technology is developed based on the GIS technology (geographic information system). The GIS technology is a subject which is established on a database management system (DBMS) analysis management and takes geospatial data as an operation object on the basis of the subjects of geography, cartography, metrology, computer science and the like, and has an independent subject system. Functionally, the GIS has the functions of acquisition, storage, display, editing, processing, analysis, output, application, and the like of spatial data; from the service perspective, the GIS can provide geographic information service for the production and the life of residents; from the perspective of systematics, a GIS has a certain structure and function, and is a complete system. The geographic information subsystem is an enterprise-level power grid platform which applies GIS technology to the field of power systems and provides power grid graphics and analysis services for various business applications by using a service-oriented architecture, and collects attribute data of various power devices of the power grid system through a collection terminal, wherein the attribute data comprises data such as graphic styles, standard names, device sizes, spatial positions, device types, connection relations and the like of the power devices. And then, a topological structure with a corresponding relation with a real power grid system is constructed by utilizing the data, and the structured management and graphical display of power grid resources are realized, so that the monitoring and problem troubleshooting of the power grid system can be realized by analyzing and researching the power grid topological structure and the equipment graphical display, and the service management level of the power system is further improved.
The marketing management information subsystem 103 is based on an IEB information interaction system, and shares information such as user data and electric quantity information with the marketing management system.
The PI database subsystem 104 is a real-time open database, and can provide abundant data resources for power grid analysis. The pre-collected implementation data is stored as historical data by the PI system and can be called at any time to be compared with real-time data.
The above subsystems are connected to the same information interaction bus 107 through respective interface servers 106, and are configured to convert data sent by the subsystems to the information interaction bus into CIM model data, or convert CIM model data received from the information interaction bus into data compatible with the subsystems themselves. The CIM model (common information model) is an abstract model, which is mainly used to describe various objects of a power enterprise, particularly objects related to power operation, by providing a standard method for representing power system resources by object classes and attributes and relationships between them, and is advantageous for integration of independently developed Energy Management System (EMS) applications, integration between multiple independently developed complete EMS systems, and EMS systems and other related power system operations. The common language (i.e., syntax and semantics) defined by the CIM model enables the subsystems of the present embodiment to access common data and exchange information independent of the internal representation of the information.
In the embodiment of the system, the power failure management subsystem, the geographic information subsystem and the like which are positioned in the safety three areas are connected with the distribution automation management subsystem positioned in the safety one area through the same information interaction bus, and an interface server for data format conversion is arranged between each subsystem and the information interaction bus. Compared with the prior art, the embodiment of the application realizes the integration of all main systems in the field of electric power by means of the interface server, and constructs the information interaction bus system, so that all subsystems of the system can smoothly share data, the uniqueness of a data source is ensured, and the problem of information isolated island is solved.
The above system embodiment integrates a plurality of different subsystems, and these subsystems usually adopt respective independent protocols to realize data collection or transmission inside the system, and when these subsystems are integrated into one system based on different protocols, the problem faced is the load imbalance problem when a plurality of protocols coexist. In order to solve the problem, the system embodiment described above may further include a load balancer 108, where the load balancer is connected to the interface server 106 and the information interaction bus 107, and is configured to balance data traffic when each subsystem interacts with the information interaction bus according to a preset rule. The occupation of the information interaction bus resources by each subsystem is balanced by adding the load balancer, the network efficiency is improved, and the message service is optimized.
The above embodiment describes the structural composition of the information interaction bus system in detail, and the application also provides an embodiment of the electric power data transmission method based on the information interaction bus system. Referring to fig. 2, the flow of this embodiment is shown. The embodiment of the method comprises the following steps:
step S201: the power distribution automation management subsystem located in the first safety area sends a data request to the information interaction bus;
each subsystem of the information interaction bus system can be divided into two types, wherein one type is mainly used for providing data, namely a data source subsystem; one is mainly using data, namely a data processing subsystem, such as a power failure management subsystem, a geographic information subsystem or a PI database subsystem, and the other is a power distribution automation management subsystem. Under this classification, the distribution automation management subsystem as a data consumer needs to send a request message for data acquisition to the corresponding system. But it should be noted that: the data request message does not directly reach the data source subsystem (different from a point-to-point traditional data transmission mode), but reaches the information interaction bus, namely, the data request is sent to the information interaction bus by the distribution automation management subsystem located in the safe first area.
Step S202: after receiving the request, the information interaction bus transfers the request to a corresponding subsystem in the three safety zones according to the request identification;
the request identifier here can identify different data properties, and the different data properties can be directly embodied as different data types, and also can be embodied as addresses of the subsystems, because the protocols used by the different subsystems are different, and the addresses of the subsystems reflect the data properties. And after receiving the data request, the information interaction bus transfers the request to a corresponding subsystem in the three safety zones according to the request identifier. When the data is acquired from one data source, the data request contains the address of one data source or the data type of the data generated by the data source, and when the data is acquired from a plurality of data sources, the data request contains the addresses of a plurality of data sources or the data types of the data generated by the plurality of data sources.
Step S203: the subsystem receiving the request converts data required by the distribution automation management subsystem into CIM model data through the interface server and then sends the CIM model data to the information interaction bus;
and after receiving the request sent by the information interaction bus, the data source subsystem provides the generated data to the power distribution automation system. However, before the data reaches the distribution automation system, there may be a problem of data incompatibility, and for this reason, the embodiment of the method converts the data required by the distribution automation management subsystem through the interface server first, and converts the data into a data format that can be recognized by the information interaction bus or the distribution automation management subsystem, such as the CIM model data of the embodiment.
Step S204: and the distribution automation management subsystem positioned in the safe area receives required data through the information interaction bus.
The embodiment of the method is based on the information interaction bus system, and data transmission from the data source subsystem to the data use subsystem is realized. The transmission mode can be automatically carried out without manual copying, so that the data transmission efficiency of the power system is improved. It is worth mentioning that: in the embodiment, the distribution automation management subsystem is used as a data using system, and the other subsystems are used as data sources, but in the actual application process, the opposite situation may exist, namely, the distribution automation management subsystem is used as a data source, and the other subsystems are used as data using systems, for example, when the distribution automation management subsystem needs to feed back some data to the other subsystems. Furthermore, there may be operations of interacting data with each other between other subsystems than the distribution automation management subsystem.
In the above embodiment of the method for transmitting power data, since all the subsystems transmit data by means of the information interaction bus, and the resource of the information interaction bus is always limited, when data interaction exists in all the subsystems, there may be data interaction conflicts, and at this time, it is necessary to balance the data traffic of each subsystem (when there are many subsystems, each subsystem may be regarded as one endpoint). The data traffic balancing operation of the application is completed by a load balancer contained in the information interaction bus system, and the load balancer is connected with the interface server and the information interaction bus and is used for balancing data traffic when the subsystems and the information interaction bus interact with each other according to a preset rule. After the information interaction bus system comprises a load balancer and the subsystem receiving the data request converts the data required by the distribution automation management subsystem into CIM model data through the interface server, the power data transmission process further comprises: judging whether the current data load condition on the information interaction bus allows data transmission, if so, indicating that the information interaction bus can bear data transmission, and then transmitting the converted CIM model data to the information interaction bus; if not, the information interaction bus is indicated to be stored in a full load state, and data transmission needs to be carried out when the next clock cycle or idle state is waited.
The process of the load balancer balancing the data of each subsystem to the information interaction bus according to the preset rule can be performed according to the following steps in the actual application process:
firstly, each subsystem for service data transmission is determined, and the flow state of each subsystem is checked, wherein the step aims to find out the number of subsystems connected to the information interaction bus and the current flow state of each subsystem. The process can be seen in fig. 3, which shows traffic states of 3 endpoints (Test _ File _ t _ Output, Test _ File _ t _ Input, and Test _ sequence) in the information interaction bus system, where the endpoints can be obtained by obtaining services based on the endpoints, and after finding related services, the state of the service related node is checked. In addition, after the endpoint is obtained, operations such as modification, browsing and the like can be performed on the relevant setting of the endpoint.
Then, the data transmission limit of the corresponding subsystem is set according to the flow state, the priority level of data transmission can be considered when the data transmission limit is set, the important and basic data limit is set to be higher, and the limit of data which has little influence even if the transmission fails or is delayed is set to be lower. The specific value of the setting can be obtained through continuous experiments, and a reasonable value can be obtained.
Finally, when the data traffic sent to the information interaction bus by each subsystem through the interface server or the data traffic received by each subsystem from the information interaction bus through the interface server does not exceed the data transmission limit, allowing the data to be sent or received; otherwise, no data is allowed to be sent or received. The queuing sequence can be set without transmitting or receiving, and priority is given to entering the next transmitting or receiving period.
For convenience of description, the above system is described with the functions divided into various subsystems, respectively. Of course, the functions of the subsystems may be integrated into the same software and/or hardware in practicing the present application. For example, all the subsystems can be formed into an integral device for realizing comprehensive services and meeting the development requirements in the field of power technology.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the embodiments or some parts of the embodiments of the present application.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the method embodiment, because the system basic system embodiment is adopted, the description is relatively simple, and for relevant points, reference may be made to partial description of the method embodiment. The above-described system embodiments are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The application is operational with numerous general purpose or special purpose computing system environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet-type devices, multiprocessor systems, microprocessor-based systems, set top boxes, programmable consumer electronics, network PCs, minicomputers, mainframe computers, distributed computing environments that include any of the above systems or devices, and the like.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (2)
1. An information exchange bus system, comprising:
the system comprises a power failure management subsystem, a geographic information subsystem, a marketing management information subsystem and/or a PI database subsystem which are positioned in a safety three-zone area and a power distribution automation management subsystem which is positioned in a safety one-zone area, wherein each subsystem positioned in the safety three-zone area and the safety one-zone area is connected with the same information interaction bus through respective interface servers, and the interface servers are used for converting data sent to the information interaction bus by each subsystem into CIM model data or converting the CIM model data received from the information interaction bus into data compatible with each subsystem;
wherein,
the information interaction bus system also comprises a load balancer, wherein the load balancer is connected with the interface server and the information interaction bus and is used for balancing data flow when each subsystem and the information interaction bus interact with each other according to a preset rule; the load balancers are connected with the interface servers in a one-to-one correspondence mode, and the load balancers are connected with the information interaction bus;
the load balancer for balancing data traffic during interaction between each subsystem and the information interaction bus according to the preset rules specifically comprises:
determining each subsystem for transmitting service data, and checking the flow state of each subsystem;
setting data transmission quota of corresponding subsystem according to the flow state and the priority level of data transmission;
when the data traffic sent to the information interaction bus by each subsystem through the interface server or the data traffic received by each subsystem from the information interaction bus through the interface server does not exceed the data transmission limit, allowing the data to be sent or received; otherwise, the data is not allowed to be sent or received; when the queuing sequence is set when not transmitting or receiving, priority is given to entering the next transmission or receiving period.
2. An electric power data transmission method based on an information interaction bus system is characterized in that the information interaction bus system comprises: the system comprises a power failure management subsystem, a geographic information subsystem, a marketing management information subsystem and/or a PI (proportional integral) database subsystem which are positioned in a safety three-zone area and a power distribution automation management subsystem which is positioned in a safety one-zone area, wherein each subsystem positioned in the safety three-zone area and the safety one-zone area is connected with the same information interaction bus through respective interface servers, and the interface servers are used for converting data sent by each subsystem to the information interaction bus into CIM (common information model) data or converting the CIM data received from the information interaction bus into data compatible with each subsystem, and the method comprises the following steps:
the power distribution automation management subsystem located in the first safety area sends a data request to the information interaction bus;
after receiving the request, the information interaction bus transfers the request to a corresponding subsystem in the three safety zones according to the request identification;
the subsystem receiving the request converts data required by the distribution automation management subsystem into CIM model data through the interface server and then sends the CIM model data to the information interaction bus;
the power distribution automation management subsystem in the first safety area receives required data through an information interaction bus;
the information interaction bus system further comprises a load balancer, the load balancer is connected with the interface server and the information interaction bus and used for balancing data traffic when interaction between each subsystem and the information interaction bus is carried out according to a preset rule, and after the subsystem receiving the data request converts data required by the distribution automation management subsystem into CIM model data through the interface server, the method further comprises the following steps:
judging whether the current data load condition on the information interaction bus allows data transmission, if so, transmitting the converted CIM model data to the information interaction bus;
the load balancers are connected with the interface servers in a one-to-one correspondence mode, and the load balancers are connected with the information interaction bus;
the load balancer for balancing the data of the subsystems to the information interaction bus according to the preset rule specifically comprises the following steps:
determining each subsystem for transmitting service data, and checking the flow state of each subsystem;
setting data transmission quota of corresponding subsystem according to the flow state and the priority level of data transmission;
when the data traffic sent to the information interaction bus by each subsystem through the interface server or the data traffic received by each subsystem from the information interaction bus through the interface server does not exceed the data transmission limit, allowing the data to be sent or received; otherwise, the data is not allowed to be sent or received; when the queuing sequence is set when not transmitting or receiving, priority is given to entering the next transmission or receiving period.
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| CN103973530A (en) * | 2014-01-14 | 2014-08-06 | 国家电网公司 | Catching technology based information interaction bus data reliable-transmission method |
| CN103761625A (en) * | 2014-02-13 | 2014-04-30 | 国家电网公司 | Outage management system based on information exchange bus and data processing method thereof |
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| 《济南配网自动化试点区域建设方案的研究》;房牧;《中国优秀硕士学位论文全文数据库》;20120415;第24-66页 * |
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