Supervisory Information System of Plant(SIS)

    At present, the domestic digital networks of thermal-power plant can be divided into three levels :production process control level, production operation management level and decision-making level. decision-making level.SIS complets the construction of thermal-power plant network of production,operation and management. Establish realtime / historical database platform, automatically collect and store data, analyse the data,transfer the data into information, make real-time response to obtain optimal results, provide programs of thermal power Factory integrated control .
    SIS application features include: monitoring system of factory production process, calculation-analysis and operation optimization system for machine, load distribution optimization system,dynamic device management system, as well as cost accounting and pricing systems.
    SIS system is belong to production process automate areas.The system is a bridge between a variety of distributed control systems and enterprise management application systems(such as ERP, EAM, etc.), privides support for multi-level realtime data.SIS is based on distributed control system ,for the purpose of economy and improvement of the overall efficiency ,for the use of advanced, applicable and effective professional method of calculating,realizes information sharing and real-time information monitoring in the scope of the entire plant,improve the reliability of the unit running.It provides true and reliable real-time operating data for enterprise management decision-making. As well as provides for the enterprise market to with scientific and accurate economic indicators.From a management perspective, it provides the important and real operating data for controling costs, increasing productivity .At the same time, data analysis and comparison, can provide a scientific and rational decision-making program,make the operation and decision-making of the enterprise management more scientific.It realises management-control integration in the entire plant,lays a solid foundation for improvement of efficiency ,improvement and stability of information technology ,the purpose of the economy.
    SIS system complete the monitoring and management of production process, fault diagnosis and analysis, performance calculation and analysis, production scheduling, production optimization and other business .It is deleloped by the comprehensive advantages from professional(such as: stoves, machines, thermal control, etc.), after long-term research and development, the results reserves and rich practical experience.
    Construction of SIS
    SIS application subsystem is a professional and technical system based on real-time database agaginst particular application objects and fields , is the ultimate goal of the establishment of SIS, is also an important manifestation of the effectiveness .
    Application subsystem includes：
    Real-time data acquisition and processing of production process
    Real-time information monitoring and management system
    Performance computing and process optimization analysis system
    Online performance monitoring system
    Guidance and forecasts, preventive and maintenance system
    Load management and economy distribution systems
    Fault diagnosis system for host and the main auxiliary
    Main Features
    The capacity of real-time data points is more than 20,000 points, can be expanded to a maximum of 200,000 points or more.
    All historical data can be saved continuouly for more than 3 years
    Database update cycle<=1s，can define by yourself.
    Data recovery time<=0.1ms
    Data acquisition rate can reach 100%
    Refresh time of online performance calculation and consumption analysis the whole plant and the unit.<5s，can be set by yourself.
    Run time without trouble>10000 hours
    Maximum number of images：unlimited
    Single-screen dynamic points:unlimited
    Refresh cycle of the client screen ：<2s
    Refresh cycle of the WEB screen：<5s
    Real-time platform supports the various functional modules in different servers to run distributely , so that the load of each server is balancing.
    Use a different network adapter to connect the control system and the SIS system to ensure network isolation.
    All the data of control system can only use by one-way transmission.
    With standard interface mode,make the dependence smaller between the modules run in the platform. Modulars achieve development and operation by phases.