Economic Operation Of Hydropower Station Computer Monitoring And Realization

Developing hydroelectric preferentially is an important step of our energy development. To solve our energy problems, conserving energy is necessary except developing energy actively. Along with the reformation of power system and marketization approaching, it is inevitable that hydroelectric accesses market and goes into power system according to its price by the principle of "fairness, justice, openness". The practice of power market operation system of "power plant separating from electric network, competing electric network by its price" makes the power generation business being the competitors. Under this new style, power generation businesses have to develop their potentialities and cut down operation cost, and may be in advantage competition.Along with the developing of computer technology, communication technology and survey technology, the supervisory control system technology of hydropower plant has been developed, which is the tendency of hydropower plant control system. Some advanced optimal methods of system engineering are meanwhile introduced to solve economic operation of hydropower plant. All of that speed up the development of economic operation of hydropower plant and make the practice be possible.Aiming at the development tendency of hydroelectric, this paper researches economic operation of hydropower plant under supervisory control using new research results, including:1) The structure and information flow of system of economic operation of hydropower plant under supervisory control.The structure and information flow of computer supervisory and control system of hydropower plant are analyzed. It is clarified that the structure, software and hardware constitution and information process of economic operation of hydropower plant system under supervisory control, and establishes frame for the practice of economic operation of hydropower plant under supervisory control.2) The model and solving of economic operation of hydropower plantThe models and detailed solving methods of runoff forecasting, reservoir operation and internal economic operation of hydropower plant are analyzed under supervisory control system, which makes the theoretical foundation for the practice of economic operation of hydropower plant.3) Database of economic operation of hydropower plantThe database structure of economic operation of hydropower plant is analyzed. It is clarified that the process of using ADO model to develop database application programs. And it is realized that the combination, inquiry, modification and storage of economic operation of hydropower plant database established using SQL Server, and provides data support for economic operation of hydropower plant.4) Object designing of economic operation of hydropower plant and its COM access.It is discussed that Object designing of economic operation of hydropower plant and design thought of its COM access. Each object model can singly compute and realize its function, also can realize complicated function using their accesses, which improves its reliability, spread and flexibility.5) Communication between economic operation of hydropower plant and supervisory control systemThe communication manner between economic operation of hydropower plant and supervisory control system is introduced and network communication protocol, data line, programming access and the practice of data exchange and control off-network are analyzed. The paper establishes foundation for the data exchange between economic operation of hydropower plant and supervisory control system.