Realization of data communication in the power plant level supervisory information system
Bingshu Wang, SP Power · Electric Power · 2004
The data communications in the power plant level supervisory information system, including the data acquisition, transfer, process and storage, and the interaction of users with data-base etc. are the core objects to be studied. In the data mining aspect, to adopt a standard OPC (conforming to the OPC specification) interface or network monitoring means can solve the problems which to adopt socket programming can't solve, receive the on-site data correctly in time; in the data analysis and distribution aspect, the establishment of buffer data-base and to apply three buffers circulation formation storing algorithm, optimize the real-time data-base structure, improve the efficiency and real- time operation of system, effectively resolve the conflict problems in real-time data accessing. The Web-distribution-based structure of Browser/Server (B/S) is realized by using the combination way of ActiveX components and active server pages (ASP) applications, thus simplifying the ASP programing technology and helping develop the Web application.