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Development of `information collection and delivery sensor basesystem' for large-scale power systems
Authors:Abe   T. Takenuki   T. Tsugane   T. Kurita   Y. Tanaka   S.
Affiliation:Tokyo Electr. Power Co. Inc.;
Abstract:The authors present a real-time database system capable of collecting and delivering a large amount of information accurately at a high speed and by a simple method. This system has a microprocessor unit (MPU) for each private communication line around the main memory and coordinates the independent parallel operation for a number of these MPUs with the main memory access operation, using a fixed cyclic scan method and having all the MPUs perform multi-operation. Many advantages can be expected when this method is adopted, especially for the monitoring and control of power systems. Degradation of the system can be avoided during an information rush due to accidents, and it can be easily extended when adding to or expanding the power facilities in the future. Excellent daily maintainability can be assured, and a low overall cost can be expected
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