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In order to satisfy the requirement of power quality on-line monitoring system which is always online, cheap price and a wide coverage, the thesis puts forward to methods that GPRS(General Packet Radio Service)communications technology is applied in power quality on-line monitoring system. The main content of the system is that:the combination of DSP and MCU is used in power quality on-line monitoring system to store, display, count and analyze the collected data of voltage and current from each terminal, and communicates with supervisory computer through GPRS communication module to realize power quality monitoring in the grid. According to the need of user, it can control field device to realize the research of distributed power quality on-line monitoring System.
Date of Conference: 16-18 July 2010