Design and implementation of power quality monitoring system for rural power grid HUANG Xiao-hong1,2 (1, Training center of Guangdong Industry Technical College, Guangzhou Guangdong, China, 510300; 2, Department of Automation, South China University of Technology, Guangzhou Guangdong, China, 510640) Abstract: With the emergency of much non-linear load in power system, the power quality has been deteriorating. Based on an analysis of quality indexes for power system, a kind of integrated supervisor which can measure and analyze power quality issues is proposed. The total architecture design, terminal design and software design and their implementation are introduced in detail. Key words: Rural power gird; Power quality; Power quality monitoring; DSP