Virtual instrumentation based power quality analyzer

Abstract

Paper deals with the architecture of Power Quality Analyzer based on CompactRIO platform. The Power Quality Analyzer functionality is based on requirements of the latest power quality standards e.g. IEC 61000–4–30, 61000–4–7, 61000–4–15, EN 50160. There are many vendors of such an instrument worldwide, most of them use proprietary solutions based on microcomputers or DSPs. Such instruments are small and have low consumption however they do not bring flexibility and modularity of analyzers based on virtual instrumentation. The trend for complex measurement instrument over the last years moved towards measurement instruments that define their capability through software. Virtual instrumentation is at the forefront of this trend.