A Power Quality Indexes Measurement System Platform with Remote Alarm Notification

Abstract

Nowadays, with global development in Internet of Things (IoTs), electricity, water, and gas information readings should be done in a convenient way. However, existing smart electric meters (SM) mainly focus on the information of financial transactions (the energy bill), whereas little effort has been done to promote the instrumentation dimension of the metering infrastructure. In this paper, we propose and develop a power quality indexes (PQIs) measurement system platform with remote alarm notification for electrical systems. Compared with the existing state-of-the-art, the proposed platform requires less development and maintenance cost, exhibiting higher flexibility. In this system we include the main power quality indexes, including root-mean-square (RMS) value, active power P, reactive power Q, apparent power S, power factor (PF), fundamental power factor (PF <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">1</sub> ) and total harmonic distortion (THD). To acquire those power quality indexes, we use a anticonjugate decomposition cascaded delayed signal cancellation (ACD-CDSC) technique. At last, we provide the experimental results of PQIs in a single-phase system to verify the effectiveness of the measurement platform with remote alarm notification in comparison with the Fluke power quality analyzer.