Detection Circuit Based on Instantaneous Reactive Power Theory

A detection circuit based on instantaneous reactive power theory is designed for power quality monitoring in electrical systems. This circuit identifies issues such as voltage fluctuations and current imbalances by continuously tracking instantaneous reactive power components. The MATLAB implementation typically utilizes the p-q theory algorithm, which transforms three-phase voltages and currents into α-β coordinates using Clarke transformations. Key functions include real-time calculation of instantaneous active power (p) and reactive power (q) components, enabling precise detection of power disturbances. The module provides comprehensive performance data under various operating conditions, featuring waveform analysis tools and automated reporting capabilities. Power system engineers can leverage this tool to diagnose system anomalies through customizable threshold settings and harmonic analysis functions, facilitating data-driven solutions for grid optimization and fault mitigation.