Ingeniería Electromecánica · 2026
Construcción y análisis de armónicos de un medidor inteligente de consumo eléctrico basado en IoT con ESP32
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Resumen
This paper presents the design and implementation of an intelligent electrical monitoring system based on IoT technology for the acquisition, processing, and visualization of electrical variables in near real-time. The system utilizes an ESP32 platform combined with SCT-013-030 and ZMPT101B sensors to measure current and voltage signals. Digital processing implemented in MATLAB included offset compensation, RMS value calculation, and spectral analysis via Fast Fourier Transform (FFT), enabling the identification of the 60 Hz fundamental frequency and the calculation of power quality indicators such as Total Harmonic Distortion (THD) and Individual Harmonic Distortion (IHD).