What are the advantages of Root Mean Square for the analysis of power profiles ?
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The advantages of Root Mean Square (RMS) for the analysis of power profiles are its ability to accurately compute voltage and current root-mean-square values over time, its robustness in handling signals with exponentially decaying DC offset, and its ability to detect RMS values without harmonic components using only the fundamental component . RMS is also effective in detecting and categorizing power quality problems such as voltage sag and swell, as demonstrated by its use in conjunction with the S-Transform and Extreme Learning Machine (ELM) neural network technique . Additionally, RMS can be used to evaluate the magnitudes and phase angles of each harmonic component directly from single measurements of voltage and currents, making it a fast and cost-effective method for tracking changes in power .
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