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Measurements

R2026b
Power measurement, RMS measurement, sinusoidal estimation

Measure real and reactive power and root-mean-square (RMS) properties. Estimate sinusoidal characteristics using a phase-locked loop.

Blocks

Phasor Measurement Unit (PMU, Three-Phase) blockPhasor Measurement Unit (PMU, Three-Phase)Frequency, phase, and amplitude measurement of a three-phase system
Power Measurement blockPower MeasurementCalculate single-phase real and reactive power
Power Measurement (Three-Phase) blockPower Measurement (Three-Phase)Calculate three-phase real and reactive power
Power Measurement (Three-Phase, Instantaneous) blockPower Measurement (Three-Phase, Instantaneous)Calculate three-phase real and reactive instantaneous power (Since R2026a)
RMS Measurement blockRMS MeasurementCalculate root-mean-square (RMS) properties of a signal
Sequence Analyzer blockSequence AnalyzerCalculate the magnitude and phase of the positive, negative, or zero sequence of a three-phase signal
Sinusoidal Measurement (PLL) blockSinusoidal Measurement (PLL)Estimate sinusoidal characteristics using a phase-locked loop
Sinusoidal Measurement (PLL, Three-Phase) blockSinusoidal Measurement (PLL, Three-Phase)Estimate three-phase sinusoidal characteristics using a phase-locked loop
Total Harmonic Distortion blockTotal Harmonic DistortionTotal harmonic distortion measurement