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Sensors and Measurements

Current, voltage, and impedance sensors, specialized measurement blocks

Blocks

Voltage Measurement Measure voltage in circuit
Current Measurement Measure current in circuit
Three-Phase V-I Measurement Measure three-phase currents and voltages in circuit
Multimeter Measure voltages and currents specified in dialog boxes of SimPowerSystems blocks
Impedance Measurement Measure impedance of circuit as function of frequency
Fourier Perform Fourier analysis of signal
Fundamental (PLL-Driven) Compute fundamental value of signal
Mean Compute mean value of signal
Mean (Phasor) Compute mean value of input phasor over a running window of one cycle of specified frequency
Mean (Variable Frequency) Compute mean value of signal
Positive-Sequence (PLL-Driven) Compute positive-sequence component of three-phase signal at fundamental frequency
Power Compute active and reactive powers of voltage-current pair at fundamental frequency
Power (3ph, Instantaneous) Compute three-phase instantaneous active and reactive powers
Power (3ph, Phasor) Compute three-phase active and reactive powers using three-phase voltage and current phasors
Power (PLL-Driven, Positive-Sequence) Compute positive-sequence active and reactive powers
Power (Phasor) Compute active and reactive powers using voltage and current phasors
Power (Positive-Sequence) Compute positive-sequence active and reactive powers
Power (dq0, Instantaneous) Compute three-phase instantaneous active and reactive powers
RMS Compute true root mean square (RMS) value of signal
Sequence Analyzer Compute positive-, negative-, and zero-sequence components of three-phase signal
Sequence Analyzer (Phasor) Compute sequence components (positive, negative, and zero) of three-phase phasor signal
THD Compute total harmonic distortion (THD) of signal

Functions

power_fftscope Perform Fourier analysis of signals stored in Structure with Time format
power_ltiview Create state-space object of model for use with LTI Viewer tools
power_zmeter Compute impedance versus frequency of Impedance Measurement blocks of model
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