| SimPowerSystems | |
Measure the total harmonic distortion (THD) of a signal
Library
Extras/Measurements, Extras/Discrete Measurements
Description
The Total Harmonic Distortion block measures the total harmonic distortion (THD) of a periodic distorted signal. The signal can be a measured voltage or current.
The THD is defined as the root mean square (RMS) value of the total harmonics of the signal, divided by the RMS value of its fundamental signal. For example, the THD of a measured current is defined as
It follows that the THD is null for a pure sinusoidal voltage or current.
Dialog Box and Parameters
The frequency, in hertz, of the fundamental signal.
Inputs and Outputs
Connect to the first input the voltage or current you want to measure the total harmonic distortion. The output returns the THD of the input signal.
| | Timer | Universal Bridge | |
