Harmonic functions

HarmEff

HarmEff('u','Nharm','Frequency'=50)

Calculates the effective value of 'Nharm' harmonic component of signal 'u'.

u(n) : Sample n of signal u

u_Real,k : the real part of the k^th harmonic component of u

u_Imag,k : the imaginary part of the k^th harmonic component of u

U_k : the effective value of the k^th harmonic component of u

HarmPhase

HarmPhase('u','Nharm','Frequency'=50)

Calculates the phase of 'Nharm' harmonic component of signal 'u':

u_Real,k : the real part of the k^th harmonic component of u

u_Imag,k : the imaginary part of the k^th harmonic component of u

φ_{k : the phase offset of the k^th harmonic component of u}

StarHarmUGeff

StarHarmUGeff('u1','u2','u3','Frequency'=50)

Calculates the effective negative sequence voltage U_Geff.:

u_x,1 : Fundamental harmonic component (complex) of phase voltage u_x

StarHarmUMeff

StarHarmUMeff('u1','u2','u3','Frequency'=50)

Calculates the positive sequence system voltage U_Meff:

u_x,1 : Fundamental harmonic component (complex) of phase voltage u_x

StarHarmUnSym

StarHarmUnSym('u1','u2', 'u3','Frequency'=50)

Calculates the voltage unbalance in a star grid:

The result is expressed in %.

WeightedDistortionFactor

WeightedDistortionFactor('u','Nharm'=50,'Frequency'=50)

Calculates the weighted distortion factor of 'u' (all phases) using 'Nharm' harmonics:

U_n : Effective value of the n^th harmonic component of signal u

UnweightedDistortionFactor

UnweightedDistortionFactor('u','Nharm'=50,'Frequency'=50)

Calculates the unweighted distortion factor of 'u' (all phases) using 'Nharm' harmonics:

U_n : Effective value of the n_th harmonic component of signal u