SIMPLORER User Manual V6.0 - FER-a

14
448 Data Evaluation
Computed Characteristics
Meaning Equations
Maximum value
=
Minimum value
Peak-to-peak value
Mean value
Mean absolute value
RMS value
AC RMS value
Integral
Ripple
Ripple factor
Harmonic content
Form factor
Crest factor
x max
x min
∆xpp =
x mean
x absmean
x RMS
=
max( x1, x2, …, xn) min( x1, x2, …, xn) max( x1, x2, …, xn) – min( x1, x2, …, xn) N
1
= --- ⋅ x
N ∑ i
=
x ACRMS
N
∑
i = 1
N
1
= --- ⋅ x
N ∑ i
=
X = xi⋅∆i x ripple
k ripple
i = 1
=
i = 1
N
1 2
--- ⋅ x
N ∑ ( i ⋅ ∆i)
i = 1
2
xRMS 2
xmean ( – )
2
xRMS 2
xmean ------------- – 1
xmax – xmin = ----------------------------
x mean
h = 1–
-----------------
1
x RMS
f = -------------
x mean
x 2 ripple
max( xmax , xmin )
c =
-----------------------------------------------
x RMS