IBA PQU-S, Manual, Page: 38 / 116

Manual ibaPQU-S
38
Issue 1.3
10.1.1 Overview of the modules in ibaPDA
Module Characteristic values Measurement interval
Half
period 200
ms 3 s 10
s 10
min 2 h
EN50160: Power
frequency
Frequency (reference signal, all voltage
inputs) x
EN50160: Slow
supply voltage
variation
RMS value
(all voltage inputs) x
EN50160:
Harmonic
voltage Fundamental frequency, THD up to 40th
harmonic,
relative harmonic 1 - 50
(all voltage inputs)
x
EN50160: Mains
signalling
voltage
Fundamental frequency, DC component,
relative harmonic 1 - 50,
relative interharmonic 1 - 50
(all voltage inputs)
x
EN50160:
Voltage events RMS value
(all voltage inputs)
x
EN50160: Flicker
severity
Long-term flicker calculation per phase x
EN50160: Supply
voltage
unbalance Calculation of the voltage balance for
the negative sequence component x
Basic Frequency (reference signal) x x
RMS value, peak value, rectified value,
frequency
(all voltage and current inputs) x x
Phase angle, form factor, crest factor
(peak factor)
(all voltage and current inputs) x
Spectrum Fundamental frequency, THD, DC
component, absolute or relative
harmonic 1 - 50, absolute or relative
interharmonic 1 - 50 (for one voltage or
current input) x x x x x
Phasor RMS value, phase angle, frequency (all
voltage and current inputs) x
Power Power and energy calculations per
phase and for the overall grid x
Flicker severity
Flicker calculations per phase in
different time intervals x x x
Asymmetry Calculation of the symmetrical
components x
Aggregation User configurable User configurable
Commutation
notches Commutation notches per phase in
percent x