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SECTION III OPERATION MANUAL
Utrecht
- 44 - Ref 002
Mains Signaling is classified in four groups:
ripple control systems (110 Hz to 3000 Hz)
medium-frequency power-line carrier systems (3kHz – 20kHz)
radio-frequency power-line carrier systems (20kHz – 148.5kHz)
mains-mark system
10
0.1
0.1 1 10010
9
5
1.5
3
signal level: Us/Un (%)
frequency (kHz)
EN50150
IEC
Fig 15b: Mains Signaling voltage level limits according EN50160 and IEC
To enable 'SIGNAL / INTER' menu press ENTER key in Spectrum screen. Use UP and
DOWN keys to toggle between 'Harmonics' and 'Signal/Inter' option and press ENTER to
select required one (see Fig.15a). Mains Signaling and Interharmonic measurements are
part of EN50160 measurement. If EN50160 is not selected, 'Select EN50160' message is
displayed.
SIGNAL/ INTER.
226.1 V
0.23%
h3
50.01Hz
0.5V
10%
thd= 3.1%
HARMONICS
06:46:44
Select EN50160
U1
HARMONICS
226.1 V
0.23% 0.5V
sel.freq.
10%
150Hz
SIGNAL/ INTER.
06:46:44
U1
Fig. 15c: Mains Signaling / Interharmonic Analysis
Use LEFT and RIGHT keys to select the required frequency (from DC to 2560Hz - 5Hz
step), and the SELECT key to choose the required input signal (U1, U2, U3,).
EN50160
IEC
45


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