socomec ATyS s Instruction Manual page 89

AnnexeI-7.2.Voltageunbalancemeasurement
3
u 32
Balanced network
AnnexeI-8.Frequencylevelsmenu–keypadnavigation
3
FREQ. LEVELS
OV. F I 105%
OV. F HYS I 103%
I
UND. F 095%
UND. F HYS I 097%
OV. F I I 105%
OV. F HYS I I 103%
I I 095%
UND. F
UND. F HYS I I 097%
** Adjustment range given:
• As a % of nominal frequency
AnnexeI-8.1.Under-frequencyorover-frequency
The thresholds and hysteresis are defined as percentages of nominal frequency.
The hysteresis define return to normal levels following an under-frequency or over-frequency.
%
checked value (frequency)
100
source available
ATYS p - 542001E - SOCOMEC
u 13
1
u 21
2
Definition
Over Frequency Threshold: Source 1
Over Frequency Hysteresis: Source 1
Under Frequency Threshold: Source 1
Under Frequency Hysteresis: Source 1
Over Frequency Threshold: Source 2
Over Frequency Hysteresis: Source 2
Under Frequency Threshold: Source 2
Under Frequency Hysteresis: Source 2
u 1'3'
3'
1'
3 1
n'
n
u 3'2' u 2'1'
2'
2
Unbalanced network
**AdjustmentRange
102 – 130%
101 – 129%
60 – 98%
61 – 99%
102 – 130%
101 – 129%
60 – 98%
61 – 99%
upper threshold (oV. f)
upper threshold
hysteresis (oV. f hys)
t
lower threshold
hysteresis (und. f hys)
lower threshold (und. f)
M-G M-M
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EN 89