4 Technical Data
430
7UM62 Manual
C53000-G1176-C149-3
4.16
Overvoltage Protection (ANSI 59)
Setting Ranges /
Resolution
Measurement Quantities:
Maximum of the phase–to–phase voltages,
calculated from the phase–to–earth voltag-
es
Pickup Voltage
U>, U>>
30.0 V to 170.0 V
(Increments 0.1 V)
59-1, 59-2
Dropout Ratio
U>, U>>
0.90 to 0.99
(Increments 0.01)
for 59-1, 59-2
Delay Time
T U>, T U>>
0.00 s to 60.00 s
(Increments 0.01 s)
59-Delay
or
∞
(does not expire)
The set time are pure delay times.
Inherent Operating
Times
Pickup Times
Approx. 50 ms
Dropout Times
Approx. 50 ms
Tolerances
– Pickup Voltages
1 % of set value, or 0.5 V
– Delay Times
T
1 % of set value, or 10 ms
Influencing
Variables
Power supply DC voltage (V
DC
) in Range
0.8
≤
U
PS
/ U
PS nominal
≤
1.15
1 %
Temperature in Range
23 °F
≤ ϑ
amb
≤
131 °F
0.3 % / 10 °F
–5 °C
≤ ϑ
amb
≤
55 °C
0.5 % / 10 K
Frequency in Range
0.95
≤
f/f
N
≤
1.05
< 1 %
Harmonics
- Up to 10 % 3rd Harmonics
< 1 %
- Up to 10 % 5th Harmonics
< 1 %
