4 Technical Data
424
7UM62 Manual
C53000-G1176-C149-3
4.11
Reverse Power Protection (ANSI 32R)
Setting Ranges/
Resolutions
Reverse Power
P
r
>/S
N
–0.50 % to –30.0 %(Increments 0.01 %)
Delay Times
T
0.00 s to 60.00 s
(Increments 0.01 s)
or
∞
(does not expire)
Inherent Operating
Times
Pickup Times
– Reverse Power
P
r
>
Approx. 360 ms at 50 Hz
Approx. 300 ms at 60 Hz
Drop-Off Times
– Reverse Power
P
r
>
Approx. 360 ms at 50 Hz
Approx. 300 ms at 60 Hz
Dropout
– Reverse Power
P
r
>
Approx. 0.6
Tolerances
– Reverse Power
P
r
>
0.25 % S
N
±
3 % of set value
at Q < 0.5 S
N
(S
N
: rated apparent power,
Q:
reactive power)
– Delay Times
T
1 % of setting value or 10 ms
Influencing
Variables for
Pickup
Power Supply Direct Voltage 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 %
Harmonic Currents
– Up to 10 % 3rd Harmonics
< 1 %
– Up to 10 % 5th Harmonics
< 1 %
