4.12 Forward Power Supervision (ANSI 32F)
425
7UM62 Manual
C53000-G1176-C149-3
4.12
Forward Power Supervision (ANSI 32F)
Setting Ranges/
Resolutions
Forward Power
P
f
</S
N
0.5 % to 120.0 % (Increments 0.1 %)
Forward Power
P
f
>/S
N
1.0 % to 120.0 % (Increments 0.1 %)
Delay Times
T
0.00 s to 60.00 s
(Increments 0.01 s)
or
∞
(does not expire)
Inherent Operating
Times
Pickup Times
– Forward Power
P
f
<, P
f
>
Approx. 360 ms at 50 Hz with high–accu-
Approx. 300 ms at 60 Hz racy measure-
ment
Approx. 60 ms at 50 Hz
with high–speed
Approx. 50 ms at 60 Hz measure-
ment
Dropout Times
– Forward Power
P
f
<, P
f
>
Approx. 360 ms at 50 Hz with high–accu-
Approx. 300 ms at 60 Hz racy measure-
ment
Approx. 60 ms at 50 Hz
with high–speed
Approx. 50 ms at 60 Hz measure-
ment
Dropout
– Forward Power
P
f
<
Approx. 1.10 or 0.5 % of S
N
P
f
>
Approx. 0.90 or –0.5 % of S
N
Tolerances
– Forward Power
P
f
<
,
P
f
>
0.25 % S
N
±
3 % of set value
with high–accuracy measurement
0.5 % S
N
±
3 % of set value
with high–speed measurement
(S
N
: rated apparent 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 %
