Siemens SIPROTEC 5 7VE85 Manual page 60

Technical Data
12.17 Power-Plant Disconnection Protection
12.17 Power-Plant Disconnection Protection
Setting Values
Threshold P1>
Threshold P1<
Threshold Vph-ph<
Threshold I>
Threshold dP1<
Dropout delay
Operate delay
Operate curve
Functional Measured Values
Functional measured values are available to you so that you can better evaluate the behavior of the function.
You can collect these functional measured values in a fault record for example.
Measured Description
Value
P1(t) Positive-sequence system active power, which is evaluated by the function. The measured value
is calculated every 1/4 cycle.
dP1(t) Continuous representation of the active-power change, starting from the trigger time. With this,
you can evaluate the change of the active-power difference at the prefault instant (t
dP1(t)max This measured value flows into the characteristic curve. It represents the maximum active power
during the duration of the fault.
Times
Pickup times
Characteristic curve = no
Characteristic curve = yes
Dropout times
Characteristic curve = no
Characteristic curve = yes
Tolerance
I>
P1>
Vph-ph<
66 OOT (Output Operating Time): additional delay of the output medium used
760
1 A @ 100 Irated
5 A @ 100 Irated
1 A @ 50 Irated
5 A @ 50 Irated
1 A @ 1.6 Irated
5 A @ 1.6 Irated
50.00 % to 100.00 %
0.00 % to 60.00 %
0.300 V to 175.000 V
0.030 A to 35.000 A
0.15 A to 175.00 A
0.030 A to 35.000 A
0.15 A to 175.00 A
0.001 A to 1.600 A
0.005 A to 8.000 A
-100.00 % to -30.00 %
0.00 s to 60.00 s
0.00 s to 60.00 s
2 to 5
Approx. 28 ms + OOT 66 at 50 Hz
Approx. 25 ms + OOT at 60 Hz
Approx. 26 ms + OOT at 50 Hz
Approx. 24 ms + OOT at 60 Hz
Approx. 18 ms + OOT at 50 Hz
Approx. 19 ms + OOT at 60 Hz
Approx. 22 ms + OOT at 50 Hz
Approx. 20 ms + OOT at 60 Hz
1 % of the dropout value or 0.005 I
0.5 % S or ±3 % of the setting value when Q < 0.5
rated
S
rated
0.5 % of the dropout value or 0.05 V
SIPROTEC 5, Paralleling Device, Manual
C53000-H5040-C071-1, Edition 05.2018
Increments of 0.01 %
Increments of 0.01 %
Increments of 0.001 V
Increments of 0.001 A
Increments of 0.01 A
Increments of 0.001 A
Increments of 0.01 A
Increments of 0.001 A
Increments of 0.001 A
Increments of 0.01 %
Increments of 0.01 s
Increments of 0.01 s
Increments of 1
).
prior
rated