Technical Data
4.5 Flexible Protective Functions
SIPROTEC, 7RW80, Manual
C53000-G1140-C233-1, Release date 10.2010
189
4.5
Flexible Protective Functions
Measured Quantities / Operating Modes
Setting Ranges / Increments
Three-phase
V, 3V
0
, V1, V2,
dV/dt, df/dt
Single-phase
V, V
N
,V
x
,
Without fixed phase reference
f, binary input
Measuring procedure for V
Fundamental wave,
True RMS value,
Positive Sequence System,
Negative sequence system,
Zero sequence system
Pickup on
Exceeding threshold or
falling below threshold
Pickup thresholds:
Voltage V, V
1
, V
2
, 3V
0
2.0 V to 260.0 V
Increments 0.1 V
Displacement voltage V
N
2.0 V to 200.0 V
Increments 0.1 V
Frequency
for f
Nom
= 50 Hz
for f
Nom
= 60 Hz
40.0 Hz to 60.0 Hz
50.0 Hz to 70.0 Hz
Increments 0.01 Hz
Increments 0.01 Hz
Frequency change df/dt
0.10 Hz/s to 20.00 Hz/s
Increments 0.01 Hz/s
Voltage change dV/dt
3 V/s to 100 V/s
Increments 1 V/s
Dropout ratio > element
1.01 to 3.00
Increments 0.01
Dropout ratio < element
0.70 to 0.99
Increments 0.01
Dropout difference f
0.02 Hz to 1.00 Hz
Increments 0.01 Hz
Pickup delay (standard)
0.00 s to 60.00 s
Increments 0.01 s
Command delay time
0.00 s to 3600.00 s
Increments 0.01 s
Dropout delay
0.00 s to 60.00 s
Increments 0.01 s
