3-Phase Power Protection (P,Q) - Siemens 6MD85 Manual

11.26

3-Phase Power Protection (P,Q)

Setting Values
Measured value
Threshold value
Tilt-power characteristic
Dropout delay time
Time delay
Dropout ratio
Times
Pickup times
Dropout times
Tolerances
Power
Time delays
Variables That Influence Pickup Values
Auxiliary DC voltage in the range 0.8 ≤ V
Frequency in the range 0.95 ≤ f/f
Harmonics
- Up to 10 % of 3rd harmonics
- Up to 10 % of 5th harmonics
83 OOT (Output Operating Time): additional delay of the output medium used, see Chapter
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
Positive sequence power
Power of phase A
Power of phase B
Power of phase C
-200.0 % to +200.0 %
-89.0° to +89.0°
0.00 s to 60.00 s
0.00 s to 60.00 s
Upper stage: 0.90 to 0.99
Lower stage: 1.01 to 1.10
Approx. 55 ms + OOT 83
Approx. 45 ms + OOT at 60 Hz
Approx. 55 ms + OOT at 50-Hz
Approx. 45 ms + OOT at 60 Hz
0.5 % S ± 3 % of setting value
rated
(S : rated apparent power)
rated
1 % of the setting value or 10 ms
/V ≤ 1.15
Aux AuxRated
≤ 1.05
rated
11.26 3-Phase Power Protection (P,Q)
Increments of 0.1
Increments of 0.1°
Increments of 0.01 s
Increments of 0.01 s
Increments of 0.01
Increments of 0.01
at 50 Hz
≤ 1 %
≤ 1 %
≤ 1 %
≤ 1 %
11.1.4 Relay Outputs
Technical Data
1165