Siemens 6MD85, Manual

Page: 1165 / 1256

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