ABB RELION REX640 - 4.8.2.9 DOPPDPR Monitored data; 4.8.2.10 Technical data; 4.8.3 Directional reactive power undervoltage protection DQPTUV (ANSI 32 Q,27)

Table 1006: DOPPDPR Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Reset delay time 0...60000 ms 10 20 Reset delay time
Pol reversal
0=False
1=True
0=False Reverse the defini-
tion of the power
direction
4.8.2.9 DOPPDPR Monitored data
Table 1007: DOPPDPR Monitored data
Name Type Values (Range) Unit Description
START_DUR FLOAT32 0.00...100.00 % Ratio of start time / op-
erate time
P FLOAT32 -160.000...160.000 xSn Active power
Q FLOAT32 -160.000...160.000 xSn Reactive power
S FLOAT32 0.000...160.000 xSn Apparent power
PF_ANGLE FLOAT32 -180.00...180.00 deg Power factor angle
DOPPDPR Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.8.2.10 Technical data
Table 1008: DOPPDPR Technical data
Characteristic Value
Operation accuracy
1
Depending on the frequency of the measured
current and voltage:
f = f
n
±2 Hz
Power measurement accuracy ±3% of the set
value or ±0.002 × S
n
Phase angle: ±2°
Start time
2, 3
Typically 45 ms
Reset time Typically 30 ms
Reset ratio Typically 0.94
Operate time accuracy ±1.0 % of the set value of ±20 ms
Suppression of harmonics -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
1
Measurement mode = “Pos Seq” (default)
2
U = U
n
, f
n
= 50 Hz, results based on statistical distribution of 1000 measurements
3
Includes the delay of the signal output contact
1MRS759142 F Protection functions
REX640
Technical Manual
1071