Monitored Data - ABB RED615 Technical Manual

1YHT530004D05 D
4.5.5.8
4.5.5.9
4.5.5.10
615 series
Technical Manual

Monitored data

Table 419: PSPTUV Monitored data
Name Type
START_DUR FLOAT32
PSPTUV Enum
Technical data
Table 420: PSPTUV Technical data
Characteristic
Operation accuracy
1)2)
Start time
U
value
U
value
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Suppression of harmonics
1) Start value = 1.0 x U , Positive sequence voltage before fault = 1.1 x U
n
sequence undervoltage with nominal frequency injected from random phase angle, results based on
statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
Technical revision history
Table 421: PSPTUV Technical revision history
Technical revision
B
Values (Range)
0.00...100.00
1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the voltage
measured: f
±1.5% of the set value or ±0.002 x U
Minimum
Start
= 0.99 x set
Fault
51 ms
= 0.9 x set Start
43 ms
Fault
< 40 ms
Depends of the set
< 35 ms
±1.0% of the set value or ±20 ms
DFT: -50 dB at f = n x f
Change
-
Section 4
Protection functions
Unit Description
% Ratio of start time /
operate time
Status
±2 Hz
n
Typical
53 ms
45 ms
Relative hysteresis
, where n = 2, 3, 4, 5,...
n
, f = 50 Hz, positive
n n
n
Maximum
54 ms
46 ms
493