ABB RELION 620 Series Technical Manual page 655

1MRS757644 F
4.5.3.9
4.5.3.10
4.5.3.11
620 series
Technical Manual
Monitored data
Table 600: PHPTUV Monitored data
Name Type
START_DUR FLOAT32
PHPTUV Enum
Technical data
Table 601: PHPTUV Technical data
Characteristic
Operation accuracy
1)2)
Start time
U
value
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
Start value = 1.0 × U
1) , Voltage before fault = 1.1 × U
n
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
Start value = 0.50, Start value multiples in range of 0.90...0.20
3) Minimum
Technical revision history
Table 602: PHPTUV Technical revision history
Technical revision
B
C
D
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 × U
Minimum
Start
= 0.9 × set
62 ms
Fault
Typically 40 ms
Depends on the set
<35 ms
±1.0% of the set value or ±20 ms
±5.0% of the theoretical value or ±20 ms
DFT: -50 dB at f = n × f
, f
n n
Change
Step value changed from 0.05 to 0.01 for the
multiplier setting.
Curve Sat relative max range widened from 3.0 to
10.0 % and default value changed from 2.0 to
0.0 %.
Added setting
Section 4
Protection functions
Unit Description
% Ratio of start time /
operate time
Status
±2 Hz
n
Typical Maximum
66 ms 70 ms
Relative hysteresis
, where n = 2, 3, 4, 5,...
n
= 50 Hz, undervoltage in one phase-to-phase
Type of time reset .
n
3)
Time
649