Monitored Data - ABB RELION REX640 Technical Manual

Section 4
Protection functions
4.7.4.9
4.7.4.10
4.8
4.8.1
4.8.1.1
952

Monitored data

Table 885: UZPDIS Monitored data
Name Type
START_DUR FLOAT32
Z_AMPL_AB FLOAT32
Z_AMPL_BC FLOAT32
Z_AMPL_CA FLOAT32
UZPDIS Enum
Technical data
Table 886: UZPDIS Technical data
Characteristic
Operation accuracy
1)2)
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy
1) f = 50 Hz, results based on statistical distribution of 1000 measurements
n
2) Includes the delay of the signal output contact
Power protection
Underpower protection DUPPDPR
Identification
Function description
Underpower protection
Values (Range) Unit
0.00...100.00 %
0.00...200.00 xZn
0.00...200.00 xZn
0.00...200.00 xZn
1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the measured
current and voltage: f
±3.0% of the set value or ±0.2 %Zb
Typically 50 ms
Typically 40 ms
Typically 1.04
<40 ms
±1.0% of the set value or ±20 ms
IEC 61850 IEC 60617
identification identification
DUPPDPR P<
1MRS759142 C
Description
Ratio of start time /
operate time (in %)
Phase-to-phase A-B
impedance amplitude
Phase-to-phase B-C
impedance amplitude
Phase-to-phase C-A
impedance amplitude
Status
±2 Hz
n
ANSI/IEEE C37.2
device number
32U
REX640
Technical Manual