Technical Data - ABB RELION REX640 Technical Manual

Section 4
Protection functions
4.1.2.12
348
Name Type
ANGLE_C FLOAT32
VMEM_USED BOOLEAN
DPHHPDOC Enum

Technical data

Table 387: DPHxPDOC Technical data
Characteristic
Operation accuracy
DPHLPDOC
DPHHPDOC
1)2)
Start time
I
Fault
value
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
Measurement mode and Pol quantity = default, current before fault = 0.0 × I
1)
× U , f = 50 Hz, fault current in one phase with nominal frequency injected from random phase angle,
n n
results based on statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
Start value = 2.5 × I
3) Maximum
Values (Range) Unit
-180.00...180.00 deg
0=False
1=True
1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the current/voltage
measured: f
Current:
±1.5% of the set value or ±0.002 × I
Voltage:
±1.5% of the set value or ±0.002 × U
Phase angle: ±2°
Current:
±1.5% of the set value or ±0.002 × I
(at currents in the range of 0.1...10 × I
±5.0% of the set value
(at currents in the range of 10...40 × I
Voltage:
±1.5% of the set value or ±0.002 × U
Phase angle: ±2°
Minimum
Start
= 2.0 × set
39 ms
Typically 40 ms
Typically 0.96
<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
Start value multiples in range of 1.5...20
,
n
1MRS759142 C
Description
Calculated angle
difference, Phase C
Voltage memory in use
status
Status
±2 Hz
n
n
n
n
)
n
)
n
n
Typical Maximum
43 ms 47 ms
3)
, where n = 2, 3, 4, 5,...
n
, voltage before fault = 1.0
n
Technical Manual
REX640