ABB RELION REX640 Technical Manual page 832

Protection functions
Name Type
ANGLE FLOAT32
I_OPER FLOAT32
DNSPDOC Enum
4.4.2.11 Technical data
Table 753: DNSPDOC Technical data
Characteristic
Operation accuracy
1, 2
Start time I
Reset time
Reset ratio
Retardation time
Operate time accuracy
Suppression of harmonics
4.4.3 Phase discontinuity protection PDNSPTOC (ANSI 46PD)
4.4.3.1 Identification
Function description
Phase discontinuity protection
1
Measurement mode NPS, NPS current before fault = 0.0 × I
nominal frequency injected from random phase angle, results based on statistical distribution of
1000 measurements.
2
Measured with static signal output (SSO).
832
Values (Range)
2=backward
3=both
-180.00...180.00
0.00...40.00
1=on
2=blocked
3=test
4=test/blocked
5=off
Start value
= 2 × set
Fault
Unit
deg
xIn
Value
Depending on the frequency of the current 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°
Minimum Typical
31 ms 34 ms
Typically 40 ms
Typically 0.96
<35 ms
±1.0% of the set value of ±20 ms
RMS: No suppression
DFT: -50 dB at f = n × f , where n = 2, 3, 4, 5,...
n
Peak-to-Peak: No suppression
IEC 61850 IEC 60617
identification identification
PDNSPTOC I2/I1>
, f = 50 Hz, fault NPS current with
n n
1MRS759142 F
Description
Calculated angle differ-
ence
Calculated operating
current
Status
±2 Hz
n
n
n
Maximum
37 ms
ANSI/IEEE C37.2
device number
46PD
REX640
Technical Manual