Technical Data; Phase Discontinuity Protection Pdnsptoc; Identification - ABB RELION REX640 Technical Manual

Section 4
Protection functions
4.4.2.11
4.4.3
4.4.3.1
748
Name Type
ANGLE FLOAT32
I_OPER FLOAT32
DNSPDOC Enum

Technical data

Table 679: DNSPDOC Technical data
Characteristic
Operation accuracy
1)2)
Start time
I
Fault
value
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Suppression of harmonics
1) Measurement mode NPS, NPS current before fault = 0.0 × I
frequency injected from random phase angle, results based on statistical distribution of 1000
measurements
2) Measured with static signal output (SSO)

Phase discontinuity protection PDNSPTOC

Identification

Function description
Phase discontinuity protection
Values (Range) Unit
-180.00...180.00 deg
0.00...40.00 xIn
1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the measured
current: 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
Start
= 2 × set
31 ms
Typically 40 ms
Typically 0.96
<35 ms
±1.0% of the set value or ±20 ms
RMS: No suppression
DFT: -50 dB at f = n × f
Peak-to-Peak: No suppression
n
IEC 61850
identification
PDNSPTOC
1MRS759142 C
Description
Calculated angle
difference
Calculated operating
current
Status
±2 Hz
n
n
n
Typical Maximum
34 ms 37 ms
, where n = 2, 3, 4, 5,...
n
, f = 50 Hz, fault NPS current with nominal
n
IEC 60617 ANSI/IEEE C37.2
identification device number
I2/I1> 46PD
Technical Manual
REX640