ABB RELION REX640, Техническое руководство, Страница: 832 / 1960

Name Type Values (Range) Unit Description
2=backward
3=both
ANGLE FLOAT32 -180.00...180.00 deg Calculated angle differ-
ence
I_OPER FLOAT32 0.00...40.00 xIn Calculated operating
current
DNSPDOC Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.4.2.11 Technical data
Table 753: DNSPDOC Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the current measured: f
n
±2 Hz
Current:
±1.5% of the set value or ±0.002 × I
n
Voltage:
±1.5% of the set value or ±0.002 × U
n
Phase angle:
±2°
Start time
1, 2
I
Fault
= 2 × set Start value Minimum Typical Maximum
31 ms 34 ms 37 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Retardation time <35 ms
Operate time accuracy ±1.0% of the set value of ±20 ms
Suppression of harmonics
RMS: No suppression
DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
Peak-to-Peak: No suppression
4.4.3 Phase discontinuity protection PDNSPTOC (ANSI 46PD)
4.4.3.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Phase discontinuity protection PDNSPTOC I2/I1> 46PD
1
Measurement mode NPS, NPS current before fault = 0.0 × I
n
, f
n
= 50 Hz, fault NPS current with
nominal frequency injected from random phase angle, results based on statistical distribution of
1000 measurements.
2
Measured with static signal output (SSO).
Protection functions 1MRS759142 F
832 REX640
Technical Manual