Name Type Values (Range) Unit Description
5=off
4.1.3.10 Technical data
Table 423: PHPVOC Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the meas-
ured current and voltage:
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
Start time ,
2
Typically 26 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Operate time accuracy in inverse time mode ±5.0% of the set value or ±20 ms
Suppression of harmonics -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
4.1.4 Accidental energization protection GAEPVOC (ANSI 27/50)
4.1.4.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Accidental energization protection GAEPVOC U<,I> 27/50
4.1.4.2 Function block
Figure 224: Function block
1
Measurement mode
= default, current before fault = 0.0 × I
n
, f
n
= 50 Hz, fault current in one
phase with nominal frequency injected from random phase angle, results based on statistical
distribution of 1000 measurements
2
Includes the delay of the signal output contact
Protection functions 1MRS759142 F
378 REX640
Technical Manual
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