4.5.2.10 Technical data
Table 399: PHPTUV Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the voltage
measured: fn ±2 Hz
±1.5% of the set value or ±0.002 x U
n
Start time
1)2)
Minimum Typical Maximum
U
Fault
= 0.9 x set
Start
value
62 ms 64 ms 66 ms
Reset time < 40 ms
Reset ratio Depends on the set
Relative hysteresis
Retardation time < 35 ms
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 theoretical value or ±20 ms
3)
Suppression of harmonics DFT: -50 dB at f = n x f
n
, where n = 2, 3, 4, 5,…
1)
Start value
= 1.0 x U
n
, Voltage before fault = 1.1 x U
n
, f
n
= 50 Hz, undervoltage in one phase-to-
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
3) Minimum
Start value
= 0.50,
Start value
multiples in range of 0.90 to 0.20
4.5.2.11 Technical revision history
Table 400: PHPTUV Technical revision history
Technical revision
Change
B Step value changed from 0.05 to 0.01 for the
Time multiplier
setting.
4.5.3 Residual overvoltage protection ROVPTOV
4.5.3.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Residual overvoltage protection ROVPTOV Uo> 59G
4.5.3.2 Function block
A070766 V3 EN
Figure 254: Function block
1YHT530004D05 D Section 4
Protection functions
615 series 481
Technical Manual
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