4.5.1.9 Monitored data
Table 389: PHPTOV Monitored data
Name Type Values (Range) Unit Description
START_DUR FLOAT32 0.00...100.00 % Ratio of start time /
operate time
PHPTOV Enum 1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.5.1.10 Technical data
Table 390: PHPTOV Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the voltage
measured: f
n
±2 Hz
±1.5% of the set value or ±0.002 x U
n
Start time
1)2)
Minimum Typical Maximum
U
Fault
= 1.1 x set
Start
value
22 ms 24 ms 26 ms
Reset time < 40 ms
Reset ratio Depends of 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 = 0.9 x U
n
, f
n
= 50 Hz, overvoltage 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) Maximum
Start value
= 1.20 x U
n
,
Start value
multiples in range of 1.10 to 2.00
4.5.1.11 Technical revision history
Table 391: PHPTOV Technical revision history
Technical revision
Change
B Step value changed from 0.05 to 0.01 for the
Time multiplier
setting.
1YHT530004D05 D Section 4
Protection functions
615 series 473
Technical Manual
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