ABB Relion 611 Series, Technical Manual

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Table 272: PHPTOV Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Minimum operate time 40...60000 ms 1 40 Minimum operate time for IDMT curves
Reset delay time 0...60000 ms 1 20 Reset delay time
Curve Sat Relative 0.0...10.0 0.1 0.0 Tuning parameter to avoid curve
discontinuities
Relative hysteresis 1.0...5.0 % 0.1 4.0 Relative hysteresis for operation
4.5.1.9 Monitored data
Table 273: 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 274: PHPTOV Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the measured
voltage: f
n
±2 Hz
±1.5% of the set value or ±0.002 × U
n
Start time
1)2)
Minimum Typical Maximum
U
Fault
= 1.1 × set Start
value
23 ms 27 ms 31 ms
Reset time Typically 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 × f
n
, where n = 2, 3, 4, 5,…
1)
Start value = 1.0 × U
n
, Voltage before fault = 0.9 × 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 × U
n
, Start value multiples in range of 1.10...2.00
1MRS757454 D
Section 4
Protection functions
611 series 259
Technical Manual