ABB Relion 670 series, Technical Reference Manual

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Name Values (Range) Unit Step Default Description
tVN 0.000 - 60.000 s 0.001 0.100 Pickup-delay for residual voltage
tOffVN 0.000 - 60.000 s 0.001 0.100 Dropoff-delay for residual voltage
tIN 0.000 - 60.000 s 0.001 0.150 Pickup-delay for residual current
Table 183: PPLPHIZ technical data
Function Range or value Accuracy
Operate value, phase-to-phase
and phase-to-neutral
undervoltage
(10.0 - 100.0)% of VBase ± 0,5% of V
n
Reset ratio, undervoltage < 105% -
Operate value, residual voltage (5.0 - 70.0)% of VBase ± 0,5% of V
n
Reset ratio, residual voltage > 95% -
Operate value, residual current (10 - 200)% of IBase ± 1,0% of I
n
for I < I
n
± 1,0% of I for I > I
n
Reset ratio, residual current > 95% -
Timers (0.000 - 60.000) s ± 0,5% ± 10 ms
Operating mode No Filter, NoPref
Cyclic: 1231c, 1321c
Acyclic: 123a, 132a, 213a, 231a,
312a, 321a
1MRK505222-UUS C
Section 6
Impedance protection
377
Technical reference manual