ABB REL670 Product Manual page 71

Line distance protection REL670 2.2
Product version: 2.2
Table 46. Phase preference logic PPLPHIZ
Function
Operate value, phase-to-phase
and phase-to-neutral
undervoltage
Reset ratio, undervoltage
Operate value, residual voltage
Reset ratio, residual voltage
Operate value, residual current
Reset ratio, residual current
Independent time delay for
residual current at 0 to 2 x I
Independent time delay for
residual voltage at 0.8 x U
set
x U
set
Independent dropoff-delay for
residual voltage at 1.2 x U
set
x U
set
Operating mode
Table 47. Phase preference logic PPL2PHIZ
Function
Operate value, phase-to-phase
and phase-to-neutral
undervoltage
Reset ratio, undervoltage
Operate value, residual voltage
Reset ratio, residual voltage
Operate value, residual current
Reset ratio, residual current
Independent time delay for
residual current at 0 to 2 x I
Independent time delay for
residual voltage at 0.8 to 1.2 x U
Independent dropoff-delay for
residual voltage at 1.2 to 0.8 x U
Operating mode
ABB
Range or value
(1 - 100)% of UBase
< 105%
(5 - 300)% of UBase
> 95%
(10 - 200)% of IBase
> 95%
(0.000 - 60.000) s
set
(0.000 - 60.000) s
to 1.2
(0.000 - 60.000) s
to 0.8
No Filter, NoPref
Cyclic: 1231c, 1321c
Acyclic: 123a, 132a, 213a, 231a, 312a, 321a
Range or value
(1 - 100)% of UBase
< 105%
(5 - 300)% of UBase
> 95%
(10 - 200)% of IBase
> 95%
(0.000 - 60.000) s
set
(0.000 - 60.000) s
set
(0.000 - 60.000) s
set
No Filter, NoPref
Cyclic: 1231c, 1321c
Acyclic: 123a, 132a, 213a, 231a, 312a, 321a
Accuracy
±0.5% of U
r
-
±0.5% of U at U ≤ U
r r
±0.5% of U at U > U
r
-
±1.0% of I at I ≤ I
r r
±1.0% of I at I > I
r
-
±0.2% or ±25 ms whichever is greater
±0.2% or ±25 ms whichever is greater
±0.2% or ±25 ms whichever is greater
Accuracy
±0.5% of U
r
-
±0.5% of U at U ≤ U
r r
±0.5% of U at U > U
r
-
±1.0% of I at I ≤ I
r r
±1.0% of I at I > I
r
-
±0.2% or ±25 ms whichever is greater
±0.2% or ±25 ms whichever is greater
±0.2% or ±25 ms whichever is greater
1MRK 506 372-BEN -
71