Table of Contents
Line distance protection REL670
Version 2.2
Table 50. Phase preference logic PPLPHIZ
Function
Operate value, phase-to-phase and
phase-to-neutral undervoltage, UPN<
and UPP<
Reset ratio, undervoltage
Operate value, residual voltage, 3U0>
Reset ratio, residual voltage
Operate value, residual current, IN>
Reset ratio, residual current
Independent time delay for residual
current at 0 to 2 x I
, tIN
set
Independent time delay for residual
voltage at 0.8 x U
to 1.2 x U
set
Independent dropoff-delay for residual
voltage at 1.2 x U
to 0.8 x U
set
tOffUN
Operating mode
Table 51. Phase preference logic PPL2PHIZ
Function
Operate value, phase-to-phase and
phase-to-neutral undervoltage, UPN<
and UPP<
Reset ratio, undervoltage
Operate value, residual voltage, 3U0>
Reset ratio, residual voltage
Operate value, residual current
Reset ratio, residual current
Independent time delay for residual
current at 0 to 2 x I
, tIN
set
Independent time delay for residual
voltage at 0.8 to 1.2 x U
, tUN
set
Independent dropoff-delay for residual
voltage at 1.2 to 0.8 x U
, tOffUN
set
Operating mode
Hitachi Energy
GUID-BACA37F7-E945-40BC-BF9D-A65BFC96CA91 v9
Range or value
(10 - 90)% of UBase
< 105%
(10 - 300)% of UBase
> 95%
(10 - 200)% of IBase
> 95%
(0.000 - 60.000) s
(0.000 - 60.000) s
, tUN
set
(0.000 - 60.000) s
,
set
No Filter, NoPref
Cyclic: 1231c, 1321c
Acyclic: 123a, 132a, 213a, 231a,
312a, 321a
GUID-42119BFF-1756-431C-A5A1-0AB637213E96 v2
Range or value
(10 - 90)% of UBase
< 105%
(10 - 300)% of UBase
> 95%
(10 - 200)% of IBase
> 95%
(0.000 - 60.000) s
(0.000 - 60.000) s
(0.000 - 60.000) s
No Filter, NoPref
Cyclic: 1231c, 1321c
Acyclic: 123a, 132a, 213a, 231a,
312a, 321a
© 2017 - 2022 Hitachi Energy. All rights reserved
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 Q
87
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