ABB Relion 670 series, Technical Manual

Page: 523 / 1432

Function Range or value Accuracy
Trip level for non-
directional residual
overvoltage
(1.00-200.00)% of
VBase
±0.5% of V
n
at V £ V
n
±0.5% of V at V > V
n
Residual release current for
all directional modes
(0.25-200.00)% of lBase
±1.0% of I
n
at I £ I
n
±1.0% of I at I > I
n
Residual release voltage for
all directional modes
(1.00-300.00)% of VBase
±0.5% of V
n
at V £ V
n
±0.5% of V at V > V
n
Trip time for non-
directional residual
overcurrent at 0 to 2 x Iset
Min. = 40 ms
Max. = 65 ms
Reset time for non-
directional residual
overcurrent at 2 to 0 x Iset
Min. = 40 ms
Max. = 65 ms
Trip time for directional
residual overcurrent at 0 to
2 x Iset
Min. = 110 ms
Max. = 160 ms
Reset time for directional
residual overcurrent at 2 to
0 x Iset
Min. = 20 ms
Max. = 60 ms
Independent time delay for
non-directional residual
overvoltage at 0.8 to 1.2 x
Vset
(0.000 – 60.000) s ±0.2% or ± 75 ms whichever is
greater
Independent time delay for
non-directional residual
overcurrent at 0 to 2 x Iset
(0.000 – 60.000) s ±0.2% or ± 75 ms whichever is
greater
Independent time delay for
directional residual
overcurrent at 0 to 2 x Iset
(0.000 – 60.000) s ±0.2% or ± 170 ms whichever is
greater
Inverse characteristics, see
table 1079 , table 1080 and
table 1081
16 curve types See table 1079 , table 1080 and
table 1081
Relay characteristic angle
(RCADir)
(-179 to 180) degrees ±2.0 degrees
Relay operate angle
(ROADir)
(0 to 90) degrees ±2.0 degrees
8.7 Thermal overload protection, two time constants
TRPTTR (49)
IP14513-1 v4
1MRK 502 066-UUS B Section 8
Current protection
517
Technical manual