ABB Relion 670 series - Page 509

X
a
a>b
b
IDirPU
polMethod=Voltage
polMethod=Dual
OR
FORWARD_Int
REVERSE_Int
BLOCK
STAGE1_DIR_Int
0.6
X
0.4
AND
STAGE3_DIR_Int
STAGE4_DIR_Int
STAGE2_DIR_Int
OR
PUREV
VPolMin
IPolMin
AngleRCA
T
F
0.0
X
T
F
RNPol
XNPol
0.0
D
i
r
e
c
t
i
o
n
a
l
C
h
a
r
a
c
t
e
r
i
s
t
i
c
FWD
RVS
AND
AND
AND
PUFW
FORWARD_Int
REVERSE_Int
AND
ANSI07000067-4-en.vsd
|
|
VPol
VIPol
I3PDIR
VTPol
IopDir
Complex
Number
a
a>b
b
IPol
T
F
0.0
polMethod=Current
OR
ANSI07000067 V4 EN-US
Figure 263: Simplified logic diagram for directional supervision element with integrated directional
comparison step
8.5.8 Technical data
GUID-10E9194D-3AE9-4D0F-867E-473E6F4BF443 v1
GUID-E83AD807-8FE0-4244-A50E-86B9AF92469E v5
Table 241: NS4PTOC (46I2) technical data
Function Range or value Accuracy
Trip value, step 1 - 4 (1-2500)% of lBase
±1.0% of I
n
at I £ I
n
±1.0% of I at I > I
n
Reset ratio > 95% at (10-2500)% of IBase -
Independent time delay at 0
to 2 x I
set
, step 1 - 4
(0.000-60.000) s ±0.2% or ±35 ms whichever is
greater
Minimum operate time for
inverse curves, step 1 - 4
(0.000 - 60.000) s ±0.2% or ±35 ms whichever is
greater
Inverse time characteristics,
see table 1076, table 1077
and table 1078
16 curve types See table 1076, table 1077 and
table 1078
Table continues on next page
1MRK 502 066-UUS B Section 8
Current protection
503
Technical manual