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
ire
ct
io
n
al
C
ha
ra
ct
e
ris
tic
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,
and table
16 curve types
See table
, table
and
table
Table continues on next page
1MRK 502 066-UUS B
Section 8
Current protection
503
Technical manual
Содержание Relion 670 series
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