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Trip area
ROADir
ANSI06000650-3-en.vsd
0
RCADir
0
3
I
0
3
I
cos
0
3
ref
V
V
ANSI06000650 V3 EN-US
Figure 73:
Characteristic with ROADir restriction
The function indicates forward/reverse direction to the fault. Reverse direction is
defined as 3I
0
·cos (φ + 180°) ≥ the set value.
It is also possible to tilt the characteristic to compensate for current transformer angle
error with a setting
RCAComp
as shown in the Figure
:
1MRK 511 408-UUS A
Section 8
Current protection
Phasor measurement unit RES670 2.2 ANSI
237
Technical manual
Содержание Relion RES670
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