Settings For Each Step - ABB REG670 Applications Manual

1MRK 502 071-UEN -
9.2.3.1
Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
Application manual
IEC09000636 V2 EN
Figure 172: Directional function characteristic
1. RCA = Relay characteristic angle
2. ROA = Relay operating angle
3. Reverse
4. Forward

Settings for each step

x means step 1, 2, 3 and 4.
DirModex: The directional mode of step x. Possible settings are Off/Non-directional/
Forward/Reverse.
Characteristx: Selection of time characteristic for step x. Definite time delay and
different types of inverse time characteristics are available according to Table 34.
3
1
2
2
Section 9
Current protection
U
ref
4
I
dir
IEC09000636_2_vsd
327