ABB RET670 Commissioning Manual page 192

Section 11
Testing functionality by secondary injection
186
ANSI06000650 V3 EN
Figure 45: Characteristic with ROADir restriction
 0
RCADir
3I
0
Trip area

3  
I cos
0
ROADir
ANSI06000650-3-en.vsd
Transformer protection RET670 2.2 ANSI
1MRK 504 165-UUS -
 
3 V V
0 ref
Commissioning manual