ABB Relion 670 series - Page 181

Trip area
ROADir
ANSI06000650-3-en.vsd
 0RCADir
0
3I

0
3 I cos

0
3
ref
VV
ANSI06000650 V3 EN-US
Figure 48: Characteristic with ROADir restriction
1MRK 504 165-UUS Rev. J Section 11
Testing functionality by secondary injection
Transformer protection RET670 175
Commissioning manual
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