ABB Relion 670 Series Installation Manual page 65

1MRK 514 026-UUS F
separate the instrument transformer leads from the other cables, that is, they should not be run in
the same cable ducts or loom.
Connection examples
The figures below show typical installations for rotor and stator ground fault protection with
injection unit REX060 and coupling capacitor unit REX061. Some installations with and without
shunt resistor unit REX062 are also shown.
IEC11000224 V3 EN-US
Figure 41: Rotor connection example
IEC11000225 V3 EN-US
Figure 42: Stator connection example, with REX062
670 series
Installation manual
IEC11000224-3-en.vsdx
IEC11000225-2-en.vsd
Section 6
Connecting
59