ABB REG316 4 Series Operating Instructions Manual page 677

ABB Switzerland Ltd
Utility Automation
Diagrams
Auxiliary unit for REG216/316*4 for 100%
stator and rotor earth fault protection
REX011 Injection transformer
Type of auxiliary transformer
Primary voltage
Secondary voltage
REX011
REX011-1
REX011-2
Auxiliary contactor
HV test
Dimensions
REX011
REX011-1, -2
Fig. 4 Stator earth fault protection, star point
Fig. 6 Stator earth fault protection with
earthing transformer on star point
WU30Z
2 x 110 V
110 V / 50 V Terminals UK5 (Phoenix) 5 mm
4 x 0.86 V / 50 V Terminals UHV50 (Phoenix) 50 mm
4 x 6.4 V / 50 V Terminals UHV50 (Phoenix) 50 mm
P8nax (8 normally open contacts)
2.5 kV common mode
Mounting surface, 180 x 290 mm and 245 mm high
Mounting surface, 180 x 290 mm and 275 mm high
Fig. 5 Stator earth fault protection with earthing
transformer on generator terminals
Fig. 7 Single pole rotor connection earthing with
resistors
REX010/011
1MRB520123-Ben
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