ABB REG316 4 Series - Page 677

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