ERL F-PRO 5100, User Manual

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D02416R04.00 F-PRO 5100 User Manual Appendix I-1
Appendix I AC Schematic Drawing
Notes: 1. CT inputs 1 to be used for protection and for recording of the protected line. 2. CT inputs 2 can be used for auxilliary set of line currents for ring bus applications. 3. AC Sync Voltage input used for sync check, main AC voltage inputs used for line protection.
Line CTs
Line Breaker
52-1
IA 1 300
IA 1
301
IB 1 302
IB 1
303
IC 1
304
IC 1
305
IA 2 306
IA 2
307
IB 2 308
IB 2
309
IC 2
310
IC 2 311
Aux AC
Line Currents
Main AC
Line Currents
Line Breaker
52-2
Bus A
Bus B
Bus A
Line AC
PTs
VA
330
VB
331
VC
332
N
333
Main
AC Volts
A B
Protected Line
C
AB
C
AB
C
AB
C
AB
C
V
328
N
329
Sync
AC Volts
Sync PT (Single-phase)
Figure I.7: F-PRO AC Schematic