GE MFAC 14 User Manual page 22

2.2.7 Stability check by primary injection
Restricted earth fault
Phases
A–N
B–N
C–N
Circulating current between two or more sets of current transformers.
Phases
A1–A2
B1–B2
C1–C2
Where more than two sets of current transformers are involved, injection should
be carried out between set 1 and each other set in turn.
Commissioning Engineer
Primary current (A1)
Primary current (A1)
Date
Spill current (A2)
Spill current (A2)
Customer Witness
22
Date