Eaton EDR-5000 - Page 459

EDR-5000 IM02602007E
www.eaton.com 459
Prot.I dir n poss
Prot.I dir rev
Prot.I dir fwd
VA IA IB IC VC VB
Prot.I Phase MTA
φ
VAB
VA
VBC
VB
VCA
VC
VBC
I1
Phase MTA
Reverse
Forward
Voltage memory
(Forward)
(Reverse)
(Not possible)
Prot - Phase failure Direction Detection
AND AND AND
Prot.Phase Sequence
Prot.Pickup