ABB RELION REX640 Technical Manual page 1069

1MRS759142 F
Figure 596: Forward active overpower characteristics (a) and forward reactive
overpower characteristics (b)
Figure 597: Reverse active overpower characteristics (a) and reverse reactive
overpower characteristics (b)
4.8.2.7 Signals
REX640
Technical Manual
Q
Non
Operating
operating
area
(a )
Q
Non
Operating
operating
area
area
(a)
area
P
P
Protection functions
Q
Operating area
Non operating area
(b)
Q
Non
operating area
Operating area
(b)
P
P
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