ABB RELION REX640 Technical Manual page 973

1MRS759142 C
REX640
Technical Manual
Q
Non
operating
area
(a )
GUID-4051CF3B-5C4C-4F18-99F4-7D4BE2C3E7AA V1 EN
Figure 523: Forward active overpower characteristics (a) and forward reactive
overpower characteristics (b)
Q
Non
Operating
operating
area
area
GUID-84DF2DBF-1055-4B4A-A498-30C164DACD7F V1 EN
Figure 524: Reverse active overpower characteristics (a) and reverse reactive
overpower characteristics (b)
Operating
area
P
P
(a)
Section 4
Protection functions
Q
Operating area
Non operating area
(b)
Q
Non
operating area
Operating area
(b)
P
P
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