Furthermore the other build-in protection elements can be used for other protection
and alarming purposes.
0.2
0.4
0.6
-0.2
0.6
0.8
0.8
1
D
ILowSet
B
A
C
0.4
0.2
0
1.2
1.4
-0.4
-0.6
-0.8
-rca
Operating Region
Q [pu]
P
[pu]
rca
U
PS
I
PS
ILowSet
Operating region
en05000535.vsd
IEC05000535 V2 EN-US
Figure 73:
Loss of excitation
Section 11
1MRK 511 407-UEN C
Multipurpose protection
204
Phasor measurement unit RES670 2.2 IEC
Application manual
Summary of Contents for Relion RES670
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