
5-210
G30 Generator Protection System
GE Multilin
5.6 GROUPED ELEMENTS
5 SETTINGS
5
Figure 5–94: DIRECTIONAL POWER CHARACTERISTIC
By making the characteristic angle adjustable and providing for both negative and positive values of the minimum operating
power a variety of operating characteristics can be achieved as presented in the figure below. For example, section (a) in
the figure below shows settings for reverse power, while section (b) shows settings for low forward power applications.
Figure 5–95: DIRECTIONAL POWER ELEMENT SAMPLE APPLICATIONS
RESTRAIN
SMIN
RCA+
CALIBRATION
+
-
OPERATE
Dir
ection
Q
P
842702A1.CDR
P
Q
OPERATE
RESTRAIN
RCA = 0
o
SMIN > 0
(d)
P
Q
OPERATE
RESTRAIN
RCA = 180
o
SMIN > 0
(a)
P
Q
OPERATE
RESTRAIN
RCA = 0
o
SMIN < 0
(c)
P
Q
OPERATE
RESTRAIN
RCA = 180
o
SMIN < 0
(b)
P
Q
OPERATE
RESTRAIN
RCA = 90
o
SMIN > 0
(e)
P
Q
OPERATE
RESTRAIN
RCA = 270
o
SMIN < 0
(f)
Summary of Contents for G30
Page 10: ...x G30 Generator Protection System GE Multilin TABLE OF CONTENTS ...
Page 30: ...1 20 G30 Generator Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 414: ...5 274 G30 Generator Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 484: ...11 12 G30 Generator Protection System GE Multilin 11 6 DISPOSAL 11 MAINTENANCE 11 ...
Page 512: ...A 28 G30 Generator Protection System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Page 620: ...B 108 G30 Generator Protection System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Page 666: ...E 10 G30 Generator Protection System GE Multilin E 1 IEC 60870 5 104 APPENDIX E E ...
Page 678: ...F 12 G30 Generator Protection System GE Multilin F 2 DNP POINT LISTS APPENDIX F F ...