2-
14
DGP Digital Generator Protection System
GE Power Management
2.3 PROTECTION FUNCTION SETTINGS
2 CALCULATION OF SETTINGS
2
Figure 2–2: 87G CHARACTERISTICS – K1 = 1%, PICKUP = 0.3 A
0
2
4
6
8
10
12
14
16
18
20
0
2
4
6
8
10
12
14
16
18
20
I
S
Amperes
I
R
DGP/87G
I
R
I
S
G
BUS
Amperes
TRIP AREA FOR
INTERNAL FAULTS
MARGIN FOR
CT ERROR
MARGIN FOR
CT ERROR
External Fault
No CT Error
(I = I )
R
S
I
Gen. to bus
s
Bus to Gen.
I
s
Summary of Contents for DGP Series
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Page 192: ...8 18 DGP Digital Generator Protection System GE Power Management 8 5 PASSWORDS 8 INTERFACE 8...
Page 260: ...B 4 DGP Digital Generator Protection System GE Power Management B 1 CHANGE NOTES APPENDIXB B...
Page 262: ...B 6 DGP Digital Generator Protection System GE Power Management B 1 CHANGE NOTES APPENDIXB B...
Page 268: ...D 2 DGP Digital Generator Protection System GE Power Management D 1 DGP WARRANTY APPENDIXD D...
Page 276: ...viii DGP Digital Generator Protection System GE Power Management INDEX INDEX...
Page 277: ...GE Power Management DGP Digital Generator Protection System NOTES...