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4.7 PROTECTION TESTS
3-PHASE, 4-WIRE
VOLTAGE SOURCE
PHASE SEQUENCE
A-B-C
4
3-PHASE, 4-WIRE
CURRENT SOURCE
PHASE SEQUENCE
A-B-C
START
PRECISION
TIMER
CONTINUITY
TESTER
RATED DC POWER
SUPPLY
48, 125, 250 V DC
4-
26
VA
V B
V C
V N
IA
IB
IC
IN
+
–
Figure 4–8: STANDARD FUNCTIONAL TEST CONNECTIONS
DGP Digital Generator Protection System
BH9 or TP1-18
BH10 or TP1-19
BH11 or TP1-20
BH12 or TP1-21
AH9 or TP2-18
AH10 or TP2-19
BH1 or TP1-7
BH2 or TP1-8
BH3 or TP1-9
BH4 or TP1-10
BH5 or TP1-11
BH6 or TP1-12
BH7 or TP1-13
BH8 or TP1-14
AF5
AG5
AF6
AG6
AG1 or TP1-1
AG2 or TP1-15
BH14
SURGE & CASE
G R O U N D
4 ACCEPTANCE TESTS
VA
V B
V C
IAS
IBS
ICS
INS
TEST TRIP
TEST PICKUP
RATED DC
VOLTAGE
GE Power Management
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