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5 FUNCTIONAL TESTS (FACTORY SETTINGS)
3 PHASE, 4 WIRE
V O L T A G E S O U R C E
PHASE SEQUENCE:
A, B, C
SINGLE PHASE
C U R R E N T S O U R C E
CONTINUITY TESTER
Phase
INPUT Y
Under Test
Terminal Block
Number
AB
C1
BC
C3
CA
C5
GE Power Management
VA
VA
V B
V B
V C
N
I
op
N
INPUT X
Terminal Block
Number
C3
C5
C1
Figure 5–1: PHASE-TO-PHASE TEST CONNECTIONS
LPS-O Line Protection System
5.1 MEASURING UNIT TESTS
C 9
C10
C11
V C
C12
Y
X
C 2
C 4
C 6
A9
A25
A1
+
R A T E D D C P O W E R
S U P P L Y
48, 125, 230 V DC
A17
A2
A18
RELAY
UNDER
TEST
X and Y will be
connected to
produce a
phase-to-phase
fault. See the
table below.
Programmable
Contact A1
C A S E G R O U N D
S U R G E G R O U N D
5-
7
5
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