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5.2 MEASURING UNIT TESTS
3 PHASE, 4 WIRE
VOLTAGE SOURCE
PHASE SEQUENCE:
A, B, C
SINGLE PHASE
CURRENT SOURCE
5
CONTINUITY TESTER
Table 5–1:
PHASE
INPUT Y
UNDER TEST
TERMINAL BLOCK
NUMBER
AB
C1
BC
C3
CA
C5
5-6
VA
VA
VB
VB
VC
N
I
op
N
INPUT X
TERMINAL BLOCK
NUMBER
C3
C5
C1
Figure 5–1: PHASE-TO-PHASE TEST CONNECTIONS
ALPS Advanced Line Protection System
5 FUNCTIONAL TESTS (FACTORY SETTINGS)
C9
C10
C11
VC
C12
Y
X
C2
C4
C6
A9
A25
A1
+
RATED DC POWER
SUPPLY
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
CASE GROUND
SURGE GROUND
GE Power Management
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