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4.2 GENERAL RELAY TESTS
3 PHASE, 4 WIRE
VOLTAGE SOURCE
PHASE SEQUENCE:
A, B, C
SINGLE PHASE
4
CURRENT SOURCE
CONTINUITY TESTER
Phase Under Test
AG
BG
CG
4-
14
VA
VA
VB
VB
VC
N
I
op
N
INPUT Y
Terminal Block #
C1
C3
C5
Figure 4–3: PHASE TO GROUND TEST CONNECTIONS
LPS-D Line Protection System
4 ACCEPTANCE/PERIODIC TESTS
C9
C10
C11
VC
C12
Y
C2
C4
C6
A9
A25
A1
+
RATED DC POWER
SUPPLY
48, 125, 230 V DC
A17
A2
A18
RELAY
UNDER
TEST
Y will be
connected to
IA, IB, or IC.
See the table
below.
Programmable
Contact A1
CASE GROUND
SURGE GROUND
GE Power Management
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