GE LPS-O Instruction Manual page 147

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
START START
PRECISION TIMER
Phase INPUT Y
under test (terminal
block number)
AB C1
BC C3
CA C5
Figure 5–3: PHASE-REACH TIMER TEST CONNECTIONS
GE Power Management
VA
VA
V B
V B
V C
N
I
op
N
INPUT X
(terminal
block number)
C3
C5
C1
LPS-O Line Protection System
5.3 PHASE-TO-PHASE ZONE REACH TESTING
C 9
C10
C11
V C
C12
X
Y
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 are 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-
19
5