GE Power Management
LPS-D Line Protection System
5-
23
5 FUNCTIONAL TESTS (FACTORY SETTINGS)
5.4 PHASE-TO-PHASE ZONE REACH TESTING
5
Figure 5–3: PHASE-REACH TIMER TEST CONNECTIONS
3 PHASE, 4 WIRE
VOLTAGE SOURCE
PHASE SEQUENCE:
A, B, C
SINGLE PHASE
CURRENT SOURCE
RATED DC POWER
SUPPLY
48, 125, 230 V DC
A25
A9
C10
C11
C12
X
Y
C4
C6
C9
A18
A2
N
I
o p
N
VC
VB
VA
VA
VB
VC
+
CASE GROUND
SURGE GROUND
Programmable
Contact A1
RELAY
U N D E R
TEST
S T A R T
STOP
A1
A17
C2
PRECISION TIMER
STOP
S T A R T
X and Y are connected
to produce a phase-to-
phase fault. See the
Table below.
Phase
under test
INPUT Y
(terminal
block number)
INPUT X
(terminal
block number)
AB
C1
C3
BC
C3
C5
CA
C5
C1
Summary of Contents for LPS-D
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Page 226: ...7 4 LPS D Line Protection System GE Power Management 7 1 RATINGS 7 SPECIFICATIONS 7 ...
Page 284: ...10 20 LPS D Line Protection System GE Power Management 10 8 HELP MENU 10 ALPS TEST PROGRAM 10 ...
Page 412: ...C 34 LPS D Line Protection System GE Power Management C 3 POINT LISTS APPENDIXC C ...
Page 416: ...D 4 LPS D Line Protection System GE Power Management D 1 KEYPAD MENUS APPENDIXD D ...
Page 422: ...F 2 LPS D Line Protection System GE Power Management F 1 WARRANTY INFORMATION APPENDIXF F ...
Page 436: ...xiv LPS D Line Protection System GE Power Management INDEX INDEX ...