GE ALPS - Page 169

GE Power Management
ALPS Advanced Line Protection System 5-7
5 FUNCTIONAL TESTS (FACTORY SETTINGS) 5.2 MEASURING UNIT TESTS
5
Figure 5–2: GROUND 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
C1
C2
C4
C6
C9
A18
A2
N
I
op
N
VC
VB
VA
VA
VB
VC
+
CASE GROUND
SURGE GROUND
Programmable
Contact A1
RELAY
UNDER
TEST
A1
A17
PRECISION TIMER
START
STOP