GE LPS-O Instruction Manual page 160

6.3 ZONE REACH TESTS
4. Calculate V
NOM
tions 6–6 and 6–7 for V
each value.
V
= [________] Volts rms
NOM 1
V
= [________] Volts rms
NOM 2
V = [________] Volts rms
NOM 3
V = [________] Volts rms
NOM 4
Zone 4 is reverse looking, so remember to add 180° to both the test current angle ∠ I
impedance angle ∠ Z
V
.
NOM 4
5. Record V , I
NOM n
6. Before doing any of the reach tests make the following protection setting changes:
OVERCURRNT
(601) 50 =
(605) 50G = NO
(610) 51G = NO
LINEPICKUP
(801) LINEPICKUP = NO
LINE INFO
(1204) TRSFMRTYPE = None
OS BLOCKING
6
(1303) BLOCKWHAT = 3 (BLKNONE)
1. Protection Settings:
Z1DISTANCE
(101) Z1PHASE = YES
Z1PHREACH = [________] Ω
(102)
(104) Z1P_TIME = 0.0 sec.
Z2DISTANCE
(201) Z2PHASE = NO
Z3DISTANCE
(301) Z3PHASE = NO
Z4DISTANCE
(401) Z4PHASE = NO
2. Record the following values:
V = [________] V
NOM 1
6-
10
for each zone by substituting the values of Z
according to zone. Alternately, ALPS-Test software can be used to calculate
NOM
(nominal test voltage for Z1PHREACH)
(nominal test voltage for Z2PHREACH)
(nominal test voltage for Z3PHREACH)
(nominal test voltage for Z4PHREACH)
. If Zone 4 has a nonzero offset, use the ALPS-Test software to calculate
4
, and ∠ I
in the space provided in the appropriate Zone reach test.
T
n
NO
LPS-O Line Protection System
6 FUNCTIONAL TESTS (USER SETTINGS)
, ∠ Z , POSSEQANG, I
R
6.3.4 T11 – ZONE 1 PHASE REACH TEST
GE Power Management
, and ∠ I into Equa-
T
and the
4