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GE Power Management
LPS-D Line Protection System
5-
3
5 FUNCTIONAL TESTS (FACTORY SETTINGS)
5.2 MEASURING UNIT TESTS
5
5.2.2 T2 – IT TRIP SUPERVISION TEST
1.
Settings:
Z1DISTANCE
(104)
Z1GROUND = YES
CURSUPVIS
(501)
IT_PICKUP = 0.25 (0.05) amps
2.
Connect the relay as shown in Figure 4–3: PHASE TO GROUND TEST CONNECTIONS on page 4–14.
3.
Set the relay into test mode 34 (IT Detector). The LUI should display
IT DETECTOR ON
4.
Set the voltages as follows:
VA = 67 V rms
∠
0°
VB = 67 V rms
∠
–120°
VC = 67 V rms
∠
+120°.
5.
Set
I
op
to 0.40 (0.08) A rms and apply to the relay. The A1 contact should close. Lower
I
op
to 0.15 (0.03) A
rms, at which point the A1 contact should open.
6.
Reduce
I
op
to 0.
5.2.3 T3 – IB BLOCKING SUPERVISION TEST
1.
Setting:
CURSUPVIS
(502)
IB_PICKUP = 0.2 (0.04) amps
2.
Connect the relay as shown in Figure 4–3: PHASE TO GROUND TEST CONNECTIONS on page 4–14.
3.
Set the relay into test mode 35 (IB Detector). The LUI should display
IB DETECTOR ON
4.
Set the voltages as follows:
VA = 67 V rms
∠
0°
VB = 67 V rms
∠
–120°
VC = 67 V rms
∠
+120°
5.
Set
I
op
to 0.30 (0.06) A rms and apply to the relay. The A1 contact should close. Lower
I
op
to 0.10 (0.02) A
rms, at which point the A1 contact should open.
6.
Reduce
I
op
to 0.
Summary of Contents for LPS-D
Page 2: ......
Page 4: ......
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 ...