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5 FUNCTIONAL TESTS (FACTORY SETTINGS)
5 FUNCTIONAL TESTS (FACTORY SETTINGS) 5.1 TEST SUMMARY
a) MEASURING UNIT TESTS
•
T1 – FD Fault Detector Test
•
T2 – IT Trip Supervision Test
•
T3 – IB Blocking Supervision Test
•
T4 – Ground Directional Trip Test, IPT & NT
•
T5 – Ground Directional Block Test, IPB & NB
•
T6 – Phase Instantaneous Overcurrent Test
•
T7 – Ground Instantaneous Overcurrent Test
•
T8 – Ground Time Overcurrent Test
•
T9 – Undervoltage Test
•
T10 – Overvoltage Test
b) ZONE REACH AND TIMER TESTS
•
T11 – Zone 1 Ground Reach, M1G Ground Faults Test
•
T12 – Zone 2 Ground Reach, MTG Ground Faults Test
•
T13 – Zone 3 Ground Reach, M3G Ground Faults Test
•
T14 – Zone 4 Ground Reach, M4G Ground Faults Test
•
T15 – Ground (Zone Backup) Timer Tests
c) PHASE-TO-PHASE ZONE REACH TESTING
•
T16 – Zone 1 Phase Reach Test
•
T17 – Zone 2 Phase Reach Test
•
T18 – Zone 3 Phase Reach Test
•
T19 – Zone 4 Phase Reach Test
•
T20 – Phase (Zone Backup) Timer Tests
•
T21 – Out-of-step Reach Test
Refer to Section 4.1: OVERVIEW on page 4–1 for information on beginning functional tests.
Contact A1 will chatter when the unit under test is near the threshold. Do not allow this to con-
tinue! Remove the test current. A single contact closure is enough to determine that the unit
picked up.
CAUTION
Before starting to test the LPS-D relay, download all the relay settings to your PC using the
ALPS-Link program
CAUTION
GE Power Management
LPS-D Line Protection System
5.1 TEST SUMMARY
5.1.1 DESCRIPTION
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