GE LPS-O - Page 7

GE Power Management LPS-O Line Protection System
iii
TABLE OF CONTENTS
3.2.4 EXTERNAL CONNECTIONS .................................................................... 3-7
3.2.5 SURGE GROUND CONNECTIONS.......................................................... 3-7
3.3 PRINTED CIRCUIT BOARD MODULES
3.3.1 WARNING.................................................................................................. 3-8
3.3.2 BASIC CONSTRUCTION.......................................................................... 3-8
3.3.3 MODULE IDENTIFICATION...................................................................... 3-8
3.3.4 LOCAL USER INTERFACE (LUI).............................................................. 3-8
3.3.5 INPUT BOARD .......................................................................................... 3-8
3.3.6 MAGNETICS MODULE........................................................................... 3-10
3.3.7 COMMUNICATIONS INTERFACE.......................................................... 3-11
3.3.8 DIGITAL OUTPUT / POWER SUPPLY BOARD...................................... 3-12
3.3.9 DSP / ANI / COMM / LUI.......................................................................... 3-13
3.3.10 960 CPU BOARD..................................................................................... 3-14
4. ACCEPTANCE/PERIODIC
TESTS
4.1 OVERVIEW
4.1.1 INTRODUCTION ....................................................................................... 4-1
4.1.2 TEST EQUIPMENT ................................................................................... 4-1
4.1.3 DRAWINGS AND REFERENCES............................................................. 4-1
4.1.4 EQUIPMENT GROUNDING ...................................................................... 4-2
4.1.5 REQUIRED SETTINGS............................................................................. 4-2
4.1.6 GENERAL INSTRUCTIONS...................................................................... 4-2
4.1.7 SETTING CHANGES................................................................................. 4-3
4.1.8 ENTERING TEST MODE .......................................................................... 4-4
4.1.9 USING COMMUNICATIONS (OPTIONAL) ............................................... 4-5
a HARDWARE SETUP................................................................................. 4-6
b PC SOFTWARE SETUP............................................................................ 4-6
c LOAD & START LPSO-LINK ..................................................................... 4-6
d SET LOCAL PC CONFIGURATION.......................................................... 4-6
e CREATE TEST UNIT DESCRIPTION ....................................................... 4-6
f RELAY SETUP.......................................................................................... 4-7
g
LOGGING INTO THE RELAY.................................................................... 4-7
h SETTING CHANGES................................................................................. 4-7
i ENTERING TEST MODE .......................................................................... 4-8
j EXITING TEST MODE............................................................................... 4-8
k INITIAL TEST SETUP................................................................................ 4-8
4.2 GENERAL RELAY TESTS
4.2.1 T1 – RELAY STATUS AND DISPLAY TESTING ...................................... 4-9
a STATUS CHECK ....................................................................................... 4-9
b DISPLAY AND KEYPAD TESTS............................................................... 4-9
4.2.2 T2 – DIGITAL OUTPUT TEST................................................................. 4-10
4.2.3 T3 – CONFIGURABLE INPUT TEST ...................................................... 4-13
4.2.4 T4 – AC SYSTEM INPUT TEST.............................................................. 4-14
5. FUNCTIONAL TESTS
(FACTORY SETTINGS)
5.1 MEASURING UNIT TESTS
5.1.1 DESCRIPTION .......................................................................................... 5-1
a MEASURING UNIT TESTS....................................................................... 5-1
b ZONE PHASE REACH & TIMERS TESTS................................................ 5-1
c OUT OF STEP TESTS .............................................................................. 5-1
5.1.2 T1 – FAULT DETECTOR TEST ................................................................ 5-2
5.1.3 T2 – IT TRIP SUPERVISION TEST........................................................... 5-2
5.1.4 T3 – IB BLOCKING SUPERVISION TEST................................................ 5-3
5.1.5 T4 – GROUND DIRECTIONAL TRIP TEST .............................................. 5-3
5.1.6 T5 – GROUND DIRECTIONAL BLOCK TEST.......................................... 5-4
5.1.7 T6 – PHASE INSTANTANEOUS OVERCURRENT TEST........................ 5-4