GE LPS-D Instruction Manual page 6

2. CALCULATION OF
SETTINGS
ii
TABLE OF CONTENTS
1.8.2 STEP DISTANCE .................................................................................... 1-26
1.8.3 PERMISSIVE UNDERREACH TRANSFER TRIP (PUTT) ...................... 1-28
1.8.4 PERMISSIVE OVERREACH TRANSFER TRIP (POTT1)....................... 1-30
1.8.5 PERMISSIVE OVERREACH TRANSFER TRIP WITH BLOCKING
FUNCTIONS (POTT2) ............................................................................. 1-30
1.8.6 BLOCKING SCHEME .............................................................................. 1-33
1.8.7 HYBRID SCHEME ................................................................................... 1-36
1.8.8 OUT-OF-STEP OSCILLOGRAPHY CAPTURE....................................... 1-38
1.9 SINGLE PHASE TRIPPING
1.9.1 PHASE SELECTION ............................................................................... 1-39
1.9.2 OPEN POLE DETERMINATION ............................................................. 1-40
1.9.3 OPEN POLE OPERATION ...................................................................... 1-41
1.9.4 RECLOSE CONTROL ............................................................................. 1-41
1.10 RECLOSER (OPTIONAL)
1.10.1 DESCRIPTION ........................................................................................ 1-42
1.10.2 RECLOSING MODE ................................................................................ 1-42
1.10.3 RECLOSING PROGRAMS ...................................................................... 1-42
1.10.4 RECLOSER INPUTS ............................................................................... 1-43
a BREAKER STATUS................................................................................. 1-43
b SINGLE POLE RECLOSE INITIATE (1PRI) ............................................ 1-43
c THREE POLE RECLOSE INITIATE (3PRI) ............................................. 1-43
d HOLD ....................................................................................................... 1-44
e RECLOSE CANCEL ................................................................................ 1-44
f LOCKOUT................................................................................................ 1-44
g RESET ..................................................................................................... 1-44
1.10.5 RECLOSER OUTPUTS ........................................................................... 1-44
a CLOSE ..................................................................................................... 1-44
b THREE POLE TRIP ENABLE .................................................................. 1-45
c RECLOSE IN PROGRESS (RIP) ............................................................ 1-45
d LOCKOUT................................................................................................ 1-45
1.10.6 SYNCHRONISM CHECK (OPTIONAL) ................................................... 1-45
1.10.7 LPS-D RECLOSING PROGRAM SUMMARY ......................................... 1-46
1.11 ELEMENTARY DIAGRAMS
2.1 INTRODUCTION
2.1.1 DESCRIPTION .......................................................................................... 2-1
a GENERAL SETTINGS CATEGORIES ...................................................... 2-1
b PROTECTION SETTINGS CATEGORIES ................................................ 2-1
2.2 GENERAL SETTINGS
2.2.1 CONFIGURATION ..................................................................................... 2-3
101: UNITID - Unit ID Number ........................................................................ 2-3
102: SYSFREQ - System Frequency.............................................................. 2-3
103: PHASRROTATE - Phase Rotation ......................................................... 2-3
104: TIMESYNCH - Select Time Synchronization .......................................... 2-3
105: NUM_BKR - Number of Breakers ........................................................... 2-3
106: NUM_TC - Number of Trip Circuits......................................................... 2-3
107: NUM_MON - Trip Outputs To Be Monitored........................................... 2-4
108: DISPLAYVAL - Present Value Display Mode ......................................... 2-5
109: LANGUAGE ............................................................................................ 2-5
110: SYSTEM INPUTS - Virtual Inputs........................................................... 2-5
2.2.2 COMMUNICATIONS ................................................................................. 2-6
201: COMPORT1 - Communications Port 1 ................................................... 2-6
202: COMPORT2 - Communications Port 2 ................................................... 2-6
203: COMPORT3 - Communications Port 3 ................................................... 2-6
204: PROTOCOL1 - Communication Port No. 1 Protocol .............................. 2-6
205: PROTOCOL2 - Communication Port No. 2 Protocol .............................. 2-6
206: PROTOCOL3 - Communication Port No. 3 Protocol .............................. 2-6
LPS-D Line Protection System
GE Power Management