GE F60 - Page 7

GE Multilin F60 Feeder Protection System vii
TABLE OF CONTENTS
7. COMMANDS AND
TARGETS
7.1 COMMANDS
7.1.1 COMMANDS MENU .......................................................................................... 7-1
7.1.2 VIRTUAL INPUTS.............................................................................................. 7-1
7.1.3 CLEAR RECORDS ............................................................................................ 7-2
7.1.4 SET DATE AND TIME ....................................................................................... 7-2
7.1.5 RELAY MAINTENANCE .................................................................................... 7-3
7.1.6 PHASOR MEASUREMENT UNIT ONE-SHOT.................................................. 7-4
7.1.7 SECURITY ......................................................................................................... 7-5
7.1.8 TARGETS MENU............................................................................................... 7-6
7.1.9 TARGET MESSAGES ....................................................................................... 7-6
7.1.10 RELAY SELF-TESTS......................................................................................... 7-6
8. THEORY OF OPERATION 8.1 HIGH-IMPEDANCE (HI-Z) FAULT DETECTION
8.1.1 DESCRIPTION................................................................................................... 8-1
8.1.2 ENERGY ALGORITHM...................................................................................... 8-1
8.1.3 RANDOMNESS ALGORITHM........................................................................... 8-2
8.1.4 EXPERT ARC DETECTOR ALGORITHM......................................................... 8-2
8.1.5 SPECTRAL ANALYSIS ALGORITHM ............................................................... 8-2
8.1.6 LOAD EVENT DETECTOR ALGORITHM ......................................................... 8-2
8.1.7 LOAD ANALYSIS ALGORITHM ........................................................................ 8-3
8.1.8 LOAD EXTRACTION ALGORITHM................................................................... 8-3
8.1.9 ARC BURST PATTERN ANALYSIS ALGORITHM............................................ 8-3
8.1.10 ARCING SUSPECTED ALGORITHM................................................................ 8-3
8.1.11 OVERCURRENT DISTURBANCE MONITORING ............................................ 8-3
8.1.12 HI-Z EVEN HARMONIC RESTRAINT ALGORITHM ......................................... 8-3
8.1.13 HI-Z VOLTAGE SUPERVISION ALGORITHM .................................................. 8-4
8.2 FAULT LOCATOR
8.2.1 FAULT TYPE DETERMINATION....................................................................... 8-5
9. COMMISSIONING 9.1 TESTING
9.1.1 TESTING UNDERFREQUENCY AND OVERFREQUENCY ELEMENTS......... 9-1
10. MAINTENANCE 10.1 MODULES
10.1.1 REPLACE A MODULE..................................................................................... 10-1
10.2 BATTERIES
10.2.1 REPLACE BATTERY....................................................................................... 10-3
10.2.2 DISPOSE OF BATTERY.................................................................................. 10-5
10.3 UNINSTALL AND CLEAR FILES AND DATA
10.3.1 UNINSTALL AND CLEAR FILES AND DATA.................................................. 10-8
10.4 REPAIRS
10.4.1 REPAIRS ......................................................................................................... 10-9
10.5 STORAGE
10.5.1 STORAGE...................................................................................................... 10-10
10.6 DISPOSAL
10.6.1 DISPOSAL ..................................................................................................... 10-11
A. FLEXANALOG AND
FLEXINTEGER
PARAMETERS
A.1 PARAMETER LISTS
A.1.1 FLEXANALOG ITEMS .......................................................................................A-1
A.1.2 FLEXINTEGER ITEMS ....................................................................................A-22