GE Multilin F60 Feeder Protection System viiTABLE OF CONTENTS7. COMMANDS ANDTARGETS7.1 COMMANDS7.1.1 COMMANDS MENU .......................................................................................... 7-17.1.2 VIRTUAL INPUTS.............................................................................................. 7-17.1.3 CLEAR RECORDS ............................................................................................ 7-27.1.4 SET DATE AND TIME ....................................................................................... 7-27.1.5 RELAY MAINTENANCE .................................................................................... 7-37.1.6 PHASOR MEASUREMENT UNIT ONE-SHOT.................................................. 7-47.1.7 SECURITY ......................................................................................................... 7-57.1.8 TARGETS MENU............................................................................................... 7-67.1.9 TARGET MESSAGES ....................................................................................... 7-67.1.10 RELAY SELF-TESTS......................................................................................... 7-68. THEORY OF OPERATION 8.1 HIGH-IMPEDANCE (HI-Z) FAULT DETECTION8.1.1 DESCRIPTION................................................................................................... 8-18.1.2 ENERGY ALGORITHM...................................................................................... 8-18.1.3 RANDOMNESS ALGORITHM ........................................................................... 8-28.1.4 EXPERT ARC DETECTOR ALGORITHM ......................................................... 8-28.1.5 SPECTRAL ANALYSIS ALGORITHM ............................................................... 8-28.1.6 LOAD EVENT DETECTOR ALGORITHM ......................................................... 8-28.1.7 LOAD ANALYSIS ALGORITHM ........................................................................ 8-38.1.8 LOAD EXTRACTION ALGORITHM................................................................... 8-38.1.9 ARC BURST PATTERN ANALYSIS ALGORITHM............................................ 8-38.1.10 ARCING SUSPECTED ALGORITHM................................................................ 8-38.1.11 OVERCURRENT DISTURBANCE MONITORING ............................................ 8-38.1.12 HI-Z EVEN HARMONIC RESTRAINT ALGORITHM ......................................... 8-38.1.13 HI-Z VOLTAGE SUPERVISION ALGORITHM .................................................. 8-48.2 FAULT LOCATOR8.2.1 FAULT TYPE DETERMINATION....................................................................... 8-59. COMMISSIONING 9.1 TESTING9.1.1 TESTING UNDERFREQUENCY AND OVERFREQUENCY ELEMENTS......... 9-110. MAINTENANCE 10.1 MODULES10.1.1 REPLACE A MODULE..................................................................................... 10-110.2 BATTERIES10.2.1 REPLACE BATTERY....................................................................................... 10-310.2.2 DISPOSE OF BATTERY.................................................................................. 10-510.3 UNINSTALL AND CLEAR FILES AND DATA10.3.1 UNINSTALL AND CLEAR FILES AND DATA.................................................. 10-810.4 REPAIRS10.4.1 REPAIRS ......................................................................................................... 10-910.5 STORAGE10.5.1 STORAGE...................................................................................................... 10-1010.6 DISPOSAL10.6.1 DISPOSAL ..................................................................................................... 10-11A. FLEXANALOG ANDFLEXINTEGERPARAMETERSA.1 PARAMETER LISTSA.1.1 FLEXANALOG ITEMS .......................................................................................A-1A.1.2 FLEXINTEGER ITEMS ....................................................................................A-22
