GE D30 Instruction Manual page 9

9. APPLICATION OF
SETTINGS
10. MAINTENANCE
A. FLEXANALOG AND
FLEXINTEGER
PARAMETERS
GE Multilin
TABLE OF CONTENTS
8.1.2 PHASOR ESTIMATION ..................................................................................... 8-1
8.1.3 DISTANCE CHARACTERISTICS ...................................................................... 8-2
8.1.4 FAST DISTANCE ALGORITHM ........................................................................ 8-6
8.1.5 MEMORY POLARIZATION................................................................................ 8-7
8.1.6 DISTANCE ELEMENTS ANALYSIS .................................................................. 8-8
8.2 PHASE DISTANCE APPLIED TO POWER TRANSFORMERS
8.2.1 DESCRIPTION................................................................................................. 8-11
8.2.2 EXAMPLE ........................................................................................................ 8-14
8.3 GROUND DIRECTIONAL OVERCURRENT
8.3.1 DESCRIPTION................................................................................................. 8-16
8.3.2 EXAMPLE ........................................................................................................ 8-16
8.4 SERIES COMPENSATED LINES
8.4.1 DESCRIPTION................................................................................................. 8-18
8.5 FAULT LOCATOR
8.5.1 FAULT TYPE DETERMINATION..................................................................... 8-21
9.1 APPLICATION GUIDELINES
9.1.1 INTRODUCTION................................................................................................ 9-1
9.1.2 IMPACT OF MEMORY POLARIZATION ........................................................... 9-1
9.1.3 HIGH SET OVERCURRENT ELEMENTS ......................................................... 9-1
9.2 DISTANCE ELEMENTS (STEPPED DISTANCE SCHEME)
9.2.1 PHASE DISTANCE............................................................................................ 9-2
9.2.2 GROUND DISTANCE ........................................................................................ 9-3
9.3 SERIES COMPENSATED LINES
9.3.1 INTRODUCTION................................................................................................ 9-6
9.3.2 DISTANCE ......................................................................................................... 9-6
9.3.3 GROUND DIRECTIONAL OVERCURRENT ..................................................... 9-7
9.3.4 HIGH-SET PHASE OVERCURRENT ................................................................ 9-7
9.4 PHASE DISTANCE THROUGH POWER TRANSFORMERS
9.4.1 PHASE DISTANCE PROTECTION ................................................................... 9-8
9.4.2 EXAMPLE .......................................................................................................... 9-9
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.1 PARAMETER LISTS
A.1.1 FLEXANALOG ITEMS .......................................................................................A-1
A.1.2 FLEXINTEGER ITEMS ......................................................................................A-9
D30 Line Distance Protection System ix