GE Multilin
L60 Line Phase Comparison System
ix
TABLE OF CONTENTS
FUNDAMENTAL PRINCIPLE OF PHASE COMPARISON ............................... 8-1
VARIATIONS IN PHASE COMPARISON SCHEMES ....................................... 8-6
PHASE COMPARISON EXCITATION ............................................................... 8-6
BLOCKING VS. TRIPPING SCHEMES ........................................................... 8-10
SINGLE VS. DUAL PHASE COMPARISON .................................................... 8-18
REFINEMENTS TO BASIC SCHEMES ........................................................... 8-20
CHARGING CURRENT COMPENSATION ..................................................... 8-23
FAULT TYPE DETERMINATION..................................................................... 8-37
9.1 PHASE COMPARISON ELEMENT 87PC
9.2 DISTANCE BACKUP/SUPERVISION
LINES WITH TAPPED TRANSFORMERS ........................................................ 9-5
TRANSFORMER LOAD CURRENTS................................................................ 9-5
TRANSFORMER INRUSH CURRENT .............................................................. 9-5
SINGLE-POLE TRIPPING APPLICATIONS ...................................................... 9-8
9.5 UNDERSTANDING L60 OSCILLOGRAPHY
TWO BREAKER CONFIGURATION ............................................................... 9-14
FLEXANALOG PARAMETERS .........................................................................A-1
SUPPORTED FUNCTION CODES ...................................................................B-3
READ ACTUAL VALUES OR SETTINGS (FUNCTION CODE 03/04H) ...........B-3
EXECUTE OPERATION (FUNCTION CODE 05H) ...........................................B-4
STORE SINGLE SETTING (FUNCTION CODE 06H) .......................................B-4
STORE MULTIPLE SETTINGS (FUNCTION CODE 10H) ................................B-5
Summary of Contents for UR series
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Page 12: ...xii L60 Line Phase Comparison System GE Multilin TABLE OF CONTENTS ...
Page 32: ...1 20 L60 Line Phase Comparison System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 54: ...2 22 L60 Line Phase Comparison System GE Multilin 2 2 SPECIFICATIONS 2 PRODUCT DESCRIPTION 2 ...
Page 438: ...7 8 L60 Line Phase Comparison System GE Multilin 7 2 TARGETS 7 COMMANDS AND TARGETS 7 ...
Page 478: ...8 40 L60 Line Phase Comparison System GE Multilin 8 3 FAULT LOCATOR 8 THEORY OF OPERATION 8 ...
Page 502: ...A 10 L60 Line Phase Comparison System GE Multilin A 1 PARAMETER LIST APPENDIXA A ...
Page 584: ...B 82 L60 Line Phase Comparison System GE Multilin B 4 MEMORY MAPPING APPENDIXB B ...
Page 622: ...D 10 L60 Line Phase Comparison System GE Multilin D 1 PROTOCOL APPENDIXD D ...
Page 634: ...E 12 L60 Line Phase Comparison System GE Multilin E 2 DNP POINT LISTS APPENDIXE E ...
Page 642: ...F 8 L60 Line Phase Comparison System GE Multilin F 3 WARRANTY APPENDIXF F ...