GE D30 Instruction Manual
Also see for D30 series: Communications manualCommunications guideInstruction manualInstruction manualInstruction manual
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Contents
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GE Multilin D30 Line Distance Protection System ixTABLE OF CONTENTS8.1.2 PASSWORD SECURITY MENU ....................................................................... 8-28.1.3 LOCAL PASSWORDS ....................................................................................... 8-28.1.4 REMOTE PASSWORDS ................................................................................... 8-38.1.5 ACCESS SUPERVISION................................................................................... 8-38.1.6 DUAL PERMISSION SECURITY ACCESS ....................................................... 8-48.2 SETTINGS SECURITY8.2.1 SETTINGS TEMPLATES................................................................................... 8-68.2.2 SECURING AND LOCKING FLEXLOGIC™ EQUATIONS ............................. 8-108.2.3 SETTINGS FILE TRACEABILITY .................................................................... 8-128.3 ENERVISTA SECURITY MANAGEMENT SYSTEM8.3.1 OVERVIEW...................................................................................................... 8-158.3.2 ENABLING THE SECURITY MANAGEMENT SYSTEM ................................. 8-158.3.3 ADDING A NEW USER ................................................................................... 8-158.3.4 MODIFYING USER PRIVILEGES ................................................................... 8-169. THEORY OF OPERATION 9.1 DISTANCE ELEMENTS9.1.1 INTRODUCTION................................................................................................ 9-19.1.2 PHASOR ESTIMATION ..................................................................................... 9-19.1.3 DISTANCE CHARACTERISTICS ...................................................................... 9-29.1.4 MEMORY POLARIZATION................................................................................ 9-69.1.5 DISTANCE ELEMENTS ANALYSIS .................................................................. 9-79.2 PHASE DISTANCE APPLIED TO POWER TRANSFORMERS9.2.1 DESCRIPTION................................................................................................. 9-119.2.2 EXAMPLE ........................................................................................................ 9-149.3 GROUND DIRECTIONAL OVERCURRENT9.3.1 DESCRIPTION................................................................................................. 9-169.3.2 EXAMPLE ........................................................................................................ 9-169.4 SERIES COMPENSATED LINES9.4.1 DESCRIPTION................................................................................................. 9-189.5 FAULT LOCATOR9.5.1 FAULT TYPE DETERMINATION..................................................................... 9-2110. APPLICATION OFSETTINGS10.1 APPLICATION GUIDELINES10.1.1 INTRODUCTION.............................................................................................. 10-110.1.2 IMPACT OF MEMORY POLARIZATION ......................................................... 10-110.1.3 HIGH SET OVERCURRENT ELEMENTS ....................................................... 10-110.2 DISTANCE ELEMENTS (STEPPED DISTANCE SCHEME)10.2.1 PHASE DISTANCE.......................................................................................... 10-210.2.2 GROUND DISTANCE ...................................................................................... 10-310.3 SERIES COMPENSATED LINES10.3.1 INTRODUCTION.............................................................................................. 10-510.3.2 DISTANCE ....................................................................................................... 10-510.3.3 GROUND DIRECTIONAL OVERCURRENT ................................................... 10-610.3.4 HIGH-SET PHASE OVERCURRENT .............................................................. 10-610.4 PHASE DISTANCE THROUGH POWER TRANSFORMERS10.4.1 PHASE DISTANCE PROTECTION ................................................................. 10-710.4.2 EXAMPLE ........................................................................................................ 10-8A. FLEXANALOG ANDFLEXINTEGERPARAMETERSA.1 PARAMETER LISTSA.1.1 FLEXANALOG ITEMS .......................................................................................A-1A.1.2 FLEXINTEGER ITEMS ......................................................................................A-7 |
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