GE L30 Instruction Manual
Also see for L30: Communications manualCommunications guideInstruction manualInstruction manualInstruction manual
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Contents
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L30 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL iiiL30 Line Current Differential SystemTable of contents1 INTRODUCTION 1.1 Safety symbols and definitions ..................................................................... 1-11.1.1 General cautions and warnings .................................................................................... 1-11.2 For further assistance .................................................................................... 1-22 PRODUCTDESCRIPTION2.1 Product description......................................................................................... 2-12.1.1 Overview................................................................................................................................... 2-12.1.2 Features.................................................................................................................................... 2-32.2 Pilot channel relaying ..................................................................................... 2-52.2.1 Inter-relay communications............................................................................................ 2-52.2.2 Channel monitor ................................................................................................................... 2-72.2.3 Loopback test......................................................................................................................... 2-72.2.4 Direct transfer tripping ...................................................................................................... 2-82.3 Security.............................................................................................................. 2-82.4 Order codes .................................................................................................... 2-112.4.1 Order codes with enhanced CT/VT modules.........................................................2-122.4.2 Order codes with process bus modules ..................................................................2-172.4.3 Replacement modules .....................................................................................................2-222.5 Signal processing........................................................................................... 2-242.5.1 UR signal processing ........................................................................................................2-242.6 Specifications ................................................................................................. 2-262.6.1 Protection elements..........................................................................................................2-272.6.2 User-programmable elements ....................................................................................2-312.6.3 Monitoring..............................................................................................................................2-332.6.4 Metering..................................................................................................................................2-342.6.5 Inputs .......................................................................................................................................2-352.6.6 Power supply ........................................................................................................................2-362.6.7 Outputs....................................................................................................................................2-362.6.8 Communication protocols..............................................................................................2-392.6.9 Inter-relay communications..........................................................................................2-402.6.10 CyberSentry security.........................................................................................................2-412.6.11 Environmental......................................................................................................................2-412.6.12 Type tests ...............................................................................................................................2-422.6.13 Production tests ..................................................................................................................2-422.6.14 Approvals ...............................................................................................................................2-432.6.15 Maintenance.........................................................................................................................2-43 |
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