GE G30 Instruction Manual
Also see for G30: Communications manualCommunications guideInstruction manualInstruction manualInstruction manual
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Contents
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vi G30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUALTABLE OF CONTENTS5.5.6 Disconnect switch control .......................................................................................... 5-1635.5.7 FlexCurves .......................................................................................................................... 5-1685.6 FlexLogic.............................................................................................................. 5-1755.6.1 FlexLogic operands........................................................................................................ 5-1755.6.2 FlexLogic rules.................................................................................................................. 5-1885.6.3 FlexLogic evaluation...................................................................................................... 5-1885.6.4 FlexLogic example.......................................................................................................... 5-1895.6.5 FlexLogic equation editor............................................................................................ 5-1945.6.6 FlexLogic timers............................................................................................................... 5-1945.6.7 FlexElements ..................................................................................................................... 5-1945.6.8 Non-volatile latches....................................................................................................... 5-1985.7 Grouped elements ............................................................................................. 5-1995.7.1 Overview ............................................................................................................................. 5-1995.7.2 Setting group 1................................................................................................................. 5-2005.7.3 Transformer....................................................................................................................... 5-2005.7.4 Phase current ................................................................................................................... 5-2085.7.5 Neutral current................................................................................................................. 5-2205.7.6 Ground current ................................................................................................................ 5-2285.7.7 Negative sequence current........................................................................................ 5-2355.7.8 Generator unbalance (ANSI 46)................................................................................ 5-2395.7.9 Split phase protection (ANSI 50SP).......................................................................... 5-2415.7.10 Voltage elements ............................................................................................................ 5-2455.7.11 Loss of excitation (ANSI 40) ........................................................................................ 5-2575.7.12 Accidental energization (ANSI 50/27) .................................................................... 5-2595.7.13 Sensitive directional power (ANSI 32) .................................................................... 5-2615.7.14 Stator ground.................................................................................................................... 5-2645.8 Control elements ............................................................................................... 5-2665.8.1 Overview ............................................................................................................................. 5-2665.8.2 Trip bus ................................................................................................................................ 5-2675.8.3 Setting groups .................................................................................................................. 5-2695.8.4 Selector switch................................................................................................................. 5-2705.8.5 Underfrequency (ANSI 81U)........................................................................................ 5-2775.8.6 Overfrequency (ANSI 81O) .......................................................................................... 5-2785.8.7 Frequency rate of change (ANSI 81R).................................................................... 5-2795.8.8 Frequency out-of-band accumulation ................................................................. 5-2815.8.9 Synchrocheck (ANSI 25) ............................................................................................... 5-2825.8.10 Digital elements............................................................................................................... 5-2885.8.11 Digital counters................................................................................................................ 5-2915.8.12 Monitoring elements ..................................................................................................... 5-2935.9 Inputs/outputs ................................................................................................... 5-3025.9.1 Contact inputs .................................................................................................................. 5-3025.9.2 Virtual inputs ..................................................................................................................... 5-3045.9.3 Contact outputs............................................................................................................... 5-3055.9.4 Virtual outputs.................................................................................................................. 5-3095.9.5 Resetting ............................................................................................................................. 5-3095.9.6 Direct inputs and outputs ........................................................................................... 5-3105.9.7 Teleprotection................................................................................................................... 5-3145.10 Transducer inputs/outputs.............................................................................. 5-3165.10.1 DCmA inputs...................................................................................................................... 5-3165.10.2 RTD inputs .......................................................................................................................... 5-3175.10.3 DCmA outputs .................................................................................................................. 5-3185.11 Testing ................................................................................................................. 5-3225.11.1 Test mode function ........................................................................................................ 5-3225.11.2 Test mode forcing........................................................................................................... 5-3225.11.3 Force contact inputs ..................................................................................................... 5-3235.11.4 Force contact outputs .................................................................................................. 5-323 |
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