GE F60 Instruction Manual

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Contents

GE F60 Instruction Manual Manual pdf 6 page image

vi F60 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUALTABLE OF CONTENTS5.5.6 FlexCurves .......................................................................................................................... 5-1605.5.7 Phasor Measurement Unit.......................................................................................... 5-1675.6 FlexLogic.............................................................................................................. 5-1875.6.1 FlexLogic operands........................................................................................................ 5-1875.6.2 FlexLogic rules.................................................................................................................. 5-2015.6.3 FlexLogic evaluation...................................................................................................... 5-2025.6.4 FlexLogic example.......................................................................................................... 5-2025.6.5 FlexLogic equation editor............................................................................................ 5-2075.6.6 FlexLogic timers............................................................................................................... 5-2075.6.7 FlexElements ..................................................................................................................... 5-2075.6.8 Non-volatile latches....................................................................................................... 5-2125.7 Grouped elements ............................................................................................. 5-2135.7.1 Overview ............................................................................................................................. 5-2135.7.2 Setting group 1................................................................................................................. 5-2135.7.3 Load encroachment ...................................................................................................... 5-2145.7.4 Phase current ................................................................................................................... 5-2165.7.5 Neutral current................................................................................................................. 5-2285.7.6 Wattmetric ground fault.............................................................................................. 5-2365.7.7 Ground current ................................................................................................................ 5-2405.7.8 Negative sequence current........................................................................................ 5-2475.7.9 Breaker failure (ANSI 50BF)......................................................................................... 5-2535.7.10 Voltage elements ............................................................................................................ 5-2635.7.11 Sensitive directional power (ANSI 32) .................................................................... 5-2705.8 Control elements ............................................................................................... 5-2735.8.1 Overview ............................................................................................................................. 5-2735.8.2 Trip bus ................................................................................................................................ 5-2735.8.3 Setting groups .................................................................................................................. 5-2755.8.4 Selector switch................................................................................................................. 5-2775.8.5 Underfrequency (ANSI 81U)........................................................................................ 5-2835.8.6 Overfrequency (ANSI 81O) .......................................................................................... 5-2845.8.7 Frequency rate of change (ANSI 81R).................................................................... 5-2855.8.8 Synchrocheck (ANSI 25) ............................................................................................... 5-2875.8.9 Autoreclose (ANSI 79) .................................................................................................... 5-2925.8.10 Digital elements............................................................................................................... 5-2985.8.11 Digital counters................................................................................................................ 5-3015.9 Monitoring elements......................................................................................... 5-3035.9.1 Cold load pickup.............................................................................................................. 5-3325.9.2 Pilot schemes.................................................................................................................... 5-3335.10 Inputs/outputs ................................................................................................... 5-3385.10.1 Contact inputs .................................................................................................................. 5-3385.10.2 Virtual inputs ..................................................................................................................... 5-3405.10.3 Contact outputs............................................................................................................... 5-3415.10.4 Virtual outputs.................................................................................................................. 5-3455.10.5 Resetting ............................................................................................................................. 5-3455.10.6 Direct inputs and outputs ........................................................................................... 5-3465.10.7 Teleprotection................................................................................................................... 5-3505.11 Transducer inputs/outputs.............................................................................. 5-3515.11.1 DCmA inputs...................................................................................................................... 5-3515.11.2 RTD inputs .......................................................................................................................... 5-3525.11.3 DCmA outputs .................................................................................................................. 5-3535.12 Testing ................................................................................................................. 5-3575.12.1 Test mode function ........................................................................................................ 5-3575.12.2 Test mode forcing........................................................................................................... 5-3585.12.3 Phasor Measurement Unit test values.................................................................. 5-3585.12.4 Force contact inputs ..................................................................................................... 5-3595.12.5 Force contact outputs .................................................................................................. 5-360