2-2 N60 Network Stability and Synchrophasor Measurement System GE Multilin2.1 INTRODUCTION 2 PRODUCT DESCRIPTION2Figure 2–1: SINGLE LINE DIAGRAMTable 2–1: ANSI DEVICE NUMBERS AND FUNCTIONSDEVICE FUNCTION DEVICE FUNCTION25 Synchrocheck 59P Phase overvoltage27P Phase undervoltage 68 Power swing blocking32 Sensitive directional power 81O Overfrequency49 Thermal overload protection 81R Rate of change of frequency50DD Disturbance detector 81U Underfrequency50P Phase instantaneous overcurrentTable 2–2: OTHER DEVICE FUNCTIONSFUNCTION FUNCTION FUNCTIONBreaker control FlexElements™ (16) Setting groups (6)Contact inputs (up to 96) FlexLogic™ equations SynchrophasorsContact outputs (up to 64) Generic comparator Teleprotection inputs and outputsControl pushbuttons Metering: current, demand, energy,frequency, power, powerfactor, voltageTime synchronization over SNTPData logger Transducer inputs and outputsDigital counters (8) IEC 61850 communications Trip outputDigital elements (48) IEC 61850 remote inputs and outputs(GSSE/GOOSE)User-definable displaysDigitizer User-programmable LEDsDirect analog inputs and outputs (32) Modbus communications User-programmable pushbuttonsDirect inputs and outputs (64) Modbus user map User-programmable self-testsDisconnect switches Non-volatile latches Virtual inputs (64)DNP 3.0 or IEC 60870-5-104 protocol Non-volatile selector switch Virtual outputs (96)Eight-bit switch Open pole detect VT fuse failureEvent recorder Oscillography847700A3.CDR52Same functions as breaker 1For breaker 150P 32 81U 81O 81R59P27P25Metering2 3 4 5Close TripTMFlexElement Transducer InputsDigitizerN60 Network Stability and Synchrophasor Measurement System50DD 49 68