ABBREVIATIONST60 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL iiiRCA Reach Characteristic AngleREF ReferenceREM RemoteREV ReverseR-GOOSE Routable GOOSERI Reclose InitiateRIP Reclose In ProgressRGT BLD Right BlinderRMA Return Materials AuthorizationRMS Root Mean SquareROCOF Rate of Change of FrequencyROD Remote Open DetectorRRTD Remote Resistance Temperature DetectorRST ResetRSTR RestrainedRTD Resistance Temperature DetectorRTU Remote Terminal UnitRX (Rx) Receive, Receivers secondS SensitiveSAT CT SaturationSBO Select Before OperateSCADA Supervisory Control and Data AcquisitionSCC Serial Communication ControllerSCD System Configuration DescriptionSCL Substation Configuration LanguageSEC SecondarySEL Select / Selector / SelectionSENS SensitiveSEQ SequenceSFTP Secure Shell (SSH) File Transfer Protocol, SecureFile Transfer ProtocolSIR Source Impedance RatioSNTP Simple Network Time ProtocolSRC SourceSSB Single Side BandSSEL Session SelectorSTATS StatisticsSUPN SupervisionSUPV Supervise / SupervisionSV Supervision, ServiceSYNC SynchrocheckSYNCHCHK SynchrocheckT Time, transformerTC Thermal CapacityTCP Transmission Control ProtocolTCU Thermal Capacity UsedTD MULT Time Dial MultiplierTEMP TemperatureTFTP Trivial File Transfer ProtocolTHD Total Harmonic DistortionTMR TimerTOC Time OvercurrentTOV Time OvervoltageTRANS TransientTRANSF TransferTSEL Transport SelectorTUC Time UndercurrentTUV Time UndervoltageTX (Tx) Transmit, TransmitterU UnderUC UndercurrentUCA Utility Communications ArchitectureUDP User Datagram ProtocolUL Underwriters LaboratoriesUNBAL UnbalanceUR Universal RelayURC Universal Recloser Control.URS Filename extension for settings filesUV UndervoltageV/Hz Volts per hertzV_0 Zero Sequence voltageV_1 Positive Sequence voltageV_2 Negative Sequence voltageVA Phase A voltageVAB Phase A to B voltageVAG Phase A to Ground voltageVARH Var-hour voltageVB Phase B voltageVBA Phase B to A voltageVBG Phase B to Ground voltageVC Phase C voltageVCA Phase C to A voltageVCG Phase C to Ground voltageVF Variable FrequencyVIBR VibrationVT Voltage TransformerVTFF Voltage Transformer Fuse FailureVTLOS Voltage Transformer Loss Of SignalWDG WindingWH Watt-hourw/ opt With OptionWGS World Geodetic SystemWRT With Respect ToX ReactanceXDUCER TransducerXFMR TransformerZ Impedance, Zone
