GE UR Series Instruction Manual

Also see for L90: Communications manual Communications guide Instruction manual Instruction manual Instruction manual

Contents

GE Power ManagementL90 Line Differential RelayF-5APPENDIX F F.2 STANDARD ABBREVIATIONSFOPER ............. operateOPERATG...... operatingO/S ................. operating systemOSB................ out-of-step blockingOUT................ outputOV .................. overvoltageOVERFREQ ... overfrequencyOVLD ............. overloadP..................... phasePC .................. phase comparison, personal computerPCNT ............. percentPF................... power factor (total 3-phase)PF_A .............. power factor (phase A)PF_B .............. power factor (phase B)PF_C .............. power factor (phase C)PHS................ phasePKP ................ pickupPLC ................ power line carrierPOS................ positivePOTT.............. permissive over-reaching transfer tripPRESS ........... pressurePROT ............. protectionPSEL .............. presentation selectorpu ................... per unitPUIB............... pickup current blockPUIT ............... pickup current tripPUTT.............. permissive under-reaching transfer tripPWM .............. pulse width modulatedPWR............... powerR..................... rate, reverseREM ............... remoteREV................ reverseRI.................... reclose initiateRIP ................. reclose in progressROD ............... remote open detectorRST ................ resetRSTR ............. restrainedRTD................ resistance temperature detectorRTU................ remote terminal unitRX (Rx) .......... receive, receivers ..................... secondS..................... sensitiveSAT ................ CT saturationSBO................ select before operateSEL ................ select / selector / selectionSENS ............. sensitiveSEQ................ sequenceSIR ................. source impedance ratioSRC................ sourceSSB ................ single side bandSSEL .............. session selectorSTATS ............ statisticsSUPN ............. supervisionSUPV ..............supervise / supervisionSV ...................supervisionSYNCHCHK....synchrocheckT......................time, transformerTC ...................thermal capacityTD MULT ........time dial multiplierTEMP..............temperatureTHD ................total harmonic distortionTOC ................time overcurrentTOV ................time overvoltageTRANS............transientTRANSF .........transferTSEL...............transport selectorTUC ................time undercurrentTUV.................time undervoltageTX (Tx)............transmit, transmitterU .....................underUC...................undercurrentUCA ................Utility Communications ArchitectureUNBAL............unbalanceUR...................universal relay.URS ...............file name 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 optionWRT................with respect toX .....................reactanceXDUCER.........transducerXFMR..............transformerZ......................impedance