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LIST OF ABBREVIATIONS

AGCautomatic generation controlANSIAmerican National Standards InstituteAPCactive power curtailmentAPSArizona Public ServiceAVRautomatic voltage regulatorBESSbattery energy storage systemBOSbalance of systemBPSbulk power systemCAISOCalifornia Independent System OperatorCIGREConseil International des Grands Réseaux Electriques, translated as, International Council on Large Electric SystemsCPUCCalifornia Public Utilities CommissionDERdistributed energy resourceDERMSdistributed energy resource management systemDFIGdoubly fed induction generatorDGdistributed generator/generationDMSdistribution management systemDVARdynamic VAREHVextra high voltageEPCengineering, procurement, and constructionEPRIElectric Power Research InstituteEPSelectric power systemERCOTElectric Reliability Council of TexasESSenergy storage systemFACTSFlexible AC Transmission SystemFERCFederal Energy Regulatory CommissionFFRfast frequency responseFROfrequency response obligationHChosting capacityHFRThigh frequency ride throughHVhigh voltageHVDChigh voltage direct currentHVRThigh voltage ride throughIBRinverter based resourceIEAInternational Energy AgencyIEEEInstitute of Electrical and Electronics EngineersIGBTinsulated gate bipolar transistorILCinverter level controllerIMinduction motorLBNLLawrence Berkeley National LaboratoryLFRTlow frequency ride throughLTCload tap changerLVlow voltageLVRTlow voltage ride throughMPPTmaximum power point trackingMVmedium voltageMVAmega volt ampereMVARmega volt ampere reactiveMWmegawattNERCNorth American Electric Reliability CorporationNRELNational Renewable Energy LaboratoryOLTCon load tap changerOPFoptimal power flowp.u.per unitPCCpoint of common couplingPFpower factorPFRprimary frequency responsePIproportional–integralPIIpermitting, inspection, and interconnectionPLLphase locked loopPMUphasor measurement unitPoCpoint of connectionPOIpoint of interconnectionPPCpower plant controllerPQpower qualityPSDCpower swing damping controllerPSSpower system stabilizerPVphotovoltaicPVPSphotovoltaic power systemsPV‐STATCOMphotovoltaic static synchronous compensatorPWMpulse width modulationQSTSquasi static time seriesRMSroot mean squareROCOFrate of change of frequencyRPCreactive power controlRTDSreal time digital simulatorSCADAsupervisory control and data acquisitionSCESouthern California EdisonSEIGself‐excited induction generatorSFsolar PV farmSGsmart gridSIsmart inverterSILsurge impedance loadingSIRsynchronous inertial responseSIWGSmart Inverter Working GroupSLGsingle line to ground faultSOCstate of chargeSPWMsinusoidal pulse width modulationSRPSalt River ProjectSSDCsubsynchronous damping controllerSSOsubsynchronous oscillationsSSRsubsynchronous resonanceSTATCOMstatic synchronous compensatorSVCstatic var compensatorTCRthyristor‐controlled reactorTHDtotal harmonic distortionTOVtransient overvoltageTSCthyristor‐switched capacitorUFLSunder-frequency load sheddingUPFunity power factorVARvolt amp reactiveVCOvoltage controlled oscillatorVSCvoltage source converterVSIvoltage source inverterVVCvolt–var controlWAMSwide area measurement systemWECCWestern Electricity Coordinating CouncilWFwind farmWTGwind turbine generator