IEAINTERNATIONALENERGYAGENCYPHOTOVOLTAICPOWERSYSTEMSPROGRAMMEINTEGRATIONEXPERIENCEOFPHOTOVOLTAICPOWERSYSTEMSINSUBURBANANDREMOTEMINIGRIDSKONRADMAUCH1,FARIDKATIRAEI21OPERATINGAGENTFORIEAPVPSTASK11PVHYBRIDSINMINIGRIDS2PHOTOVOLTAICUNDESIRABLESWITCHOFFOFPVINVERTERSFLICKERMAYOCCURATFASTALTERNATIONSOFCLOUDSANDSUNSHINEGRIDIMPEDANCENONOTICEABLEIMPACTSTRESSONDISTRIBUTIONTRANSFORMERTRANSFORMERMAYOPERATEATVERYLOWPOWERFACTORBYINCREASEINPVGENERATIONMODERATEINCREASEINTRANSFORMERTEMPERATURETYPEOFHOUSEHOLDAPPLIANCESPOWERFACTORLOCALMEANSOFREACTIVEPOWERCOMPENSATIONPVINVERTERTECHNOLOGYMAYINCREASETHETRANSFORMERLOSSANDTEMPERATUREIEAINTERNATIONALENERGYAGENCYPHOTOVOLTAICPOWERSYSTEMSPROGRAMMEREPORTEDDATAFROMAUTONOMOUSPVMINIGRIDSGREEKISLANDSYSTEMSARKI,ANTIKYTHERA,ANDKYTHNOS11,12,13PVDIESELMINIGRIDPVWINDDIESELMINIGRIDSOMEDATAONPOWERQUALITYANDSYSTEMSTABILITYOTHERREPORTSFOCUSONPERFORMANCEOFENERGYRESOURCESPV,BATTERYNOTONNETWORKPERFORMANCEPOWERQUALITY,FREQUENCYOFOUTAGES,VOLTAGEANDFREQUENCYSTABILITYMOREFIELDDATAISNEEDEDTASK11PLANSTOGATHERMOREDATAIEAINTERNATIONALENERGYAGENCYPHOTOVOLTAICPOWERSYSTEMSPROGRAMMEAUTONOMOUSPVMINIGRIDSREPORTEDEFFECTSONPOWERQUALITYPQCONCERNOBSERVATIONCONSIDERATIONSIMPACTVOLTAGENOOPERATINGIMPACTREPORTEDFLICKERMAYOCCURATFASTALTERNATIONSOFCLOUDSANDSUNSHINENOTREPORTEDGRIDIMPEDANCENONOTICEABLEIMPACTREPORTEDSTRESSONDISTRIBUTIONTRANSFORMERTRANSFORMERMAYOPERATEATVERYLOWPOWERFACTORBYINCREASEINPVGENERATIONNOTREPORTEDTYPEOFHOUSEHOLDAPPLIANCESPOWERFACTORLOCALMEANSOFREACTIVEPOWERCOMPENSATIONPVINVERTERTECHNOLOGYMAYINCREASETHETRANSFORMERLOSSANDTEMPERATURENOOBSERVATIONREPORTEDIEAINTERNATIONALENERGYAGENCYPHOTOVOLTAICPOWERSYSTEMSPROGRAMMEOBSERVATIONSFIELDDATASUGGESTSTHATTHEREAREFEWSERIOUSINTEGRATIONISSUESPRIMARYINTEGRATIONISSUEFORHIGHPENETRATIONPVISVOLTAGERISECONSISTENTWITHPREVIOUSIEAPVPSSTUDIESEFFECTSAREVERYDEPENDENTONNETWORKCONFIGURATIONDISTRIBUTIONNETWORKARCHITECTURESVARYSUBSTANTIALLYINIEACOUNTRIESANDSOSTUDYINGSYSTEMSINDIFFERENTCOUNTRIESISIMPORTANTMITIGATIONMETHODSCANBEINVERTERBASEDEGGUNMADEMONSTRATIONORNETWORKBASEDLIMITEDPOWERQUALITYDATAAVAILABLEFORAUTONOMOUSMINIGRIDSCLUSTERDATAISAUSEFULINDICATORBUTFIELDDATAFROMMINIGRIDSISNEEDEDIEAINTERNATIONALENERGYAGENCYPHOTOVOLTAICPOWERSYSTEMSPROGRAMMENEXTSTEPSSEEKMOREFIELDDATAFROMBOTHCLUSTERSANDAUTONOMOUSMINIGRIDSUSESIMULATIONTOOLSTOEVALUATESCENARIOSWHEREFIELDDATAISNTAVAILABLEGRID1KM1KM1KM1KM2X15MVA120/25KVN1N2N3N4850MVAX/R361CANADIANPVCLUSTERSIMULATIONSTUDYINPROGRESSA10MVAFEEDERTHATSUPPLIES4SUBURBNEIGHBOURHOODSOF300HOUSESEACHCANADIANDISTRIBUTIONNETWORKPARAMETERSUNIFORMDISTRIBUTIONOFLOADANDPVGENERATION2KWROOFTOPPVPERHOUSEHOUSELOAD75KWPEAK,40KWAVELOADANDPVGENERATIONVARIESDURINGDAYSUMMERPROFILEIEAINTERNATIONALENERGYAGENCYPHOTOVOLTAICPOWERSYSTEMSPROGRAMMECONCLUSIONTHENEWIEAPVPSTASK11OFFERSAFORUMFOREXPERTSFROMALLIEACOUNTRIESTOSHAREKNOWLEDGEONMINIGRIDSYSTEMSINCORPORATINGPVTHEIEAPVPSMECHANISMSUPPORTSCOLLABORATIVERDEFFORTSCURRENTTASK11PARTICIPATINGCOUNTRIESAUSTRALIA,AUSTRIA,CANADA,FRANCE,GERMANY,JAPAN,KOREA,NORWAY,SPAIN,SWITZERLANDPARTICIPATIONANDDATAFROMOTHERCOUNTRIESISWELCOMETASK11OPERATINGAGENTKONRADMAUCH,CANADACONTACTINFORMATIONKONRADMAUCHIEEEORGIEAINTERNATIONALENERGYAGENCYPHOTOVOLTAICPOWERSYSTEMSPROGRAMMEREFERENCESVERHOEVEN,SAM,“UTILITYASPECTSOFGRIDCONNECTEDPHOTOVOLTAICPOWERSYSTEMS”,IEAPVPST5011998,HTTP/WWWIEAPVPSORG/TASKS/TASK5HTMPOVLSEN,AF,“IMPACTSOFPOWERPENETRATIONFROMPHOTOVOLTAICPOWERSYSTEMSINDISTRIBUTIONNETWORKS”IEAPVPST5102002,HTTP/WWWIEAPVPSORG/TASKS/TASK5HTMVERHOEVEN,B,“PROBABILITYOFISLANDINGINUTILITYNETWORKSDUETOGRIDCONNECTEDPHOTOVOLTAICPOWERSYSTEMS”,IEAPVPST5072002,HTTP/WWWIEAPVPSORG/TASKS/TASK5HTMBOWER,WANDROPP,M,“EVALUATIONOFISLANDINGDETECTIONMETHODSFORPHOTOVOLTAICUTILITYINTERACTIVEPOWERSYSTEMS”,IEAPVPST5092002,HTTP/WWWIEAPVPSORG/TASKS/TASK5HTMCULLEN,N,ETAL,“RISKANALYSISOFISLANDINGOFPHOTOVOLTAICPOWERSYSTEMSWITHINLOWVOLTAGEDISTRIBUTIONNETWORKS”,IEAPVPST5082002,HTTP/WWWIEAPVPSORG/TASKS/TASK5HTMUEDA,Y,ETAL,“ANALYTICALRESULTSOFOUTPUTPOWERRESTRICTIONDUETOTHEVOLTAGEINCREASINGOFTHEPOWERDISTRIBUTIONLINEINGRIDCONNECTEDCLUSTEREDPVSYSTEMS”,31STIEEEPHOTOVOLTAICSPECIALISTSCONFERENCE2005UEDA,YETAL“DETAILEDPERFORMANCEANALYSISRESULTSOFGRIDCONNECTEDCLUSTEREDSYSTEMSINJAPANFIRST200SYSTEMSRESULTSOFDEMONSTRATIVERESEARCHONCLUSTEREDPVSYSTEMS”,PROCEEDINGSOF20THEUROPEANPVSEC,2005IEAINTERNATIONALENERGYAGENCYPHOTOVOLTAICPOWERSYSTEMSPROGRAMMEREFERENCESLAUKAMP,H,ETAL“IMPACTOFALARGECAPACITYOFDISTRIBUTEDPVPRODUCTIONONTHELOWVOLTAGEGRID”,PROCEEDINGSOF19THEUROPEANPVSEC,2004VASANASONG,EANDSPOONER,ED,“THEEFFECTOFNETHARMONICCURRENTPRODUCEDBYNUBERSOFTHESYDNEYOLYMPICVILLAGESPVSYSTEMSONTHEPOWERQUALITYOFLOCALELECTRICALNETWORK”,PROCEEDINGSOFINTERNATIONALCONFERENCEONPOWERSYSTEMTECHNOLOGY,2000ENSLIN,JANDHESKES,P,“HARMONICINTERACTIONBETWEENALARGENUMBEROFDISTRIBUTEDPOWERINVERTERSANDTHEDISTRIBUTIONNETWORK”,IEEETRANSPOWERELECTRONICS,NOV2004VOKAS,GANDMACHIAS,A,“HARMONICVOLTAGESANDCURRENTSONTWOGREEKISLANDSWITHPHOTOVOLTAICSTATIONSSTUDYANDFIELDMEASUREMENTS”,IEEETRANSENERGYCONVERSION,JUNE1995KOROVESIS,P,ETAL,“INFLUENCEOFLARGESCALEINSTALLATIONOFENERGYSAVINGLAMPSONTHELINEVOLTAGEDISTORTIONOF