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Overview of Tecnalia's Microgrid
Projects and Secondary Control
Joseba Jimeno – Tecnalia Jeju 27/05/2011
Jeju 2011 Symposium on Microgrids
INDEX
1. Introduction to Tecnalia-Energy 2. Microgrid research projects in Spain 3. Tecnalia’s Microgrid laboratory 4. Secondary control implementation 5. Conclusions
Jeju 2011 Symposium on Microgrids
Jeju 2011 Symposium on Microgrids
1. Introduction to Tecnalia-Energy 1.1 Tecnalia Research & Innovation 1.2 Tecnalia-Energy
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1. Introduction to Tecnalia-Energy
1.1TecnaliaResearchandInnova3on
• Tecnaliawasbornin2010withthemergingof8companies• TecnaliaisnowthefirstprivateR+DcompanyinSpainandthe
fiChinEuropewith1.400peopleand125M€ofturnover
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1. Introduction to Tecnalia-Energy
1.2Tecnalia‐Energy
Materials and processes
for Energy
Active Electricity
Distribution
Electrical Equipment
Test & Certification
Control & Conversion of Electrical
Energy
Energy Sector
15 Turnover
124 Staff
The largest private research organisation in Spain in the
Energy field in terms of:
Million €
Jeju 2011 Symposium on Microgrids
2. Microgrid research projects in Spain 2.1 PIMEs project: Salburua Microgrid 2.2 La Graciosa island Microgrid 2.3 Villa Solar Decathlon Europe 2.4 Other projects
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2. Microgrid research projects in Spain
2.1PIMEsproject:SalburuaMicrogrid• Developmentoftheconceptofanenergysustainableneighbourhood,basedonMicrogridsandreplicableindifferentcountries.
• Demonstra3onsitesin:– Dale(Norway):– Szentendre(Hungary)– Salburua(Spain):2areasofinterven3on:
• Ablockofflats:NaturalgasCHPandPVpanelsarebeinginstalledforspacehea3nganddomes3chotwater
• Agroupof4blocksofflats:Spacehea3nganddomes3chotwaterneeds,naturalgasCHP,solarthermalandheatpump,connectedtoageothermalseasonalheatstorage
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2. Microgrid research projects in Spain
2.2LaGraciosaislandMicrogrid
• InthescopeoftheTRESproject2010‐2012(Transi3ontowardsasustainableenerge3cmodelforMadeira,AzoresandCanaryIslands)
• Europeanfunds(FEDER)forthecohesionofregionsinEurope• Characteris3cs:
– Weakelectricalnetworks(poorlyinterconnected)addhighrestric3onsforrenewablegenera3on(non‐controllable)
• Objec3ves– Facilitatethedeploymentofrenewablesinislands– Developmentofforecas3ngmodels(windandsolar)– Dynamicstabilitystudies– Evalua3onofelectricalstoragetechnologies– Demonstra*onoftheresultsinLaGraciosaislandasa
Microgrid
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2. Microgrid research projects in Spain
2.3VillaSolarDecathlonEurope2012
• RootsintheUSDOESolarDecathlon(compe33onbetweenuniversi3esovertheworld)
• Mainobjec3veistodesignandbuildaself‐sufficienthousepoweredonlybysolarenergy
• Implementedwithtechnologiesforanefficientuseofthehouse’sresources
• Tecnalia’srole:– Technicalspecifica3on(basisofcompe33on)inordertoobtainan
electricalintegra3onofhousesasaMicrogridconnectedtothedistribu3onnetwork
– Efficiencymustbeconsideredatthelocallevel(house)andatthecommunitylevel(Microgrid)
– Apartfromligh3ng,hea3ngandcoolingloads,theEVrechargemustbeconsidered
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2. Microgrid research projects in Spain
2.4Otherprojects• Op3magrid:
– ProjectfordevelopingMicrogridsforindustrialfacili3es– PV(25kW),windgenera3on(20kW),dieselgenera3on(55kW),flowbaceries
(50kWx4hours),leadacidbaceries(50kWx2hours)• IRECMicrogrid:
– Experimentalsta3oninwhichresearchcanbeconductedintotheintegra3onofallcomponentsintoanewenergysupplysystem.
– Integra3onof:conven3onalmicrogenera3ontechnologies(dieselornaturalgasengines),emergingtechnologies(microturbinesorenergyfromstoragedevices),andrenewabletechnologies(smallwindturbinesorsolargenerators).
• iSareproject:– SmartMicrogridintheMiramonTechnologyPark(SanSebas3an)tobe
opera3onalinlate2012– Willenablecompaniestodevelopandvalidateequipmentdesignedto
enhancethecapabili3esofelectricitydistribu3onnetworksofthefuture– Storagesystems,genera3onandmicrogridarchitecture,madeupof
interoperablecommunica3ons,acontrolcentre,andchargingpointsforEVs
Jeju 2011 Symposium on Microgrids
3. Tecnalia’s Microgrid laboratory 3.1 Tecnalia’s laboratory 3.2 New facilities under development
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3. Tecnalia’s Microgrid laboratory
PowerSources:– DieselGenerator(2x55kW)– µTurbine(50kW)– PacificPowerSources‐
programmablenetworksimulator‐(2x62.5kVA/50kW)
– PVsinglephase(0.6kWand1.6kW)– PV(3.6kWthreephase)– WindTurbine(singlephase6kW)– BallardFuelcell(1kVA)– DCpowersource(125kW)
Sta*cSwitch:– Islanded–GridconnectedMainswitchingboard:– Threebusbars(Threephase)– Mostdevicescanbeconnected
toanybusbar
Testsswitchingboard:– Concentratesallloadbanksata
singleconnec3on
Communica*onnetwork:– Ethernet,WiFi,RS485&RS
232,TCP/IP,ModBus…
Storage:– Flywheel(250kVA)– Ultracapacitorbank(48V2.8MJ)– Bacerybanks(48V‐1925Ahand
24V‐1120Ah)Controllableload:– Resis3veloadbank(150kW&
55kW)– Reac3veloadbanks(upto
200kVARrreac3veorcapaci3ve)
Other:– Linesimulator(R&X)– DCNetwork,Rec3fierand
PM1000Inverters(2x100kW)– Hidrotec– EVplaporm– Kubik
3.1Tecnalia’slaboratory
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3. Tecnalia’s Microgrid laboratory 3.2Newfacili3esunderdevelopment
Jeju 2011 Symposium on Microgrids
4. Secondary control implementation 4.1 Secondary control of Microgrids 4.2 Design of the control system
4.3 Hardware 4.4 Generation, Load and Grid bids
4.5 Bid/Offer matching 4.6 Tests
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4. Secondary control implementation
4.1SecondarycontrolofMicrogrids• Secondarycontrolintransmissionnetworks
“automa'ccontrolinchargeofensuringthatpowerexchangesbetweencontrolareasaremaintainedasscheduledandthatthefrequencyiskeptclosetothereferencevaluewithinallowedlimits”
• SecondarycontrolinMicrogrids
– GridConnected:MaintainthepowerexchangewiththeMainGridaspreviouslyscheduled
– Islanded:RecoverfrequencyaCerchangesinload
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4. Secondary control implementation
4.2Designofthecontrolsystem• Marketmodel:
• Eachdeviceprovidesbidsoroffers• Generators:basedonopera3ngcosts• Loads:basedonpriority• Storage:basedonenergypriceandSOC• MainGrid:basedondevia3onprice
• Supplyanddemandarematchedsoamarginalpriceisobtained
• Eachdeviceisassignedapowersetpoint
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4. Secondary control implementation
4.3Hardware
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4.4Genera3on,LoadandGridBids/Offers– Genera3onsupplyoffers
• Costequa3on• Incrementalcost
4. Secondary control implementation
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– ElectricitypricefromtheGrid• Representsthepriceofthedevia3oncosts
4. Secondary control implementation
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– Loadbids• Non‐priorityloadswillbeprogressivelydisconnectedwhen80%oftheMicrogridcapacityisreached
4. Secondary control implementation
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4. Secondary control implementation
4.5bid/offermatching
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4.6Tests
• Measurementcycle1second
• Controlcycle5seconds
• Test1:Microgridconnectedtothemaingrid
• Objec3ve:Zeropowerexchangewiththemaingrid
• Buildingnormalloadprofilescaledto100kW
4. Secondary control implementation
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Results(GridConnected)
4. Secondary control implementation
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Test2:Microgridinislandedmode
• Objec3ve:50Hzfrequencyshouldbemaintained
• Diesel_1asvoltagesource(Basepower20KW)
• Loadprofilescaledto80kW
4. Secondary control implementation
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Results(Islanded)
4. Secondary control implementation
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Results(Islanded)
4. Secondary control implementation
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5. Conclusions
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5. Conclusions
1. SeveralMicrogridresearchprojectsarebeingdevelopedinSpain
– PIMEs:Residen3alMicrogridinexis3nghouseholds– LaGraciosa:Microgridforrenewableintegra3oninanisland– VillaSolar:ContestforsolarsustainablehouseswithMicrogrid
func3ons– Others
2. Tecnalia’slaboratoryandthenewfacili3esunderdevelopmentareaflexibleplapormforSmartGridstechnologiestes3ngandresearch
3. Prac3calimplementa3onofasecondarycontrolsystem– Real3me(secs)control– Supply/demandbalanceproblem– Mosteconomicalopera3on– Gridconnectedandislandedmodes– Marketbasedmodel
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4.1MicrogridEnergyManagementSystem
• FlexiblecontrolandmonitoringsystemforDERcoordina3oninaMicrogrid• Implementa3onbasedonMul3Agenttechnologies:
• Modular• Plug&Play• Decentralized
4. Secondary control implementation
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4. Secondary control implementation
4.5SoCwaredeployment