overview of tecnalia's microgrid projects and secondary...
TRANSCRIPT
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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
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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
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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 €
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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
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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
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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