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

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



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 €


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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2.2LaGraciosaislandMicrogrid

•  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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2.3VillaSolarDecathlonEurope2012

•  RootsintheUSDOESolarDecathlon(compe33onbetweenuniversi3esovertheworld)

•  Mainobjec3veistodesignandbuildaself‐sufficienthousepoweredonlybysolarenergy

•  Implementedwithtechnologiesforanefficientuseofthehouse’sresources

•  Tecnalia’srole:–  Technicalspecifica3on(basisofcompe33on)inordertoobtainan

electricalintegra3onofhousesasaMicrogridconnectedtothedistribu3onnetwork

–  Efficiencymustbeconsideredatthelocallevel(house)andatthecommunitylevel(Microgrid)

–  Apartfromligh3ng,hea3ngandcoolingloads,theEVrechargemustbeconsidered

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2.4Otherprojects•  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


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


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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4.2Designofthecontrolsystem• Marketmodel:

• Eachdeviceprovidesbidsoroffers• Generators:basedonopera3ngcosts• Loads:basedonpriority• Storage:basedonenergypriceandSOC• MainGrid:basedondevia3onprice

• Supplyanddemandarematchedsoamarginalpriceisobtained

• Eachdeviceisassignedapowersetpoint

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4.3Hardware

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4.4Genera3on,LoadandGridBids/Offers– Genera3onsupplyoffers

• Costequa3on•  Incrementalcost


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– ElectricitypricefromtheGrid•  Representsthepriceofthedevia3oncosts


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– Loadbids•  Non‐priorityloadswillbeprogressivelydisconnectedwhen80%oftheMicrogridcapacityisreached


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4.5bid/offermatching

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4.6Tests

• Measurementcycle1second

• Controlcycle5seconds

• Test1:Microgridconnectedtothemaingrid

• Objec3ve:Zeropowerexchangewiththemaingrid

•  Buildingnormalloadprofilescaledto100kW


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Results(GridConnected)


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Test2:Microgridinislandedmode

•  Objec3ve:50Hzfrequencyshouldbemaintained

•  Diesel_1asvoltagesource(Basepower20KW)

•  Loadprofilescaledto80kW


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Results(Islanded)


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Results(Islanded)



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

Thank you for your attention !!

Joseba Jimeno

[email protected]


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4.1MicrogridEnergyManagementSystem

• FlexiblecontrolandmonitoringsystemforDERcoordina3oninaMicrogrid• Implementa3onbasedonMul3Agenttechnologies:

• Modular• Plug&Play• Decentralized


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4.5SoCwaredeployment

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

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