1、Microgrids and renewable energy integrationOverview of capabilities and referencesDr. Alexandre Oudalov, ABB Switzerland Ltd., CIMESS 2014, Beijing, 2014-11-12A global leader in power and automation technologiesLeading market positions in main businesses+150,000employeesPresentincountries+100Formedi
2、n1988merger of Swiss (BBC, 1891)and Swedish (ASEA, 1883)engineering companiesIn revenue(2013)billion42$How ABB is organizedFive global divisionsPresentation Outline Introduction ABB Solution Microgrid Plus System PowerStore Additional Capabilities ReferencesIntroductionSustainable access to electric
3、ity anywhereMicrogrids powered by renewable energy sourcesFossil- fuelgenerationWind powerSolar powerResidentialloads IndustrialloadsMicrogrids achieve secure power generation with grid-quality electricitywhile integrating renewable energyMicrogrids and renewable energy integrationMicrogrid market s
4、egments and driversP: Main driver(P): Secondary driverMain driversSocial Economic Environmental OperationalSegments Typical customers Access toelectricity Fuel & costsavingsReduce CO2footprint andpollutionFuelindependenceUninterruptedsupplyOff-gridIslands (Local) utilities P P P (P)Remote researchce
5、ntersGovernmental researchinstitutions P P PRuralelectrificationGovernmentaldevelopment institutions /development banks P P PWeakgridRemotecommunities (Local) utilities P P P (P)Grid-connectedIndustrial andcommercialMining companies / IPPs /Oil & Gas companies /Hotels & resorts P (P) P PDefense Gove
6、rnmental defenseinstitutions (P) (P) P PInstitutions andcampusesPrivate educationinstitutions / IPPs /Government educationinstitutionsP P (P) Inherent volatility of renewable energy(RE) can compromise microgrid stability The renewable energy integrationsolution must address requirementstraditionally
7、 fulfilled by diesel generation(base load) Frequency and voltage control Sufficient spinning reserve Sufficient active and reactive powersupply Peak shaving and load levelling Load sharing between generators Fault current provision Renewable energy (RE) generationcapacity should be sized to maximize
8、ROI and fuel savingsRenewable energy integration challengesManaging power output fluctuationsROI: Return on investmentSolarpowervariationsWindpowervariationsABB solutionABB microgrids and RE integrationTechnology overviewMicrogrid Plus system PowerStoreSpecially designed networked control systemresp
9、onsible for coordinating the operation ofpower sources, storages and loadsGrid stabilizing system that offers real andreactive power to enable intermittentrenewable energy to be integrated into gridsMaximizes fossil fuel savingsOptimizes use of renewable energyGuarantees optimum loading and spinning
10、reserve in fossil fuel generatorsDistributed logic enhances reliability andscalability for future system expansionsCan be used in isolated grids or in gridsupport modeMaximizes fuel savings through highestpossible renewable penetrationEnsures high power quality by stabilizingrenewable energy generat
11、ionMicrogrid Plus SystemMicrogrid Plus SystemEfficient and reliable power flow managementPV plantDiesel GeneratorGrid StabilisingSystemDistribution feederPowerMicro-GridWind TurbinesMGC600-W M+ OperationsLocal and remoteMGC600-PMGC600-GMGC600-EMGC600-FCommunicationNetworkDistribution feederMGC600-FG
12、rid connectionMGC600-NResidentialIndustrial &commercialCentral control systems Microgrid Plus SystemController failure Failure of the central mastercontroller can be catastrophicThe failure of one controller has aminimal impact. Replacement capacitycan be brought online immediatelySystem maintenance
13、 System maintenance requirescomplete shutdownsParts of the system can be shut downwhile the rest of the system continuesto operate independentlyUpgrades Modification requires lots oftesting Easy upgrades thanks toindependence and modularityFuture extensions Scalability and expansion is acomplex and
14、expensive taskThe system is more scalable andextendable (Not limited to on-board I/Oof central master controller)Microgrid Plus SystemCentral vs. distributed control systemsA distributed architecture ensures maximumreliability and the most cost effective solutionKey features: Data acquisition of all
15、 monitored points High resolution trending Web based visualization packages Remote firmware update and parameterconfiguration of controllers Local and remote data access to allpower station data through HMI Generator priority schedulingconfiguration Alarm system and event reporting Customizable acco
16、rding to customerspecificationsMicrogrid Plus SystemHuman machine interfaceKey features: Used in new and existing sites Simple and non-proprietary I/Os to fitall power generation control systems Non-invasive functional overlay toexisting control systems Modular and scalableKey benefits: Proven techn
17、ology vs. customengineering Complete plant power management Capable of being used for low REpenetration and easily upgradable tohigh RE penetration Ability to integrate most generatorcontrols or loads Optimized RE management forminimum fuel usage Extremely reliable system designed forensuring lights
18、 stay on 24/7Microgrid Plus SystemEfficient and reliable power flow managementPowerStoreCompact and versatile grid stabilizinggenerator able to stabilize power systemsagainst fluctuations in frequency andvoltageThe PowerStore consists of: Flywheel energy storage Power converter system Operator inter
19、faceThe PowerStore is able to operate in: Grid Support Mode (GSM) for large networks Virtual Generator Mode (VGM) for isolatedmicrogrids.PowerStoreGrid stabilizationPowerStoreFlywheel energy storageMagnetic SupportTop BearingTop Guard BearingRotating RectifierExcitationGeneratorMain MachineFlywheelB
20、ottom BearingBottom GuardBearingFlywheel Performance Data Net. energy content 18 MWsec Max Input/output power 1650 kW Speed range 1800 to 3600 rpm Total weight 6000 kg Rotor weight 2900 kg Idling losses 10 kW Greasing frequency 5 years Bearing service life 8 yearsThe flywheel is a robust and proven
21、mechanical device used in UPS solutionsIt is failsafe, utilizing its own energy to supply the lifting magnets PCS100 power converters demonstratehighly reliable and cost-effectiveperformance Highly efficient solution allowingdynamic active and reactive powercontrol Proven platform covering applicati
22、onsfrom data centers through to completeindustrial plant Based on proven 125kVA modules forsimple long term maintenancePowerStorePCS100 - Power Conversion SystemPowerStoreEnsuring a stable microgrid electricity networkStable power output ensured through quick power injection and absorption capabilit
23、yof the PowerStorePowerStore reduces instabilities in the microgrid or in weak grids bymanaging instabilities caused by load steps and RE fluctuationsKey features: 20 years design life Dynamic absorption and injection ofactive & reactive power Voltage & Frequency Control High penetrations of RE powe
24、r intomicrogrids achievable of up to 100% Unbalanced load supply Spinning reserve reduction Fault ride throughKey benefits: Reduced downtime through gridstabilisation of fluctuations caused byboth RE and loads Maximized fuel savings throughoperation in diesel-off mode Reduced operating reserve requi
25、rementand associated fuel consumption inpeak lopping for cyclical loads Isolation from main grid instabilitiesthrough islanding capabilityPowerStoreGrid stabilization - summaryAdditional capabilitiesMaking the right economic and technical decisions can be difficult.Using specialized simulation tools
26、, we can tailor a solution to fit specific project REresources, commercial conditions and technical requirements.Guiding customers through the microgrid design processSmart grids ?ABB consulting servicesFeasibility studies to find optimal system typeOptimization and sensitivity analysis algorithms e
27、valuate the economic feasibility of manytechnology options, and account for cost variations and energy resource availability.1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23NPV ($)Discount Factor(%)High PenetrationLow PenetrationOver 20 microgrid feasibility studies, conceptdesigns and po
28、wer system studies conductedABB consulting servicesLoad Flow, Dynamic stability & Protection studies Real and Reactive Power FlowCalculations Loading of cables, transformers,turbines and other equipment Sizing of components Dynamic stability investigation Power system transient behavior Short Circui
29、t Calculations Selection of protection relays Identification of protection parameters Design of system protectionphilosophy with a focus on distributedRE For microgrids, especially in remoteareas, it is critical to maintain constantpower supply and have access totechnical support 24/7 ABB technology
30、 enables remote access,monitoring and control of all microgridassets ABB can perform routine servicechecks, regular maintenance andunscheduled service remotely, withminimal operational impact on themicrogrid.ABB serviceA trusted partner through the microgrids lifecycleConsultingDesign &EngineeringSi
31、mulation& TestSupplyInstallation& Commi-ssioningServiceReferencesABB Microgrid referencesHybrid powerstationIntegrated windor PV plantIntegration solutionOptimized microgridintegrationRenewable to gridconnectorAncillary power systemservicesWhat is it?Turnkey solutionfor a “greenfield”microgrid proje
32、ctIntegration of REinto fossil fuel-based microgrids(HFO, Diesel, gasetc.)Stabilization andflow optimizationof RE integrationStabilization of on-grid RE plantsconnected to aweak gridProviding virtualinertia, gridstabilization, aswell as otherancillary systemservicesReference Marble Barsolar/diesel H
33、opetounwind/diesel Coral Baywind/diesel Ross Islandwind/diesel Rottnestwind/diesel Esperencewind/diesel Denhamwind/diesel Faialwind/diesel Floreswind/hydro/diesel Carnegiewave Kalbarriwind SP AusnetBESS Leinster Minepeak lopping Endesagrid connection REEgrid connectionOur offeringReferences Hybrid p
34、ower plantMarble Bar, PV/DieselProject nameMarble BarCountryWestern Australia, AustraliaCustomer Horizon Power Government of WACompletion date2010*For both Marble Bar and Nullagine projectsABB solution PV/diesel Microgrid with PowerStore grid-stabilizingtechnology and Microgrid Plus System The resul
35、ting system consists of: Diesel (4 x 320kW) PV (1 x 300kW) PowerStore-flywheel (1 x 500kW) Microgrid Plus SystemCustomer benefits* Minimize diesel consumption: 405,000 l/year of fuel saved Minimum environmental impact: 1,100 t/year CO2 avoided Reliable and stable power supply 60% of electricity cons
36、umed by the microgrid is generatedby the PV plantAbout the projectMarble bar and Nullagine are the worlds first highpenetration, solar photovoltaic diesel power stationsReferences Optimized microgrid integrationFaial, Wind/DieselProject nameFaial wind/diesel stabilizationCountryThe Azores, PortugalC
37、ustomerElectricidade dos Acores (EDA)Completion date2013Logos sd ABB solution Design, supply, installation and commissioning of aMicrogrid Plus System The control system optimizes the wind penetration into themicrogrid and helps dispatche the HFO generatorsoptimallyCustomer benefits Optimized wind penetration to ensure minimum fuelconsumption and grid stability Reduced maintenance through automatic management ofthe wind farm power setpointThe integration of wind energy combined with ABBsinnovative solution will save an estimated 3.5 million litersof fuel per yearAbout the project
