1、Power Electronics for Distributed Energy Resources:Past,Present and FutureLiuchen Chang,University of New Brunswick Fredericton,NB,Canada LChangunb.ca作者授权中国电源学会发布,未经作者同意禁止转载Outlines2Distributed Energy Resources(DERs)Evolution of DER Interconnection Standards and TechnologiesPower Electronic Technolo
2、gies for DERsNB Power GHG emission Intensity:450g/kWh in the early 2000s to 270g/kWh today-a great achievement over the past 20 years作者授权中国电源学会发布,未经作者同意禁止转载Power Systems in Transition High carbon Low carbon Electrification +Transportation Energy +ServicesCourtesy of:REN21,“RENEWABLES 2022 GLOBAL STA
3、TUS REPORT”&“RENEWABLES 2024 GLOBAL STATUS REPORT”.Canadian Parliament 1884 Mega-trends in power industry:3Traditional GridGenerationTransmissionDistributionConsumption作者授权中国电源学会发布,未经作者同意禁止转载Power System Operation:an Interconnected Large GridNeed more flexible system resources!Where are they from?05
4、00100015002000250030004:014:114:214:314:414:515:015:115:215:315:415:516:016:116:216:316:416:517:017:117:217:317:417:51Power(MW)Time(h)NB Power Load,Generation,and Import:BalancedLoad(MW)Generation(MW)4 Stability Security Reliability Affordability Resiliency Sustainability FlexibilityGenerationTransm
5、issionStorage作者授权中国电源学会发布,未经作者同意禁止转载5Distributed Energy Resources(DERs)DERs:(small&medium)energy resources connected to distribution networks for producing electricity,consuming electricity in a controlled manner,or improving energy efficiency Portfolios of DERs:Distributed generation(DG)systems(the
6、 largest share now)Electricity storage facilities(incl.EVs)Managed loads(e.g.controlled loads,etc)Can help with flexible resources for energy and services(from generation,storage and load)作者授权中国电源学会发布,未经作者同意禁止转载DERs-Integral Part of Modern Power SystemsEnergy StorageElectric VehiclesDistributed Gen.