2024光伏儲能微網(wǎng)電站設計要點

光伏+儲能微網(wǎng)電站設計要點目錄Agenda1儲能系統(tǒng)作用及應用類型EnergyStorageSystem:Function&Type2儲能并網(wǎng)系統(tǒng)及案例EnergyStorageGridConnectedSystem&Case3儲能微網(wǎng)系統(tǒng)及案例1儲能系統(tǒng)作用及應用類型EnergyStorageSystem:Function&Type2儲能并網(wǎng)系統(tǒng)及案例EnergyStorageGridConnectedSystem&Case3儲能微網(wǎng)系統(tǒng)及案例EnergyStorageMicrogridConnectedSystem&Case4物理儲能系統(tǒng)及案例PhysicalEnergyStorageSystem&Case1儲能系統(tǒng)作用及應用類型1儲能系統(tǒng)作用及應用類型EnergyStorageSystem:Function&Type儲能系統(tǒng)作用EnergyStorageSystemFunction在新能源發(fā)電中，風能、太陽能發(fā)電具有間歇性、不穩(wěn)定性的特點。儲能設備可與新能源進行配套，主要作用包含：Amongallrenewableenergies,windandsolarisknownfortheirintermittenceandinstability.Combinetheenergystorageequipmentandrenewableenergy,which:1）跟蹤計劃出力，減少棄風棄光對發(fā)電企業(yè)影響Trackpowergeneration,andmitigatethenegativeeffecttopowerplantwhenwindorsolarpowergenerationislimited系統(tǒng)進行充電，解除限發(fā)后儲能系統(tǒng)放電，減少棄風棄光對發(fā)電企業(yè)影響。Fastchargeanddischargeintheenergystoragesystemsrealizethequickresponseinthemunicipalgrid.Energystoragesystemstartstochargewhenrenewableenergyisoff,andviceversa,whichmitigatethenegativeeffecttopowerplant.2)優(yōu)化新能源電站出力，平抑波動Optimizerenewableenergypowerplantandsuppressfluctuation通過儲能系統(tǒng)快速充放電，實現(xiàn)大功率動態(tài)調(diào)節(jié)，減少外部條件對新能源發(fā)電系統(tǒng)影響，實現(xiàn)新能源電力可控性，減少對電網(wǎng)沖擊。Throughtherapidchargeanddischargeinenergystoragesystem,toachievehigh-powerdynamicadjustment,reducetheimpactontherenewableenergysystemcausedbyexternalconditions,toachievethecontrollabilityoftherenewableenergypower,andreducetheimpactontothepowergrid.微電網(wǎng)系統(tǒng)可靠供電保證Reliablepowersupplyofthemicrogridsystem光伏、風電等新能源發(fā)電單元通過與儲能系統(tǒng)結合，可以可靠地解決偏遠無電地區(qū)的供電問題。RenewableenergyunitslikePVandwindcombiningwiththeenergystoragesystemscan1儲能系統(tǒng)作用及應用類型1儲能系統(tǒng)作用及應用類型EnergyStorageSystem:Function&Type電磁儲能Electromagneticenergystorage電化學儲能energystorage儲能技術電磁儲能Electromagneticenergystorage電化學儲能energystorage儲能技術Energytechnique物理儲能Physicalenergystorage飛輪儲能Flywheelenergystorage抽水儲能Pumpedenergystorage超導儲能超導儲能Superconductingenergystorage三元電池ternarybattery全釩液硫電池Vanadiumredoxbattery磷酸鐵鋰電池Li-ironphosphatebattery鈉硫電池Sodiumsulfurbattery鉛碳電池Leadcarbonbatter壓縮空氣儲能Compressedairenergystorage超級電容器Supercapacitor1儲能系統(tǒng)作用及應用類型1儲能系統(tǒng)作用及應用類型EnergyStorageSystem:Function&Type物理儲能物理儲能Physicalenergystorage抽水儲能：在滿足地質(zhì)和水文條件的前提下，分別設置上下游水庫，在電力負荷低谷時，將低地勢下水庫的水抽到上游水庫，將電能轉(zhuǎn)換為勢能；在用電高峰時，再將上游水庫的水釋放，驅(qū)動水輪機組發(fā)電，將勢能轉(zhuǎn)換為電能。Pumpedenergystorage:meetingthegeologicalandhydrologicalconditions,setupupstreamanddownstreamreservoirsrespectively,whenthepowerloadinthevalley,drawthedownstreamreservoirwateruptotheupstreamreservoir,andconverttheelectricalenergyintopotentialenergy;wheninthepeaktime,releasethewaterintheupstreamreservoiranddriveturbine,convertingthepotentialenergyintoelectricity.優(yōu)點：目前比較成熟的大容量儲能技術，低成本，使用壽命長，轉(zhuǎn)換效率70%以上；Advantages:maturelarge-capacityenergystoragetechnology,lowcost,longlife,conversionefficiency>70%缺點：受地理位置制約且建設施工周期較長。Disadvantages:subjecttogeographicalconstraintsandlongerconstructiontime.壓縮空氣儲能：在電力負荷低谷時，利用電能將空氣壓縮儲存于儲氣室內(nèi)部；在用電高峰時，高壓空氣從儲氣室釋放進入燃氣輪機同燃料一起燃燒后驅(qū)動渦輪機帶動發(fā)電機輸出電能。Compressedairenergystorage:Whenthepowerloadislow,useelectricitytocompresstheairandstoreintheairstoragechamber;wheninpeaktime,highpressureairfromthestoragechamberentertheturbine,combustingwithfuelanddrivetheturbinetodrivegeneratortogeneratepower優(yōu)點：可實現(xiàn)規(guī)模儲能，建設成本及運營成本低，使用壽命長；Advantages:largescaleenergystorageachievable,lowconstructionalandoperatiionalcosts,longservicelife缺點：需要大容量儲氣裝置，建設廠址條件有限，充放電過程依靠燃料，效率一般60%。Disadvantages:needlarge-capacityairstoragedevice,construction-siteconditionslimited,chargeanddischargeprocessrelyonfuel,efficiencyaround60%飛輪儲能：利用電能驅(qū)動電動機帶動飛輪高速旋轉(zhuǎn)儲能，當需要放電時，高速旋轉(zhuǎn)的飛輪轉(zhuǎn)子降低轉(zhuǎn)Flywheelenergystorage:useelectricitytodrivemotorandflywheeltohighspeedtostoreenergy,whenintheneedofdischarge,slowdowntherotorandconvertthekineticenergytoelectricity,anddischarge.特點：對飛輪、軸承工藝要求較高（耐高溫、轉(zhuǎn)速快），斷電無法長時間儲存，轉(zhuǎn)換效率較低；Features:highrequirementsonthed區(qū)域微電網(wǎng)系統(tǒng)就地平衡microgridsysteminsitud區(qū)域微電網(wǎng)系統(tǒng)就地平衡microgridsysteminsitubalance平滑輸出，減少對電網(wǎng)沖擊smoothoutput,Reducetheimpactonthepowergrid改善分布式能源出力特性Improvethedistributedenergyoutputcharacteristics微電網(wǎng)系統(tǒng)支撐SupportedbyMicrogridsystem用戶側(cè)分布式+儲能UsersideDistributed+Energy提高分布式電源就地消納Improvetheistributedpowersupplylocalconsumption可再生能源并網(wǎng)Renewableenergygridconnection跟蹤計劃出力Trackpowergeneration1儲能系統(tǒng)作用及應用類型EnergyStorageSystem:Function&Type電化學儲能在電站中電化學儲能在電站中ApplicationElectrochemicalenergystorage穩(wěn)定分布式系統(tǒng)輸出，改善電能質(zhì)量Stabledistributedsystemoutput,improvepowerquality提高用戶供電可靠性，降低用戶用電成本Improvethereliabilityofuserpowersupply,reducethecostofelectricityusers保障微電網(wǎng)系統(tǒng)穩(wěn)定、持續(xù)供電Protectionofmicro-gridsystemstability,continuouspowersupply儲能技術Energystoragetech.鉛炭電池leadcarbonbattery磷酸鐵鋰電池Li-ironphosphatebattery三元電池ternarybattery鈉硫電池Sodiumsulfurbattery全釩液流電池Vanadiumredoxbattery成本Cost（元/kwh）950~12002000~235026003000~40003500放電深度（DOD%)60%~70%90%95%接近approx.100%100%循環(huán)壽命3600~4200≥45006000~2500~12000lifecycle100004000（次times）充放電效率Eff.Ofcharge&discharge81%85%92%95%75%系統(tǒng)優(yōu)勢技術成熟度較高，價能量密度、功率密能量密度、功率密度高，使用壽命長，轉(zhuǎn)換Systemadvantage格較低，穩(wěn)定性好maturetech.,lowercost,morestable度較高，安全性好HigherEnergydensity&power系統(tǒng)效率有繼續(xù)開發(fā)空間HigherEnergy&powersystem效率高Longservicelifeandhighconversiondensity,safereff.tobebetterefficiency系統(tǒng)劣勢Systemdisadvantage充放電速率慢，能量密度低、整體效率偏低lowCharge&dischargerate,low量密度達到瓶頸currentpricehigh,thereisbottleneck安全性能待驗證securitytobeverified當前國內(nèi)技術不成熟currentlytechnot能量密度低，使用環(huán)境要求高Lowenergydensity,highrequirementsenergydensity,lowoftheenergymatureinonenvironmentoverallefficiencydensityChina 2儲能并網(wǎng)系統(tǒng)及案例2儲能并網(wǎng)系統(tǒng)及案例EnergyStorageGridConnectedSystem&CaseEnergystoragesystemforlargescalepowerplant1）對系統(tǒng)容量需求；Distributedpowersupply+energystoragemicrogridsystemtopromotethebalanceofdistributedpowerandload,andreducethesystemcapacityrequirements2）通過配置一定容量的儲能系統(tǒng)，可以在電網(wǎng)輸送通道受限情況下，將多余光伏發(fā)電儲存在儲能系統(tǒng)中，在合適的時間再返送電網(wǎng)。Throughtheallocationofacertaincapacityoftheenergystoragesystem,theexcessPVpowercanbestoredinthecasethatthegridtransmissionchannelislimited,andreturnedtothegridatpropertime3）在新能源發(fā)電廠內(nèi)配置一定量的儲能系統(tǒng)，可以優(yōu)化新能源廠站出力曲線，提高電能質(zhì)量、減少對系統(tǒng)的沖擊；Installacertainamountofenergystoragesystemintherenewableenergypowerplant,andtheplantoutputcurvecanbeoptimized,powerqualitycanbeimproved,andtheimpactcanbereducedtothesystem.2儲能并網(wǎng)系統(tǒng)及案例2儲能并網(wǎng)系統(tǒng)及案例EnergyStorageGridConnectedSystem&Case巴基斯坦100MW光伏儲能項目—平滑輸出減少對電網(wǎng)沖擊100MWPVStorageProjectinPakistan-SmoothOutputReducesImpactontoPowerGrid系統(tǒng)組成：100MW光伏系統(tǒng)+50MW儲能系統(tǒng)（配置120MWh磷酸鐵鋰電池）System:100MWPV+50MWenergystoragesystem(120MWhLi-ironphosphatebattery)電網(wǎng)的支撐作用，大大緩解了當?shù)仉娋W(wǎng)的供電壓力，提高當?shù)仉娋W(wǎng)的穩(wěn)定性。Function:energystoragesystemmakesthePVsystemastableoutputsystem,anditprovidessupportthegridbyfastadjustmentwhennecessary,whichgreatlyeaseslocalpressurethegridandimprovesthe難點:通過對電網(wǎng)結構及負荷平衡需求，合理配置儲能單元容量。Difficulty:allocatestheenergystorageunitcapacitybythebalanceneedsofgridandload2儲能并網(wǎng)系統(tǒng)及案例2儲能并網(wǎng)系統(tǒng)及案例EnergyStorageGridConnectedSystem&Case二連浩特可再生能源微電網(wǎng)示范項目—負荷就地平衡Renewableenergymicrogriddemonstrationproject-localloadbalance(ErLianHaoTe)系統(tǒng)組成：370MW風電系統(tǒng)+50MW光伏系統(tǒng)+50MW光熱系統(tǒng)+24MW固體磚蓄熱系統(tǒng)+10MW儲能系統(tǒng)（配置80MWh全礬液流電池）System:370MWwind+50MWPV+50MWCSP+24MWsolidbrickthermalstoragesystem+10MWenergystoragesystem(80MWhflowbattery)作用：通過儲能系統(tǒng)快速充放電特性，滿足區(qū)域微電網(wǎng)系統(tǒng)新能源出力與負荷的平衡，同時區(qū)域微電網(wǎng)系統(tǒng)與電網(wǎng)相連，滿足系統(tǒng)調(diào)峰需求。Function:Throughthefastchargeanddischargeinenergystoragesystem,thebalanceofnewenergyoutputandloadtheregionalmicrogridcanbemet,whiletheregionalmicro-gridsystemisconnectedtothegridtomeetthesystempeakload.2儲能并網(wǎng)系統(tǒng)及案例2儲能并網(wǎng)系統(tǒng)及案例EnergyStorageGridConnectedSystem&CaseDistributedpowersupply+energystoragesystem分布式電源全部就地消納具有較好的經(jīng)濟效益，同時利用儲能系統(tǒng)每天“兩充兩放”的特性，合理利用階梯電價，提高系統(tǒng)效益。WiththedistributedPVgridpricesandtheenergystoragesystemcostdecreasingeveryyear,thereisgoodeconomicbenefittobuildthedistributed+energystoragesystemtoachieveallthelocalpowerconsumption,andbecausetheenergystoragesystemchargesanddischargestwiceeveryday,thesteptariff,ifwellemployed,canincreasethesystembenefit.通過能量管理系統(tǒng)控制分布式電源+儲能系統(tǒng)平滑輸出，減小外部氣象條件對分布式電源輸Achievingsmoothoutputfromthedistributedpowersupply+energystoragesystembytheenergymanagementsystem,reducingtheimpacttothedistributedpoweroutputfromtheexternalweatherconditionsandimprovingthequalityofpowersupply.式，保持重要負荷連續(xù)供電/或者利用儲能系統(tǒng)代替企業(yè)原有設計起到后備電源（UPS）的作用。Whenthegridbreaksdown,themicrogridsystemthatiscomposedofthedistributedpowersupply+energystoragesystemautomaticallyswitchestostand-alonemode,whichmaintainscontinuouspowersupplyorusesenergystoragesystemtoreplacetheUPSintheoriginaldesign.2儲能并網(wǎng)系統(tǒng)及案例2儲能并網(wǎng)系統(tǒng)及案例EnergyStorageGridConnectedSystem&Case光儲柴智能微電網(wǎng)示范PV-Diesel-BESSmicrogridsystem系統(tǒng)組成：3MW光伏系統(tǒng)+3個1.5MW/3MWh的儲能系統(tǒng)+柴油發(fā)電機組3MWPVsystem+31.5MW/3MWhenergystoragesystem+dieselgeneratorset儲能系統(tǒng)作用：按照每天“兩充兩放”的模式設計，在夜間低谷電價充電，峰值電價放電，同時配合光伏發(fā)電系統(tǒng)在光伏出力高峰期/段放電；儲能系統(tǒng)可以代替企業(yè)UPS保障精密機房設備連續(xù)供電。Functionofenergystoragesystem:bythedaily"twochargeandtwoput"design,chargeduringnightwhenthepriceisatthelowestanddischargeatpeaktime;EnergystoragesystemsupplycontinuouselectricityandreplaceUPS.2儲能并網(wǎng)系統(tǒng)及案例2儲能并網(wǎng)系統(tǒng)及案例EnergyStorageGridConnectedSystem&Caseenergycenter北京漢能清潔能源中心光儲聯(lián)網(wǎng)示范項目BeijingHannengrenewableenergycenter系統(tǒng)組成：321kW光伏系統(tǒng)+500kWh鋰電池儲能系統(tǒng)321kWPVsystem+500kWhLibatteryenergystoragesystem儲能系統(tǒng)作用：分布式電源及儲能系統(tǒng)在0.38kV母線匯集后，可通過快速開關與大電網(wǎng)聯(lián)網(wǎng)荷連續(xù)供電。Functionofenergystoragesystem:distributedpowersupplyandenergystoragesystemjoinonthe0.38kVbus,andtheycanbeconnectedtogridviafastswitchingdevice,andcanalsobeswitchedtostatus,whengridbreaksdown,itautomaticallyswitchestostand-alonemode,tomaintain3光儲微網(wǎng)系統(tǒng)及案例3光儲微網(wǎng)系統(tǒng)及案例EnergyStorageMicrogridConnectedSystem&Case交流母線的儲能微網(wǎng)系統(tǒng)EnergystoragemicrogridsystemforACbusoad.能量管理系統(tǒng)EMS特點：分布式發(fā)電單元配置逆變器、儲能單元配置儲能逆變器PCS，各個單元在交流母線側(cè)匯集，統(tǒng)一向負荷供電的系統(tǒng)。Features:theinverterforthedistributedpowerblock,theinverterPCSfortheenergystorageunit,andallunitsjoiningontheACbusside,supplyingpowertotheload.能量管理系統(tǒng)EMS交流母線bus儲能系統(tǒng) 光伏發(fā)電系統(tǒng)PVsystemEnergystoragesystem3光儲微網(wǎng)系統(tǒng)及案例3光儲微網(wǎng)系統(tǒng)及案例EnergyStorageMicrogridConnectedSystem&Case交流母線接線設計案例--西藏措勤縣風光柴儲微網(wǎng)示范項目DesignofACBusbarConnection-CaseStudy,QichengCounty,Tibet海拔高度Altitude4800m多能互補：441kW光伏發(fā)電系統(tǒng)+60kW風力機組+1.2MWh鉛酸蓄電池組+300kWh鋰電池組+1臺備用柴油發(fā)電機Various-energycombination:441kWPV+60kWwind+1.2MWhlead-acidbatterypack+300kWhlithiumbatterypack+1standbydieselgenerator分布式電源及儲能系統(tǒng)采用0.38kV母線匯集，再升壓至10kV，與措勤縣水電站并網(wǎng)運行，提高供電可靠性，并可在枯水期離網(wǎng)運行，保障措勤縣重要負荷的供電Distributedpowersupplyandenergystoragesystemusing0.38kVbuscollection,andthenincreasingtoconnecttothehydropowergridinCuoqinwhichimprovesthereliabilityofpowerandrunsinthedryseasontoensurethepowersupplytoimportantloadsinCuoQin3光儲微網(wǎng)系統(tǒng)及案例3光儲微網(wǎng)系統(tǒng)及案例EnergyStorageMicrogridConnectedSystem&Case交流母線接線設計案例--青海省玉樹州治多縣光儲微網(wǎng)示范電站海拔高度4200mACbuswiringdesigncase-YushuCounty,QinghaiProvince,ZhiduoCounty,lightstoragenetworkdemonstrationpowerstation,altitude:4200m2.4MW光伏發(fā)電系統(tǒng)+14.4MWh2.4MWPV14.4MWhleadacidbattery光伏發(fā)電系統(tǒng)與儲能系統(tǒng)采用10kV母線匯集后，統(tǒng)一輸出與當?shù)厮娬镜牟⒕W(wǎng)運行，提高供電可靠性，并可在枯水期離網(wǎng)運行，保障治多縣重要負荷的供電。PVsystemandenergystoragesystemjoiningon10kVbus,connecttolocalhydro-grid,whichimprovesthereliabilityofpowersupply,andenablesthesystemtooperateduringthedryseason,ensuringthepowersupplytotheimportantloadsinmultiplecounties.3光儲微網(wǎng)系統(tǒng)及案例3光儲微網(wǎng)系統(tǒng)及案例EnergyStorageMicrogridConnectedSystem&Case混合母線的儲能微網(wǎng)系統(tǒng)Energystoragemicrogridsystemofmixedbus特點：儲能單元通過控制器與分布式單元在直流側(cè)并網(wǎng)，再統(tǒng)一由逆變器輸出交流電源向負荷供電的系統(tǒng)。Features:TheenergystorageunitconnectstothedistributedunitviacontrollerontheDCsideofthegrid,andthensupplyACoutputtotheloadsviainverter.控制器Controller用電負載Load光伏發(fā)電方陣PVarray儲能電池Battery光儲微網(wǎng)系統(tǒng)及案例EnergyStorageMicrogridConnectedSystem&Case3光儲微網(wǎng)系統(tǒng)及案例EnergyStorageMicrogridConnectedSystem&Case3海拔Altitude3980m2MW光伏電站+15.2MWh2MWPV+15.2MWhbatterypack光伏發(fā)電通過充電控制器在直流側(cè)對蓄電池進行充電，光伏和蓄電池組統(tǒng)一升壓至35kV后接入玉稱電網(wǎng)和當?shù)厮娬净パa運行。PVchargesbatteryontheDCsideviachargerPVaswellasthebatterypackboostto35kVandconnecttogridandlocalhydropowerplant.本電站能為玉樹地區(qū)提供3.8小時穩(wěn)定的2MWTheplantcanprovidestableelectricityof2MWfor3.8hours,playinganimportantroleinrelievinglocalpressureofpowersupplyandstabilizingthegridoperation.3光儲微網(wǎng)系統(tǒng)及案例3光儲微網(wǎng)系統(tǒng)及案例EnergyStorageMicrogridConnectedSystem&Case混合母線接線設計案例--河北電力科技園光儲熱一體化示范工程Mixedbuswiringdesigncase-IntegrationofSolarandThermalStorageproject,HebeiElectricPowerScienceandTechnologyPark主微網(wǎng)MainMicrogridDCmicrogrid

交流子微網(wǎng)(1)150kWPVpowerblock(2)250kWh儲能單元storageunit(3)50kW×10s的超級電容Supercapacitor(4geo-thermalpumpsystem建設光伏發(fā)電、儲能、地源熱泵一體化微電網(wǎng)，實現(xiàn)綠色園區(qū)可再生能源的綜Constructionenergystorageandgeo-thermalpumpmicrogrid,achievecomprehensiveutilizationofrenewable3光儲微網(wǎng)系統(tǒng)及案例3光儲微網(wǎng)系統(tǒng)及案例EnergyStorageMicrogridConnectedSystem&Case混合母線設計案例--西藏自治區(qū)自然科學博物館兆瓦級光伏儲能示范電站Mixedbuswiringdesigncase-Megawatt-classPVstoragedemonstrationpowerplantintheNaturalScienceMuseum,Tibet1MW光伏+1MWh蓄電池組1MWPV1MWhbatterypack800kW光伏接入博物館低壓母線，200kW光伏和蓄電池組以及自同步電壓源逆變器組成自同步發(fā)電系統(tǒng)。市電情況下直接并網(wǎng)，無電情況下組建博物館內(nèi)部的微型電網(wǎng)為博物館負荷提供800kWPVaccesstothemuseumlow-voltagebus200kWPVandbatteryaswellasself-synchronousvoltagesourceinverterconstructstheself-synchronouspowergenerationsystem,directlyconnectingtothemunicipalgrid,andprovidepowertothemuseumloadsinthemuseuminthecaseof本工程改善了博物館電力能源結構的合理性，對博物館小電網(wǎng)形成有效補充，而微電網(wǎng)的建設Thisprojectimprovestherationalityoftheelectricpowerstructureofthemuseum,provideseffectivesupplementtothesmallgridofthemuseum,andthemicro-grideasethepowersupplysituationtoacertainextent.4物理儲能系統(tǒng)及案例PhysicalEnergyStorageStorageSystem&Case4Electricalthermalstorage能或夜間的低谷電，通過熔鹽加熱器將低溫熔鹽加熱成高溫熔鹽，高溫熔鹽將熱量傳遞給循環(huán)熱水，從而產(chǎn)生水蒸氣，進行供暖。在供熱過程中避免了傳統(tǒng)鍋爐供暖模式，降低了環(huán)境污染及取暖成本。ElectricalthermalstoragesystemusesmoltensaltstorageappliedinheatMoltensaltstorageusestheabandonedwindandsolarbyheatingupthelow-tempsalttohigh-tempsaltviamoltensaltThehigh-tempsaltpassesheattothecirculatinghotwaterandgeneratessteam.Thisprocessavoidstraditionalboilerandreducespollutionandtheheatingcost.電儲熱案例中投億星辛集熔鹽儲能綠色供暖項目Case:Electricalthermalstorage,moltensaltheatingproject,ZhongTouYiXing4物理儲能系統(tǒng)及案例PhysicalEnergyStorage4StorageSystem&CaseElectricalstorageandcaseheregulationtheheaton.nthemeantimetheheatisreleeweatherconditionbythefast電儲熱系統(tǒng)采用固體儲熱技術，應用于供暖方面，在預設的電網(wǎng)低谷調(diào)峰時段或風力發(fā)電的棄風電時段，自動控制系統(tǒng)接通高壓開關，高壓電網(wǎng)為高壓電發(fā)熱體供電，高壓電發(fā)熱體將電能轉(zhuǎn)化為熱能，同時被高溫蓄熱體不斷吸收，當高溫蓄熱體的溫度達到設定的上限溫度或電網(wǎng)低谷時段結束或風力發(fā)電棄風電時段結束時，自動控制系統(tǒng)切斷高壓開關，高壓電網(wǎng)停止供電，高壓電發(fā)熱體停止工作。高溫蓄熱體通過熱輸出控制器與高溫熱交換器連接，通過調(diào)節(jié)變頻風機的頻率，高溫熱交換器將高溫蓄熱體儲存的熱能在24小時連續(xù)均勻地釋放到熱網(wǎng)循環(huán)水中。同時通過快放功能，可放熱，以適應極端天氣溫度下的熱網(wǎng)調(diào)節(jié)。ThethermalstoragesystemadoptssolidheatstoragewhichisusedinheatInthepresetgridpeakadjustingperiodorthewindpowergenerationperiod,theautomaticcontrolsystemisconnectedwithhigh-voltswitch,thehighvoltagegridsuppliesthehighvoltageThehigh-voltageheatingelementconvertstheelectricalenergyintothermalenergyandiscontinuouslyabsorbedbythehigh-tempheatWhenthetemperaturethehigh-tempheataccumulatorreachestheupperlimitthesettemperatureorthegridtroughendsortheperiodabandonedwindpowerends,theautomaticcontrolsystemcutsthehigh-voltswitch,high-voltagegridstopsthepowerandthehigh-voltageheatingelementstopsworking.Thehigh-tempheatingaccumulatorconnectsthehigh-tempheatexchangerviathebyadjustingthefrequencythevariable-frequencythehigh-tempheatexchangerreleasestheheatstoredinthehigh-tempaccumulatorintothecirculatingwatercontinuouslywithin24hours.I asedtomeett supplynetworkheregulationtheheaton.nthemeantimetheheatisreleeweatherconditio