Koj daim nqi hluav taws xob qhia ib zaj dab neeg feem ntau cov thawj tswj hwm yuav tsis nyeem. Qhov chaw nruab nrab ntawm cov nqi hluav taws xob thiab cov nqi xav tau zaum ntawm tus lej uas tsis muaj dab tsi cuam tshuam nrog pes tsawg hluav taws xob koj siv tiag tiag -thiab txhua yam ua nrogthaumkoj siv nws. Qhov kev thov 15-feeb tau nce siab thaum 4:30 teev tsaus ntuj hnub Tuesday? Nws tsuas yog teem koj tus nqi rau tag nrho lub hli.
Load hloov nrog roj teeb lub zog cia flips qhov teeb meem ntawm nws lub taub hau. Kev lag luam yog sivroj teeb lub zog cia systemskhaws cov khoom pheej yig tawm - hluav taws xob siab tshaj plaws thiab tso tawm thaum cov nqi hluav taws xob nce siab. Qhov sib txawv yuav tshwm sim nyob rau hauv thawj lub voj voog nqi. Peb pom cov chaw lag luam rub tawm 15 mus rau 40 feem pua txo cov nqi hluav taws xob nrog zoo -tsim BESS teeb tsa- thiab cov kev txuag nyiaj raws li cov tswv lag luam kawm tau zoo - kho lawv cov nqi them / tso tawm cov sij hawm nyob rau thawj ob peb lub hlis.
Dab tsi Load Shifting txhais tau tias nyob rau hauv Battery Energy Storage
Kev hloov pauv hloov pauv hloov hluav taws xob siv hluav taws xob los ntawm cov sij hawm kim tshaj plaws kom pheej yig dua - qhov rais ncov. Koj tsis siv lub zog tsawg dua -koj rov ua dua thaum nws tau noj. Lub tswv yim yooj yim -them roj teeb ntawm $ 0.08 / kWh thaum hmo ntuj, tso tawm ntawm $ 0.25 / kWh thaum yav tav su maj -tab sis nws tau tsis meej pem nrog ob lub tswv yim cuam tshuam.Peak shavingcaps koj lub zog siab tshaj plaws los txo cov nqi thov.Load levelingflattens koj qhov profile noj thoob plaws hnub. Kev hloov pauv tshwj xeeb ua si lub sijhawm- ntawm - siv qhov sib txawv: tib kilowatt- teev, daim nqi sib txawv heev.
Sijhawm - ntawm - siv tus nqi tau dhau los ua tus qauv thoob plaws hauv Asmeskas kev lag luam feem ntau. Nyob rau yav tav su thiab yav tsaus ntuj tus nqi khiav ob mus rau peb zaug siab dua tus nqi hmo ntuj -qee zaum ntau dua hauv xeev xws li California thiab Massachusetts. Lub roj teeb cia lub kaw lus them nqi thaum lub qhov rais pheej yig thiab tso tawm lub zog khaws cia thaum tus nqi nce siab. Kev ua haujlwm tsis nres. Daim phiaj pom tsawg dua. Daim nqi poob.
Yuav ua li cas BESS Technology ua Load Shifting Practical
Kev hloov pauv raws li lub tswv yim tau nyob ib puag ncig txij li xyoo 1930s. Tab sis rau feem ntau ntawm cov keeb kwm ntawd, cov cuab yeej muaj rau ib tus neeg ua lag luam tau txwv zoo nkauj -txawm tias yuav txo qis thiab poob cov khoom lag luam, lossis khiav lub tshuab hluav taws xob diesel nrog tag nrho nws cov nqi roj thiab emissions. Dab tsi hloov txhua yam yog lithium hlau phosphate (LFP) roj teeb chemistry ntaus nqi lag luam.
| Lub neej voj voog | 5,000-6,000 cycles ntawm 80% DoD (13-15 xyoo ntawm kev caij tsheb kauj vab txhua hnub) |
| Round -kev ua haujlwm zoo | 85–95% |
| Teb sijhawm | milliseconds |
| Thermal runaway pib | 270℃(vs. ~ 150℃rau NMC)-tsawg dua kev pheej hmoo hluav taws kub, txo nqi pov hwm |
Tom qab ntawd tus nqi nkhaus tau ua nws qhov. Cov roj teeb pob tau mus los ntawm $ 1,100 / kWh hauv xyoo 2010 mus rau qis dua $ 140 / kWh los ntawm 2023 (BloombergNEF). Lub sijhawm them rov qab raulag luam roj teeb lub zog cia systemstsaws hauv 3.5 mus rau 5 xyoos. Qhov ntawd yog tus lej uas tau txais CFOs saib xyuas.
Kev lag luam thiab kev lag luam Load Shifting nrog roj teeb cia
Tsis yog txhua qhov chaw tau txais tib yam rov qab los. Kev lag luam pob khawm ntawm peb yam: koj tus nqi qauv, koj qhov profile load, thiab qhov yooj yim npaum li cas koj muaj nyob rau hauv kev teem sijhawm ua haujlwm.
Kev tsim khoom thiab kev lag luam
Qhov no yog qhov chaw nyiaj txiag nyuaj tshaj plaws. Ntawm cov nqi hluav taws xob raug siv, cov nqi thov ua rau 30 txog 50 feem pua ntawm tag nrho. Factories khiav hlau fabrication, plastics extrusion, txias cia, los yog ua zaub mov tag nrho ntsib tib yam teeb meem: ib tug 15-feeb thov nce siab thaum lub sij hawm hloov pauv los yog cov khoom pib teeb tsa tus nqi rau tag nrho lub sij hawm them nqi. Ib lub quarter-teev tsis zoo, 30 hnub ntawm kev nce qib.
Kev kho yog ua haujlwm ntau dua li nws suab. Stagger koj compressor thiab conveyor startups kom lawv tsis tas kos ib zaug. Hloov HVAC preconditioning mus rau hmo ntuj thaum tus nqi qis tshaj. Tom qab ntawd cia BESS nqus dab tsi yav tav su spike tseem nyob. Ib lub chaw khiav haujlwm ntawm 1.5 MW ncov load tuaj yeem nruab 1 MWh roj teeb thiab shaving 400-500 kW tawm ntawm qhov loj. Ntawm $18/kW/hli nyob rau hauv kev thov tsub nqi, uas yog $7,200–$9,000 khob tawm txhua txhua lub hlis-tshaj ${15}},000 ib xyoos ua ntej suav lub zog arbitrage. Peb tau pom cov nroj tsuag tau txais nyiaj rov qab nyob rau hauv plaub xyoos nrog rau qhov profile, qee zaum sai dua thaum lub xeev kev txhawb siab hauv kev ua si.
Txias cia deserves ib tug tshwj xeeb hais. Ua ntej- txias lub tsev khaws khoom thaum hmo ntuj ntawm $0.06–0.08/kWh, tom qab ntawd cia lub tsev thermal huab cua nqa kub los ntawm lub qhov rais tav su thaum daim phiaj nqi triple. Lub roj teeb tswj hwm lwm qhov chaw thauj khoom thaum lub sijhawm ntawd. Cov compressors NW nyuam qhuav khiav. Tus nqi them poob qis. Nws yog ib qho ntawm cov kev siv huv tshaj plaws vim tias lub tsev nws tus kheej dhau los ua ib feem ntawm cov tswv yim khaws cia.
Cov Tsev Kawm Ntawv Lag Luam thiab Chaw Ua Haujlwm
Qhov tsis sib haum yog yuav luag comical ntawm daim ntawv. Lub tsev kawm ntawv kev lag luam nrog lub hnub ci saum ru tsev tsim cov khoom siv siab tshaj plaws nyob rau nruab nrab- txoj cai thaum muaj neeg nyob tsawg, cov khoom txias txias yog nruab nrab, thiab hluav taws xob pheej yig. Yog tsis muaj cia, qhov nyiaj seem yuav raug xa tawm ntawm qhov tsis zoo net metering tus nqi lossis mus tsis pom qhov twg. BESS tuav lub hnub nruab nrab hnub ci, tuav nws, thiab thawb nws rov qab thaum 5:30 teev tsaus ntuj thaum sawv daws rov qab, AC yog cranking, thiab TOU tus nqi ntaus lawv cov max txhua hnub. Ib lub tsev kawm ntawv peb tau tshuaj xyuas tau tsiv 25 feem pua ntawm tag nrho cov kev siv rau cov qhov rais pheej yig dua thiab txiav cov nqi hluav taws xob txhua xyoo los ntawm kaum tawm txhiab daus las yam tsis tau txo kev siv tag nrho. Tus nqi ntshiab arbitrage.
Grid Services thiab Utility -Scale Applications
Cov khoom siv hluav taws xob tseem tab tom yuav rau hauv txoj hauv kev no ib yam nkaus -tshwj xeeb hauv thaj chaw uas cov phiaj xwm phiaj xwm laus zuj zus lossis kev nkag mus txuas ntxiv tau dhau los ntawm cov qauv xav tau.Containerized BESSkev teeb tsa ntawm theem kev faib khoom tuaj yeem ncua kev hloov kho substation uas yuav txwv tsis pub khiav mus rau kaum lab lab. Lub koom haum International Renewable Energy Agency tso qhov kev thov txo qis txog li 20 feem pua hauv kev lag luam nrog hnyav txuas ntxiv mus.
BESS Technology thiab Sizing rau Load Shifting Applications
Roj teeb chemistry tseem ceeb. Tab sis yog li ntawd puas yog lub zog tswj qhov chaw zaum saum toj ntawm nws, thiab seb tag nrho cov pob yog qhov loj npaum li cas rau qhov tseeb load profile-tsis yog qhov theoretical ib qho ntawm lub lawj muag.
Rau cov chaw sib pivzog cia system hom thiab technologies, LFP tau pib dhau los ua lub neej ntawd rau txhua hnub - kev caij tsheb kauj vab. Tsis muaj cobalt txhais tau tias cov khoom siv ruaj khov. Lub voj voog lub neej outlass NMC los ntawm 40–60 feem pua hauv tiag tiag - ntiaj teb chaw nyob ruaj ruaj. Thiab cov npoo kev nyab xeeb-270℃thermal runaway pib piv rau NMC's ~ 150℃- ua qhov sib txawv rau kev tuav pov hwm kev tuav pov hwm thiab kev tso cai, tshwj xeeb tshaj yog nyob rau ntawm qhov chaw nyob ib sab ntawm cov tsev nyob.
Cov txheej txheem EMS yog qhov chaw khaws nyiaj tau txais txiaj ntsig zoo. Ib qhov zoo- teeb tsa kev tswj hwm lub zog taug qab cov nqi siv hluav taws xob, cov ntaub ntawv huab cua, cov qauv thauj khoom, thiab lub roj teeb ntawm lub xeev, kho lub sijhawm them nqi / tso tawm hauv lub sijhawm kom ntes tus nqi sib kis uas phau ntawv teem sijhawm yuav plam tag nrho. Kev kwv yees algorithms tuaj yeem stagger cov cuab yeej pib, sync tawm nrog lub hnub ci tsim nkhaus, thiab sib npaug cov nyiaj tau los txhua hnub tiv thaiv ntev - lub sij hawm cell degradation. Qhov sib txawv ntawm lub sij hawm yooj yim -raws li tus maub los thiab EMS kev kwv yees? Feem ntau 20-30 feem pua ntawm cov nyiaj khaws cia txhua xyoo los ntawm tib lub cuab yeej.
Hom BESS Configurations rau Load Shifting
Sizing nyob ntawm qhov load profile, tab sis ntawm no yog kwv yees li cas nws tawg:
| Kev teeb tsa | Muaj peev xwm | Zoo tshaj rau | Yam Kev Thov Txiaj Ntsig |
|---|---|---|---|
| Sab nraum zoov txee | 100-500 kWh | Khw muag khoom, chaw ua haujlwm, kev tsim khoom me me | $1,000–$5,000/mo |
| Ib Lub Thawv | 1-2 MWh | Nruab nrab-loj industrial, tsev kawm ntawv | $5,000–$15,000/mo |
| Ntau-Container | 3–{1}} MWh | Kev lag luam hnyav, khoom siv hluav taws xob- nyob ib sab | $15,000+/mo |
Me me mus rau nruab nrab-size coj mus muag (100–500 kWh):Sab nraum zoov txee systems ua haujlwm zoo ntawm no. Polinovel covsab nraum zoov txee BESSnyob rau hauv 60 kW / 121 kWh rau 125 kW / 241 kWh ntau yam npog 2-4 teev ntawm kev thov offset rau feem ntau cov tsev lag luam. Lawv haum rau hauv qhov chaw nres tsheb, lub ru tsev, lossis cov chaw ua haujlwm, txuas rau cov vaj huam sib luag hluav taws xob uas twb muaj lawm nrog qhov chaw npaj tsawg, thiab nkoj nrog kev sib xyaw BMS, kua txias, thiab hluav taws kub hnyiab-tsis muaj ntau- neeg muag khoom kev koom ua ke mob taub hau ntawm qhov chaw. Lub txee 200 kWh ua ke nrog 100 kW inverter shaves 100 kW tawm ntawm lub tsev thaum tav su. Yog tias koj qhov kev thov tau them $ 15 / kW / hli, qhov kev txav ib zaug no txuag tau $ 1,500 / hli.
Industrial thiab loj lub tsev kawm ntawv (1 MWh +):Containerized systems. Tus qauv Polinovel 20-ko taw thawv tsev nyob 1-2 MWh ntawm LFP muaj peev xwm nrog 500 kW lub zog hloov pauv txhua hnub rau ntau tshaj kaum xyoo. Ntau- thawv xa tawm mus rau 5 MWh thiab tshaj. Cov chav no tuaj yeem ua ke nrog- cov roj teeb racks, PCS, thermal tswj, hluav taws kub hnyiab, thiab BMS txhua lub Hoobkas-kuaj ua ntej xa khoom. Kev ua haujlwm feem ntau yuav siv sijhawm ntau lub lis piam, tsis yog lub hlis koj yuav siv sijhawm sib koom ua ke cais roj teeb, inverter, thiab tswj cov neeg muag khoom.
Lub zog Resilience: A Built-In Bonus
Ib qho kev thauj khoom- hloov BESS twb muaj cov txheej txheem rau lub zog thaub qab. Thaum lub sij hawm hluav taws xob hluav taws xob, tib lub roj teeb uas ib txwm ua kom zoo tshaj qhov kev sib tw ua kom cov haujlwm tseem ceeb ua haujlwm - tsev kho mob, cov chaw khaws ntaub ntawv, kev kho dej, kev tsim khoom tsis tu ncua. Ntxiv kev muaj peev xwm thaub qab rau qhov system uas twb muaj lawm raug nqi ib feem ntawm kev xa tawm ib leeg thaub qab. Ua ke nrog rau ntawm - hnub ci qhov chaw thiab lub kaw lus tuaj yeem ua rau tag nrho.
Qhov no tsis yog tus tsav nyiaj txiag tseem ceeb rau feem ntau cov haujlwm. Tab sis nws hloov qhov kev pheej hmoo ntawm kev suav, tshwj xeeb tshaj yog rau cov chaw uas plaub - teev raug nqi ntau dua li lub roj teeb nws tus kheej.
Ua Cov Ntaub Ntawv Nyiaj Txiag rau BESS Load Shifting
Rub koj daim nqi hluav taws xob. Cais cov nqi xav tau los ntawm cov nqi hluav taws xob. Nrhiav koj lub sijhawm TOU tus nqi thiab sau tseg qhov sib kis ntawm siab - tus nqi thiab qis - tus nqi windows. Tom qab ntawd tau txais koj txhais tes ntawm 12 lub hlis ntawm cov ntaub ntawv ntsuas lub sijhawm luv luv- feem ntau cov khoom siv muab 15-feeb lossis ib teev cov ntaub ntawv los ntawm lawv cov portals online.
Nov yog ib qho piv txwv ua haujlwm. Hais tias koj khiav 200,000 sq ft chaw tsim khoom hauv Texas nrog 2 MW qhov xav tau siab tshaj plaws, tus nqi thov ntawm $ 14 / kW / hli, thiab $ 0.12 / kWh kis ntawm - ncov thiab ntawm - tus nqi siab tshaj. Koj nruab ib lub 1 MWh / 500 kW containerized BESS.
Lub kaw lus shaves 400 kW tawm ntawm koj lub hli siab kawg. Ntawm $14/kW, qhov ntawd yog $5,600/hli nyob rau hauv kev thov kom them nyiaj khaws cia ib leeg-$67,200 hauv ib xyoos. Txheej ntawm lub zog arbitrage: kev caij tsheb kauj vab 1 MWh txhua hnub ntawm $ 0.12 / kWh nrog 90% puag ncig-kev ua haujlwm tau zoo tshaj $ 27,000 / xyoo dhau 250 hnub ua haujlwm. Ua ke cov nyiaj khaws tseg txhua xyoo nyob ib ncig ntawm $ 94,000. Tawm tsam tus nqi tag nrho ntawm $ 350,000 - $ 400,000, koj tab tom saib 4 mus rau 4.5 xyoo them rov qab ua ntej kev txhawb siab. Thov tsoom fwv teb chaws Investment Tax Credit thiab qhov ntawd poob mus rau ib ncig ntawm 3 xyoos.
Demand response programs txheej rau saum. Qee qhov kev siv hluav taws xob them $ 50 - $ 200 / kW / xyoo rau kev tso npe roj teeb muaj peev xwm. Rau 500 kW system, qhov ntawd yog lwm $ 25,000- $ 100,000 hauv cov nyiaj tau los txhua xyoo nyob ntawm kev ua lag luam thiab cov qauv kev pab cuam.
Rau cov koom haum npajloj -teev roj teeb lub zog cia tej yaam num, kev lag luam nce ntxiv. Cov nqi roj teeb tseem poob qis. Tus nqi sib txawv ntawm txhua hnub ncov thiab lub qhov rais thaum hmo ntuj tau nthuav dav hauv ntau lub khw. Ob qho kev sib tw ua rau lub sijhawm them rov qab luv dua.
Yuav Ua Li Cas Pib Ib Qhov Kev Hloov Pauv Nrog Txoj Cai BESS
- Pib nrog cov ntaub ntawv, tsis yog khoom siv.Khiav lub zog tshawb xyuas, daim ntawv qhia kev noj ib teev, thiab txheeb xyuas cov khoom thauj twg tuaj yeem txav tau yam tsis muaj kev cuam tshuam ntau lawm. Cov neeg sib tw muaj xws li HVAC preconditioning, dej cua sov, EV fleet charging, thiab batch processing. Qee qhov chaw pom tias 30-40 feem pua ntawm lawv qhov kev thov nce siab los ntawm cov txheej txheem uas tuaj yeem hloov mus rau lwm lub sijhawm sib txawv. Lwm tus pom tias lawv qhov siab tshaj plaws raug kaw rau cov sijhawm tsim khoom, uas txhais tau hais tias lub roj teeb yuav tsum nqus tag nrho kev hloov pauv.
- Loj rau qhov xav tau delta, tsis tag nrho noj.Polinovel pawg neeg ua haujlwm ua qhov no tsis tu ncua- tshuaj xyuas cov ntaub ntawv ntsuas lub sijhawm, ua qauv xav tau tus nqi thiab kev txuag nyiaj hauv cov kev teeb tsa sib txawv, thiab qhia txog lub txee txoj cai lossis lub thawv ntim khoom rau lub xaib. Lub chaw siv 50,000 kWh / hli tsis tas yuav tsum muaj roj teeb loj. Tej zaum nws tsuas yog xav tau 200 kWh los txiav qhov kev thov nce siab tsav 35 feem pua ntawm daim nqi. Qhov kev ua yuam kev loj tshaj plaws tshwm sim thaum cov tshuab tau loj dua raws li tag nrho kWh es tsis yog qhov siab tshaj plaws -rau - tawm - qhov sib txawv siab tshaj.
- Tshawb xyuas kev ua raws cai ua ntej kev yuav khoom.Xyuas kom tseeb tias koj lub cev muaj ntawv pov thawj UL 9540 thiab UL 9540A cov ntaub ntawv ntsuas hluav taws- cov no cuam tshuam ncaj qha rau kev tso cai rau ncua sij hawm thiab kev tsim nyog tau txais kev pov hwm. Polinovel systems nkoj nrog ob qho tib si, nrog rau LFP hlwb, kev sib xyaw ua ke BMS, ua kua txias, thiab hluav taws kub hnyiab, tag nrho lub Hoobkas - sim thiab npaj rau kev ua haujlwm hauv lub lis piam tom qab xa khoom.
- Optimize tsis tu ncua tom qab nruab.Taug qab kev ua tau zoo txhua hli. Kho koj lub qhov rais them nqi / tso tawm raws li cov sij hawm hloov pauv raws caij nyoog thiab cov chaw thauj khoom hloov pauv. Cov dej num uas rub tau qhov zoo tshaj plaws rov qab yog cov uas qee tus neeg saib xyuas lub dashboard- tsis yog cov uas lub roj teeb zaum ntawm nws pib thiab tsis muaj leej twg kuaj xyuas seb EMS qhov chaw puas tseem phim tus nqi tam sim no.