Kusintha kwa Katundu ndi Kusungirako Mphamvu: Njira ndi Ubwino

Bilu yanu yothandizira imanena nkhani yomwe oyang'anira malo ambiri sangakonde kuwerenga. Pakati pa mtengo wamagetsi ndi mtengo wofunidwa ndi nambala yomwe ilibe chochita ndi kuchuluka kwa magetsi omwe mwagwiritsa ntchito-ndi chilichonse chokhudzalitimudachigwiritsa ntchito. Kufuna kwa mphindi 15 kukukwera nthawi ya 4:30 PM Lachiwiri? Zangokhazikitsa mtengo wanu wa mwezi wonse.

Kusintha kwa katundu ndi batire mphamvu yosungirako kumatembenuza vutolo pamutu pake. Mabizinesi akugwiritsa ntchitomachitidwe osungira mphamvu za batrikusunga magetsi otsika mtengo-ndikuwathitsa mitengo ikakwera kwambiri. Kusiyanaku kumawonekera pachimake choyamba chamalipiro. Tikuwona makampani akutsitsa mtengo wamagetsi ndi 15 mpaka 40 peresenti -ndi zochunira zokonzedwa bwino za BESS-komanso kusunga ndalama pamene ogwiritsira ntchito akuphunzira kukonza{7}}ndalama zawo zolipiritsa/kutulutsa magetsi m'miyezi ingapo yoyambirira.

Kodi Kusintha Kwa Katundu Kumatanthauza Chiyani Mu Malo Osungira Mphamvu Za Battery

Kusintha katundu kumapangitsa kugwiritsa ntchito magetsi kuchoka pa nthawi yokwera kwambiri kufika pamtengo wotchipa-mawindo apamwamba kwambiri. Simugwiritsa ntchito mphamvu zochepa-mumakonzanso zikatha. Lingaliro lake ndi losavuta-kuyitanitsa batire pa $0.08/kWh usiku wonse, kuitulutsa pa $0.25/kWh masana{7}}koma zimasokonekera ndi njira ziwiri zogwirizana.Kumeta pachimakeimalimbitsa mphamvu yanu yapamwamba kwambiri kuti muchepetse mtengo wofunikira.Kuwongolera katunduimakulitsa mbiri yanu yogwiritsira ntchito tsiku lonse. Kusintha kwa katundu kumatenga nthawi-ya-kusiyana kwa mtengo: ma kilowatt{3}}maola ofanana, bilu yosiyana kwambiri.

Nthawi-yo{1}}mitengo yakhala yokhazikika m'misika yambiri yaku US. Mitengo yamasana ndi madzulo imakwera kuwirikiza katatu kuposa mitengo yausiku-nthawi zina kumadera monga California ndi Massachusetts. Makina osungira mabatire amalipira pamawindo otsika mtengowo ndikutulutsa mphamvu zosungidwa mitengo ikakwera. Ntchito siziyima. Gululi likuwona kupsinjika pang'ono. Biluyo ikutsika.

Momwe BESS Tekinoloje Imapangitsira Kusintha Kwakatundu Kukhala Kothandiza

Kusintha kwa katundu monga lingaliro lakhalapo kuyambira 1930s. Koma zambiri mwa mbiri imeneyo, zida zomwe mabizinesi amapeza zinali zochepa kwambiri-mwina kuchepetsa katundu ndi kutaya zokolola, kapena kuyendetsa jenereta wa dizilo ndi mtengo wake wonse wamafuta ndi mpweya wake. Zomwe zidasintha chilichonse chinali chemistry ya batri ya lithiamu iron phosphate (LFP) yomwe idagunda malonda.

Kenako mtengo wokhotakhota udachita zake. Makapu a batri adachoka pa $1,100/kWh mu 2010 kufika pansi pa $140/kWh pofika 2023 (BloombergNEF). Nthawi zobweza zamachitidwe osungira mphamvu za batri zamalondaanafika mu zaka 3.5 mpaka 5. Ndiwo nambala yomwe ma CFOs amamvetsera.

Kusintha Katundu Wamalonda ndi Mafakitale ndi Kusungirako Battery

Sikuti malo aliwonse amapeza kubweza komweko. Zachuma zimatengera zinthu zitatu: kuchuluka kwa mtengo wanu, mbiri yanu ya katundu, komanso kusinthasintha komwe mumakhala nako pokonzekera ntchito.

Ntchito Zopanga ndi Zamakampani

Apa ndi pamene chuma chimavuta kwambiri. Pamtengo wamba wamagetsi amagetsi, zolipiritsa zofunidwa zimapanga 30 mpaka 50 peresenti ya chiwonkhetso. Mafakitole opangira zitsulo, kutulutsa mapulasitiki, kusungirako madzi ozizira, kapena kukonza zakudya zonse zimakumana ndi vuto lomwelo: 15-kuchuluka kochuluka kwa 15-kuchuluka kofunidwa pakusintha kosintha kapena kuyambitsa zida kumabweretsa mtengo wanthawi yonse yolipira. Ola limodzi loyipa, masiku 30 a mitengo yokwera.

Kukonzekera kumagwira ntchito kwambiri kuposa momwe kumamvekera. Sakanizani zoyambira zanu za kompresa ndi zotengera kuti zisajambuke nthawi imodzi. Sinthani preconditioning ya HVAC kukhala maola ausiku pomwe mitengo ili yotsika kwambiri. Kenako lolani BESS kuti itenge chilichonse chamasana chatsala. Malo omwe ali ndi kuchuluka kwamphamvu kwa 1.5 MW atha kukhazikitsa batire ya 1 MWh ndikumeta 400-500 kW kuchoka pamenepo. Pa $18/kW/mwezi pamtengo wofunidwa, ndiyo $7,200–$9,000 yomwe imachotsedwa mwezi uliwonse{{14}kuposa $86,000 pachaka tisanawerengere mphamvu yamagetsi. Tawonapo zomera zikubweza malipiro pasanathe zaka zinayi ndi mbiri yotere, nthawi zina mofulumira pamene zolimbikitsa za boma zikusewera.

Kusungirako kozizira kumayenera kutchulidwa mwapadera. -ziziziritsani mosungiramo usiku wonse pa $0.06–0.08/kWh, ndiyeno mulole kutentha kwa nyumbayo kupitirire kutentha pawindo la masana mitengo ikakwera katatu. Batire imagwiranso ntchito zina zamakina panthawi imeneyo. Ma compressor amayenda movutikira. Mtengo wofuna ukutsika. Ndi imodzi mwa ntchito zoyera kwambiri chifukwa nyumbayo yokha imakhala gawo la njira yosungiramo zinthu.

Makampasi Azamalonda ndi Nyumba Zamaofesi

Kusagwirizanaku kumakhala koseketsa pamapepala. Malo ochitira zamalonda okhala ndi solar pamwamba padenga amapanga zinthu zambiri masana{1}}pamene anthu amakhala ochepa, zoziziritsa zimakhala zochepa, ndipo magetsi ndi otchipa. Popanda kusungirako, zotsalazo zimatumizidwa kunja pamtengo wolakwika wa mita kapena sizipita kulikonse. BESS imagwira dzuŵa masanawa, kuligwira, ndikukankhira kunja nthawi ya 5:30 PM pomwe aliyense abwerera, AC ikugwedezeka, ndipo mitengo ya TOU imafika pamlingo wawo watsiku ndi tsiku. Kampasi ina yomwe tidawunika idasuntha 25 peresenti yazomwe zimagwiritsidwa ntchito m'mawindo otsika mtengo ndikuchepetsa mtengo wamagetsi pachaka ndi masauzande a madola popanda kuchepetsa kugwiritsa ntchito konse. Mtengo wa arbitrage.

Ntchito za Gridi ndi Zothandizira-Sikeleni Mapulogalamu

Magulu akugwiritsanso ntchito njira imeneyi-makamaka m'madera omwe ma gridi akukalamba kapena kuloŵa komwe kungawonjezeke kukuposa momwe amafunira.Containerized BESSkuika pamlingo wogawira kungathe kulepheretsa kukweza kwa substation komwe kukanatha kufika makumi mamiliyoni. International Renewable Energy Agency imayika kuchepetsedwa kwa kufunikira kofikira mpaka 20 peresenti m'misika yomwe ili ndi kulowera kowonjezereka.

BESS Technology ndi Sizing for Load Shifting Application

Chemistry ya batri ndiyofunikira. Koma momwemonso kasamalidwe ka mphamvu kamakhala pamwamba pake, komanso ngati phukusi lonse liri lolingana ndi mbiri ya katundu weniweni-osati yongoyerekeza yochokera kumalo ogulitsa.

Kwa zipangizo zofananiramitundu ndi ukadaulo wamakina osungira mphamvu, LFP yakhala yosasinthika pa -mapulogalamu apanjinga atsiku ndi tsiku. Palibe cobalt imatanthauza maunyolo okhazikika. Moyo wozungulirawu umaposa NMC ndi 40–60 peresenti m'malo-padziko lonse lapansi osakhazikika. Ndipo malire achitetezo-270℃thermal runaway threshold motsutsana ndi NMC's ~150 degrees -amapanga kusiyana koonekeratu pakulemba inshuwaransi ndikuloleza, makamaka pamasamba oyandikana ndi nyumba zomwe anthu amakhalamo.

Gawo la EMS ndipamene ndalama zimakongoletsedwa. Dongosolo{{1}lokonzekera bwino la mphamvu zoyendetsera magetsi limalondola kuchuluka kwa zinthu zomwe zimagwiritsidwa ntchito, data yanyengo, momwe malo akuchulukira, ndi momwe mabatire akulipirira, kusintha nthawi yolipirira/kutulutsa mu nthawi yeniyeni kuti mujambule kufalikira komwe kungathe kuphonya. Ma algorithms odziwiratu amatha kusokoneza kuyambika kwa zida, kulunzanitsa kutulutsa ndi ma curve a sola, ndi kuwongolera ndalama zatsiku ndi tsiku motsutsana ndi kuwonongeka kwa ma cell kwa nthawi yayitali-. Kodi pali kusiyana kotani pakati pa chowerengera nthawi{{5}chotengera chowongolera ndi EMS yolosera? Nthawi zambiri 20-30 peresenti mu ndalama zapachaka kuchokera ku hardware yomweyo.

Masinthidwe Odziwika a BESS pa Kusintha Kwa Katundu

Kukula kumadalira mbiri ya katundu, koma izi ndi momwe zimakhalira:

Malonda ang'onoang'ono mpaka -akukula (100–500 kWh):Machitidwe a nduna zakunja amagwira ntchito bwino pano. Polinovel'snduna zakunja BESSmu 60 kW / 121 kWh mpaka 125 kW / 241 kWh zimatengera maola 2-4 akufunika kuthana ndi nyumba zambiri zamalonda. Amakwanira m'malo oimikapo magalimoto, padenga la nyumba, kapena mayadi amawongoleredwa, amalumikizana ndi mapanelo amagetsi omwe alipo kale osakonzekera bwino malo, ndi sitima yapamadzi yokhala ndi BMS yophatikizika, kuziziritsa kwamadzi, ndi kupondereza moto{7}}palibe{8}}palibe zambiri{8}}zophatikizana kumutu kwa mavenda pamalopo. Kabati ya 200 kWh yophatikizidwa ndi inverter ya 100 kW imameta 100 kW kuchoka pamasana anyumba. Ngati mtengo wofuna kwanu ndi $15/kW/mwezi, kusuntha kumodzi kokhako kumapulumutsa $1,500/mwezi.

Mafakitale ndi kampasi yayikulu (1 MWh+):Containerized systems. Polinovel 20-yokhala ndi chidebe cha mapazi 1–2 MWh ya mphamvu ya LFP yokhala ndi makina osinthira mphamvu ya 500 kW tsiku lililonse kwa zaka zopitirira khumi. Zambiri-zotumiza zimafika pa 5 MWh ndi kupitirira apo. Mayunitsiwa amakhala ophatikizika-ma battery racks, PCS, thermal management, fire suppression, ndi BMS zonse zoyezedwa ndi fakitale musanatumize. Kutumiza nthawi zambiri kumatenga milungu, osati miyezi yomwe mungakhale mukugwirizanitsa mabatire osiyana, inverter, ndikuwongolera ogulitsa.

Kupirira Mphamvu: Bonasi Yomangidwa-Mukati

Katundu-yosinthira BESS ili kale ndi njira zopezera mphamvu zosunga zobwezeretsera. Gridi ikazimitsidwa, mabatire omwewo omwe nthawi zambiri amawonjeza kuchuluka kwa kuchuluka kwa ndalama zomwe angakwanitse amapangitsa kuti zinthu ziziwayendera bwino-zipatala, malo opangira data, kuthira madzi, kupanga mosalekeza. Kuonjezera kuthekera kosunga zosunga zobwezeretsera pamakina omwe alipo kale kumawononga kachigawo kakang'ono ka kutumiza zosunga zodziyimira zokha. Lumikizani ndi-malo a solar ndipo dongosololi likhoza kukhazikika kwathunthu.

Izi sizomwe zimayendetsa zachuma pama projekiti ambiri. Koma zimasintha kuwerengetsera kwachiwopsezo, makamaka kwa malo omwe{1}}kutha kwa maola anayi kumawononga ndalama zambiri kuposa batire yokha.

Kupanga Mlandu Wazachuma wa BESS Load Shifting

Kokani ndalama zothandizira. Alekanitse zolipiritsa zofunidwa ndi mtengo wamagetsi. Pezani ndondomeko yanu ya TOU ndikuwona kufalikira kwapakati-ndi mazenera otsika-otsika. Kenako dziwani za miyezi 12 ya data ya interval meter-zothandizira zambiri zimapereka data ya mphindi 15 kapena ola lililonse kudzera pa intaneti.

Nachi chitsanzo ntchito. Tinene kuti muli ndi malo opangira 200,000 sq ft ku Texas omwe amafunidwa kwambiri ndi 2 MW, mtengo wofunikira wa $14/kW/mwezi, ndi $0.12/kWh kufalikira pakati-papamwamba ndi{7}}mitengo yapamwamba. Mumayika BESS yokhala ndi 1 MWh / 500 kW.

Dongosolo limameta 400 kW kuchoka pachimake chanu pamwezi. Pa $14/kW, ndiye $5,600/mwezi wowongoleredwa wokha-$67,200 pachaka. Layer on energy arbitrage: kukwera njinga 1 MWh tsiku lililonse pa $0.12/kWh ndi 90% yozungulira-kuyenda bwino kumabweretsa pafupifupi $27,000/chaka pamasiku 250 ogwirira ntchito. Kuphatikiza ndalama zosungira pachaka kuzungulira $94,000. Potsutsana ndi mtengo wokhazikika wa $350,000–$400,000, mukuyang'ana kubweza kwa zaka 4 mpaka 4.5 musanakulimbikitseni. Lemberani Ngongole Yamsonkho ya Investment ndipo imatsika mpaka zaka zitatu.

Fufuzani mapulogalamu oyankhidwa pamwamba. Zothandizira zina zimalipira $50–$200/kW/chaka pakutha kwa batire yolembetsa. Padongosolo la 500 kW, imeneyo ndi $25,000–$100,000 mu ndalama zapachaka kutengera msika ndi kapangidwe ka pulogalamu.

Kwa mabungwe okonzekera-ntchito zazikulu zosungira mphamvu ya batire, chuma chikuyenda bwino. Mitengo ya batri ikutsikabe. Kusiyana kwamitengo pakati pa nsonga zatsiku ndi tsiku ndi mawindo ausiku akukulirakulira m'misika yambiri. Makhalidwe onsewa amakankhira nthawi yobwezera kukhala yayifupi.

Momwe Mungayambitsire Ntchito Yosinthira Katundu ndi BESS Yoyenera

1. Yambani ndi deta, osati zida.Yendetsani kupenda mphamvu, kugwiritsa ntchito mapu ndi ola, ndikuzindikira kuti ndi katundu ati omwe angasunthe popanda kusokoneza kupanga. Odziwika bwino akuphatikizapo HVAC preconditioning, kutentha madzi, EV fleet charger, ndi batch processing. Malo ena amapeza kuti 30-40 peresenti ya kuchuluka kwawo komwe amafunikira amachokera ku njira zomwe zimatha kusinthira nthawi yosiyana. Ena amapeza kuti nsonga zawo zatsekeredwa pamakonzedwe opanga, zomwe zikutanthauza kuti batire iyenera kusuntha kwathunthu.
2. Kukula kwa delta yofunikira, osati kumwa kwathunthu.Gulu la mainjiniya a Polinovel limachita izi pafupipafupi-kusanthula data ya mita, kutengera mtengo wazomwe akufuna komanso kusungitsa ndalama mosiyanasiyana, ndikutchula nduna yoyenera kapena makina osungira malo. Malo omwe amagwiritsa ntchito 50,000 kWh / mwezi safunikira batire yayikulu. Zingangofunika 200 kWh kuti muchepetse kuchuluka kwa ndalama zomwe zikuyendetsa 35 peresenti ya biluyo. Zolakwa zazikulu zimachitika makina akakula mochulukira kutengera kuchuluka kwa kWh m'malo mwa kuchuluka kwenikweni-ku-kutseka-kusiyana kwakukulu.
3. Tsimikizirani kutsatira malamulo musanagule.Onetsetsani kuti makina anu ali ndi satifiketi ya UL 9540 ndi data ya UL 9540A yoyeserera moto-izi zimakhudza mwachindunji nthawi yololeza komanso kuyenerera kwa inshuwaransi. Polinovel systems imatumiza ndi zonse ziwiri, pamodzi ndi ma LFP cell, integrated BMS, liquid cooling, and fire suppressing, fakitale{4}}zoyesedwa ndi zokonzeka kutumizidwa pakatha milungu ingapo kuchokera pamene zitumizidwa.
4. Konzani mosalekeza mukamaliza kukhazikitsa.Tsatani ntchito mwezi uliwonse. Sinthani mazenera anu opangira / kutulutsa momwe mitengo imasinthira nyengo ndi katundu akusintha. Mapulojekiti omwe amapeza phindu labwino kwambiri ndi omwe wina akuwona dashboard{{2}osati zomwe batri imakhala pamoto ndipo palibe amene amawona ngati zokonda za EMS zikugwirizanabe ndi momwe zilili pano.