I-containerized battery energy storage system (BESS) iyiyunithi yesitoreji samandla ehlanganisiwe-yangaphambili egcinwe ngaphakathi kwesiqukathi esijwayelekile sokuthutha{1}}ngokuvamile esingamamitha angu-20-noma angu-40-amamitha ebhethri, okokusebenza kokuguqula amandla, isistimu yokulawula ibhethri, ukuphathwa kwe-thermal, kanye nokucisha umlilo konke okuhlanganiswe futhi kuhlolwe isayithi. Kunokuba kwakhiwe uhlelo olungaphansi ngalunye kusukela ekuqaleni endaweni, indlela efakwe esitsheni ipakisha yonke into ibe yimojula eyodwa ephathekayo engalethwa, ixhumeke, futhi isetshenziswe ngokushesha okukhulu kunegumbi lebhethri elakhiwe endaweni evamile.
Kumaphrojekthi ezentengiselwano, ezezimboni, kanye nezisetshenziswa{0}}zesilinganiso, lokhu kubalulekile ngoba isikhathi esizeni sithinta ngqo izindleko zephrojekthi. Umsebenzi omncane womphakathi,{2}}ekuxhumeni izintambo zesayithi, kanye{3}}nokuxhumana okuningi kohwebo okudingwa iphrojekthi, lapho ifinyelela ngokushesha ekusebenzeni kwezentengiso. Yilokho inzuzo core ukushayela ukukhulaizixazululo ze-BESS ezifakiwekuwo wonke amandla avuselelekayo, amandla ayisipele, nezinhlelo zokusebenza zegridi yamasevisi emhlabeni jikelele.
Isebenza Kanjani I-BESS Ehlanganisiwe?
Isimiso esiyisisekelo siyafana nanoma yisiphiuhlelo lokugcina amandla ebhethri: isistimu idonsa amandla kagesi ngezikhathi zesidingo esiphansi noma ukukhiqizwa okuphezulu, iwagcine kumaseli ebhethri, futhi iwakhiphe lapho amandla edingeka kakhulu. Iyunithi eneziqukathi ingase ishaje kuhlelo lwelanga phakathi nemini, idonse kugridi ngesikhathi{1}}samahora aphakeme, noma yamukele ukukhiqizwa kwemali eningi epulazini lomoya{2}}bese ikhipha ukuze ishefe inani eliphakeme lendawo, isekele imithwalo ebalulekile phakathi nokucisha, noma inikeze ukulawulwa kwemvamisa kugridi.
Okuhlukanisa ifomethi efakwe esitsheni ukupakishwa, hhayi i-electrochemistry. Wonke amamojula ebhethri-angaphansi kwesistimu, i-inverter, izilawuli, ukupholisa, nezisetshenziswa zokuphepha{2}}ziyahlanganiswa futhi njengasekuqaleni{3}}zihlolwe ngaphakathi kwesimo sezulu{4}esikalalwe esibiyelwe sensimbi ngaphambi kokuthunyelwa. Lokhu kusho ukuthi izixhumanisi zikagesi, izimiso zokuxhumana, nokusebenza okushisayo kuqinisekiswa ngaphansi kwezimo ezilawulwayo, okunciphisa ubungozi bezinkinga zokuhlanganisa ezivame ukuvela{6}}lapho kuhlanganiswe isayithi lezingxenye ezitholakala ngokuhlukene.
Yiziphi Izingxenye Ezingaphakathi Kwesitsha Se-BESS?
I-BESS ene-container ingaphezulu kakhulu kwamabhethri asebhokisini lensimbi. Kuyisistimu ehlanganiswe ngokuqinile lapho isistimu engaphansi ngayinye inendima ethile, futhi ukwehluleka kunoma iyiphi enye kungafaka engozini yonke iyunithi. Naziizingxenye eziwumgogodlaezakha isistimu yokugcina amandla efakwe esitsheni.
Amarack ebhethri namamojula
Amarack ebhethri abamba amamojula ebhethri ngamanye futhi anqume umthamo wamandla wesistimu (akalwa ngo-kWh noma MWh). Amasistimu amaningi aneziqukathi namuhla asebenzisa amaseli e-lithium iron phosphate (LFP) ngenxa yokuzinza kwawo okushisayo nempilo yomjikelezo omude, nakuba amakhemikhali e-nickel manganese cobalt (NMC) angase akhethwe lapho ukuminyana kwamandla kubaluleke kakhulu. Ukukhethwa kwekhemistri yeseli akuthinti ukusebenza nje kuphela kodwa futhi nezimfuneko zokuphatha ukushisa nomklamo wesistimu yokuphepha{2}}ngakho kungenye yezinqumo zakuqala kunoma iyiphi iphrojekthi.
Isistimu yokuguqula amandla (PCS)
Iuhlelo lokuguqula amandlailawula ukugeleza kukagesi okuphindwe kabili phakathi kwebhange lebhethri le-DC kanye negridi ye-AC noma indawo. Iphatha ukushaja, ukukhipha, ukulawula isici samandla, nokuvumelanisa igridi. Ukusebenza kahle kwe-PCS kuthinta ngokuqondile-ukusebenza kahle kohambo-amaphesenti wamandla agciniwe angabuyiselwa emuva njengamandla asebenzisekayo-ngakho ukucaciswa kwawo kubaluleke ngaphezu kwalokho amaqembu amaningi ephrojekthi aqaphela ekuqaleni.
Uhlelo lokuphatha ibhethri (BMS)
I-BMS iqapha-izinhlaka zeleveli-ze-voltage, yamanje, izinga lokushisa, nesimo sokushajwa{2}}ukugcina iseli ngalinye lisebenza ngaphakathi kwemikhawulo ephephile. I-BMS{4}eklanywe kahle yenza okungaphezu nje kwezinombolo zokubuka; ibhalansisa ngamandla ama-voltage amaseli, icuphe ukuvalwa kokuvikela lapho imingcele yeqiwe, futhi inikeza idatha yokuxilonga amaqembu okusebenza athembele kuyo-ukulandelela impilo yesikhathi eside. Izinga lamazwe ngamazweI-IEC 62619ibeka izidingo zokuphepha zamaseli e-lithium yesibili ezinhlelweni zemboni futhi ibhekana ngokuqondile nokuphepha okusebenzayo kwe-BMS njengesendlalelo esibalulekile sokuvikela.
Uhlelo lokuphatha amandla (EMS)
Ngenkathi i-BMS igxile empilweni yebhethri ezingeni leseli, i-EMS isebenza ohlelweni kanye nezinga lesizinda. Inquma ukuthi ishaje nini, ikhishwe nini, futhi ikuliphi izinga lamandla{1}ngokusekelwe kokufakwayo okufana nezindleko zikagesi, izibikezelo zokukhiqizwa kwelanga, amaphrofayili okulayisha, amasignali egridi, noma{2}}amashejuli achaziwe. Kumaphrojekthi anqwabelanisa ukusakazwa kwemali eminingi (isibonelo, ukushefa okuphezulu phakathi nosuku nokulawulwa kwemvamisa ebusuku), ingqondo ye-EMS yikho okwenza lelo su lisebenze.
Ukuphathwa kwe-Thermal (HVAC noma ukupholisa uketshezi)
Amaseli ebhethri akhiqiza ukushisa phakathi nemijikelezo yokushaja nokukhipha. Ngaphandle kokulawula okushisayo okusebenzayo, amazinga okushisa eseli angakhukhuleka ngaphandle kwewindi lokusebenza elinconyiwe lomkhiqizi, okuholela ekonakaleni okusheshayo, ukulahlekelwa amandla, futhi ezimeni ezimbi kakhulu, ukubalekela ukushisa. Amasistimu afakwe esitsheni ngokuvamile asebenzisa{2}ukupholisa umoya okuphoqelelwe nomaukupholisa uketshezi. Amasistimu okupholisa okuwuketshezi angagcina izinga lokushisa eliqinile lifana kuyo yonke irack, okubaluleke kakhulu{1}emandleni noma kuzinhlelo zokusebenza eziphakeme{2}}zezinga lokushisa{3}}eliphezulu. Ukupholisa komoya, nakuba kulula, ngokuvamile kulungele ukumiswa kokuminyana kwamandla noma izimo zezulu ezipholile.
Ukucisha umlilo kanye nezinhlelo zokuphepha
Ukucisha umlilo akuyona inketho ku-BESS efakwe esitsheni-kuyikhodi{1}}isendlalelo sokuphepha esidingekayo. Amasistimu ngokuvamile ahlanganisa ukutholwa kwegesi (ngokwesexwayiso sangaphambi kwesikhathi-sokukhipha igesi kumaseli), ukutholwa kwentuthu, izinto ezisebenza ngokuzenzakalelayo ezicisha umlilo, ukungena komoya okuphuthumayo, nekhono lokuvala ukuvala kude. ENyakatho Melika, ukufakwa kufanele kuhambisaneI-NFPA 855, indinganiso yokufakwa kwesistimu yokulondoloza amandla emile, ebhekana nokuvikelwa komlilo, isikhala, ukungena komoya, nokuhlaziywa kokunciphisa izingozi. Izinhlelo nazo kulindeleke ukuthi zibalwe kuzoI-UL9540, izinga-lezinga lokuphepha lesistimu elihlola ukuphepha kukagesi, imishini, indawo ezungezile, nomlilo njengokuphelele okuhlanganisiwe. Lawa mazinga abuyekezwa njalo-uhlelo lwango-2026 lwe-NFPA 855, isibonelo, lwenza ukuhlaziywa kokunciphisa ubungozi kube imfuneko ezenzakalelayo yokufakwa okuningi kwe-BESS.
Ukwakheka kwesitsha, ikhebula, nokufinyelela
Indawo evalekile yeziqukathi yona iklanyelwe uhlelo lokusebenza: iphansi eliqinisiwe ukuze lisekele isisindo sebhethri, izindawo zokungena zekhebula ezidizayinelwe umzila ohlanzekile, izimbobo zokungenisa umoya ezinosayizi wendlela yokuphatha okushisayo, neminyango yokufinyelela ekulungiseni evumela ochwepheshe ukuthi basevise noma bashintshe izingxenye ngaphandle kokuphazamisa lonke uhlelo. Izinqumo zesakhiwo ezenziwe phakathi nesigaba sokuklama-njengobubanzi bendawo, ukuma kwerack, nokubekwa kwethreyi lekhebula{2}}zithinta ngokuqondile ukuthi kuzoba lula noma kube nzima kangakanani isistimu ukuyinakekela phakathi neminyaka eyi-15 kuya kwengu-20 yokusebenza.
Yiziphi Izinzuzo Zesitoreji Sebhethri Esifakwe Esitshalweni?
Imigqa yesikhathi yephrojekthi esheshayo
Ngenxa yokuthi isistimu ifika esizeni sesivele sihlanganisiwe futhi{0}}sihloliwe,{1}ububanzi besayithi buncishiswa ukuze kube ukulungiswa kwesisekelo, ukuxhuma ugesi, ukusethwa kokuxhumana, kanye nokusetshenziswa. Kumaphrojekthi lapho isayithi{3}}igumbi lebhethri elakhiwe lingathatha izinyanga ezimbalwa zomsebenzi we-civil, ugesi, nowomshini, iyunithi ye-container ingafakwa futhi isetshenziswe esikhathini esingamaviki. Lesi sikhathi esihle sibaluleke kakhulu ezimakethe lapho isivinini semali engenayo{5}}noma ngabe ivela ku-arbitrage yamandla, ukuncishiswa kwezindleko zokufunwa, noma izinkontileka zesevisi yegridi{6}}zithinta ngokuqondile umnotho wephrojekthi.
I-modular, ukunwetshwa okukalayo
Uma izidingo zesitoreji zesikhungo zikhula ngokuhamba kwesikhathi, iziqukathi ezengeziwe zingangezwa eduze kwamayunithi akhona ngaphandle kokuklama kabusha ukufakwa kwasekuqaleni. Le ndlela yokwenza ngezigaba ivumela abanikazi bephrojekthi ukuthi bafanise ukusetshenziswa kwemali enkulu nesidingo sangempela esikhundleni sokwakha ngokweqile kusengaphambili. Iphinde yenze kube lula ukuthuthukiswa kobuchwepheshe besikhathi esizayo{2}}isiqukathi esisha singahlanganisa ikhemistri yeselula ebuyekeziwe noma ubuchwepheshe be-inverter obuthuthukisiwe ngaphandle kokudinga ukulungiswa kabusha kwesistimu ekhona.
Ukuhamba nokuvumelana nezimo
Amasistimu afakwe emabhokisini aklanywe azungeze ubukhulu bomkhumbi obujwayelekile, okusho ukuthi angahanjiswa ngeloli, ujantshi, noma umkhumbi kusetshenziswa ingqalasizinda yezokuthutha ekhona. Lokhu kuzenza zisebenziseke kumasayithi akude, ukuthunyelwa kwesikhashana (njengamandla okwakha noma impendulo yenhlekelele), noma amaphrojekthi lapho isistimu ingase idinge ukuthuthwa phakathi nempilo yayo yokusebenza.
Ukugcinwa okujwayelekile kanye nokuhlelwa kwezinsiza
Uma uxhaxha lwamayunithi e-BESS aneziqukathi zabelana ngomklamo ofanayo, izinqubo zokunakekela ziyaphindaphindeka. Uhlu lwezingxenye eziyisipele lungenziwa lufane, ochwepheshe besevisi bangaqeqeshwa endaweni efanayo, futhi idatha yokuxilonga ingafaniswa kuwo wonke amayunithi ukuze kuhlonzwe amathrendi okusebenza noma izinkinga ezivelayo. Lokhu kuyinzuzo engokoqobo eba yigugu kakhulu njengoba inani lamayunithi amisiwe likhula.
Izicelo Ezivamile Zezinhlelo Zesitoreji Samandla Ebhethri Efakwe Ekhonteni
Ukushintsha kwamandla elanga nomoya
Ukukhiqiza okuvuselelekayo kuyahlukahluka ngokwemvelo. I-BESS efakwe esitsheni ingakwazi ukumunca ukuphuma kwelanga noma umoya okweqile ngesikhathi samahora okukhiqiza okuphezulu futhi ikukhiphe ngezikhathi zokukhiqiza okuphansi noma isidingo esikhulu. Lokhu kuthuthukisa inani elisebenzisekayo lamandla avuselelekayo futhi, ezimakethe eziningi, kubalulekile ukuze kuhlangatshezwane nezidingo zesivumelwano sokuthenga amandla.
Ukushefa okuphezulu nokuphathwa kwezindleko zokufunwa
Ezindaweni zezentengiselwano nezimboni, izindleko zokufunwa{{0}ezisekelwe ekudonsweni kwamandla aphezulu kakhulu ngesikhathi sokukhokha{1}}zingamela u-30% kuya ku-50% wesamba senkokhelo kagesi. I-BESS-enosayizi omuhle kakhulu inganciphisa isidingo esikhulu ngokukhipha amandla agciniwe phakathi nezikhathi zokulayisha-eziphakeme kakhulu zesikhungo, ukwehlisa inani eliphakeme elilinganisiwe nokunciphisa izindleko ezihambisanayo. Funda kabanzi mayelana nokuthi kanjaniukushefa okuphezulu ngesitoreji sebhethriisebenza ngokusebenza.
Yenza isipele amandla nokuqina
Izinsiza ezingakwazi ukubekezelela ukuphela okungahleliwe-izikhungo zedatha, izibhedlela, izintambo zokukhiqiza, ingqalasizinda yezokuxhumana{1}}zingasebenzisa isitoreji esinamabhokisi njengesendlalelo esisheshayo{2}}sokuphendula esivala igebe kuze kube yilapho kuqala amajeneretha edizili noma amandla egridi abuyiselwe. Ngokungafani namajeneretha, amasistimu ebhethri aphendula ngama-millisecond futhi angakhiqizi{4}}ukukhishwa kwesayithi.
Ama-Microgrid kanye{0}}nokufakwa kwegridi evaliwe
Kuukucushwa kwe-microgrid, i-BESS efakwe esitsheni inikeza isigcinamandla samandla esivumela igridi encane ukuthi ilinganise ukukhiqiza nokulayisha ngesikhathi sangempela. Emisebenzini yezimayini ekude, imiphakathi yaseziqhingini, noma izisekelo zezempi eziya phambili, iyunithi yekhonteyina ehambisana nokukhiqizwa kwelanga noma udizili inganciphisa ukusetshenziswa kukaphethiloli futhi ithuthukise ukuthembeka kwamandla ngaphandle kokudinga ingqalasizinda engunaphakade.
Izinsizakalo zegridi nezimakethe ezisizayo
Ukufakwa kwesikali-okufakwe esikalini se-BESS kungabamba iqhaza ekulawuleni imvamisa, ku-spinning reserve, kanye nezimakethe zamandla. Izici zokuphendula ezisheshayo zesitoreji sebhethri-angaphansi{3}}amazinga erempu wesibili{4}}ayenza ifaneleke kumasevisi ahambisanayo amajeneretha ashisayo angeke akwazi ukuhlinzeka ngayo ngokuphumelelayo. Imali engenayo evela kulawa masevisi ingathuthukisa kakhulu isimo sezomnotho sokutshalwa kwezimali kwesitoreji.
I-Containerized BESS vs. Isayithi-Isitoreji Sebhethri Esakhiwe: Uyini Umehluko?
Akuwona wonke amaphrojekthi anikezwa kangcono ngendlela eneziqukathi. Ukuqonda ukuhwebelana-kuphakathi kokuqukatha kanye nesayithi{2}eyakhiwe (ebizwa nangokuthi igumbi lebhethri) kusiza amaqembu ephrojekthi enze izinqumo ezingcono ekuqaleni kwenqubo yokuklama.
| Isici | I-BESS ehlanganisiwe | Isayithi{{0}Igumbi Lebhethri Elakhiwe |
|---|---|---|
| Isivinini sokuphakelwa | Ifekthri-ihlanganiswe{1}}esheshayo futhi{2}}yahlolwa ngaphambili{2}}ngaphambi kokulethwa | Okuhamba kancane-kudinga{1}}ekwakhiweni kwesayithi,{2}}ukuxhumana okuningi |
| I-Modularity | Iziqukathi{0}ezingeziwe eziphakeme zingangezwa ngokuzimela | Ukwandiswa{0}okukhawulelwe ngokuvamile kudinga ukuklanywa kabusha kwesikhala sokuqala |
| Ukwenza ngokwezifiso | Okumaphakathi{0}}kuvinjwe ubukhulu besiqukathi nezakhiwo ezijwayelekile | -Ubukhulu begumbi obungokwezifiso obuphezulu, isakhiwo serack, kanye nedizayini yokufinyelela |
| Ukuhamba | Yakhelwe iloli, ujantshi, noma ezokuthutha ngomkhumbi | Ukufakwa unomphela-akwakhelwe ukuthuthwa |
| Ukusebenza kahle kwesikhala | Kuqiniswe ngonyawo lwesitsha (cishe u-6m × 2.4m noma 12m × 2.4m) | Ingabunjwa ukuze ilingane nendawo yokwakha etholakalayo |
| Ukufinyelela kwesondlo | Ukufinyelela kukhawulelwe ngobubanzi bendawo yesiqukathi kanye nokubekwa komnyango | Ingaklanywa ngamaphasishi abanzi nokufinyelela okuvumelana nezimo |
| Ifaneleka kakhulu | Amasayithi angaphandle, amaphrojekthi ahlukaniswe ngezigaba, izindawo ezikude, ukucushwa okujwayelekile | Izidingo zasendlini, umumo wesayithi ongajwayelekile, izidingo ezinzima zokwenza ngokwezifiso |
Ukhiye wokuthatha: I-BESS ene-container ayiphakeme kakhulu. Ihamba phambili lapho isivinini sokuphakelwa, imodemu, nokuthuthwa kuyizinto eziza kuqala. Indlela{{2}eyakhiwe ngayo isayithi ingase ibe inketho engcono uma iphrojekthi idinga ubukhulu begumbi ngokwezifiso, izakhiwo zemishini engajwayelekile, noma ukuhlanganiswa nesakhiwo esivele sikhona lapho isiqukathi singeke silingane. Amaphrojekthi amaningi amakhulu empeleni ahlanganisa zombili lezi zindlela{4}}zokusebenzisa amayunithi anesitsha sokugcina ibhethri ngokwalo ngenkathi kwakhiwa isayithi-izakhiwo ezithize ze-switchgear, ama-transformer, namagumbi okulawula.
Yini Okufanele Uyihlole Ngaphambi Kokuthumela I-BESS Ehlanganisiwe?
Ukukhetha nokuthumela i-BESS ene-container kuhilela okungaphezu kokukhetha usayizi wesiqukathi. Uhlaka olulandelayo lokuhlola luhlanganisa izindawo ezithinta ngqo ukuthi iphrojekthi iletha yini ukusebenza okuhlosiwe kanye nezinhloso zezezimali.
1. Qala nge-use case, hhayi isitsha
Iphutha elivame kakhulu lokulinganisa liqala ngokucaciswa kwesiqukathi kunezidingo zohlelo lokusebenza. Iphrojekthi yokushefa ephezulu, iphrojekthi yamandla eyisipele, kanye nephrojekthi yokuguqula amandla avuselelekayo kungase kuhilele ikhemistri yebhethri efanayo kodwa idinga amandla ahluke kakhulu-kuya{2}}izilinganiso zamandla, ubude bokukhishwa, namaphrofayela okugibela ibhayisikili. Chaza uhlobo lokusebenzisa kuqala-bese uvumela izimfuneko zobuchwepheshe zishayele ukukhetha kwesiqukathi.
2. Hlola izimo zesayithi kanye nokufinyelela
Isiqukathi esingamamitha angu-40 sikala amashumi ezinkulungwane zamakhilogremu uma sigcwele. Isiza sidinga isisekelo esikwazi ukusekela leso sisindo, imvume eyanele yokubekwa kwe-crane ngesikhathi sokulethwa, ukufinyelela emgwaqeni wezinto zokuthutha ezinkulu, kanye nebanga elanele lokuhlehla ukusuka ezakhiweni nemigqa yezakhiwo njengoba kudingwa amakhodi endawo omlilo kanye ne-NFPA 855. Amaphrojekthi anganaki ukuhanjiswa kwesayithi ekuqaleni kwesigaba sokuklama ngokuvamile abhekana nezimanga ezibizayo phakathi nokufakwa.
3. Qinisekisa ukuphepha kanye nokuthotshelwa kwemithetho
ENyakatho Melika, i-BESS efakwe esitsheni kufanele ifakwe ohlwini lwe-UL 9540, futhi ukufakwa kufanele kuthobelane ne-NFPA 855 kanye ne-National Electrical Code (NFPA 70). Ngokuya ngendawo yokulawula, izimvume ezengeziwe ezihlobene nokuphepha komlilo, umthelela wendawo, kanye nokuxhumana kwegridi kungasebenza. Ukubandakanya Isiphathimandla Sendawo Esinegunya Lokubusa (AHJ) kusenesikhathi-ngaphambi kokuthenga{6}}kungavimbela izinguquko zedizayini ezibizayo kamuva.
4. Hlela ukuhlanganiswa kukagesi
Iyunithi efakwe emabhokisini idinga ukuxhuma nengqalasizinda kagesi yesayithi: indawo yokungena yesevisi yensizakalo, i-switchgear, ama-transformer, kanye nezishintshashintshayo zelanga noma izilawuli zejeneretha. Iphuzu lokuhlanganisa okufanayo, ukuxhumanisa ukuvikela, kanye nezivumelwano zokuxhumana phakathi kwe-BESS nezinhlelo ezikhona konke kudinga ubunjiniyela obucophelelayo. Lesi akusona ipulaki-futhi{3}}isinyathelo sokudlala{4}}sidinga idizayini kagesi eqeqeshiwe.
5. Chaza amasu okusebenza nokunakekela kusenesikhathi
I-containerized BESS iyimpahla-yempilo ende-ngokuvamile edizayinelwe iminyaka engu-15 kuya kwengu-20 yokusebenza. Ukuhlelwa kwesondlo kufanele kuqale phakathi nesigaba sokuthenga, hhayi ngemva kokugunyazwa. Okucatshangelwayo okubalulekile kuhlanganisa amandla okuqapha okukude, izikhawu zokuhlola ezihleliwe, ukugcinwa kwesistimu eshisayo, ukubika impilo yebhethri, kanye nohlelo lokushintshwa kwemojuli yebhethri ekugcineni njengoba amandla ehla ngokuhamba kwesikhathi.
imibuzo ejwayelekile ukubuzwa
Ingabe i-BESS eneziqukathi iphephile?
Uma iklanywe kahle, yakhiwe, futhi yafakwa, i-BESS efakwe esitsheni iwubuchwepheshe obuphephile nobufakazelwe obusetshenziswa ezinkulungwaneni zamasayithi emhlabeni jikelele. Ukuphepha kuncike ezendlalelo eziningi: iseli-ukuvikelwa kwezinga nge-BMS, uhlelo{2}}lokuthola isitifiketi kwezinga kumazinga afana ne-UL 9540, ukucindezelwa komlilo nokutholwa kwegesi ngaphakathi kwesiqukathi, nokuthobela ukufakwa kwe-NFPA 855. Uhlelo lwango-2026 lwe-NFPA 855 luqinisa lezi zidingo zokunciphisa ubungozi ngokwenza ubungozi bokufaka.
I-BESS eneziqukathi ihlala isikhathi esingakanani?
Amasistimu amaningi aneziqukathi adizayinelwe impilo yokusebenza engu-15- kuya kwengu-20-. Amamojula ebhethri azothola ukuwohloka komthamo kancane kancane ngokuhamba kwesikhathi{10}}ngokuvamile afinyelele u-70% kuya ku-80% womthamo wangempela ngemva kweminyaka engu-10 kuya kwengu-15, kuye ngokujula kokuhamba ngebhayisikili, izinga lokushisa le-ambient, nezimo zokusebenza. Isakhiwo sesiqukathi, i-PCS, kanye nebhalansi{11}yezingxenye zesistimu ngokuvamile zidlula isethi yebhethri yokuqala, ngakho ukushintshwa kwebhethri okuphakathi nempilo kunganweba yonke impilo yesistimu.
Uyini umehluko phakathi kwe-BESS eneziqukathi negumbi lebhethri?
I-containerized BESS iyunithi-ehlangene,{1}}equkethwe yona efika esizeni isilungele ukufakwa. Igumbi lebhethri liyindawo{3}}eyakhiwe ngokwezifiso yasendlini lapho amarack ebhethri namasistimu okusekela afakwa ngawodwana esizeni. Izinhlelo ezifakwe emabhokisini zinikeza ukuthunyelwa okusheshayo kanye ne-modularity; amagumbi ebhethri anikeza ukuguquguquka okukhulu kwezakhiwo nokwenza ngokwezifiso. Ithebula lokuqhathanisa elingenhla lifingqa ukuhweba-okubalulekile.
Ingabe i-BESS eneziqukathi ingasetshenziswa-kugridi?
Yebo. I-Containerized BESS isetshenziswa kakhulu ku-off-grid kanye nezinhlelo zegridi ezibuthakathaka{2}}, ezivame ukubhangqwa namaphaneli elanga, izinjini zomoya, noma amajeneretha ediziliukucushwa kwe-microgrid. Isakhiwo esineziqukathi sisebenza ikakhulukazi kumasayithi akude lapho ukwakhiwa unomphela kunzima khona noma lapho isistimu ingase idinge ukuthuthwa khona.
Ibiza malini i-BESS efakwe esitsheni?
Izindleko ziyahlukahluka ngokuya kumthamo, ikhemistri, indlela yokupholisa, nezici zesifunda. Ngamabhentshimakhi akamuva embonini, isistimu{1}}izindleko zeleveli ye-lithium-ye-ion ene-BESS equkethe i-ion ngokuvamile ziwela ebangeni lika-$250 ukuya ku-${4}} nge-kWh ngayinye ezingeni lesistimu, kuye ngesikali nokucaciswa. Kodwa-ke, isamba sezindleko ezifakiwe-okuhlanganisa ukulungiswa kwesayithi, ukuxhuma ugesi, izimvume, nokusebenzisa{7}}kunganezela kakhulu inani lempahla. Indlela engcono kakhulu yokucela iphrojekthi-izilinganiso eziqondile ezisekelwe ezidingweni ezichaziwe zohlelo lokusebenza.
Imuphi usayizi we-BESS otholakalayo?
Amasistimu afakwe emabhokisini ayatholakala ezinhlobonhlobo zokucushwa. Iziqukathi ezincane ezingamamitha angu-20 zivamile ebangeni lika-500 kWh kuya ku-1 MWh lazoizicelo zezentengiselwano nezimboni. Iziqukathi ezinkulu ezingu-40-ezingamamitha ngokuvamile zihlinzeka ngo-2 MWh ukuya ku-5 MWh noma ngaphezulu ekusetshenzisweni kwesikali sokusetshenziswa. Iziqukathi eziningi zingafaniswa ukuze kwakhiwe amasistimu anoma yimuphi umthamo.