Ibhethri ye-lithium iron phosphate (LiFePO4) kusistimu-eklanywe kahle yokugcina amandla ngokuvamile ihlala iminyaka eyi-10 kuya kweyi-15 yokuhamba ngebhayisikili nsuku zonke. Kodwa leyo nombolo ithatha ukuthi izinto eziningi zihamba kahle-ukuphatha ukushisa okufanelekile, ukujula koketshezi, i-BMS eyenza ngempela umsebenzi wayo, kanye nephrofayela yokuthumela engaliphathi ibhethri njengokuthi liyalahlwa. Thola noma yikuphi kwalokhu okungalungile, futhi ungase ubheke engxoxweni yokushintshanisa iminyaka emihlanu noma eyisithupha phakathi.
Lokhu kuyinto esiyibona njalo esikhaleni se-BESS. Amaphrojekthi amabili asebenzisa umhlinzeki weseli ofanayo, isilinganiso esifanayo somjikelezo we-nameplate, futhi asagcina esenesikhathi sokuphila sangempela{1}}esihluke kakhulu. Umehluko cishe njalo wehlela ezinqumweni zesistimu-zezinga, hhayi{4}}ezicacisweni zeleveli yeseli. Yilokho lo mhlahlandlela ugxile-kulokho empeleni okunquma ukuthi amabhethri e-lithium ahlala isikhathi esingakanani uma uhlelo lokusebenza luwukugcina amandla, hhayi ifoni ephaketheni lakho.
I-Lithium Battery Lifespan ngohlelo lokusebenza
| Isicelo | I-Chemistry Ejwayelekile | Iminyaka Ejwayelekile | Ibanga Lomjikelezo Ojwayelekile |
|---|---|---|---|
| Izinto zikagesi zabathengi (amafoni, amalaptop) | LiCoO₂ / LiPo | 2–4 | 300–500 |
| Izimoto zikagesi | I-NMC | 8–12 | 1,000–2,000 |
| Indawo yokuhlala ye-solar | I-LiFePO4 | 10–15 | 3,000–6,000+ |
| I-BESS yezohwebo nezimboni | I-LiFePO4 | 10–20 | 4,000–10,000 |
Igebe phakathi kwendawo yokuhlala kanye ne-C&I liwela ekuqineni kwedizayini yesistimu-ekupholiseni okusebenzayo, ukubekezelela okuqinile kwe-BMS, kanye nokuthuthukiswa kokuthunyelwa kwempahla okungavamisile ukufakwa okuncane.
Kuso sonke lesi sihloko, sizochitha isikhathi sethu esiningi kuleso sigaba sokugcina, ngoba kulapho umbuzo wesikhathi sokuphila uba yinkimbinkimbi-futhi lapho ukuwenza ngokungalungile kubiza khona imali yangempela.
Kungani Ukuphila Kwe-BESS Kungafani Nokuphila Kweseli
Abakhiqizi bamaseli bashicilela izinombolo zempilo yomjikelezo. Lezo zinombolo zivela ezimeni zelebhu-izinga lokushisa elilawulwayo, isilinganiso esingu-C esigxilile{2}}, ukujula okungaguquki kokukhishwa. Idatha ethi "6,000 cycles at 80% DoD, 25 degree" ikutshela ukuthi iseli lingenzani-ngesimo esihle kakhulu. Ayikutsheli ukuthi isistimu yakho izoletha ini esitsheni sokuhamba esihlala e-Arizona, sihamba ngebhayisikili kabili ngosuku ukuze kulawuleke imvamisa.
Impilo yesevisi yangempela ye-auhlelo lokugcina amandla ebhethrikuncike kuyo yonke iphakheji: amaseli, ukuphathwa kwe-thermal, ukuguqulwa kwamandla, isu le-BMS/EMS, kanye nephrofayela yokusebenza ebekwe uhlelo lokusebenza. Sibone amasistimu e-LiFePO4 alinganiselwe imijikelezo engu-6,000 ehla aze afike kumthamo ongu-80% ngaphansi kweminyaka emine ngenxa yokuthi isihlanganisi sishaye indiva ukupholisa. Siphinde sabona amasistimu anamaseli omjikelezo we-4,000 adlula iminyaka eyi-12 ngenxa yokuthi zonke ezinye izinqumo zedizayini zenziwa ukuvikela impilo yebhethri.
Lowo mehluko-phakathi kwempilo yomjikelezo we-nameplate kanye nempilo yesevisi elethwayo{1}}umqondo owodwa obaluleke kakhulu kunoma ubani ohlola ubude bebhethri ye-lithium kumongo wesitoreji.
I-Chemistry Isebalulekile, Kodwa Ingaphansi Kwalokho Okucabangayo
I-LiFePO4 ibusa isitoreji esimile ngenxa yezizathu ezidlula ukubala komjikelezo. Umkhawulo wayo wokubaleka oshisayo uhlala cishe ngama-degree angama-270, uma kuqhathaniswa cishe ne-160℃ye-NMC chemistries. Leyo majini ishintsha yonke ingxoxo yokuphepha nedizayini eshisayo. Kuphinde kusho ukuthi amaseli e-LFP abekezelela amazinga okushisa aphakeme aphezulu ngaphandle kokuwohloka okusheshisiwe, okuhumushela ngokuqondile ukuphila ende ekufakweni kwangaphandle lapho izabelomali zokupholisa zikhawulelwe.
Amabhethri e-NMC anikeza ukuminyana kwamandla okuphezulu-ku-150 ukuya ku-260 Wh/kg uma kuqhathaniswa no-90 ukuya ku-160 Wh/kg we-LFP-okusabalulekile esikhaleni{7}}izinhlelo zokusebenza ezibambekile. Kodwa ezintweni eziningi ezibekwe phansi noma ezifakwe esitsheni, i-footprint ayisona isithiyo esiyisibopho. Izindleko zomjikelezo ngamunye kanye nezindleko eziphelele zobunikazi esikhathini esiyiminyaka eyi-10 kuya kweyi-15 zikhona. Futhi kulawo mamethrikhi, i-LFP iqhubekele phambili ngokuzimisela. Ukuhlolwa kumalabhorethri kazwelonke kubonise amaseli e-LFP afinyelela imijikelezo engu-4,000 kuya ku-10,000 ukuya ku-80% wokugcinwa kwamandla, uma kuqhathaniswa ne-1,000 kuya ku-2,000 ye-NMC ngaphansi kwezimo ezifanayo.
Amanye amakhemikhali e-lithium-I-LiPo, i-lithium manganese oxide, i-lithium cobalt oxide{1}}ihlinzeka ngogesi osetshenziswa abathengi kanye nezinsiza ezikhethekile, kodwa azivamile ukubonakala endaweni emile. Impilo yabo yomjikelezo (imvamisa imijikelezo engu-300–1,500) kanye nezici zokushisa azisekeli amaphrojekthi wephrojekthi we-10-wonyaka ongeziwe adingwa umnotho wesitoreji.
Izinga lokushisa: Isici Esibulala Ngokuthula Amabhethri
Kukhona i-heuristic yobunjiniyela ecashunwe kabanzi: njalo ukukhuphuka kwamadigri ayi-10 kuzinga lokushisa eliqhubekayo lokusebenza cishe kuliphinda kabili izinga lokuwohloka kwamakhemikhali. Ukuthi ukuphindaphinda okuqondile ngu-1.8x noma 2.2x kuncike kukhemistri nocwaningo, kodwa ukuqondiswa akuphikiswana ngakho. Ukushisa kusheshisa ukubola kwe-electrolyte futhi kwakha izendlalelo eziphikisayo endaweni yama-electrode. Umonakalo uyanqwabelana futhi awulungiseki.
Lokhu kubukeka kanjani ekusebenzeni? Iphrojekthi ye-solar-plus{1}}yesitoreji esimweni sezulu esishisayo esincike ekupholiseni komoya okunganyakazi ingase ibone amazinga okushisa eseli angaphakathi evamise ukweqa amadigri angu-40 phakathi nokuphuma ntambama. Ngaphezulu kwezinyanga eziyi-18, lolo hlobo lwengcindezi yokushisa eqhubekayo lungaveza-ukulahleka komthamo wamadijithi aphindwe kabili-ngaphandle kokulindelwe kwesiqinisekiso. Faka kabusha isistimu efanayo ngokupholisa uketshezi olusebenzayo olubamba amaseli phakathi kuka-20℃no-30℃, futhi ukuwohloka kubuyela kumazinga avamile.
Amazinga okushisa abandayo adala inkinga ehlukile. Ngaphansi kuka-0℃, ukushaja ibhethri ye-lithium engcupheni i-lithium plating ku-anode{2}}uhlobo lomonakalo ongunaphakade, wokuphepha{3}}ohlobene. Izinkundla eziningi ze-BMS zekhwalithi zivimba ukushaja ngaphansi komkhawulo ophephile, kodwa akubona bonke abakwenzayo. Ekufakweni kwezimo zezulu ezisenyakatho,{6}}ikhono lokuzifudumeza noma{7}}izinqubo zokuzilungisa kusengaphambili akuzona izici ozikhethela zona. Ziwumshwalense wempilo yonke. Ukuqondaimikhawulo yokushisa yokusebenza kwebhethri ye-lithiumngaphambi kokucacisa uhlelo igwema uhlobo lokwehluleka kwenkundla okucekela phansi kokubili umthamo kanye nembuyiselo yephrojekthi.
Ukujula Kokukhipha kanye Nephrofayili Yokuthumela
Ibhethri elikhishelwe ku-50% DoD kuwo wonke umjikelezo ngokuvamile lizoletha kabili noma kathathu inani lomjikelezo owodwa okhishiwe ukuya ku-100%. Lena{3}}i-electrochemistry esungulwe kahle. Okuthola ukunakwa okuncane ukuthi iphrofayela yokuthumela{5}}okushiwo iphethini yokushaja nokukhipha imali phakathi nezinsuku, amaviki, nezinkathi zonyaka-ikwakha kanjani ukuwohloka ngezindlela inombolo ye-DoD elula engathathi ngayo.
Cabangela ukufakwa okubili kwe-BESS yokuhweba, kokubili kusetshenziswa amaseli e-LiFePO4 afanayo alinganiselwe emijikelezweni engu-6,000. Ukufaka A kwenza umjikelezo owodwa ojulile ngosuku wokushefa okuphezulu. Ukufakwa B kusingatha ukulawulwa kwefrequency, ukuhamba ngebhayisikili kancane izikhathi ezingamakhulu nsuku zonke. Zombili zisebenza ngobuchwepheshe ngaphakathi kwe-spec. Kodwa amandla aqongelelekayo, ukulayishwa kwe-thermal,{7}}nengcindezi encane ezintweni zokwenziwa kwama-electrode kwehluka kakhulu. Ukufaka B kungase kufinyelele umthamo wako wewaranti iminyaka ngaphambi kokufaka A, nakuba isilinganiso sakho se-DoD ngomjikelezo ngamunye siphansi kakhulu.
Yingakho amasistimu kasayizi wabahlanganisi abanolwazi ane-headroom-ngokuvamile engu-15 kuya ku-20% ngaphezu kwezimfuneko ezibaliwe. Leyo majini ivumela isistimu ukuthi isebenze ku-DoD emaphakathi kunokuba iphushelwe emikhawulweni yayo elinganiselwe kuwo wonke umjikelezo. Yingakho futhi ubuhlobo phakathiukushaja-imijikelezo yokukhipha nokusebenza{1}}kwangempela kwe-BESS yomhlabai-nuanced kakhulu kunalokho okusikiselwa yimininingwane eminingi.
I-BMS ne-EMS: Lapho Ukuklanywa Kwesistimu Kuhlangana Nempilo Yebhethri
Uhlelo lokuphatha ibhethri luqapha-izinga le-voltage yeselula, izinga lokushisa, namanje. Ivimbela ukushajwa ngokweqile,{2}}ukuphuma ngokweqile, kanye nemicimbi eshisayo. Kumaphakethe-amaseli amaningi, iphatha ukulinganisa kweseli ukuze kungabikho iseli elilodwa eliwohloka ngokushesha kunomakhelwane balo. Konke lokhu kuyizigxobo zetafula.
Okuhlukanisa i-BMS emaphakathi kokuhle isimo-sokunemba kwesilinganiso sezindleko kanye nokulawula okuguquguqukayo. Ezinhlelweni ze-LiFePO4 ngokuqondile, ukulinganisa kwe-SoC kudume kakhulu ngobunzima ngoba ijika lamandla kagesi cishe liyisicaba kulo lonke ibanga elisebenzisekayo. Amasistimu ayisisekelo angacisha kakhulu. Lokho kusho ukuthi o-opharetha bashiya umthamo wabo ubambekile njengesivimbeli sokuphepha, noma bakhiphe{6}}amaseli ngokungazi futhi bafinyeze impilo yomjikelezo. Izinkundla ezithuthuke kakhulu zehlisa lelo phutha kakhulu, zilondoloza kokubili umthamo osebenzisekayo kanye nempilo yesikhathi eside{8}.
Ngenhla kwe-BMS kuhlezi isistimu yokuphatha amandla, enquma ukuthi nini futhi kunzima kangakanani ukushajwa kanye nokukhipha okusekelwe kumanani kagesi, amasignali wegridi, izibikezelo zokuphehla amandla elanga, kanye nezibopho zenkontileka. I-EMS{1}ecushwe kahle ayigcini nje ngokukhuphula imali engenayo{2}}iphinde ivikele ibhethri ngokugwema ukuhamba ngamabhayisikili{3}}okuphezulu okungadingekile nangokuhlela izindleko zokulungisa ezigcina amaseli ebhalansile ngokuhamba kwesikhathi.
Ngokwazi kwethu, inhlanganisela ye-BMS enekhono kanye nesu le-EMS elicatshangelwayo lengeza okwengeziwe-impilo yebhethri yomhlaba wonke kunokukhetha phakathi kwabaphakeli ababili beselula be-LFP abanemininingwane yedatha ehluke kancane.
I-LiFePO4 vs. Lead-I-Acid: I-Lifespan Gap
Amabhethri{0}e-asidi omthofu asavela kumasistimu okulondoloza ifa nakwezinye izinhlelo zokusebenza ezivaliwe{1}zegridi. Impilo yabo yomjikelezo ixoxa indaba: Imijikelezo engu-500 kuye ku-1,000 ku-50% DoD yekhwalithi ejulile-ye-asidi ehola umjikelezo-, uma kuqhathaniswa nemijikelezo engu-3,000 ukuya ku-6,{12}} ku-80% DoD ye-LiFePO4. Ngokwekhalenda, i-lead{15}}asidi ngokuvamile ihlala iminyaka emi-3 ukuya kwemi-5 ezinhlelweni ezisebenzayo zamabhayisikili. Izinhlelo ze-LiFePO4 zivame ukufinyelela izikhathi ezintathu kuya kwezine lokho.
Umehluko wezindleko zangaphambili nawo wehle kakhulu. Uma ubala izindleko eziphelele zobunikazi phakathi nempilo yephrojekthi yeminyaka engu-10- kuya kwengu-15, uhlanganisa imvamisa yokushintshanisa, ukunakekelwa, nokulahlekelwa kokusebenza kahle kokuya nokubuya, i-LiFePO4 iletha inzuzo ezuzisayo. Lesi yisizathu esiyinhlokohigh voltage LiFePO4 izinhlelobasuse{0}iasidi yomthofu cishe kuwo wonke amaphrojekthi amasha angashintshi.
Ongakwenza Ukwandisa Impilo Yebhethri Kumiklamo Yesitoreji
Gcina amaseli ngaphakathi kwe-15℃kuya ku-35℃ngesikhathi sokusebenza. Ngokusetshenziswa kwangaphandle, lokhu kusho ukucacisa ukuphathwa kwe-thermal okusebenzayo{3}}ukupholisa okuwuketshezi kokuminyana{4}}okuphezuluukufakwa kwe-BESS okufakwe esitsheni, ophoqelelwe-umoya kumasistimu amakhabethe amancane. Ukupholisa okwenziwayo akuvamile ngokwanele ezimweni zezulu ezinokuphakama okuqhubekayo okungaphezu kwama-degree angu-35 noma ukwehla ngaphansi kwezingaqhwa.
Isebenza ekujuleni okumaphakathi kokukhipha. Ukusebenzisa ibhethri ku-70–80% DoD esikhundleni sika-100% kubiza umthamo othile osebenzisekayo umjikelezo ngamunye kodwa kungangeza iminyaka empilweni yesevisi iyonke. Usayizi wesistimu yakho ukuze ukusebenza kwansuku zonke kuhlale ngokunethezeka ngaphakathi kwemikhawulo elinganiselwe kunokuba uyicindezele.
Qondanisa ishaja yakho ne-inverter nencazelo yebhethri. Amaphrofayili we-voltage yokushaja, imikhawulo yamanje, kanye nemikhawulo yokunqamuka ishunwa kumakhemistri amaseli athile. Izinto zokusebenza ezingafani azigcini nje ngokuqeda iziqinisekiso{2}}zehlisa isithunzi ngokusebenzayo amaseli ngokucindezeleka kwamandla kagesi noma ukulinganisa okungaphelele.
Ungawavumeli amabhethri agciniwe ukuthi ahlale eshajwe ngokugcwele noma aphele isikhathi eside. Ukuze uthole isitoreji sesizini noma esilindile, gcina u-40–60% SoC endaweni yokushisa{3}elawulwayo. Ukuguga kwekhalenda kuyasheshisa kukho kokubili okudlulele kwebanga lokushaja.
Tshala imali kukhwalithi ye-BMS ne-EMS ngaphezu kokulondoloza izinga le-marginal cell-. I-Basic monitoring electronics ingase inikeze ukuvikelwa okuncane, kodwa i-architecture ye-BMS/EMS eklanywe kahle yenza okwengeziwe kakhulu ukuze kugcinwe-impilo yebhethri yesikhathi eside namandla asebenzisekayo. Isistimu eklanywe kahle izoyigcina isebenza eduze nomthamo olinganiselwe iminyaka eyishumi noma ngaphezulu.
imibuzo ejwayelekile ukubuzwa
Q: Ibhethri ye-LiFePO4 Ihlala Isikhathi Esingakanani Kuhlelo Lwe-BESS?
A: Ngaphansi kwezimo ezifanele zokusebenza-izinga lokushisa elilawulwayo, i-DoD emaphakathi, i-BMS enekhono-i-LiFePO4 BESS ngokuvamile iletha iminyaka engu-10 kuya kwengu-15 yokuhamba ngebhayisikili nsuku zonke ngaphambi kokuba umthamo wehle ufike ku-80% wesilinganiso sawo sangempela. Okunye ukufakwa{7}}okuphethwe kahle kuyaweqa lobu bubanzi. Okuguquguqukayo okubalulekile akulona iseli ngokwalo kodwa isistimu elizungezile: ukuphathwa kwezimo ezishisayo, iphrofayela yokuthumela, nezinqubo zokunakekela inquma ukuthi uhlala kuphi kulelo windi.
Q: Ingabe Ibhethri Le-lithium Liyehlisa Uma Lingasetshenziswa?
A: Yebo. Ukuguga kwekhalenda kuyindlela ehlukile yokwehliswa kwesimo ekugibeleni ibhayisikili. Ukusabela kwezinhlangothi zangaphakathi kuqhubeka kancane ngisho nalapho ibhethri lingenzi lutho, lisebenzisa i-lithium esebenzayo futhi kwandisa ukumelana kwangaphakathi. Izinga lincike ezingeni lokushisa kanye nesimo sokushajwa ngesikhathi sokugcina{3}}amabhethri agcinwe kumazinga okushisa aphezulu kanye nokushajwa okugcwele kwehla ngokushesha kakhulu. Ngokulondoloza-isikhathi eside, 40–60% SoC endaweni epholile, neyomile ibambezela le nqubo kakhulu.
Q: Uyini Umehluko Phakathi Kwempilo Yomjikelezo Nempilo Yekhalenda?
IMP: Impilo yomjikelezo ibala inani lokushaja-imijikelezo yokukhipha ngaphambi kokuba umthamo wehlele kumkhawulo ochaziwe, ngokuvamile u-80% wokwangempela. Impilo yekhalenda ikala ukuthi mingaki iminyaka ibhethri elihlala lisebenza kungakhathaliseki ukuthi lijikeleza kangakanani. Womabili amawashi asebenza ngesikhathi esisodwa, futhi noma imuphi umkhawulo ofika kuqala unquma ukuthi ibhethri lifika nini ekupheleni kwempilo yokusebenza. Ezinhlelweni zansuku zonke-zebhayisikili ze-BESS, impilo yomjikelezo ivamise ukuba yisibopho esiyisibopho. Kokubekwe eceleni noma okuphansi{7}}ukusebenzisa amasistimu okulondoloza, impilo yekhalenda ingabaluleka kakhulu.
Q: Kungani Amaphrojekthi Amabili E-BESS Anamaseli Afanayo Ethola Izikhathi Zokuphila Ezihlukene?
A: Ngoba imininingwane yeseli iwukufaka okukodwa kuphela. Ikhwalithi yokuphatha okushisayo, ukujula kwezilungiselelo zokukhipha,-izinga lika-C{1}} phakathi nokusebenza, ubunkimbinkimbi be-BMS, namaphethini okuthumela konke kuyahlukahluka phakathi kwamaphrojekthi. {3}Isistimu yesitoreji samandla ebhethri edidiyelwe kahle elawula zonke lezi zici izodlula isistimu enamaseli afanayo kodwa idizayini ebuthaka{4}}ngezinye izikhathi ngeminyaka embalwa.
Q: Kufanele Ngihlele Nini Ukushintshwa Kwebhethri Kuphrojekthi ye-ESS?
A: Amamodeli amaningi ezezimali ephrojekthi athatha ukushintshwa kwebhethri noma ukukhuliswa ngonyaka we-10 kuya kowe-12 kumasistimu e-LiFePO4 ahamba ngamabhayisikili nsuku zonke. Uma isistimu yakho isebenza ngaphansi kwezimo ezilondolozayo-i-DoD ephansi, isimo sezulu esimaphakathi, ukuphathwa kwekhwalithi yokushisa{5}}ungaphusha ukumiselela kube onyakeni we-15 noma ngaphezulu. Isabelomali sakho kusenesikhathi, kodwa klama uhlelo ukuze ukushintshwa kwenzeke sekwephuzile ngangokunokwenzeka. Kuphrojekthi yesikali-yezentengiso, umehluko phakathi komjikelezo weminyaka eyi-10 kanye neminyaka engu-15 ungasho amakhulu ezinkulungwane zamadola ekusetshenzisweni kwezimali okugwenyiwe.
Q: Ingabe Imijikelezo engu-6,000 Ilingana Ngempela Neminyaka eyi-15?
IMP: Kuphela uma isistimu ilinganisa cishe umjikelezo owodwa ogcwele ngosuku futhi zonke ezinye izimo zokusebenza zihlala ngaphakathi kokucaciswa. Emjikelezweni owodwa ngosuku, imijikelezo eyizi-6,000 ifinyelela eminyakeni eyi-16.4 yekhalenda. Kodwa amasistimu amaningi wangempela{5}omhlaba awajikelezi ngezinga elingaguquguquki ngokuphelele. Ukushintsha kokufunwa kwesizini, ukushintshashintsha kokuthunyelwa kwegridi, kanye nezikhathi ezithile{7}}nezehlakalo zenani eliphakeme zisho ukuthi izinsuku ezithile zibona umjikelezo ogcwele olingana nowodwa kanti ezinye zibona okuncane. Isici ekugugeni kwekhalenda-okuqhubeka ngaphandle kokuhamba ngebhayisikili-kanye neseli engu-6,000-ekuhlelo lokuhamba ngamabhayisikili nsuku zonke libonisa amamephu abe yiminyaka eyi-10 kuye kwengu-15 yesevisi ewusizo. Igebe phakathi komphumela wezibalo nomkhakha wehlela ekucindezelekeni kokushisa, ukunemba kwe-BMS, nokuthi uhlelo luthunyelwa ngamandla kangakanani.
Q: Lingakanani izinga lokushisa lehlisa impilo yebhethri ye-BESS?
IMPENDULO: Umthetho wesithupha ovame ukubhekiselwa kuwo ukuthi wonke amadigri angu-10 anyuka ngaphezu kwezinga lokushisa elifanele acishe aphindeke kabili izinga lokuwohloka kwamakhemikhali. Isistimu esebenza ngokungaguquki kumadigri angama-35 izoguga ngokushesha kakhulu kunaleyo ebanjwe ngezinga elingu-25, futhi uhlelo oluvame ukushaya amadigri angu-45 lungalahlekelwa amandla asebenzisekayo izikhathi ezimbalwa izinga elilindelekile. Ohlangothini olubandayo, ukushaja ngaphansi kuka-0℃engcupheni i-lithium plating{7}}uhlobo lomonakalo olungabuyiseleki emuva olunciphisa kokubili umthamo nomkhawulo wokuphepha. Ngokwezimo ezingokoqobo, i-BESS efakwe endaweni eshisayo ngaphandle kokupholisa okusebenzayo ingalahlekelwa iminyaka yempilo yesevisi uma iqhathaniswa nesistimu efanayo endaweni epholile noma efakwe ukulawula okushisayo okuwuketshezi. Umthelela oqondile uncike esikhathini sokuchayeka kanye nomfutho webhayisikili, kodwa izimo ezishisayo ezingalawulwa kahle ziyisizathu esisodwa esivame kakhulu ukuthi amaphrojekthi e-BESS angenzi kahle ubude bempilo yawo elinganiselwe.
Q: Ngabe I-LiFePO4 Battery Augmentation Iba Isidingo Nini?
A: Ukwengeza-ukwengeza amamojula amaseli amasha eduze kwabadala ukuze kubuyiselwe umthamo wesistimu{1}}ngokuvamile kungena enkulumweni lapho i-BESS yehle yaba cishe ku-70–80% womthamo wayo wokuqala we-nameplate. Ngohlelo{5}}olusebenza kahle lwansuku zonke{6}}lwe-cycling LiFePO4, lelo phuzu ngokuvamile lifika phakathi konyaka wesi-8 nonyaka we-12. Isinqumo sincike ezibophweni zamandla enkontileka, umthelela wemali engenayo wokwehla kokusebenza, kanye nezindleko zamamojula amasha ngokuhlobene nokushintshwa okugcwele. Abanye o-opharetha bandisa ngokuqhubekayo ku-80% ukuze balondoloze umthamo oqinisekisiwe wezivumelwano zokuphuma, kuyilapho abanye bagibela ijika lokuwohloka ngokuqhubekayo uma izidingo zabo zokuthunyelwa zibavumela. Ukwengeza ngokuvamile kubiza kakhulu{13}}kunokubuyisela ngokugcwele lapho i-BMS ekhona kanye nokokusebenza kokuguqula amandla kuhlala kusebenza, kodwa kudinga ukufaniswa kwamaseli ngokucophelela ukuze kugwenywe ukusheshisa ukuwohloka kwamamojula amasha ngenxa yokungalingani kwamandla kagesi namadala.