Imbonerahamwe nziza ya LiFePO4: Igitabo Cyuzuye cyo gucunga Bateri

Inganda zitera imbaraga inganda - 24 V binyuze muri 80V iboneza.

Imyaka itandatu yerekana no gutangiza sisitemu ya LFP yinganda mugukwirakwiza no gukonja - ibikorwa byurunigi bizakwigisha ikintu kimwe kijyanye na voltage charts nta datasheet ivuga: umubare uri kuri BMS yerekanwe mugihe cyo guhinduranya ibikorwa urimo gusunikwa byibuze nibihinduka bine icyarimwe, kandi imbonerahamwe ibarwa kuri zeru rwose. Narebye ibyemezo byamasoko bifatwa kumpapuro zisukuye - hanyuma igahita icikamo kabiri mumezi umunani. Nibyo iyi mfashanyigisho mubyukuri - imbonerahamwe ikurikira niyo ntangiriro, ntabwo ari igisubizo.

Umuvuduko Werekana: Iboneza Inganda

Imbonerahamwe isanzwe ya LFP kumurongo yubatswe kubakoresha izuba batuye kuri 4S cyangwa 8S. Nukuri kuri ibyo, nabi kubikoresho byububiko. Imibare ikurikira irerekana imbaraga zinganda zinganda.

Akagari kamwe: 3.20V nominal / 3.65V yishyurwa hejuru / 2.50V hasi.

Hano hari umutego wa 48V ukwiye kumenya mbere yuko amasoko arangira. Umurage umwe uyobora - charger ya acide hamwe nabashinzwe kugenzura ibinyabiziga ni uruganda - rwahinduwe kuri paki 15S, zishyura 54,75V zuzuye aho kuba 16S isanzwe ya 58.4V. Shyiramo 16S paki muri sisitemu kandi ntizigera igera kumafaranga yuzuye. Ikimenyetso gisa nubusembwa bwubushobozi. Twabonye ibikoresho bimara ibyumweru birukankana ikibazo cyakagari mubyukuri bidahuye. Urutonde rwa komisiyo ya Polinovel ikora umugenzuzi - charger - igenzura rya voltage ihuza igenzurwa kuri buri giteranyo kubwiyi mpamvu - ni ikintu kigaragara nyuma ya PO, atari mbere.

Impamvu Gusoma Umuvuduko Mugihe Cyimibereho Nibyingenzi

LFP isohora umurongo hafi ya 20% na 80% SOC. Kuri sisitemu ya 48V, ibikorwa byose bitanga umusaruro murwego rwo guhinduranya - igice cyingenzi mubikorwa - gikora hafi 52V kugeza 54V. Volt ebyiri hejuru ya 60% yubushobozi buboneka. Umuvuduko - ushingiye kuri SOC algorithm ikorera muri iryo tsinda ntacyo ipima; ni interpolating binyuze mu rusaku, kandi chimie ntacyo itanga kuri ankeri. (diysolarforum.com)

Kubona voltage isukuye isukuye ikarita neza kuri SOC bisaba paki kwicara ubusa muminota 30 kugeza kumasaha 4 nta mutwaro kandi nta mashanyarazi yishyurwa. Muburyo bubiri - ibikorwa byo guhinduranya hamwekwishyuza amahirweyubatswe muri gahunda yo kumena, idirishya ntiribaho. BMS irimo gusoma ibice byose bya voltage sag ibintu byanyuma byumutwaro byasigaye inyuma, hejuru yubuso bwamafaranga kuva hejuru - hejuru, hamwe ningaruka zo kurwanya imbere zigenda ziyongera uko selile zisaza. Shyira hamwe hamwe kandi SOC yerekana itwara error 15-20% ikosa rya sisitemu mugihe voltage ikora ibarwa. Twabonye ibyerekanwe bisoma 45% kumapaki yari yicaye kuri 28%. Reba 60% neza mbere yo hasi - guhagarika amashanyarazi byatangiye.

Inganda za Polinovel BMS ikora neza - ishingiyeKubarankuburyo bwibanze bwa SOC. Shunt ipima ampere nyayo - iyinjizwa rya kabiri kandi algorithm ikomeza imbaraga zingirakamaro zikosorwa kubushyuhe no gusaza. Ubusobanuro bwumurima buri gihe bugera kuri ± 3-5%, bihuye nibyo data yoherejwe yerekana muri sisitemu zoherejwe. Umuvuduko uracyinjira - ikoreshwa mukagari - urwego rwo kumenya amakosa no kumenya ubusumbane. Ntabwo byizewe kubigereranyo bya leta, kuko physics ya LFP chemistry ntabwo ibishyigikira mugihe gikora.

Urubanza rwa 80V rutuma imibare itagaragara. Makumyabiri - selile eshanu zikurikirana. Kuzigama 0.1V kuri - gupima selile kutamenya neza kwegeranya kugeza kuri 2.5V kurwego rwipaki. Ibyo birahagije kugirango ubeshye SOC amanota 15-20 ku ijana ukurikije umwanya uhetamye. Mubikorwa: ikamyo yerekana 40% kumurongo werekana hagati - kuzamura kuko amafaranga nyayo ari 22%.

 

Ububiko bukonje: Ibibazo bibiri, n'abacuruzi bakubwira gusa kimwe

Ibiganiro byinshi byo kugurisha kubyerekeyeubukonje - urunigi LFPwemere ikibazo kigaragara: munsi ya dogere 0, selile yimbere irwanya imbaraga zihagije kuburyo voltage igabanuka munsi yibintu biremereye bitera kurinda - kurinda voltage mugihe amafaranga yingirakamaro asigaye mubipaki.

Abakoresha batekereza ko bateri yananiwe. Ningaruka zubushyuhe, birushaho kuba bibi muri Gashyantare, kandi birababaje. Birashobora kandi gucungwa, kandi byanditse mubikoresho byinshi bitanga isoko niba ubajije.

 

Ikibazo cya kabiri nicyo kidashaka kubushake, kandi nibibi.

 

Kwishyuza selile ya LFP munsi yo gukonjesha hamwe na ion ya lithium igomba guhurirana muri anode ya grafite aho kuyishyira hejuru nka lithium metallic. Iyo litiyumu isize ntishobora gusubira mu gusohora. Irundanya, izunguruka nyuma yizunguruka, igabanya burundu ubushobozi bukora. Igice gikora uburozi bwubucuruzi: ku bushobozi bugenda bugabanuka, ntibishobora gutandukana na kalendari isanzwe. Kanda cycle 1.800 ifite ubushobozi bwa 70% kumupaki yemerewe kugumana 80% ukoresheje cycle 3.500, kandi nta shyaka rifite amakuru atandukanya neza "kwishyurwa kuri dogere 5 inshuro mirongo ine muri Mutarama ushize" n "" gutesha agaciro bisanzwe. " Ibyo biganiro bya garanti ntibikemura neza, kandi uyikoresha yakira ingaruka zikorwa mugihe impaka zirangiye.

 

Ubukonje bwa Polinovel - urunigi BMS ihagarika kwishyiriraho ibiciro byumuzunguruko kugeza selile zimaze gukuraho dogere 5. Porogaramu idahwitse cyangwa ivugurura ntishobora kurenga - gufunga bibaho munsi ya software. Inzira yo gushyushya ituruka kumashanyarazi yinjiza, nta ruhare rwabakozi rusabwa. Kubikoresho bikora munsi ya dogere -10 ibidukikije, turapima imicungire yubushyuhe kugeza inzira ikonje cyane mu nyubako. Kugaragaza ubushyuhe buringaniye bwububiko butanga sisitemu ikora hasi hasi kandi igatesha agaciro muri koridoro ya firigo, ikosa ryihariye ryerekana nkikirego cyibicuruzwa nyuma y'amezi 14 yatangijwe.

 

Niba bateri yawe isobanutse yanditswe nta bushyuhe bwo kugabanya ikiganiro cyawe, kanda kuri ibyo mbere yuko ikintu cyose gisinywa.

Kwishyuza Ceiling: Gushiraho Ntamuntu Ugenzura Nyuma yo Kwishyiriraho

Ikibazo cyihuse kubantu bose bakoresha lithium yarazwe: ni ubuhe bwoko bwa voltage BMS yawe yagenewe?

Abantu benshi ntibashobora gusubiza. Injeniyeri wa komisiyo yashizeho, ikomeza, kandi sisitemu yagiye ikora ibyo aribyo byose byari bisanzwe. Ntacyo bivuze kuko igisenge cyo kwishyuza kigena niba paki ikora inzinguzingo 3.500 cyangwa yegereye 7.500 mubihe bimwe bikora - kandi ntacyo bisaba guhindura umaze kumenya icyo igomba kuba.

LFP ya electrode yangirika yibanda hejuru yumurongo wo kwishyuza. Buri cyiciro kugeza kuri 3.65V / igisenge cyuzuye gikoresha imbaraga nyinshi za lithiation binyuze muri anode. Kurura icyo gisenge kuri 3.45V / selile kandi iyo mpagarara zo hejuru zicika kuri buri cyiciro cyubuzima bwose. Ibicuruzwa bigera kuri 15% byubushobozi bwagenwe kuri buri gikorwa cyishyurwa - ariko kubikorwa bikora amahirwe yo kwishyuza mugihe cyibiruhuko, ko 15% ahanini byinjizwa numurongo mwinshi. Abashoferi ntibabibona. Kalendari irakora.

Ingaragu - ibikorwa byo guhinduranya kwishyuza ijoro ryose bigomba gukora kuri 3.65V. Igihe cyo kugarura kirahari, cycle yinshyi ni mike, kandi itandukaniro ryo gutesha agaciro ntirifunga mugihe gisanzwe cyo gusimbuza ibikoresho. Ibikorwa bibiri - ibikorwa byo guhinduranya kuri 1.5 cycle kumunsi biri kurwego rwo gufata ibyemezo: 3.50V yongerera igihe ikirangaminsi 40-60% hejuru yumukino wo gusiganwa ku magare -, kandi mumato yoherejwe twashyizeho uburyo bwo kugabanya ubushobozi bwa - ntabwo bwatanze ibibazo kubakoresha. Ubukonje {12}

Buri gikoresho cyo kwishyiriraho Polinovel cyoherejwe hamwe na BMS yanditseho iboneza ryanditse rifitanye isano numubare wumutungo - kwishyuza hejuru, kwishyiriraho impanuka, hasi - guhagarika amashanyarazi, guhagarika ubushyuhe, gushiraho CAN. Iyo umuyobozi wa flet azungura sisitemu nyuma yimyaka ibiri, iboneza ryanditse kandi ryumvikana. Nibisobanuro byingenzi kurenza uko byumvikana mugihe uburyo bwo guhindura ibintu buhindutse kandi umuntu akeneye kumenya niba igenamiterere ryambere rigihuye nigikorwa.

Ubushobozi Kugaragaza: Ikinyuranyo hagati ya Datasheet na Yatanzwe

Ubushobozi buteganijwe kuri datasheet ya LFP bupimirwa kuri dogere 25 ibidukikije, 0.5C isohoka, kugeza kuri 2.5V kuri - selile. Ikigo cyawe gikora ku bushyuhe butandukanye, amakamyo yawe akurura cyane 0.5C munsi yumutwaro wuzuye, kandi BMS yawe igabanya hejuru ya 2.5V kugirango irinde selile. Nta na kimwe muri ibyo bisabwa gihuye nu rutonde.

Kugabanya ubushyuhe niho icyuho kinini kigaragara mu masoko akonje -. Imibare ikabije ituruka kuri bateri yumusaruro iranga urwego rwimikorere: gutakaza ubushobozi bwa 1-2% kuri dogere iri hejuru ya dogere 25, 2-4% kuri dogere iri munsi ya dogere 25, hamwe nimpera yo hepfo yurwo rwego yihuta cyane munsi ya dogere- 10. Ipaki ya 600Ah nominal itanga muri - 15 ya dogere ya firigo hejuru yumutwaro wo hejuru urimo gutanga hafi 420–460Ah. Kugaragaza ubushobozi bwizina udakoresheje iyo mibare niyo soko ihamye yibibazo byumwaka wambere wibikorwa tubona mugihe cyinzibacyuho.

Kububiko bwububiko - aha niho honyine - guhinduranya hamwe na - guhinduranya na bitatu - ibikorwa byo guhinduranya bitandukanye. Ikamyo imwe - ipaki - kuri - ikamyo ikora neza kubikorwa byombi kandi bisanzwe -. Icyumba cya batiri kirazimira, kwishyuza amahirwe bituma paki yuzuza ibiruhuko, ibisabwa byo kubungabunga bigabanuka cyane. Kubikorwa bitatu - guhinduranya hamwe na windows yamenetse munsi yiminota 45, iboneza - ibipapuro bikunda guhura nibibazo byinjira mukwezi kwa 18. Ipaki ntishobora gusa kugarura ubushobozi buhagije mugihe gito kugirango ikomeze imikorere ya gatatu - yimikorere kuri spec, kandi ibyinjira bitangira kwangirika mbere yuko umuntu atandukanya impamvu. Iyo siyariyeri irasaba ibikoresho bibiri hagati - ipaki yubushobozi hamwe n’ibikorwa remezo bishyushye -, kandi moderi ya TCO ikeneye kubara ibikoresho byo guhinduranya no gukandagira ibirenge kugirango habeho ubundi ipaki nini nini kandi isabwa igihe kirekire.

Itsinda rya porogaramu ya Polinovel ikora binyuze muri gahunda yo guhinduranya, guhagarika igihe, kwishyuza idirishya, hamwe nubushyuhe bwikigo mbere yo kurangiza ibyifuzo byose. Igisubizo kirasobanutse burigihe iyo inyongeramusaruro ziri kumeza. Umuntu wese usubiramo imibare yubushobozi atabajije imikorere yimikorere yabanje gukora uhereye kumashusho atuzuye yikibazo.

Igiciro cyose cya nyirubwite: Gukoresha Imibare

Icyerekezo: Ikamyo 10impirimbanyiamato, abiri - ibikorwa byo guhinduranya, iminsi 250 yo gukora kumwaka. Ingufu kuri $ 0.12 / kWt, imirimo yo kubungabunga $ 28 / isaha, amasaha yo hasi yaguzwe $ 75 / isaha kuri buri kamyo kuri pick - na - ingaruka zinjiza. Ibi ni ibitekerezo bifatika - umwanzuro werekeza ku nyubako nyinshi z’ibiciro by’inganda muri Amerika, hamwe n’imibare yuzuye ihindagurika hashingiwe ku gipimo cy’ingufu zaho ndetse n’ibiciro by’umurimo.

Itandukaniro ryimikorere: 87% kuzenguruka - urugendo rwa LFP vs . 72% kuriumwuzure wuzuye - aside. LFP yamanutse igiciro cyerekana amakosa ya BMS no gutangiza - ibyahinduwe bijyanye numwaka wa mbere; kuyobora - ishusho ya aside ikubiyemo igihe cyagenwe kandi kitateganijwe mugihe cyimyaka itanu.

Ikintu cyumurongo wumurongo wa bateri gihora gitangaza abantu batabigaragaje neza. Ikamyo ya { Amahirwe yo kwishyurwa ya Litiyumu ashyira sitasiyo yo kwishyiriraho amaherezo ya buri kayira cyangwa umwanya wa dock hanyuma igarura ayo mashusho yose. Ku madorari 18-25 $ kuri metero kare muri buri mwaka igiciro cyo gutura mu kigo cyo hagati cyo hagati, ni $ 7,200 - $ 15,000 ku mwaka mu kirere gisubira mu gukoresha umusaruro. Kubikorwa byo gusohora mumijyi aho amashusho ya kare ari imbogamizi ikomeye yo kwagura ibicuruzwa, iyi mibare akenshi igenda yihuta kuruta kugereranya ingufu.

Kugura ibihembo byishyurwa munsi ya - ibitekerezo byahinduwe: amezi 12 kugeza 16. Nyuma yiyo ngingo, kuzigama ibikorwa birundanya nta yandi mahirwe yabayeho kugeza igihe ubuzima buzunguruka bugera. Kuri Polinovel ya 3.50V igisenge cyo hejuru kubikorwa bibiri - byo guhinduranya, intego yubuzima bwikurikiranya ni 5, 500+ inzinguzingo kuri 80% DoD - hafi imyaka 7 kugeza kuri 9 kuri cycle 1.5 kumunsi.

Ibyo Dutangaza, n'impamvu Bitandukanye no Kwamamaza

Ubuzima bwikurikiranya bwinganda muriyi nganda ntibushobora rwose kugenzurwa nkuko byavuzwe kuko ibizamini bisibwe. Ikizamini cyo gusohora 0.2C kuri dogere 25 gitanga imibare myinshi kandi ntigaragaza ikintu kijyanye nuburyo ikamyo irwanya impanuka ikora munsi ya toni 3 -. Polinovel itangaza ubuzima bwikiziga kuri 80% DoD hamwe na C-igipimo cya Calibibilité no kugereranya kwukuri no kugera kumwirondoro wamakamyo. Mugihe umukiriya adusabye kwerekana imiterere yikizamini inyuma yumutwe wumutwe, turashobora kubikora hamwe ninyandiko zishyigikira. Nicyo gipimo gikwiye gusaba kurutonde rwabacuruzi bose.

Kugumana ubushobozi muri 48V yinganda za Polinovel zitanga garanti yo kugumana 80% nyuma yubuzima bwa cycle bwavuzwe mubihe byakozwe. Muri uru ruganda, imibare myinshi yo kugumana ubushobozi ni igereranya ryimikorere nta masezerano ashyigikiwe. Inyandiko ya garanti ni iminota 10 yasomwe ikubwira ishyaka ryakira ibyago byo gukora mugihe ipaki ikubise cycle 2000

CAN itumanaho rya bisi hamwe na Curtis, Zapi, na Toyota SAS abagenzuzi b'imodoka kavukire mubwubatsi bwa BMS. SOC yukuri kuri console ya operateri, guhuza amakosa yibikorwa, kugereranya imitwaro igabanuka nkuko paki yegera depletion. Guhuza protocole kumurongo wamakamyo runaka bigenzurwa nitsinda ryabasabye mbere yuko gahunda yo kugura ishyirwa. Impamyabumenyi ikubiyemo UL, CE, na UN38.3 yo gutwara; inyandiko yinyandiko yatunganijwe kubwishingizi nibikoresho bisubirwamo nibisanzwe.

Urupapuro rwuzuye rwa BMS rukora ibipimo 17. Bane muribo ntibagaragara kumibare isanzwe yinganda. Izo enye niho gahunda ya sisitemu yoherejwe itandukana cyane uhereye kumpapuro - urupapuro rwasezeranijwe mukwezi kwa 18 -. Baraboneka mugihe cyisuzuma - niba uri mumasoko akora, niyo ngingo iboneye yo kubasaba.

Polinovel ikora sisitemu ya batiri yinganda za LiFePO4 kuva 24V kugeza 80V kuri forklift, AGV, hamwe nububiko bwububiko. Twohereze imiterere ya shift yawe, igipimo cyubushyuhe bwikigo, hamwe na platifomu yikamyo {{4} team itsinda ryacu risaba risubiza urubuga - ibyifuzo byihariye hamwe nicyitegererezo cya TCO muminsi itanu yakazi.