Enkola y'okuddukanya bbaatule: Emirimu, Ebika & Engeri y'okulondamu

Battery pack ya lithium-ion kintu kya bbeeyi, ekijjudde amaanyi-denso. Kikwate bulungi era kiwangaala emyaka kkumi. Kiyisa bubi okumala eddakiika ntono era osobola okwonoona obutoffaali enkalakkalira, oba mu mbeera embi n’otandika omuliro. Ekitundu ekiziyiza ekisinga obubi ye nkola y’okuddukanya bbaatule oba BMS.

Oba okola dizayini ya pack, okugatta emu mu kintu, oba okwekenneenya spec sheet y'omutunzi, ekitabo kino kikwata ku BMS ky'ekola ddala, architectures ki eziriwo, lwaki eya nnamaddala te-teesebwako, n'engeri y'okulondamu entuufu ku nkola yo.
 

Ku Muko Guno

• Enkola y’okuddukanya bbaatule kye ki?
• Engeri BMS gy'ekola mu butuufu
• Emirimu emikulu egya BMS
• Ebizimbe ebikulu ebya BMS
• BMS vs olukiiko olukuuma (PCM)
• Lwaki BMS Kikulu
• Okulonda BMS Entuufu okusinziira ku Application
• Olukalala lw’okukebera mu mitendera 7 egy’okulonda
• Ensobi Ezitera Okukolebwa Nga Ogula BMS
• Ebibuuzo ebibuuzibwa

Enkola y’okuddukanya bbaatule kye ki?

A enkola y’okuddukanya bbaatuleye kifuga eky’ebyuma ekirondoola n’okukuuma bbaatule eddaamu okucaajinga, emirundi mingi lithium-ion oba LiFePO4 pack ekoleddwa mu butoffaali obuwera mu lunyiriri n’obukwatagana. Kipima buli katoffaali kye kakola, kibala engeri paaka gye yeeyisaamu okutwaliza awamu, era n’eyingira mu nsonga ng’ekintu kiwuguse ebweru w’ekkomo eritali lya bulabe.

BMS si y’emu ne bboodi y’obukuumi ennyangu (oluusi eyitibwa PCM, oba Protection Circuit Module). Ekipande ky’obukuumi kikola ku mbeera z’ensobi entono nga okusajjula okusukkiridde, okusukkiridde-okufulumya, ne short circuit. BMS entuufu ekola ebyo byonna, era era egerageranya obutoffaali, ebalirira embeera ya charge n’embeera y’obulamu, eddukanya ebbugumu, era ebiseera ebisinga ewuliziganya n’enkola yonna ku CAN, RS485, UART, oba Bluetooth. Enjawulo nsonga kubanga akatale katabula ebigambo bino byombi mu ddembe, era ebipande bingi ebya layisi "BMS" biba bipande bya bukuumi nga byefudde.

Munda mu kintu ekitereka amaanyi ekijjuvu, BMS kye kimu ku bizimba ebiwerako. Bw’oba ​​oyagala okulaba engeri gye kituula ku mabbali g’obutoffaali, PCS, EMS, ne thermal hardware, okumenya kwaffe okwa...ebitundu munaana ebikulu eby’enkola y’okutereka amaanyi ga bbaatuleye mubeezi omulungi asoma.

Engeri BMS gy'ekola mu butuufu

Buli BMS ekola loopu y’emu ey’emitendera ena-, emirundi enkumi n’enkumi buli sikonda.

Okuwulira.Taapu za vvulovumenti ku buli katoffaali, sensa ya kasasiro (shunt oba Hall-effect) ku kkubo lya kasasiro omukulu, ne NTC thermistors ku bifo eby’obukodyo ziyingiza data embisi mu BMS.

Bala.Microcontroller efuula ebipimo ebyo mu miwendo egyaggibwamu: embeera y’omusannyalazo, embeera y’obulamu, amaanyi agaliwo, obutakwatagana mu butoffaali, ebbugumu erya wakati.

Okusalawo.Firmware egeraageranya buli kimu ku mitendera gy’obukuumi n’amateeka agafuga.

Okukola.Bwe kiba kyetaagisa, BMS eggulawo MOSFETs oba contactors okusala current. Era kiyinza okuleeta balancing circuit, okusaba charger okukendeeza ku sipiidi, oba okukuba fault flag ku host system.

Oyo closed feedback loop y’eyawula enkola ya bbaatule eddukanyizibwa ku bbaatule ng’erina chip y’obukuumi esibiddwa waggulu.
 

Emirimu emikulu egy’enkola y’okuddukanya bbaatule

Dizayini za BMS ez’enjawulo zissa essira ku mirimu egy’enjawulo. Enkola ennungamu ey’okuddukanya bbaatule y’ekwata ebisinga obungi oba byonna bino wammanga.

Cell-Okulondoola Omutendera

BMS esoma obutasalako vvulovumenti ya buli katoffaali mu lunyiriri lw’omuddiring’anwa, akasannyalazo akakulukuta mu paaka n’okufuluma, n’ebbugumu mu kifo kimu oba ebisingawo. Cell-okulabika ku ddaala kye kifuula okusalawo ku ddaala lya pack- okwesigika. Okugerageranya wakati ku ddaala lya pack kikweka ddala ekika ky'okuwuguka kw'obutoffaali obumu-ekireeta okulemererwa.

Okutebenkeza obutoffaali

Mu pack yonna ey’obutoffaali obungi-, obutoffaali bukaddiwa mu ngeri ya njawulo katono. Awatali balancing, cell esinga obunafu esooka kukuba kkomo lya vvulovumenti yaayo eya waggulu nga ecaajinga, ekiwaliriza BMS okulekera awo okucaajinga pack yonna n’ereka obusobozi obukozesebwa nga busibye.

Enkola bbiri ze zifuga.Okutebenkera mu ngeri ey’obutakolaeyokya amaanyi agasukkiridde okuva mu butoffaali obwa waggulu okuyita mu buziyiza obutono. Kyangu, kya buseere, era kimala ku packs ezisinga obungi ez'abakozesa n'ez'amakolero ezitazitowa-.Okutebenkeza okukolaetambuza amasoboza okuva mu butoffaali obwa waggulu okudda mu butoffaali obwa wansi okuyita mu capacitors, inductors, oba DC-DC converters. Ekola bulungi era ezzaawo obusobozi obukozesebwa, naye eyongera ku ssente n’obuzibu. Active balancing etera okusasula mu packs ennene (EV traction, grid-scale storage) nga buli kilowatt-essaawa y’esinga obukulu.

SOC, SOH, ne SOF Okubalirira

Empisa z’eggwanga ssatu zifaanagana naye nga zitegeeza ebintu eby’enjawulo.

• Embeera y’omusango (SOC) .: engeri pack gy’ejjudde mu kiseera kino, nga kiragibwa nga ebitundu ku kikumi. Evuga ekiraga ebanga oba ekiseera ky'okudduka omukozesa ky'alaba.
• Embeera y’ebyobulamu (SOH) .: obusobozi obukozesebwa bwe busigalawo bw'ogeraageranya ne pack empya ddala-. Pack eri ku 80% SOH efiiriddwa 20% ku busobozi bwayo obw’olubereberye.
• Embeera y’emirimu (SOF) .: oba pack esobola okutuusa amaanyi ageetaagibwa mu kiseera kino, okusinziira ku SOC, SOH, n’ebbugumu eririwo kati.

Yuniti za layisi lipoota SOC. Yuniti ezisinga obulungi zirondoola SOH. Premium units zitegeeza SOF, nga kino ky’oyagala mu butuufu ng’omutindo ogwesigika guli ku layini. Ku lw’ennyanjula ku ngeri obutoffaali gye bufunamu n’okufiirwa obusobozi mu bulamu bwabwo,...Ekiwandiiko kya Yunivasite ya Battery BU-808kye kifo ekirungi eky'olulimi olutangaavu-.

Obukuumi

BMS ey’amaanyi ekuuma okuva ku kusasula okusukkiridde, okufuluma okusukkiridde-okufuluma, okusukkiridde (mu njuyi zombi), okutambula okumpi, n’ebbugumu eringi oba erya wansi. Buli threshold erina okuba nga esobola okutegekebwa, era obudde bw’okuddamu bukulu nnyo nga threshold yennyini. Short-circuit response etera okuba mu 100–500 microsecond range; ekintu kyonna mu bbanga lya milisekondi kigenda mpola nnyo ku nkola za waggulu-ez'omulembe.

Enzirukanya y’ebbugumu

Ku packs ezinyogozeddwa mu ngeri ey’obutakola BMS emala okukendeeza oba okusalako ng’ebbugumu libula. Ku paaka ezinyogozebwa ennyo kiragira abawagizi, ppampu oba ebyuma ebibugumya okukuuma obutoffaali munda mu ddirisa lyabwe erikola. Obutoffaali bwa lithium-ion obusinga obungi busasula bulungi wakati wa diguli nga 0–45 n’okufuluma mu bbanga erigazi, naye businga essanyu mu bbandi ya diguli 15–35; obulamu bw’enzirukanya bugwa ku nkomerero zombi. Ku kkomo ebitongole, okujuliza kwaffe kuebbugumu lya bbaatule ya lithium likyukakyukaekwata ku ngeri okucaajinga, okufulumya, n’okutereka gye bifaanana ddala mu nkola. Ku ludda lwa Hardware, .okulonda wakati w’okunyogoza empewo n’amazziekola omulimu BMS gw’erina okukola mu bbugumu.

Enjogerezaganya

BMS ezisinga ez’omulembe ziyogera n’ensi ey’ebweru. Bbaasi ya CAN ya mutindo ku mmotoka n’enkola z’amakolero, RS485 y’esinga mu kutereka amaanyi agatali gakyukakyuka, UART oba I2C ya bulijjo mu paaka z’abakozesa entono, ate Bluetooth yeeyongera okubeera mu ddigi za e- n’amaanyi agakwatibwa. Mu nkola etakyukakyuka BMS nayo ekwatagana n’omutendera ogwa waggulu-enkola y’okuddukanya amaanyi (EMS) ., ekwata ku kusalawo ku kusindika, emisolo, n’obubonero bwa giridi. Ababiri bano batera okutabulwa naye nga batuula ku layeri ez’enjawulo.

Okuwandiika amawulire n’okuzuula obulwadde

BMSs eza waggulu-end ziwandiika ebibaddewo ensobi, okubala enzirukanya, n'ebyafaayo ebisukkiridde. Ekiwandiiko ekyo kifuuka kya muwendo nnyo mu kuzuula paaka ezikomezeddwawo, okukakasa ebigambibwa nti zirina ggaranti, n’okulongoosa okuddamu okutunula mu bikozesebwa okuddako. Mu mulimu gwaffe ogwa RMA, ekiwandiiko kya BMS kitera okuba ekintu kye tusooka okusoma; pack etalina byafaayo bikozesebwa ye pack gy’otosobola kulwanirira.

Ebika Ebikulu eby’Ebizimbe bya BMS

Waliwo enzimba ssatu eza kikula kya waggulu ez’enkola y’okuddukanya bbaatule. Okulonda ekituufu kisinga kuba kibuuzo kya sayizi ya pack n’obuzibu.

Etteeka ery’omugaso ery’okukola lye tukozesa nga tukola scoping new builds: wansi w’obutoffaali nga 16 mu series, centralized is fine. Wakati wa 16 ne 100, modular etera okuwangula ku cost-of-okussaako okusinziira ku kwesigika. Obutoffaali obusukka mu 100, obugabanyizibwa bwesasula mu nsaasaanya ya waya, obulungi bwa siginiini, n’okuweereza mu nnimiro. Zino ntandikwa, so si mateeka; pulojekiti ezenjawulo zisobola okusika mu ngeri zombi.
 

BMS vs Protection Board (PCM): Njawulo ki eriwo?

Eno y’ensibuko emu esinga okutabulwa mu katale ka BMS.

Singa omutunzi ayita board ya $5 ku pack ya cell 10 "BMS," buuza oba ekola cell balancing, etegeeza SOC ku data bus, era ewandiika ennamba y'ekitundu kya microcontroller entuufu. Bwe kiba nti eky’okuddamu kiba nti nedda, kiba kipande ekikuuma.

Lwaki BMS Kikulu: Obulabe Obutuufu Obuli Mu Kugenda Nga Tolina

Ekigambo "ekikulu" kimanyiira mu ngeri ya loosely. Wano mu butuufu ekigenda obubi mu lithium pack nga temuli nkola ntuufu ey’okuddukanya bbaatule, oba ng’erina obunene obutono ku mulimu.

Obukuumi.Obutoffaali bwa lithium-ion bulemererwa okuyita mu nsengekera y’enjegere eyitibwa thermal runaway. Ekimpi oba ekisukkiridde eky’omunda kisitula ebbugumu ly’akatoffaali kamu, ekyanguya okulemererwa, ekyongera okulinnyisa ebbugumu, okutuusa ng’akatoffaali kafulumya empewo y’obusannyalazo obukwata omuliro. BMS ekwata ekisookerwako (voltage etali ya bulijjo, current etali ya bulijjo, omutindo gw’ebbugumu ogutali gwa bulijjo) esobola okusalako olujegere nga terunnafuuka muliro.

Obulamu bw’abantu.Ne bwe kiba nti obutakwatagana obutasalako obwa milivolti amakumi wakati w’obutoffaali bukendeeza ku bulamu bwa pack mu ngeri eyeetegeerekeka. Akatoffaali akasinga amaanyi kasooka kumaliriza kucaajinga ne kafuna obugaali okuyita mu bbandi enfunda; akatoffaali akasinga obunafu kakola okusitula ebizito era kaddiwa mangu n’okusingawo. Awatali bbalansi, obusobozi bwa pack obukozesebwa bukendeera asymmetrically okumala emyezi okusinga emyaka. Mu packs ze tugguddewo oluvannyuma lwa warranty okudda, balance circuit etayingirangako kye kimu ku bisinga okuvaako okufiirwa obusobozi nga tebunnatuuka.

Okwoolesa.Awatali SOC ne SOH ntuufu, enkola oba ekozesa bubi pack (obusobozi obulekeddwa ku mmeeza) oba ekozesa nnyo (range oba runtime claims ezitakwatagana na reality). Ku bakozesa enkomerero, "bbaatule yange efa mangu nnyo okusinga ekiraga bwe kigamba" kumpi bulijjo kizibu kya BMS, so si kizibu kya butoffaali.

Okukolagana wamu.Ebintu ebikolebwa mu bbaatule ya Lithium leero bisimbulwa mu mutindo, era BMS entuufu ebiseera ebisinga y’ezifuula eziyita. Okubuuka ekimu kiggalawo bulungi obutale obw’amaanyi. Ebisinga okumanyibwa:

• UN 38.3: omuddirirwa gw'okugezesa obukuumi bw'entambula-nga obutoffaali bwa lithium ne packs bwe bulina okuyita okusobola okusindikibwa mu bbanga, ennyanja, oba ku luguudo. Etegeezebwa aba...Ekitabo ky’ekibiina ky’Amawanga Amagatte ekikwata ku bigezo n’emisingi.
• UL 2271: ekwata ku bbaatule z’emmotoka ezikozesa amasannyalaze amatono nga e-ddigi ne e-sikuuta.
• UL 1973. Omuwandiisi w’ebitabo: ekwata ku nkola za bbaatule eziyimiridde n’ezigenderera, omuli n’ebintu ebisinga ebya ESS. Yeetaaga ensonga y’obukuumi bwa BMS ewandiikiddwa.
• IEC 62619: omutindo gw’obukuumi bw’ensi yonna ku butoffaali bwa lithium secondary cells ne bbaatule z’amakolero.
• ISO 26262: obukuumi obukola ku mmotoka z'oku nguudo. Ekyetaagisa OEM gy’erambika ku bbaatule ezisika.

Okusobola okutunuulira ennyo kiki okuweebwa satifikeeti ya UL kye kuzingiramu ku ludda lwa ESS, laba ekiwandiiko kyaffe kulwaki ebintu bya BESS byetaaga satifikeeti ya UL. Osobola n’okulambula emitendera gyennyini ng’oyita muEbigonjoola ebizibu bya UL.

Okulonda BMS Entuufu okusinziira ku Application

Enkola ez’enjawulo zissa essira ku nkola y’okuddukanya bbaatule mu ngeri ez’enjawulo ddala. Label y'emu eya "100A" etegeeza ebintu eby'enjawulo ennyo mu kikozesebwa eky'amasannyalaze ne mu kifo we batereka amasannyalaze g'enjuba.

Emmotoka ez'amasannyalaze ne E-Entambula

EVs ne e-ddigi zeetaaga amasannyalaze agatali ga bulijjo aga waggulu, okuddamu okw’amangu ku ntikko, SOC entuufu okubalirira ebanga, empuliziganya ya CAN, ne (OEM we yeetaaga) ISO 26262 functional-safety design. Enzimba za modulo oba ezisaasaanyizibwa ze zifuga ku nkomerero eya waggulu.

Enkola z’okutereka amaanyi (ESS) .

Okutereka okutambula kukulembeza obulamu bwa kalenda obuwanvu, omuwendo gw’enzirukanya omungi, okulondoola SOH okutuufu, n’okugatta okuyonjo ne inverters okusinga Modbus oba CAN. Obutoffaali butera okuba LiFePO4 olw’obukuumi. Amadirisa ga vvulovumenti empanvu (48V okutuuka ku 800V+) gasika dizayini okutuuka ku modular oba distributed BMSs. Ebisinga ku byaffe...BESS erimu ebidomolapulojekiti, okugeza, zikozesa modular master-slave BMS olwo rack yonna emu esobole okuweebwa service awatali kutwala mukutu gwonna okuva ku mutimbagano.

Ebikozesebwa mu Masannyalaze

Ebikozesebwa mu masannyalaze bifaayo ku peak current ne short-circuit response okusinga byonna. Motor eno esika amasannyalaze amanene ennyo aga transient currents ku startup ne ku stall. Wano, omutindo gwa BMS gukka wansi ku kulonda MOSFET (low Rds(on)) n’obusobozi bw’okuvuga okuva ku ntikko ennyimpi awatali kuggalawo kutawaanya.

Ebyuma ebikozesebwa mu byuma bikalimagezi ebikwatibwa n’abakozesa

Sayizi entono, omuwendo omutono, n’okugatta okunywevu bye bisinga obukulu. BMS entono esangibwa wakati nga erina passive balancing n’obukuumi obw’omusingi ebiseera ebisinga emala.

Enkola z’amasannyalaze g’ennyanja n’okutandika

Enkola za cranking-style zeetaaga emisinde egy’okufuluma egy’oku ntikko egya waggulu ennyo ku kubwatuka okumpi, nga kwogasse n’obukuumi okuva ku kukankana, obunnyogovu, n’omunnyo. Noonya dizayini ezissiddwaako ssimu, emigerageranyo gya waggulu-ku-obusannyalazo obutasalako, n’obukuumi obw’ebbugumu obunywevu.

Okulonda kwa kemiko era kuvuga ensengeka ya BMS. Okulaba kwaffe ku...ebika bya bbaatule eby’enjawulo okutereka amaanyiatambula mu ngeri LFP, NMC, n’abalala gye beeyisaamu, ekikyusa emitendera gya vvulovumenti, enkola y’okutebenkeza, n’ekkomo ly’ebbugumu BMS ly’erina okussa mu nkola.

Engeri y'okulondamu BMS

Kino kikozese mu nsengeka. Okubuuka omutendera y’engeri okugula kwa BMS okusinga gye kutambula obubi.

1. Kakasa omuwendo gw’obutoffaali ne kemiko.Obutoffaali bumeka mu lunyiriri (ennamba ya "S")? Lithium-ion (3.7V erinnya), LiFePO4 (3.2V erinnya), oba ekintu ekirala? BMS erina okukwatagana ddala.
2. Bala current egenda mu maaso ne peak current.Kozesa omugugu gw'ensonga ogusinga obubi-. Ensonga za kasasiro ezitasalako ku sayizi y’ebbugumu; peak current matters for MOSFET n’okulonda okulondoola.
3. Londa current egenda mu maaso nga eriko margin.Genderera waakiri 25–30% headroom ku mugugu gwo ogwa nnamaddala ogugenda mu maaso (etteeka lya yinginiya erya bulijjo erya pack-engineering rule of thumb, so si namba enzibu). BMS ebalirirwa ddala ku current yo ekola ejja kudduka nga eyokya era ekaddiwa mangu.
4. Kakasa nti obukuumi obuteekeddwawo.Overcharge, over-discharge, overcurrent (charge and discharge), short circuit, ne bbugumu byonna birina okubaawo era nga bisobola okutegekebwa.
5. Londa ekika ky’okutebenkeza.Passive nnungi ku pack ezisinga wansi wa kWh nga 10. Londa active balancing nga okuddamu obusobozi n’obulamu obuwanvu biwa obutuufu bw’omuwendo ogwongezeddwaako.
6. Gyaanyisa enkola y’empuliziganya.CAN ku mmotoka, RS485 ku ESS, BLE ku portable, oba tewali ku standalone power pack.
7. Kebera MOSFETs n'omutindo gw'okuzimba.Saba ennamba y’ekitundu kya MOSFET era otunule mu datasheet yaayo. Erinnya-brand MOSFET nga Rds(on) entono kye kimu ku bisinga amaanyi ebiraga BMS ey’amaanyi.

Ensobi eza bulijjo ne Red Flags Nga Ogula BMS

• Okwesiga omutwe oguliwo kati.Olubaawo oluwandiikiddwako "100A" luyinza okukozesa MOSFETs ezikendeera okutuuka ku 60A mu mbeera z'ebbugumu entuufu. Kebera ku datasheet.
• Entiiko etabula n’egenda mu maaso.BMS ekwata 200A okumala sekondi emu si BMS ya 200A.
• Okubuusa amaaso protocol.Ebipapula by'ebikozesebwa ebiriko amaanyi-(Dewalt, Milwaukee, n'ebirala) bitera okukozesa okukwatagana mu ngalo okw'obwannannyini; BMS eya generic eyinza okumala gagaana okuwa ekintu ekyo amaanyi.
• Okubuuka sensa z’ebbugumu.NTC emu ku pack ya 20S yonna tesobola kukubuulira oba enkoona emu ebuguma nnyo.
• Okugula ku bbeeyi yokka."BMS" esinga obuseere ku multi-cell pack kumpi bulijjo eba lubaawo lw'obukuumi nga kuliko okutunda waggulu.

Ebibuuzo ebibuuzibwa

Nsobola okukozesa bbaatule ya lithium nga sirina BMS?
Ku katoffaali kamu ku kasasiro omutono, mu by’ekikugu yee. Ku pack yonna eya multi-cell lithium pack, n’okusingira ddala wonna abantu we bali okumpi, nedda. Obulabe bw’okudduka mu bbugumu, obutakwatagana mu butoffaali, n’okuvunda amangu kifuula BMS okuba ekiragiro obulungi.

Njawulo ki eri wakati wa BMS ne charger ya battery?
Chaja esika amaanyi mu paaka. BMS esalawo oba ekyo tekirina bulabe era n’etegeeza chajingi ddi lw’erina okuyimirira. Enkola nnyingi zirina byombi, nga zikolagana ku bbaasi y’empuliziganya.

BMS eyongera ku bulamu bwa bbaatule?
Yee, mu ngeri ey’amakulu. Nga tuziyiza okusajjula okusukkiridde, okufulumya okusukkiridde-okufuluma, n’obutakwatagana mu butoffaali, BMS esobola esobola okwongera ennyo ku bulamu bw’enzirukanya y’ekipapula kya lithium bw’ogeraageranya n’okugiddukanya nga tewali bukuumi. Omugerageranyo omutuufu gusinziira ku kemiko, obuziba bw’okufulumya, n’ebbugumu.

Mu butuufu okutebenkeza obutoffaali kukola ki?
Kikuuma buli katoffaali mu lunyiriri lw’omuddiring’anwa kumpi ku mbeera y’emu ey’okucaajinga kale paaka esobola okucaajinga mu bujjuvu n’okufulumya awatali katoffaali kamu kukuba kkomo lyako nga tebunnatuuka.

SOC vs SOH: njawulo ki eriwo?
SOC ekubuulira engeri bbaatule gy’ejjudde mu kiseera kino. SOH ekubuulira obusobozi bwa bbaatule bw’efiiriddwa mu bulamu bwayo. Pack esobola okuba ku 100% SOC ate 70% SOH yokka singa eba nkadde.

BMS ne PCM kintu kimu?
Nedda PCM (protection board) ekola ku mbeera z’ensobi zokka. BMS eyongerako okutebenkeza, okubalirira embeera, empuliziganya, era emirundi mingi okuddukanya ebbugumu.

BMS yange yandibadde ewagira current mmeka?
Genderera waakiri 25–30% waggulu w'ensi yo entuufu-ensi continuous current, n'okukwata ku ntikko ku bigenda mu maaso oba okuyimirira. Bulijjo kebera ku specs za MOSFET entuufu, so si rating yokka eri ku katale.

Centralized, modular, oba distributed: kiruwa kye nneetaaga?
Ebipapula ebitonotono (wansi wa nga 16S): ebiteekeddwa wakati. Packs eza wakati ne EV ezitazitowa: modular. EV ennene oba grid-scale: egabanyizibwa.

Nkole okuddamu okuteeka BMS ku bbaatule eriwo?
Ku pack eyasooka okusindikibwa nga temuli emu, eky’okuddamu kisinziira ku biri edda munda. Singa wabaawo olubaawo lw’obukuumi olusookerwako lwokka, okukyusakyusa mu BMS entuufu kuyinza okwongera ku bulamu obw’omugaso n’okwongera okulondoola, naye okudda emabega kwetaaga okukwatagana n’omuwendo gw’obutoffaali ogwasooka, kemiko, n’ekkubo eririwo kati. Ku packs ezaaweebwa edda waya ku BMS eremereddwa, okukyusaamu kyangu. Ku paaka za OEM ezissiddwako akabonero (naddala okuva mu bubonero obukulu), okudda emabega kutera okulemererwa olw’okukwatagana mu ngalo okw’obwannannyini wakati wa paaka n’ebyuma ebikyaza, era okutwalira awamu tetugiteesa.

Ensonga Ennungi

Enkola y’okuddukanya bbaatule y’efuula bbaatule za lithium-ion okukozesebwa ku minzaani. Etegeera, ebalirira, era n’ekola ku ebyo obutoffaali bye bukola, bubutebenkeza, bulondoola obulamu bwabwo, era ne boogera n’enkola yonna. Okubuuka BMS entuufu, oba okumalira ku bboodi y’obukuumi ng’oyambadde ng’emu, kikufiiriza ku safety margin, obulamu, n’okukkakkana nga ssente.

Nga tonnagula, ggalawo ebintu bina: omuwendo gw’obutoffaali ne kemiko, amasannyalaze agagenda mu maaso n’ag’oku ntikko nga galiko margin, obukuumi obutuufu bwe weetaaga, n’enkola y’empuliziganya enkola yo gy’eyogera. Zikwataganya n’enzimba entuufu okusinziira ku sayizi ya pack yo ojja kwewala ensobi ezisinga ebbeeyi mu dizayini ya bbaatule ya lithium.

Bw’oba ​​okola sayizi ya BMS ku nkola eyeetongodde (EV traction, okutereka amaanyi, ebikozesebwa mu masannyalaze, okutandika mu nnyanja, oba amaanyi agakwatibwa), tandika okuva ku byetaago by’enkola eby’omulembe n’ebya protocol era okole emabega. Eyo y’enjawulo eriwo wakati wa paaka emala emyaka etaano n’egwa mu myezi etaano.