Batiri ɲɛnabɔli sira: Baarakɛcogo, suguyaw & Sugandili kɛcogo

Litiyamu-ion batiri ye fɛn ye min sɔngɔ ka gɛlɛn, fanga-fɛn caman bɛ min na. Aw bɛ a furakɛ ka ɲɛ ani a bɛ mɛn san tan kɔnɔ. Aw bɛ a minɛ cogo jugu la miniti damadɔ kɔnɔ ani aw bɛ se ka farikolokisɛw tiɲɛ kudayi, walima ni a ka jugu ni tasuma ye. Fɛn min bɛ ko juguba bali, o ye batiri ɲɛnabɔcogo ye, walima BMS.

I mana kɛ pake dɔ dilanni na, ka dɔ don fɛn dɔ kɔnɔ, walima ka feerekɛla dɔ ka spec sheet jateminɛ, nin gafe in bɛ BMS bɛ min kɛ tiɲɛ na, architectures minnu bɛ yen, mun na tiɲɛ yɛrɛ tɛ -negotiable, ani cogo min na i bɛ se ka min bɛnnen ta i ka application kama.
 

Nin ɲɛ in kan

• Batiriw ɲɛnabɔcogo ye mun ye?
• BMS bɛ baara kɛ cogo min na tiɲɛ na
• BMS ka baara kolomaw
• BMS Architectures kunbabaw
• BMS ni Lakanali Jɛkulu (PCM) cɛ.
• Mun na BMS nafa ka bon
• BMS ɲuman sugandili ka kɛɲɛ ni Application ye
• Sugandili sɛgɛsɛgɛli sɛbɛn min bɛ kɛ ni fɛɛrɛ 7 ye
• Misali minnu bɛ kɛ tuma caman na ni i bɛ BMS san
• Ɲininkaliw

Batiriw ɲɛnabɔcogo ye mun ye?

A batiriw ɲɛnabɔcogoye ɛntɛrinɛti kunnafonisɛbɛn ye min bɛ batiri min bɛ se ka charge (sara) kokura, o kɔlɔsi ani k’a lakana, a ka c’a la, o ye litiyamu-ion walima LiFePO4 pake ye min dilannen don ni selilu caman ye minnu bɛ tugu ɲɔgɔn na ani ka kɛɲɛ ni ɲɔgɔn ye. A bɛ seli kelen-kelen bɛɛ bɛ min kɛ, a bɛ o suman, ka jatebɔ kɛ pake bɛɛ bɛ min kɛ cogo min na, ani ka don a ko la ni fɛn dɔ bɛ bɔ danyɔrɔ lakananenw kɔfɛ.

BMS ni lakanalan nɔgɔman tɛ kelen ye (tuma dɔw la, a bɛ fɔ a ma ko PCM, walima Lakanali Circuit Module). Lakanali pankurun bɛ jaabi di fili cogoya damadɔw ma i n’a fɔ chargement over-discharge, ani short circuit. BMS lakika b’o bɛɛ kɛ, wa a bɛ seliw fana balansi, ka charge cogoya ni kɛnɛya cogoya jateminɛ, ka funteni ɲɛnabɔ, wa a ka c’a la, a bɛ kumaɲɔgɔnya kɛ ni sistɛmu tɔ ye CAN, RS485, UART walima Bluetooth fɛ. Danfara in nafa ka bon bawo sugu bɛ daɲɛ fila ninnu ɲagami hɔrɔnya la, wa "BMS" pankurun sɔngɔ gɛlɛn caman ye lakanani pankurunw ye minnu bɛ u yɛrɛ dogo.

Kuwati marayɔrɔ dafalen kɔnɔ, BMS ye jɔlifɛn caman dɔ ye. N’aw b’a fɛ k’a ye a sigilen bɛ cogo min na seliw, PCS, EMS, ani thermal hardware kɛrɛfɛ, an ka tiɲɛnibatiri fanga maracogo yɔrɔ koloma 8ye taamaɲɔgɔn ɲuman ye min bɛ kalan.

BMS bɛ baara kɛ cogo min na tiɲɛ na

BMS bɛɛ bɛ baara kɛ ni sen naani-sen kelen ye, siɲɛ ba caman segin kɔnɔ.

Kɔrɔ.Voltage taps (voltaji) bɛ selil kelen-kelen bɛɛ kan, current sensor (shunt walima Hall-effect) bɛ current siraba kan, ani NTC thermistors (thermistors) minnu bɛ yɔrɔw la minnu bɛ se ka kɛ, olu bɛ data raww don BMS kɔnɔ.

Jatebɔ kɛ.Mikorokontrɔla bɛ o sumanikɛlanw tigɛli kɛ nafa sɔrɔlenw ye: chargement cogoya, kɛnɛya cogoya, fanga sɔrɔlen, selilɛri balanbaliya, funteni hakɛ danmadɔ.

Ka latigɛ.Firimi bɛ fɛn bɛɛ suma ni lakana dantigɛliw ni baarakɛcogo sariyaw ye.

Kɛwale.Ni mago bɛ a la, BMS bɛ MOSFET walima contacteurs da wuli walasa ka current tigɛ. A bɛ se fana ka balansi ciriw daminɛ, k’a ɲini chargeur dɔ fɛ a ka a ka baara sumaya, walima ka fili darapo dɔ ci jatigila sitɛmu ma.

O jaabi-sira dagalen in de bɛ batiri ɲɛnabɔlen ni batiri ni lakanani-puce (puce) nɔrɔlen bɛ a sanfɛ.
 

Batiri ɲɛnabɔcogo dɔ ka baara kolomaw

BMS dilanni suguya wɛrɛw bɛ sinsin baara suguya wɛrɛw kan. Batiri ɲɛnabɔcogo ɲuman bɛ ninnu fanba walima u bɛɛ ɲɛnabɔ.

Cell-Nivo Kɔlɔsili

BMS bɛ to ka selilu kelen-kelen bɛɛ ka tension kalan seri sɛrɛkili kɔnɔ, kuran min bɛ don pake kɔnɔ ani ka bɔ a kɔnɔ, ani funteni hakɛ min bɛ yɔrɔ kelen walima yɔrɔ caman na. Cell-nivo yecogo ye min bɛ pack-nivo latigɛw kɛ dannaya ye. Kɔrɔɲɔgɔnmaya kɛli pake hakɛ la, o bɛ seli kelen-seli suguya dogo tigitigi min bɛ kɛ sababu ye ka dɛsɛw kɛ.

Selilɛriw ka balansi (Balancing cellules).

Seli caman-paki o pake kɔnɔ, selilu kɔrɔya tɛ kelen ye dɔɔnin. Ni balansi ma kɛ, selil barikama bɛ a sanfɛla tension dan gosi fɔlɔ chargement kɛtuma na, o bɛ BMS wajibiya ka pake bɛɛ chargement dabila ani ka se ka baara kɛ ni a ye ka to a cogo la.

Fɛɛrɛ fila de bɛ fanga la.Balance passif (balance passif) min bɛ kɛbɛ fanga tɛmɛnen jeni ka bɔ sanfɛ seliw la ka tɛmɛ rezisti misɛnninw fɛ. A ka nɔgɔn, a sɔngɔ man gɛlɛn, wa a bɛ se ka kɛ feerekɛlaw ni izini pake nɔgɔmanw fanba ye.Balance active (balance) min bɛ kɛbɛ fanga lasegin ka bɔ sanfɛ seliw la ka taa duguma seliw la kondansɛriw, inducteurs walima DC-DC convertisseurs fɛ. A bɛ baara kɛ ka ɲɛ ani a bɛ se ka baara kɛ ni a ye kosɛbɛ, nka a bɛ musaka ni gɛlɛya fara a kan. Balance active bɛ teli ka sara pake belebelebaw kɔnɔ (EV traction, grid-scale storage) kilowatt-lɛrɛ kelen-kelen bɛɛ nafa ka bon yɔrɔ minnu na.

SOC, SOH, ani SOF Jateminɛ

Jamana nafa saba bɛ ɲɔgɔn na nka u kɔrɔ tɛ kelen ye.

• Jamana min bɛ baara kɛ (SOC) .: pake falen bɛ cogo min na sisan , o bɛ jira kɛmɛsarada la . A bɛ range walima runtime jiralan min bɛ baarakɛla ɲɛ, o boli.
• Kɛnɛyako jamana (SOH) .: baarakɛcogo seko hakɛ min tora ni i y' a suma ni pake kura ye -. Paki min bɛ 80% SOH la, o bɔnɛna a seko fɔlɔ la 20%.
• Baarakɛcogo (SOF) .: ni pake bɛ se ka fanga ɲininen di sisan, ka da sisan SOC, SOH, ani funteni kan.

Unit sɔngɔ gɛlɛnw bɛ SOC jira. Unit ɲumanw bɛ SOH nɔfɛ. Premium units bɛ SOF fɔ, o de ye i b’a fɛ tiɲɛ na ni baarakɛcogo dafalen bɛ layini kan. Walasa ka daminɛkuma sɔrɔ cogo min na seliluw bɛ seko sɔrɔ ani ka bɔnɛ u ka ɲɛnamaya kɔnɔ, o...Batiri Iniwɛrisite barokun BU-808ye kan gansan-kan nafolomafɛn ɲuman ye.

Lakanali

BMS jugumanba bɛ a yɛrɛ tanga chargement over-discharge, overcurrent (yɔrɔ fila bɛɛ la), short circuit, ani funteni caman walima funteni dɔgɔyali ma. Dakun kelen-kelen bɛɛ ka kan ka kɛ fɛn ye min bɛ se ka labɛn, wa jaabi waati nafa ka bon i n’a fɔ dakun yɛrɛ. Jaabi surun-a ka c’a la, a bɛ kɛ mikrosekɔndi 100–500 kɔnɔ; fɛn o fɛn bɛ milisekɔndi kɔnɔ, o bɛ sumaya kojugu -sisan baarakɛcogo kɔrɔw kama.

Sumaya ɲɛnabɔli

Ni pakew ye minnu nɛnɛna cogo la min tɛ kɛ, BMS bɛ dɔgɔya dɔrɔn walima ka tigɛ ni funteni bɛ tunun. Ni pakew nɛnɛna kosɛbɛ a bɛ yamaruya di fiɲɛbɔlanw, pɔnpew walima sofaw ma u ka seliw mara u ka baarakɛyɔrɔ finɛtiri kɔnɔ. Litiyamu-ion selilɛri fanba bɛ charge (sara) lafiya la degere 0–45 ɲɔgɔn cɛ ani ka bɔli kɛ yɔrɔ jan na, nka u bɛ nisɔndiya kosɛbɛ degere 15–35 cɛ; cycle ɲɛnamaya bɛ bin a dancɛ fila bɛɛ la. Walasa ka dan kɛrɛnkɛrɛnnenw sɔrɔ, an ka reference onlitiyamu batiri funteni hakɛ bɛ se ka kɛbɛ kuma chargement, dischargement ani storage bɛ cogo min na tiɲɛ na waleyali la. Hardware fan fɛ, .sugandili fiɲɛ ni ji nɛnɛ cɛbɛ baara hakɛ min kɛ BMS ka kan ka min kɛ funteni siratigɛ la, o cogoya.

Kunnafonin

Bi BMS fanba bɛ kuma kɛnɛma diɲɛ fɛ. CAN bisi ye sariya ye mobili ni izini sigidaw la, RS485 bɛ fanga sɔrɔ fanga jɔlen marali la, UART walima I2C bɛ sɔrɔ musakabɔlan misɛnninw kɔnɔ, ani bulutu bɛ ka caya ka taa a fɛ e-bisiw ni fanga minɛta la. Sistɛmu jɔlen kɔnɔ BMS fana bɛ ɲɔgɔn sɔrɔ ni sanfɛla-dafalen yefanga maracogo (EMS) ., min bɛ cidenw ka latigɛw, tarifuw, ani grid taamasiyɛnw ɲɛnabɔ. A ka c’a la, u fla bɛ ɲagami nka u bɛ Sìgi layini wɛrɛw la.

Donanw sɛbɛnni ani u sɛgɛsɛgɛli

BMS sanfɛtaw{0}}ban filiw, cycle jatew, ani tariku dantɛmɛnenw sɛbɛn. O sɛbɛn bɛ kɛ nafamaba ye walasa ka pake seginlenw sɛgɛsɛgɛ, ka garanti fɔlenw tiɲɛ, ani ka fɛn dilannenw lajɛ nata ɲɛ. An yɛrɛ ka RMA baara la, a ka c’a la, BMS jatebɔsɛbɛn de ye an ka fɛn fɔlɔ ye an bɛ min kalan; pake min tariku tɛ se ka baara kɛ ni a ye, o ye pake ye i tɛ se ka min lafasa.

BMS Architectures suguya kunbabaw

Batiri ɲɛnabɔli siratigɛ la, klasiki architecture saba bɛ yen. Ka ɲuman ta, o fanba ye pake hakɛ ni a gɛlɛya ɲininkali ye.

Baarakɛcogo sariya nafama min bɛ Kɛ an bɛ min Kɛ n’an bɛ jɔli kura scoping (skɔpi) Kɛ: seli 16 ɲɔgɔn jukɔrɔ minnu bɛ ɲɔgɔn kɔ, centralized (centralized) bɛ ɲɛ. 16 ni 100 cɛ, a ka c’a la, modulari bɛ se sɔrɔ musaka--dadonni kan ni dannaya ye. Seli 100 ni kɔ, tilalen bɛ a yɛrɛ sara kabali musaka la, taamasiyɛn dafalen na, ani foro baara la. Olu ye daminɛyɔrɔw ye, sariyaw tɛ; porozɛ kɛrɛnkɛrɛnnenw bɛ se ka sama sira fila la kelen fɛ.
 

BMS ni Protection Board (PCM): Danfara jumɛn bɛ u ni ɲɔgɔn cɛ?

Nin ye ɲagami sababuba kelen ye BMS sugu la.

Ni feerekɛla dɔ bɛ ka $5 board wele ka ɲɛsin 10-cell pack ma ko "BMS", a ɲininka n'a bɛ cell balancing kɛ, ka SOC fɔ data bus kan, ani ka microcontroller yɔrɔ nimɔrɔ lakika dɔ sɛbɛn. Ni jaabi ye ayi ye, o ye lakanani pankurun ye.

Mun na BMS nafa ka bon: Farati lakikaw ka taa ni a tɛ

Daɲɛ "nafama" bɛ dege cogo la min bɛ mɔgɔ lafiya. Nin ye fɛn ye min bɛ tiɲɛ tiɲɛ na litiyamu pake kɔnɔ, batiri ɲɛnabɔcogo ɲuman tɛ min na, walima min bonya ka dɔgɔ baara kama.

Lakana.Litiyamu-ion selilɛriw bɛ dɛsɛ cakɛda dɔ fɛ min bɛ wele ko thermal runway. Kɔnɔna surun walima chargement tɛmɛnen bɛ selilu kelen funteni kɔrɔta, o bɛ dɛsɛ teliya, o bɛ funteni kɔrɔta ka taa a fɛ, fo seli ka elektrɔli tasumaman bɔ. BMS min bɛ ɲɛfɛla minɛ (voltage abnormal, current abnormal, temperature trend abnormal) o bɛ se ka cakɛda tigɛ sani a ka kɛ tasuma ye.

Ɲɛnamaya waati.Hali milivolti tan ni tan balanbaliya min bɛ to senna seliw ni ɲɔgɔn cɛ, o bɛ pake ɲɛnamaya surunya kosɛbɛ. Seli barikama bɛ chargement ban fɔlɔ ka sɔrɔ ka cycle sɔrɔ ka tɛmɛn band fitinin dɔ kan; selilɛri min barika ka dɔgɔ, o bɛ girinw kɔrɔta ani ka kɔrɔya ka tɛmɛ o kan yɛrɛ. Ni balansi ma kɛ, pake dɔ ka baarakɛcogo bɛ dɔgɔya cogo la min tɛ bɛn kalo caman kɔnɔ sanni ka dɔgɔya san caman kɔnɔ. An ye pake minnu da wuli garanti seginnen kɔfɛ, balansi sɛrɛkili min ma deli ka baara kɛ, o ye seko bɔnɛni sababu jugu dɔ ye min ka teli ka kɛ.

Se.Ni SOC ni SOH tigitigi tɛ, sistɛmu tɛ baara kɛ ni pake ye ka ɲɛ (seko min tora tabali kan) walima a bɛ baara kɛ kojugu (range walima runtime claims minnu tɛ bɛn tiɲɛ ma). Baarakɛla labanw fɛ, "ne ka batiri bɛ sa joona ka tɛmɛ taamasiyɛn b'a fɔ cogo min na" o ye BMS gɛlɛya ye tuma bɛɛ, a tɛ selilɛri gɛlɛya ye.

Ka bɛn a ma.Litiyamu batiri fɛn dilannenw bi, u bɛ sama ka don sariyaw kulu dɔ kɔnɔ, wa a ka c’a la, BMS lakika de b’a to u bɛ se ka tɛmɛ. Ni i ye kelen tɛmɛ, o bɛ sugu juguw datugu cogo ɲuman na. Minnu ka teli ka dɔn:

• ONU 38.3: bolifɛn-lakanani sɛgɛsɛgɛli seriyali min ka kan ka tɛmɛ litiyamu selilɛriw ni pakew fɛ walasa ka ci fiɲɛ fɛ, kɔgɔji fɛ, walima sira fɛ. A ɲɛfɔlen don niONU ka gafe min bɛ sɛgɛsɛgɛliw ni sariyaw ɲɛfɔ.
• UL 2271 ye: bɛ kuran mɔbili nɔgɔmanw batiriw datugu i n’a fɔ e-nɛgɛsow ani e-skɔtiw.
• UL 1973 sàn: a bɛ batiri jɔlenw ni batiri wulilenw ɲɛfɔ, ESS ka fɛn dilannen fanba fana sen bɛ o la. A bɛ BMS lakanani hakilina sɛbɛnnen de wajibiya.
• IEC 62619 ye: diɲɛ lakanani sariya min bɛ kɛ izini litiyamu filanan selilɛriw ni batiriw kan.
• ISO 26262 ye: baarakɛcogo lakanani sirabakan-mobiliw kama. A wajibiyalen don yɔrɔ min na OEM b’a ɲɛfɔ batiriw ye minnu bɛ sama.

Walasa ka UL seereyali bɛ min na ESS fan fɛ, o lajɛ ka ɲɛ, aw ye an ka sɛbɛn lajɛ min kanmun na BESS ka fɛn dilannenw mago bɛ UL ka seereyaw la. Aw bɛ se fana ka sariyaw yɛrɛ lajɛUL Solutions (Aw ka furakɛlicogo)..

BMS ɲuman sugandili ka kɛɲɛ ni Application ye

Baarakɛcogo suguya wɛrɛw bɛ batiri ɲɛnabɔcogo dɔ degun cogoya wɛrɛw la pewu. "100A" taamasiyɛn kelen in kɔrɔ ye fɛn wɛrɛw ye minnu tɛ kelen ye kosɛbɛ kuran baarakɛminɛn kɔnɔ ani tile marayɔrɔ la.

Kuran Mobiliw ani E-Mobili

EVw ni e-nɛgɛsow mago bɛ kurunba caman na min bɛ to senna, jaabi teliya la, SOC tigitigi la walasa ka yɔrɔ jateminɛ, CAN ka kumaɲɔgɔnya, ani (OEM b’a ɲini yɔrɔ min na) ISO 26262 baarakɛcogo-lakanani dilancogo. Modular walima distributed architectures bɛ fanga sɔrɔ sanfɛyɔrɔ la.

Kuwati marayɔrɔw (ESS) .

Lakanali jɔlen bɛ fɔlɔfɔlɔ kalandriya janya, cycle jate caman, SOH nɔfɛtaama tigitigi, ani jɛ-ka-baara saniyalen ni inverterw ye Modbus walima CAN kan. A ka ca a la, farikolokisɛw ye LiFePO4 ye walasa ka lakana. Fenɛtiri belebelebaw (48V fo 800V+) bɛ dilanw gɛlɛya ka taa BMS modulariw walima BMS tilalenw fɛ. An fanbaminɛn kɔnɔ BESSporozew, misali la, u bɛ baara kɛ ni modular master-slave BMS ye walasa rack kelen o kelen ka se ka baara kɛ k’a sɔrɔ a ma site bɛɛ ta ka bɔ ɛntɛrinɛti kan.

Seko ni dɔnko Baarakɛminɛnw

Kuran baarakɛminɛnw b’u janto peak current ani short-circuit jaabi la ka tɛmɛn fɛn bɛɛ kan. Motɛri bɛ kurunba tɛmɛnenw sama a daminɛ na ani a jɔli senfɛ. Yan, BMS baarakɛcogo bɛ jigin MOSFET sugandili la (Rds(on) dɔgɔya) ani se ka boli ka bɔ kulu kunkurunninw na k’a sɔrɔ gɛlɛyaw ma dabila.

Elektɔriki min bɛ se ka ta ani min bɛ kɛ ka mɔgɔw ta

A bonya jɛlen, musaka dɔgɔman, ani jɛ-ka-baara sirilen de nafa ka bon kosɛbɛ. BMS cɛmancɛ fitinin min bɛ ni balansi pasif ni lakanani basigilen ye, a ka c’a la, o bɛ se.

Kɔgɔjida la ani fanga daminɛcogo

Cranking-style applications bɛ peak discharge currents caman de wajibiya burst surunw kama, ka fara lakanani kan ka bɔ vibration, humidity ani kɔgɔ la. Aw bɛ dilancogo datugulenw ɲini, peak-to-kurun hakɛ minnu bɛ to senna, ani funteni lakanani barikama.

Simi sugandili fana bɛ BMS labɛncogo ɲɛminɛ. An ka jateminɛ kunbabawbatiri suguya wɛrɛw fanga marali kamabɛ taama LFP, NMC ani mɔgɔ wɛrɛw bɛ taama cogo min na, o min bɛ kɛ sababu ye ka tension (voltaji) dantigɛliw, balansi fɛɛrɛ, ani funteni dantigɛliw Changer BMS ka kan ka minnu waleya.

BMS dɔ bɛ se ka sugandi cogo min na

Baara kɛ ni nin ye ka kɛɲɛ ni ɲɔgɔn ye. Ka tɛmɛn sen kan, o ye BMS sanni fanba bɛ tiɲɛ cogo min na.

1. Aw bɛ selilu hakɛ ni a chimie sɛgɛsɛgɛ.Seli joli bɛ ɲɔgɔn na ("S" jate)? Litiyamu-ion (3,7V tɔgɔla), LiFePO4 (3,2V tɔgɔla), walima fɛn wɛrɛ? BMS ka kan ka bɛn tigitigi.
2. Jatebɔ kɛ kuran tɛmɛnen ni kurunba kuncɛlen.Baara kɛ ni doni jugumanba-ko ye. Sisan ko minnu bɛ to senna funteni hakɛ jateminɛni na; peak current matters for MOSFET ani trace sugandili.
3. Pick continuous current ni margin ye.Aw ye aw jija ka kunkolo yɔrɔ 25–30% sɔrɔ aw ka doni tɛmɛnen lakika kan (pake-ɛnjiniyɛri sariya min bɛ kɛ tuma bɛɛ, a tɛ jate gɛlɛn ye). BMS min jate bɛ i ka baarakɛcogo la tigitigi, o bɛna boli ka funteni ani ka kɔrɔya joona.
4. Aw bɛ lakanani sigicogo sɛgɛsɛgɛ.Chargement over-discharge, overcurrent (charge ani discharge), short circuit, ani funteni bɛɛ ka kan ka kɛ yen ani ka se ka labɛn.
5. Balance suguya sugandi.Passif ka ɲi pake fanba ma minnu fanga tɛ kilowati 10 ɲɔgɔn bɔ. Aw bɛ balansi waleyali sugandi dɔrɔn ni seko ni dɔnko seginni ni ɲɛnamaya jan bɛ musaka faralen jo di.
6. Aw bɛ kumaɲɔgɔnya kɛcogo bɛn ɲɔgɔn ma.CAN ye mobili ye, RS485 ye ESS ye, BLE ye min bɛ se ka ta, walima si tɛ kɛ ni fanga pake ye min bɛ a yɛrɛ ta.
7. Aw ye MOSFETw ni u jɔcogo ɲuman lajɛ.MOSFET yɔrɔ nimɔrɔ ɲini ani k’a ka kunnafonidilan lajɛ. Tɔgɔ-maraka MOSFET min Rds(on) ka dɔgɔ, o ye BMS jugumanba jiralan barikama dɔ ye.

Misali minnu bɛ kɛ tuma caman na ani darapo bilenmanw ni i bɛ BMS san

• Ka da a la ko kuncɛkuma sisan jatebɔ.Tablo min tɔgɔ ye ko "100A" o bɛ se ka baara kɛ ni MOSFETw ye minnu bɛ dɔgɔya ka se 60A ma funteni cogoya lakikaw la. Aw ye kunnafonisɛbɛn lajɛ.
• Confusing peak ni continuous.BMS min bɛ 200A ɲɛnabɔ segin kelen kɔnɔ, o tɛ 200A BMS ye.
• Ka i janto protocole la.Marka fanga-baarakɛminɛnw pakew (Dewalt, Milwaukee, wdfl) ka teli ka baara kɛ ni bolokɔfɛfɛnw ye minnu ye u yɛrɛ ta ye; BMS jenɛriki bɛ se ka ban dɔrɔn ka baarakɛminɛn in fanga di.
• Funteni hakɛ jateminɛnanw tɛmɛni.NTC kelen min bɛ kɛ 20S pake bɛɛ la, o tɛ se k’a fɔ i ye ni nkɔni kelen bɛ ka sumaya kojugu.
• Sanni kɛli sɔngɔ dɔrɔn de kan."BMS" min ka dɔgɔn kosɛbɛ multi-cell pack kama, o bɛ se ka kɛ tuma bɛɛ lakanani pankurun ye min bɛ jago kɛ a sanfɛ.

Ɲininkaliw

Yala ne bɛ se ka baara kɛ ni batiri litiyamu ye ni BMS tɛ wa?
Ni seli kelen bɛ kɛ ni kuran dɔgɔman ye, fɛɛrɛko siratigɛ la ɔwɔ. Litiyamu pake o pake multi-cell caman kama, ani kɛrɛnkɛrɛnnenya la, hadamadenw bɛ yɔrɔ o yɔrɔ kɛrɛfɛ, ayi. Farati min bɛ funteni bolicogo la, selilɛri balanbaliya, ani tiɲɛni teliya la, o bɛ BMS kɛ wajibi ye kosɛbɛ.

Danfara jumɛn bɛ BMS ni batiri chargeur cɛ?
Chargeur dɔ bɛ fanga gɛrɛntɛ ka don pake kɔnɔ. BMS dɔ bɛ a latigɛ ni o tɛ kojugu ye, wa a b’a fɔ chargeur ye a ka kan ka jɔ waati min na. Sitimɛ caman bɛ ni o fila bɛɛ ye, u bɛ baara kɛ ɲɔgɔn fɛ kumaɲɔgɔnya bisi kan.

Yala BMS bɛ batiri si janya wa?
Ɔwɔ, kɔrɔ bɛ o la. Ni a ye chargement over-discharge, ani cellules balansance bali, BMS setigi bɛ se ka litiyamu pake ka cycle ɲɛnamaya janya kosɛbɛ ni a bɛ tali kɛ a bolicogo la a lakananen tɛ. O hakɛ tigitigi bɛ bɔ kemikaliya la, a bɔli juguya la ani a funteni na.

Cell balancing bɛ mun kɛ tiɲɛ na?
A bɛ selilu kelen-kelen bɛɛ To seri sɛrɛkili kɔnɔ u ka charge (sara) cogoya kelen na walasa pake ka se ka charge (sara) dafalen na ani ka bɔ kɛnɛ kan k’a sɔrɔ seli kelen ma a dan gosi ka kɔn a waati ɲɛ.

SOC vs SOH: danfara jumɛn bɛ u ni ɲɔgɔn cɛ?
SOC b’a fɔ aw ye batiri falen don cogo min na sisan. SOH b’a fɔ i ye batiri fanga hakɛ min bɔnɛna a ka ɲɛnamaya kɔnɔ. Pake bɛ se ka kɛ 100% SOC la ani 70% SOH dɔrɔn na ni a kɔrɔla.

Yala BMS ni PCM ye fɛn kelen ye wa?
Ayi PCM (protection board) bɛ a yɛrɛ minɛ fili cogoyaw dɔrɔn de la. BMS bɛ balansi, jamana jateminɛ, kumaɲɔgɔnya, ani tuma caman na funteni ɲɛnabɔli fara a kan.

Ne ka BMS ka kan ka dɛmɛ don sisan hakɛ jumɛn na?
Laɲini ka kɛ 25–30% ye a dɔgɔyalenba la i ka diɲɛ -diɲɛ lakika tɛmɛnen kɔ, ni peak handling ye daminɛ walima stall ko kɛlenw na. Aw ye MOSFET specs yɛrɛyɛrɛw lajɛ tuma bɛɛ, aw kana suguya dɔrɔn jate.

Centralisé, modulaire, walima distribué: ne mago bɛ jumɛn na?
Paki misɛnninw (16S ɲɔgɔn jukɔrɔ): u bɛ cɛmancɛ la. Paki cɛmancɛw ani EV nɔgɔmanw: modulu. EV belebele walima grid-scale: tilalen don.

Yala ne ka kan ka BMS dɔ bila kɔfɛ batiri kɔrɔ la wa?
Pake min tun cilen don fɔlɔ ni kelen tɛ, jaabi bɛ bɔ min bɛ a kɔnɔ kaban. Ni lakanani pankurun jɔnjɔn dɔrɔn de bɛ yen, fɛnw falen-falen BMS lakika kɔnɔ, o bɛ se ka nafa ɲɛnamaya janya ani ka kɔlɔsili fara a kan, nka kɔfɛlabɔli ka kan ka bɛn selilɛri hakɛ fɔlɔ ma, chimie ani sisan sira ma. Ni pake minnu sirilen don kaban BMS dɔ la minnu ma ɲɛ, u falenni ka nɔgɔn. OEM pake datugulenw na (kɛrɛnkɛrɛnnenya la minnu bɛ bɔ fɛnba dɔw la), a ka c’a la, retrofitw bɛ dɛsɛ k’a sababu kɛ bolokɔfɛfɛnw ye minnu bɛ kɛ pake ni jatigila minɛnw cɛ, wa a ka c’a la, an t’a fɔ.

Fɛn min ye fɛn ye min bɛ se ka kɛ

Batiriw ɲɛnabɔcogo ye min bɛ litiyamu-ion batiriw kɛ baarakɛminɛn ye sɛgɛsɛgɛli la. A bɛ seliluw bɛ min kɛ, a bɛ o dɔn, ka jatebɔ kɛ, ka wale kɛ o kan, k’u balan, k’u ka kɛnɛya nɔfɛtaama, ka kuma ni sigida tɔw ye. Ka tɛmɛ BMS lakika kan, walima ka i sigi lakanatɔn dɔ la min fini donna i n’a fɔ kelen, o bɛ i musaka bɔ lakana hakɛ la, i si hakɛ la, ani laban na wari la.

Sani i ka sanni kɛ, i ka fɛn naani datugu: selilu jate ni chimie, current continu ani peak current ni margin, lakanani set tigitigi i mago bɛ min na, ani i ka sistɛm bɛ kuma kumaɲɔgɔnya interface min na. Aw bɛ o fɛnw bɛn ɲɔgɔn ma ka kɛɲɛ ni aw ka pake hakɛ ye ani aw bɛna aw yɛrɛ tanga filiw ma minnu sɔngɔ ka gɛlɛn kosɛbɛ litiyamu batiri dilanni na.

N’i ​​bɛ BMS bonya kɛ baarakɛminɛn kɛrɛnkɛrɛnnen dɔ kama (EV samali, fanga marali, kuran baarakɛminɛnw, kɔgɔjida la daminɛ, walima fanga min bɛ se ka ta), i bɛ daminɛ ka bɔ baarakɛminɛn ka sisan ni a ka protocole wajibiyalenw na ka baara kɛ kɔfɛ. O de ye danfara ye pake min bɛ mɛn san duuru kɔnɔ ani min bɛ dɛsɛ kalo duuru kɔnɔ.