Calculator ya nyengo yakuchaja batire: Kasi mungachaja mwakukwana wuli
Nkhanjira mu bizinesi iyi kwizira pa mulyango wa kumanyuma. Nkhayamba kuŵa kontrakitala wa magesi wakunozga mapanelo gha malo ghakusungiramo katundu, nkhalutilira kufumbika mafumbo ghakukhwaskana na mabatire agho nkhatondekanga kuzgora, paumaliro nkhamalizga nyengo yinandi pa ndondomeko za magesi kuluska kuŵika waya. Icho chikaŵa 2016. Pakati pajumpha vyaka 8, nkhakhwaska panji 400 mabatire gha forklift ghakuŵikika mu Midwest na Southeast, chomenechomene kusintha kufuma ku lead-asidi ku lithiamu.
Fumbo la nyengo ya kulipira likuza pafupifupi mu foni yiliyose yakuguliska. Ŵalongozgi ŵa ngalaŵa ŵakukhumba nambara. "Kasi nkhulipira nyengo yitali wuli?" Fumbo lakusuzga yayi, zgoro lakusuzga. Fomula ya luwiro iyo waliyose wakugwiliskira nchito pa Intaneti yizamumupangiskani kuti muŵe mu ballpark, kweni nawona kuti fomula yeneyiyo yikupangiska kuti paŵe kupuvya kwa madola 340,000 pa malo ghakusungirako vinthu vyakuzizima ku Indianapolis. Iwo ŵakapima kukula kwa vipangizo vyawo vyakulipilira mwakuyana na manambara ghawo, ndipo ŵakasanga kuti nyengo zawo zakulipilira zikaŵa zitali chomene na 40% chifukwa palije uyo wakapenda 2℃ambient temperature mu malo ghawo ghakuŵikamo furiji. Pakatora myezi eyiti kuti ŵazomerezge bajeti yakunozga magesi agho ŵakeneranga kucita kufuma pakwamba.,
Ntheura lekani niwone ivyo vikukhumbikwa nadi pakupenda nyengo yakulipilira, ndiposo cakuzirwa comene, ivyo manambara ghakung’anamura pa cisankho cinu ca kugura.

Mafomula na Chifukwa Icho Ŵakumutesirani
Mawerengero ghakwamba ghali palipose pa Intaneti:
Nyengo Yakuchaja=Nkhongono ya Batire (Ah) ÷ Kuchaja Sono (A)
Batiri ya 200Ah iyo yili na chaja cha 20A yikutora maora 10. Panga.
Kupatulapo kuti vikugwira ntchito nthena yayi. Fomula iyo yikughanaghana kuti 100% yikulipira makora, iyo yilipo yayi. Chemistry yiliyose ya batire yikutaya nkhongono para yikuchajika. LiFePO4 yikuchitika 95% mpaka 98% kuyana na mtundu wa maselo na kutentha. Ndayezga maselo gha CATL 280Ah agho ghakafika pa 97.8% pa kutentha kwa chipinda, kweni gulu la maselo gha bajeti kufuma ku Tier - 3 supplier chaka chamara likakwaniska waka 93.2% mu nyengo zakuyana waka. Makemikolo gha NMC kanandi ghakuwira pakati pa 90% na 95%. Lead-acid ili pa mapu ghose, kulikose kufuma pa 68% pa batire lakale mu nyengo yakuzizima mpaka panji 85% pa liphya pa nyengo yakuzizima.
Kugwira ntchito -kusinthika kwa fomula:
Nyengo Yakuchajira=Nkhongono ya Batire (Ah) ÷ (Kuchajira Sono (A) × Kugwira Ntchito)
Batiri iyo 200Ah pa 20A na 95% nkhongono yikutora nadi maora 10.5. Na 85% ya lead-asidi, mukulaŵiska pa maora 11.8.
Kweni apa ndipo ma calculator ghanandi ghakuleka, ndipo apa ndipo masuzgo ghanadi ghakwamba.
CC-CV Kulipira: Chifukwa wuli 20% Yakumaliya Yikutora Kwamuyirayira
Chaja chilichose cha lithiamu chikugwiriskira ntchito ndondomeko ya vigaŵa viŵiri-. Chigaŵa chakwamba chikuŵa cha magesi ghambura kusintha, apo chaja chikukankhira amperage yakukhazikika mu batire m’paka apo magesi ghakufika pa mphaka ya pachanya. Kwa LiFePO4 iyo ni 3.65V pa selo, kung'anamura 58.4V kwa paketi ya 48V yakumanyikwa. NMC yikudumura pa 4.2V pa selo.
Nyengo zose sono kukupangiskani kuti muŵe pafupifupi 80% boma la malipiro. Fomula yipusu yikugwira ntchito makora chomene pa chigaŵa ichi.
Pamanyuma pake chaja chikusintha ku mtundu wa magesi wakukhalilira. Voltage yikukhala yakukhazikika apo magesi ghakuchepa pachokopachoko. Batiri "likuzura" para magesi ghakukhira pafupifupi 3% ya mtengo wa CC wakwamba. Chigaŵa ichi chikuzuzga 20% yakukhalira kweni chingarya 30% mpaka 40% ya nyengo yinu yose yakulipilira.
Nkhaghanaghananga kuti ivi vikaŵa waka vyakukhwaskana na tekinoloje m’paka apo malo ghakugaŵira vinthu ku Memphis ghakanilongora vithuzithuzi vyawo vyakulipilira. Ŵakaŵika pulogiramu yakuti ma charger ghawo ghaleke kugwira ntchito para pajumpha maora 2.5 mwakuyana na umo ŵakapenda kuti ghaŵe na charger ya linear. Batiri yiliyose yikaŵa yakuyima pa 83% ku 86% SOC. Ŵanthu awo ŵakaŵagwiliskiranga ntchito ŵakaghanaghananga kuti ŵali na maora 8 ghakuchimbira ndipo ŵakapokeranga 6.5 kufika pa 7. Manambara ghakupanga vinthu ghakaŵavya ng’anamuro m’paka apo munthu munyake wakakoranga data ya BMS.
Nyengo ya CV phase nayo yikukura apo mabatire ghakukura. Nkhani ya BU-409 pa Yunivesite ya Battery yikulongosora mwakudumura za chinthu ichi. Selo yakunangika iyo yili na 82% ya nkhongono yakukhalira yikulipira mwaluŵiro yayi chifukwa pali nkhongono zichoko zakuzura. Icho chikutora pafupifupi nyengo yose pamoza na selo yiphya chifukwa chikunjira mu CV mode mwaluŵiro ndipo chikukhala nyengo yitali mu taper ya low-current. Kuyana kwawo nkhwakovwira: Munyamata uyo wakuchita maseŵero gha kucimbira wakucimbira mpaka ku umaliro kwambura kucedwa, apo wakucimbira mulara wakumba kwenda pakati pa msewu.

Vinthu ivyo vikukhwaska kutentha ivyo ni vyakuzirwa nadi
Ma sheet ghakulongora umo vikugwilira ntchito pa 25℃. Nkhawonapo yayi nyumba yakusungiramo katundu iyo yikusunga 25℃chaka-kuzungulira mu malo ghakulipilira.
Pakati pa 20℃na 25℃, vyose vikugwira ntchito nga umo vikuwonekera. Ichi ndicho chiyambi chinu.
Pakati pa 5℃na 20℃, muzamuwona panji 5% ku 15% kuchepeska nkhongono na nyengo zakulipilira zitali pachoko. Ma opareshoni ghanandi ghakuwona yayi.
Pakati pa 0℃na 5℃, BMS pa dongosolo lililose lakwenelera yizamuyamba kuwuskapo mtengo wa sono. Lindilirani kuti nyengo zakulipilira ziŵe kaŵiri panji katatu. Ndapima mapaketi gha 48V 400Ah agho ghakulipira mu maora 2.5 pa 22℃kutora maora ghakujumpha 7 pa 3 degree.
Pansi pa 0℃ndipo vinthu vikuŵa vyakofya. Kulipira LiFePO4 pansi pa kuzizima kukupangiska kuti lithiamu yiŵe pa malo gha anode. Kuwonongeka uku nkhwanyengo zose ndipo kukusazgikira, kukuchepeska nkhongono na umoyo wa mzere na chilichose icho chikuchitika. BMS yiwemi yikukanizga kulipira kose pa nyengo iyi, kweni nakumana na ndondomeko zakutchipa izo zikulongora waka ungweru wakuchenjezga ndipo zikuzomerezga uyo wakugwira ntchito kuti wajumphepo. Lekani kugomezga BMS iyo yikumuzomerezgani kulipira pasi pa 0℃. Nkhani ya BU-410 pa Battery University yikulemba umo ŵakuŵikira lithiamu ndipo yikulongora vithuzithuzi vyakuwonera vinthu ivyo vyanangika.
Pamwamba pa 45℃, kulipira kukuchitiska kuti vinthu vinangikenge mwaluŵiro chomene. Usange malo ghinu ghakuchajirapo ghakutentha mu chilimwe, panji musinthe malo ghakuchajirapo panji kuŵikamo mphepo. Ndawona mapaketi ghakutaya 15% mu chilimwe chimoza chifukwa ghakaŵa kuti ghakulipira pafupi na doko lakunyamulira katundu lakulaŵiska kumwera - kwambura mphepo.
The takeaway yakugwira ntchito: nyengo yinu yakulipilira kuwerengera yikukhumbikwira chinthu chakunozga kutentha. Tebulo ilo lili musi umu likulongora ivyo nkhugwiliskira ntchito pakupima ntchito.
| Kutentha kwa mtundu | Nkhongono zilipo | Multiplier wa nyengo yakulipilira | Mlingo wa ngozi |
|---|---|---|---|
| 20 digiri mpaka 25 digiri | 100% | 1.0x | Palije |
| 10 digiri mpaka 20 digiri | 95% mpaka 100% | 1.0x mpaka 1.1x | Pasi |
| 5 digiri mpaka 10 digiri | 88% mpaka 95% | 1.1x mpaka 1.3x | Pachoko |
| 0 digiri mpaka 5 digiri | 75% mpaka 88% | 1.5x mpaka 2.5x | Kukwera, sonosono apa |
| Pansi pa 0 digiri | 50% mpaka 75% | Kuchaja kwakanizgika | Ngozi ya kuŵika lithiamu |
| 35 digiri mpaka 45 digiri | 100% | 1.0x | Kuchekura mwaluŵiro |
| Pamwamba pa 45 digiri | 100% | 1.0x | Kunangika kwakuzirwa |
Suzgo la Kusankha Nkhongono Ilo Palije Uyo Wakuyowoya
Mazgu ghanandi ghakudumbiskana pa Intaneti ghakuwona kuti nkhongono ya batire ni fumbo lakuti "chikuru nchiwemi". Mukuchita, kusankha pakati pa kukula kwa maselo kukupanga malonda agho ghakukhwaska nkharo ya kulipira, kulongozga kwa kutentha, na kugomezgeka kwa nyengo yitali-.
Maselo ghakuru gha prismatic nga ni 280Ah panji 314Ah mitundu ghali na mtengo wakucepa pa kWh. Kweni chiŵelengero chawo cha pa malo -ku -volume chili chichoko, kung’anamura kuti ŵakusunga makora kutentha kweni ŵakutenthemaso kufuma ku kuzizima kwakunyoŵa pachokopachoko.
Nkhachitanga mayeso ghakuyaniska nyengo ya chiwuvi iyo yajumpha pa maselo gha 100Ah na 280Ah kufuma ku wakupanga yumoza. Kuyambira pa -15℃, maselo gha 100Ah ghakafika pa kutentha kwakuvikilirika mu mphindi 14 na ndondomeko yithu yakutenthemeska. Maselo gha 280Ah ghakatora mphindi 23. Pafupifupi 10 mphindi mphambano pa mtengo mzere.
Pa ntchito zakusinthana na mawindo ghakumanyikwa ghakuŵikamo magesi, ivi vingaŵa vyakuzirwa yayi. Yambani heater mphindi 30 pambere nyengo yindakwane ndipo mabatire ghakuŵa ghakunozgeka para mukukhumba. Pa -mapulogalamu ghakukhumbikwa na kutumizgika kwambura kukhazikika, mphindi 10 zakusazgikira zingaŵa zakukwana mu ntchito yinu yose.
Nkhani yinyake njakuti maselo-ku - maselo ghakuyana waka. Pack iyo yikupangika kufuma ku maselo gha 100Ah yili na maselo ghanandi gha munthu payekha agho ghakukhumbikwira kuti ghaŵe ghakuyana. Kweni maselo ghachokoghachoko agha ghakutemwa kulongora kuti ghakukolerana chomene mukati mwa batch chifukwa thermal gradients pa nyengo yakupanga yikuŵa yichoko. Kasitomala munyake wakasintha kufuma ku maselo gha 320Ah ku maselo gha 100Ah makamaka chifukwa chakuti BMS yawo yikaŵanga yakuwofya nyengo zose pa mphambano ya magesi. Pack ya 320Ah nyengo zose yikalongoranga kuti 50mV yikuthandazgika pakati pa maselo. Pack ya 100Ah yakusintha yikukhala pasi pa 15mV.
Ici nchakuzirwa pa nyengo ya kulipira cifukwa BMS balancing yikucitika kuumaliro wa msinkhu wa kulipira. Kupambana kwa magesi ghakuru kukung’anamura nyengo yitali yakulinganizgirako, iyo yikusazgapo nyengo yose kuti yifike pa charge yakukwana yaunenesko.
| Kawonekero ka Selo | Mtengo pa kWh | Kuchira kwa Kuzizima | Kukhaliska kwa Batch | Pulogalamu Yiwemi Chomene |
|---|---|---|---|---|
| 100Ah yakuwoneka | Kukwera (+15% mpaka 20%) | Mwaluŵiro (14 min kufuma pa -15 digiri) | Kukhoma (kaŵirikaŵiri<15mV spread) | Mapulogalamu ghakusinthasintha, malo ghakuzizima |
| 280Ah yakuwoneka | Pasi | Pachedwa (23 min kufuma pa -15 digiri) | Pakatikati (20-40mV kuthandazgika mwachizoloŵezi) | Mapulogalamu ghakukhazikika, kutentha kwakukhazikika |
| 314Ah yakuwoneka | Papasi chomene | Kuchedwa chomene | Kusintha kwa wakupanga | Mapulogalamu ghapachanya-ghakukwana, mtengo-wakukhwaskana |
C-Kusankha Mlingo na Nyengo Zakulipira Zapacharu Chose
C-mlingo ukulongora kuti kulipira sonosono apa nga ni unandi wa nkhongono. Batiri la 100Ah ilo likuchaja pa 1C likupokera 100 amps. Pa 0.5C, yikupokera 50 amps.
Ubale pakati pa C -mlingo na nyengo yakulipilira ulije mzere chifukwa cha chigaŵa cha CV. Kuŵika kaŵiri magesi ghinu ghakuchajira kukupangiska kuti nyengo yose yakuchajira yiŵe hafu yayi.
Pa 0.5C, paketi ya LiFePO4 yakumanyikwa yikutora pafupifupi mphindi 100 mu CC mode kuti yifike pa 80% SOC, ndipo pamanyuma pake mphindi zinyake 40 mpaka 50 mu CV mode kuti yimalizge kulipira. Pafupifupi maora 2.5.
Pa 1C, chigaŵa cha CC chikukhira kufika pafupifupi pa mphindi 50, kweni chigaŵa cha CV chikutoraso mphindi 35 mpaka 45. Pafupifupi maora 1.5.
Mukaŵika kaŵiri nyengo yasono kweni mukadumura waka nyengo yose na 40%. Chigaŵa cha CV chikukhazikika mwakukhazikika kwambura kupwelerako za mlingo wa CC.
Pa 2C (usange maselo ghinu ghakukhozgera), CC phase yikukhira panji mphindi 25, CV phase yikukhala pafupifupi mphindi 30 mpaka 40. Pafupifupi ora limoza. Mukaŵika nyengo yasono kanayi pakuyaniska na 0.5C kweni nyengo yikadumulika waka na 60%.
| C-Mtengo | Nthaŵi ya Chigaŵa cha CC | Nthaŵi ya Chigaŵa cha CV | Nyengo yose yakulipilira | Kupanga Kutentha | Mtengo wa vyakumangamanga |
|---|---|---|---|---|---|
| 0.25C | ~3.5 maora | ~50 mphindi | ~4.3 maora | Pachoko | Mzere wakuyamba |
| 0.5C | ~1.7 maora | ~45 mphindi | ~2.4 maora | Pasi | Mzere wakuyamba |
| 1C | ~50 mphindi | ~40 mphindi | ~1.5 maora | Pachoko | +20% mpaka 30% |
| 2C | ~25 mphindi | ~35 mphindi | ~1 ora | Kukwera, kukukhumba kuzizima | +60% mpaka 80% |
Mzati wa kupanga kutentha ngwakuzirwa. C-rates zapachanya zikung’anamura kuti nkhongono zinandi zikutayika nga ni kutentha mukati mwa maselo. Kwambura kulongozga kwakukwana kwa kutentha, kutentha kwa maselo kukukwera apo ŵakulipiliska, ivyo vikupangiska kuti BMS yiŵe na derating, iyo yikupangiska kuti nyengo yakulipilira yiŵe yitali, iyo yikuthereska pachoko waka chilato cha kulipiliska mwaluŵiro. Ndawona 2C - ndondomeko zakupimika izo zikutora nadi nyengo yitali kuluska ndondomeko za 1C mu malo ghakotcha chifukwa BMS yikukhala hafu ya nyengo mu mtundu wa kuvikilira kutentha.

Kumene Nyengo Yakulipilira Yikukolerana na Chuma cha Fleet
Apa ndipo ŵakusankha vya kugura vinthu. Nyengo yakulipilira ni fundo yaukadaulo pera yayi. Vikukhwaska mwaluŵiro unandi wa mabatire agho mukukhumba, unandi wa ma charger agho mukukhumba, na usange magesi ghinu ghangakwaniska katundu.
Lekani nigwirenge ntchito kwizira mu kuyezgelera kwenikweni uko tikachita chaka chamara pa ntchito ya 3PL ku Dallas kuthamanga 36 Kilasi 1 kukhala -pasi forklifts mu mashifiti ghaŵiri.
Nthowa A: Lead-asidi na kusinthana kwa batire
Nthowa ya chikhalidwe. Forklift yiliyose yikukhumbikwira mabatire ghatatu: limoza lakugwira ntchito, linyake lakuchaja, linyake lakuzizima. Mabatire gha lead-acid ghakukhumbikwira maora 8 ghakuchaja pamoza na maora 8 ghakuzizima pambere ghandaseŵezeskekeso. Pafupifupi mabatire 108 pafupifupi $ 4,200 pa mayuniti gha 48V 600Ah.
Ndalama zakugwiriskira ncito pa caka zikaŵanga magesi (lead-acid round-ulendo wakukwana pafupifupi 80% ukung’anamura kutaya kwakuzirwa), nchito ya kuthilira na kunozga, HVAC ya cipinda ca mabatire, na vyakusungika vyakusintha. Lead-acid mu mapulogalamu ghakugwiriskira ncito comene-kukhalilira kwa nyengo 1,500 kufika pa 2,000, ivyo vikung’anamura kuti vikucitika vyaka 3 kufika pa 4 mu vigaŵa viŵiri vyakusintha.
Nthowa B: Lithium na mwaŵi wakulipira
Mabatire gha LiFePO4 ghangaŵa na magesi pa nyengo ya kupumura kwambura kunanga panji kukhumbikwa kwa kuzizima. Forklift yiliyose yikukhumbikwira batire limoza. Pafupifupi mabatire 36 pafupifupi $ 11,800 limoza kwa mayuniti ghakuyana na 48V 400Ah LFP (nkhongono zichoko zikukhumbikwa chifukwa lithiamu yikupereka nkhongono zose nyengo yose yakufumiska, mwakupambana na lead-acid iyo yikwenera kukhala pachanya pa 50% kuti yisungire umoyo).
| Chigaŵa cha Mtengo | Lead-Asidi (mafokilifiti 36) | LifePO4 (mafokilifiti 36) | Kupambana |
|---|---|---|---|
| Mtengo wakwamba wa batire | $453,600 (108 × $4,200) | $424,800 (36 × $11,800) | LFP yikusunga madola 28,800 |
| Makina ghakuŵikamo magesi | $86,400 (36 × $2,400) | $64,800 (36 × $1,800) | LFP yikusunga madola 21,600 |
| Kuzenga chipinda cha mabatire | $45,000 | $0 | LFP yikusunga madola 45,000 |
| Kusintha kwa magesi | Kusazgikamo | $18,000 (katundu wakukwera chomene) | Lead-asidi wakusunga madola 18,000 |
| Ndalama zose izo ŵakaŵika pakwamba | $585,000 | $507,600 | LFP yikusunga madola 77,400 |
Ndalama zakugwiriskira ncito pa caka zikuyowoya nkhani yose:
| Chigaŵa cha Mtengo wa Pachaka | Lead-Asidi | UmoyoPO4 | Kupambana |
|---|---|---|---|
| Magesi (kutayika kwa magesi) | $31,200 | $19,800 | LFP yikusunga madola 11,400 |
| Ntchito yakunozga | $18,700 | $2,400 | LFP yikusunga madola 16,300 |
| Kusintha kwa batire (vyaka 10) | $113,400/chaka | $0 | LFP yikusunga madola 113,400 |
| Kusinthana kwa mabatire (15 min × 2 kusinthana × mazuŵa 250) | $28,125 | $0 | LFP yikusunga madola 28,125 |
| Chipinda cha mabatire HVAC | $8,400 | $0 | LFP yikusunga madola 8,400 |
| Vyose ivyo vikugwira ntchito pa chaka | $199,825 | $22,200 | LFP yikusunga madola 177,625 pa chaka |
Kuŵerengera kwa reserve yakusintha kukughanaghana kuti mabatire gha lead-acid ghakukhala vyaka 3.5 pa avareji mu pulogiramu iyi, ndipo ghakukhumbikwira kusintha mabatire pafupifupi 31 pa chaka pa $ 3,650 yiliyose (mitengo yikukhira pachoko waka pa kusintha apo akaunti yikukhazikiska). LiFePO4 yikukhozgeka kwa vyaka 10 mu pulogiramu iyi kwambura kulindilira kuti wazamusintha.
8-Chaka cha TCO Chidule:
| Lead-Asidi | UmoyoPO4 | |
|---|---|---|
| Kuŵika ndalama pakwamba | $585,000 | $507,600 |
| Ndalama zakugwira ntchito za vyaka 8 | $1,598,600 | $177,600 |
| TCO yose pamoza ya vyaka 8 | $2,183,600 | $685,200 |
| Mtengo wa forklift pa chaka | $7,582 | $2,379 |
Chisankho cha lithiamu chikuguliska 69% pa vyaka 8. Kubwezera pa mphambano ya ndalama zakwamba kukuchitika mu mwezi wa 5.
Kusanda kwapadera uku kukagwiliskira nchito manambara kufuma ku kasitomala wa ku Dallas yura. Manambala ghinu ghazamuŵa ghakupambana mwakuyana na mtengo wa magesi, mtengo wa ŵanchito, umo ŵakusinthira ntchito, na mtengo wa kuzenga mu chigaŵa chinu. Kweni kukura kwa mphambano kukuyimira ivyo nkhuwona mu vigaŵa vinandi vyakusintha kwa multi-.
Ntchito yakusintha yimoza-: Masamu ghakupambanapambana
Chuma chikusintha chomene pa malo ghakusintha kamoza-. Usange vipangizo vikukhala waka maora 14 panji 16 zuŵa lililose, nchito ya kusinthana kwa batire yikusoŵa kufuma mu equation, ndipo lead-acid yili na nyengo yakuti yiŵikepo magesi ghakwenelera na kuzizima na batire limoza.
Kwa 20- forklift yakusintha kamoza:
| Chigaŵa cha Mtengo | Lead-Asidi | UmoyoPO4 |
|---|---|---|
| Mabatire ghakukhumbikwa | 20 | 20 |
| Mtengo wakwamba wa batire | $84,000 | $236,000 |
| Mtengo wakugwilira ntchito wa vyaka 8 | $224,000 | $48,000 |
| TCO ya vyaka 8 | $308,000 | $284,000 |
Lithium wachali kuwina, kweni mzere wake ngwakuchepa chomene. Kulipira kukutora vyaka 4 mpaka 5 m’malo mwa myezi 5. Pa ntchito izo zikumanyikwa yayi pa ndondomeko zawo za nyengo yitali-, ivi vikusintha chiŵelengero cha ngozi.
Ndaŵa na makasitomala mu nyengo iyi kusankha lead-acid makamaka chifukwa ŵakasimikizga yayi kuti ŵachali mu malo agha mu vyaka 5. Icho nchisankho chakwenelera cha bizinesi.
Ivyo BMS Yikuchita ku Nyengo Yinu Yakulipira
Battery Management System yikulaŵilira ivyo vikuchitika nadi para munthu wakuchaja, ndipo mapangidwe gha BMS ghakutchipa ndigho ghakupangiska masuzgo ghanandi ghakuchaja agho nkhumazga.
Nkharo zitatu za BMS izo zikukhwaska nyengo yakulipilira:
Kupima kwakwenelera kwa magesi ya selo.Mafakitale-magulu gha BMS ghakupima magesi gha maselo gha munthu waliyose mukati mwa ± 2mV. Mayuniti gha bajeti ghangakwaniska waka ± 10mV. Mu chingwe cha maselo 16, kuphwanya kwakuwonjezeka kungafika pa 160mV. Ici cikupangiska kuti CV mode yinjire mwaluŵiro, vikupangiska kuti paŵe kugaŵana kwautesi, na kumara kwa malipiro kwambura kukolerana. Ndawona mapaketi agho ghakalongoranga "100%" pa chiwoneskero kweni ghakaŵa nadi kulikose kufuma pa 94% kufika pa 102% kuyana na selo ilo mukapima.
Kulinganiza sono na ndondomeko.Kulinganiza kwambura kuchitapo kanthu kukuwuskapo nkhongono zakujumphapo nga ni kutentha kwizira mu resistors. Kulinganizga kwakugwira ntchito kukupeleka nkhongono pakati pa maselo. Passive balancing kanandi yikuchitika 50 kufika pa 200mA, kung'anamura kuti vikutora maora 5 kufika pa 20 kuti viŵe vyakuyana na 1% SOC mphambano pakati pa maselo. Mayuniti ghanandi gha BMS ghakulinganiska waka pachanya panji pasi pa charge curve, ntheura usange mukulipiliska yayi kufika pa 100%, kulinganiska kungachitika yayi. Kulinganizga kwakugwira ntchito kukudura 15% mpaka 25% chomene kweni kukuchitira vinthu vyambura kulinganizgika mwaluŵiro chomene.
Ma curve ghakutenthemeska.Para kutentha kwa maselo kukukwera, BMS iyo yili kupangika makora- yikuchepeska nkhongono ya magesi kuti yileke kunangika. Suzgo ndakuti ma curve agha ghakupambana chomene pakati pa awo ŵakupanga. Ndawona mayuniti gha BMS agho ghakuchepeska magesi na 50% pa 35℃ndipo ghanyake ghakusunga magesi ghose kufika pa 45 degree. Viŵiri ivi ni vyambura kwenelera yayi, kweni vikupanga nyengo zakupambana comene zakulipilira mu malo ghakufunda.
Fumbani awo ŵakumupani vinthu vya BMS: kuyezga kwakwenelera pa selo, kulinganiska sonosono apa na kupangiska, kukhota kwa kutentha. Usange ŵangatondeka kupeleka vinthu ivi, sangani munthu munyake uyo wakupeleka vinthu ivi.

Mabudi ghakumanyikwa ghakugula vinthu
Kulakwiska 1: Kugwiriskira ncito nyengo ya kulipiliska ya theoretical pa kukura kwa vyakumangamanga.
Ma charger ghinu na ntchito ya magesi vikwenera kugwira ntchito na nyengo yeneco yakuchaja, kuti ni mawerengero yayi. Kuzenga mu 20% mphepete pafupifupi. Mtengo wa oversizing pachoko ngwakucepa comene kuluska mtengo wa kuŵikaso vinthu vinyake pamanyuma.
Kulakwiska 2: Kuleka kughanaghanira kusintha kwa nyengo.
Nthowa iyo yikugwira ntchito makora mu nyengo ya vula yingasuzgika mu nyengo ya chiwuvi. Usange malo ghinu ghakulaŵilirika yayi na nyengo-, sangani data ya nyengo yakulipilira pa nyengo iyo mukulindizga kuti yiŵe yakutentha chomene.
Kulakwiska 3: Kuwona kuti lithiamu yose njakuyana waka.
LiFePO4 kufuma ku ŵakupanga ŵakupambanapambana ŵakuchita mwakupambana. Uwemi wa maselo, kapangidwe ka BMS, na kulongozga kwa kutentha vyose vikukhwaska nyengo zakulipilira za pa charu chose. Kukhumba data yakuyezgeka pa chinthu icho mukugura, kuti ni "batire la lithiamu" yayi.
Kubudiska 4: Kuluwa vya kuchekura.
Nyengo zakuchajira zikusazgikira apo mabatire ghakukura. Nthowa iyo yikukwaniska yayi ivyo mukukhumba para yiphya yizamuŵa yakusoŵa pa chaka cha 3 panji 4. Kupanga kuti umaliro-wa-umoyo uchitike, kwamba-wa-umoyo yayi.
Kulakwiska 5: Kuŵerengera mwakuyana na mzere wose wakufumiska.
Ma opereshoni ghanandi ghakuchitiska yayi mabatire kuti ghaŵe ghambura kanthu. Usange msinkhu winu wakumanyikwa ni 60% yakufumiska, nyengo yinu yakulipilira yikwenera kugwiliskira nchito 60%, 100% yayi. Oversizing kukhazikika pa mzere wose kukunanga nkhongono za vyakumangamanga.
Mazgu ghakulongosora mwaluŵiro vyakuyezgayezga vya pulojekiti
Pakuti mupange ndondomeko yakwamba pambere mundambe kupanga vinthu vyakukwana:
48V 400Ah Umoyo (19.2 kWh)
Kufuma pa 20% SOC pa 0.5C (200A): pafupifupi maora ghaŵiri mpaka kuzura
Kufuma pa 20% SOC pa 1C (400A): pafupifupi maora 1.2 mpaka kuzura
Kusintha kwa kutentha: kuchulukizga na 1.5x pasi pa 10℃, na 2x pasi pa 5℃.
80V 500Ah Umoyo (40 kWh)
Kufuma pa 20% SOC pa 0.5C (250A): pafupifupi maora ghaŵiri mpaka kuzura
Kufuma pa 20% SOC pa 1C (500A): pafupifupi maora 1.2 mpaka kuzura
48V 600Ah Kulongozga Asidi (28.8 kWh yakumanyikwa, 14.4 kWh yakugwiriskirika nchito pa 50% DoD)
Kufuma pa 50% SOC: maora 8 ghakulipira pamoza na maora 8 ghakuzizima
Palije mwaŵi wakulipiliska
Manambala agha ghakughanaghana kuti chipinda chikuŵa na mabatire ghawemi. Sinthani mwakuyana na mikhaliro yinu yeneco.
Kusanga manambara ghakwenelera gha opareshoni yinu
Ma calculator ghakumanyikwa ghakupereka mazgoro ghakumanyikwa. Pakusankha vyakugula ivyo vikukhwaskana na ndalama zinandi, mukukhumbikwira kupenda mwakuyana na vipangizo vinu, malo, na umo mukugwilira ntchito.
Tikuchitiska kusanda kwakukwana kwa nyengo ya kulipira nga ni chigaŵa cha pulojekiti yithu ku Polinovel. Titumirani ndondomeko yinu ya batire, nyengo yakugwilira ntchito, kutentha kwa malo, na kusangika kwa mawindo ghakuchajira. Tizamuyezga nyengo zakulipilira izo mukulindizga na kumulongorani umo kusintha kwakupambanapambana kukukhwaskira ivyo mukukhumba pa vyakumangamanga na TCO.
Kusanguluka kuli kwaulere kwa mapulojekiti ghakujumpha mayuniti 10. Pa mapulojekiti ghachoko, nchakwenelera kuti mudumbiskane kuti muwoneseske kuti mukubudiska yayi chimoza mwa viheni vyakumanyikwa vyakupima.
Lumikizanani: sales@polinovelpowbat.com
Mathebulu gha data ghakulongora umo vinthu vikuchitikira ivyo vikuwoneka mu ŵakupanga vinthu ŵanandi na mapulogiramu. Ivyo vikufumamo vikuthemba pa umo maselo ghakuŵira, umo BMS yikuŵikira, umo chilengiwa chikuŵira, na umo yikugwilira ntchito. Vinthu vyakunozga kutentha vikuthemba pa kemiko ya LiFePO4; NMC na makemikolo ghanyake vingaŵa vyakupambana. Mawerengero gha TCO ghakugwiriskira ncito vigomezgo ivyo vikuyowoyeka mu malemba; vyakusangikamo vyeneko vikukhumbikwira kusanda kwa saiti-.
Mazgu ghakuyowoya:
1. Yunivesite ya Batiri, "BU -409: Kulipiliska Litiyamu -ion" na "BU-410: Kulipiliska pa Kutentha Kwapachanya na Kwapasi" (batteryuniversity.com/nkhani/bu 410-kulipiliska-pa-kutentha-kwapachanya-na-kwapasi)
2. BloombergNEF, "Kafukufuku wa Mtengo wa Batiri 2024" wakulemba mitengo ya paketi ya pafupifupi iyo yikukhira kufika pa $ 139 / kWh pa charu chose (pafupifupi.bnef.com)

