Chii chinonzi Cell Bancing?

Kuenzanisa kwesero kunoenzana nevoltage uye mamiriro ekuchaja pamasero ega ega mubhatiri pack. Kuita uku kunodzivirira mamwe maseru kuti asachajirwe asi mamwe achiramba akachajiswa, izvo zvisiri izvo zvinodzikamisa kugona kwepakeji inogoneka uye inowedzera kuderedzwa.

Iyo tekinoroji inoshanda zvakanyanya kune lithium ion bhatiri pack masisitimu uko maseru anobatana munhevedzano. Kana sero rimwe rasvika pakuchaja kana kuburitsa, paki yese inofanira kumira kushanda-kunyangwe mamwe maseru asara.

Misiyano yekugadzira inogadzira maseru ane hunyanzvi hwakati siyanei, ma impedances, uye mwero-kuzviburitsa. Kunyangwe maseru kubva muboka rimwe chete rekugadzira anoratidza misiyano iyi. Pamusoro pechaji yakadzokororwa-inoburitsa, misiyano midiki iyi inosanganiswa kuita kusaenzana kukuru.

Paki isina kuenzana inogona kuburitsa gumi muzana pane nameplate simba pane yega kutenderera, ichivharira kure simba iro vashandisi vakabhadharira uku vachiwedzera kushatisa pasero rega rega. Masvomhu akatwasanuka: mu1000 kWh system ine 100 series maseru, kana sero rimwe richigara pa90% state of charge vamwe vachisvika 100%, paki yese inongokwanisa kuwana 900 kWh zvisinei nekuchengeta 999 kWh.

Temperature gradients inowedzera dambudziko. Masero ari padyo nemotor kana zvemagetsi anoona tembiricha yepamusoro, izvo zvinoshandura kemikari yavo yemukati zvakasiyana nemasero anotonhorera. Izvi zvakatipoteredza zvinogadzira kusaenzana kunoramba kuripo kunyangwe mushure mekutanga kuenzanisa.

Masero asina kuenzana anogona kuderedza hupenyu hwebhatiri pack kusvika ku30%, kunyanya mumakemistri akaita seLiFePO4 kana NMC. Sero risina kusimba rinoratidza kuti kuchaja kunofanira kumira riini uye kana kuburitsa kwasvika painogumira-chimwe chinhu chinodaidzwa nevainjiniya kuti "weakest link".

Nzira nhatu dzekutanga dzinodzinga maseru kubva pachiyero mulithium ion bhatiri pack:

Mamiriro ezvinhu akasiyanazvinobuda maseru paanotanga nechaji isina kuenzana panguva yekubatanidza kana kugadzira-mitengo yakasiyana yekuzviburitsa. Sero rinoburitsa 0.1% nekukurumidza kupfuura vavakidzani varo rinodonha 4.4% yakaderera mushure mekudzokororwa kutenderera, sezvakanyorwa mubhatiri chemistry research.

Capacity mismatcheszvinoitika nekuti hapana maseru maviri ane simba rekuchengetedza simba rakafanana. Magadzirirwo ekugadzira anogadzira maseru ane 2-5% kugona mutsauko kunyangwe mukati mezvakaomesesa zvakatemwa. Sezvo masero anokura pamitengo yakasiyana, kusiyana uku kunowedzera.

Impedans kusiyanakonzera kuti maseru apindure zvakasiyana nekuyerera kwazvino. Kuwedzera kwemukati kuramba mune mamwe masero kunoreva kuti vanosvika pamagetsi emagetsi nekukurumidza panguva yekuchaja uye kudonha kune cutoff voltages nekukurumidza panguva yekubuda.

Kana huwandu hwekuchaja huwandu hukapfuurwa negumi chete%, mwero wekuderera unowedzera ne30%. Iyi exponential hukama pakati pevoltage nekudzikira kunoita kuti kunyatso kuenzanisa kuve kwakakoshera hupenyu hurefu.

Cell Balancing

Passive balancing inobvisa simba rakawandisa kubva ku-maseru akachajiwa ari pamusoro nekuabvisa sekushisa kuburikidza nezvinodzivirira. Iyo sisitimu inotarisisa magetsi esero rega rega uye inoita kuti bypass resistors ibude ropa kubva kumaseru ari pamusoro penhanho inotarirwa.

Iyo hardware yakatwasuka: sero rega rega rinobatana kune shunt resistor kuburikidza nekuchinja, kazhinji MOSFET. Kana iyo bhatiri manejimendi system yaona sero voltage inodarika chikumbaridzo, inovhara iyo sero switch, routing ikozvino kuburikidza neresistor kusvika voltages yakaenzana.

Operating parameters: Magadzirirwo emaitiro anoshandisa bypass currents ari pakati pe50-200 mA. The balancing resistor value inotara kuti chaji yakawandisa inokurumidza kupera sei- common values kubva pa20-100 ohms pakushandisa lithium-ion.

Iyo nzira inoshanda zvakanyanya panguva yekuchaja kana iyo paki ine kunze kwesimba sosi. Mumabhatiri e lithium-eion ane akadzikira zvikuru-anobuda, apo kuunganidza kusaenzana pamutsetse kunowanzova kuri pasi pe 0.1%, bypass current yemukati maFETs inokwana kuchengetedza paki kuti irambe iri pakati nepakati.

Zvakanakira: Mutengo wakaderera, kutenderera kuri nyore, uye kuvimbika kwepamusoro kunoita kuti pave nekuenzanisa sarudzo yakajairika yemagetsi evatengi uye madiki ebhatiri mapaketi. Izvo zvikamu zvinobatanidza zviri nyore mune iripo bhatiri manejimendi masisitimu pasina huru dhizaini shanduko.

Kuganhurirwa: Kuraswa kwesimba ndiyo yekutanga dhizaini-100% yekuchajisa yakawandisa inoshandura kupisa pane kuendeswa kumaseru akapera. Izvi zvinodzikisira kuita kwese kwese system uye kudzikamisa passive balancing kune maapplication uko nguva isingamanikidzwe. Panguva yekubuda, passive balancing inopfupisa nguva yekumhanya nekuti inongobvisa simba pane kuigovera zvakare.

Active balancing transfers charges kubva kumusoro{{0}voltage cell to lower-voltage cells uchishandisa magetsi emagetsi. Panzvimbo pokupedza simba sokupisa, gadziriro yacho inoiendesa kwainodiwa.

Matatu makuru matopology anobata kuendesa kubhadharisa:

Capacitive shuttlinginoshandisa capacitor sekuchengetedza simba kwenguva pfupi. Sisitimu iyi inobatanidza capacitor kune yakakwira-voltage cell, yoichaja, yobva yaichinja kuenda kune yakaderera-voltage cell kuti ibude. Izvi zvinoitika kakawanda kusvikira masero aenzana. Iyo nzira inoshanda nemazvo kumaseru ari padyo asi inova isingashande pamusoro pemadaro marefu mupakiti.

Inductive balancinginoshandisa inductors kana transformers kuendesa simba pakati pemasero. DC-Majita eDC anoshandura magetsi anodiwa kufambisa charge kubva pane rimwe sero kuenda pane rimwe. Tsvagiridzo ichangoburwa inoratidza nzira yehybrid duty cycle balancing yakawana kuenzana mumaawa 6.0 zvichienzaniswa neawa 9.2 yemaitiro akajairwa panguva yekuchaja.

Bidirectional DC-zvinoshandura DCipa iyo yakanyanya kuchinjika nzira, inobvumira kufambisa kwesimba mune chero nzira pakati pechero maseru mupakiti kana pakati pemaseru ega nepaki rese. Iyi topology inobata mafambiro akakura azvino-masisitimu emazuvano anotsigira 2.5-10A balancing currents zvichienderana nedhizaini yekushandura.

Mamiriro-e-Magadzirirwo emagetsi ekugadzirisa masimba akavandudza simba rekushandisa ne16% zvichienzaniswa nemapakiti asina kuenzanisa. Iyo nyowani SoP nzira yekuyera yakavakirwa pakugona kwesimba chaiko kwete kungoita voltage kana mamiriro ekuchaja, ayo anoratidza kunyanya kushanda kune ekare mabhatiri ane akasiyana siyana.

Performance metrics: Masisitimu anoshanda anowanzo kuwana 85-95% yekufambisa simba zvakanaka. Kuoma uku kunosanganisira zvimwe zvikamu-maswichi, mainductors, macapacitor, uye control circuitry-izvo zvinowedzera mutengo nezvinodiwa zvepanzvimbo.

Nguva yekushandisa inoshanda kuenzanisa: Mahombe bhatiri mapaketi mumotokari dzemagetsi, magidhi ekuchengetedza masisitimu, uye zvigadzirwa zvemaindasitiri zvinoruramisa mutengo wepamusoro. Iyo yakagadziridzwa kushanda nesimba uye nekukurumidza kuenzanisa nguva inopa kudzoka kurinani pakudyara kana huwandu hwepakeji hunopfuura 10 kWh kana kana kukurumidza kutendeuka kuchiita basa.

Iyo bhatiri manejimendi sisitimu inotarisisa riini uye nehukasha hwekuyeresa maseru zvichienderana nematanho akati wandei:

Voltage{{0}based balancingzvinokonzeresa kana kusiyana kwemagetsi esero kuchidarika chikumbaridzo, kazhinji 10-50 mV yemakemikari e-lithium-ion. Iyo BMS inotaridza yakaderera sero voltage, yobva yayera maseru ese mukati mechikamu chakatsanangurwa cheiyo shoma. Iyi nzira iri nyore inoshanda nekuvimbika asi haiverengeri mutsauko wehukuru pakati pemaseru.

State of charge balancinginoshandisa SOC estimation algorithms kuona sero yega yega nhanho yekuchaja zvinoenderana nehukuru hwayo. Iyi nzira inoratidza kuti ndeyechokwadi kupfuura magetsi-anoenderana nemaitiro nekuti ndiwo anoenderana nekusiyana kwehuwandu. Iyo BMS inoyera yakaenzana neSOC muzana pane yakaenzana voltages.

State of power balancinginomiririra nzira itsva, kunyanya yakakodzera sezera remabhatiri. Iyi nzira inokodzera mabhatiri ekare ane hunyanzvi hwakasiyana nekuti inoyera zvichienderana nekuchaja chaiko kwete kungovimba neSOC percent kana voltage value.

Nguva inobata nyaya: kuyera panguva yekuchaja kunoita kuti inyatso nzwisiso yemasisitimu ekungoita sezvo simba rekunze riripo. Active masisitimu anogona kuenzanisa panguva yekuchaja, kuburitsa, kana nguva yekuzorora. Mamwe madhizaini epamusoro eBMS anoita kuenderera mberi, kugadzirisa machaji esero pese parinoshanda.

Kugadzirisa zvikumbaridzo: Tanga kuenzanisa magetsi anowanzo kuseta akatenderedza 3.5V yelithium iron phosphate maseru, ayo anoratidza zvingangoita 5-10% mamiriro ekuchaja. Musiyano mukuru wemagetsi pakati pemaseru unowanzo kunanga 10 mV, asi mamwe maapplication anoshandisa 20 mV kukurumidza kuenzanisa kuwanda kusati kwanatswa kusvika kushiviriro yakasimba.

Motokari dzemagetsi dzinopa zvinonyanya kudiwa kuenzanisa masero nekuda kwehukuru hwemagetsi, huwandu hwetembiricha yakakura, uye nguva zhinji yekuchaja-macycles.

EV bhatiri pack rine 96-400 maseru munhevedzano, kazhinji anorongwa kuita mamodule e24 parallel-akabatana maseru. Iwo anoenderana maseru mukati memodhi yega yega akaenzana, asi akateedzana-akabatana mamodule anoda anoshanda manejimendi.

The active cell balancing market yakasvika $1.41 bhiriyoni muna 2024 uye mapurojekiti kukura pa18.2% gore negore kuburikidza 2033. Uku kuwedzera kunopindirana zvakananga nemagetsi ekugadzirwa kwemotokari pasi rose, kunyanya muAsia uko China, Japan, neSouth Korea zvinotungamira mukugadzira uye kutora.

Performance zvinodiwa: EV balancing masisitimu anofanirwa kubata 100+ maseru, anoshanda pane ese tembiricha kubva -20 dhigirii kusvika 60 dhigirii, uye kupindura mukati memasekonzi kune kukurumidza kudiwa kwesimba panguva yekumhanyisa uye regenerative braking.

Kuitwa kwekuedza kwe advanced balancing topologies kwakawana kusangana kweSOC mumasekonzi angangoita 400 kune ina-cell series pack panguva yekubuda. Kuyera izvi kukugadzira EV mapakeji ane 96+ maseru kunoda hunyanzvi hwekudzora algorithms uye-magetsi emagetsi anoshanda akanyanya.

Iyo indasitiri yemotokari inonyanya kushandisa passive balancing kunyangwe inoshanda masisitimu 'yepamusoro kuita. Kunzwa kwemitengo mumotokari dzevatengi, yakasanganiswa neyakakwana kungoyedza kuyera kune mazhinji ekutyaira maitiro, inoita kuti nzira iri nyore iwedzere kunaka mune zvehupfumi. Zvisineyi,-maEV anoshanda epamusoro uye mota dzekutengesa dziri kuramba dzichiita kuenzanisa nekuita kwayo.

Cell Balancing

Yakakodzera sero kuenzanisa kunowedzera hupenyu hwebhatiri kuburikidza nemaitiro akawanda:

Kuderedza kushushikana pamasero ega ega: Kana maseru ese anoshanda padhuze neSOC imwe chete, hapana sero rimwe chete rinosangana nekuwedzeredza kana zviitiko zvakadzika zvekuburitsa. Iyi yunifomu kurapwa inononotsa kugona kupera mukati mese paki.

Kutarisira tembiricha: Masero akaenzana anogadzira mamwe mayunifomu ekugovera kupisa. Mapaketi asina kuenzana anogadzira nzvimbo dzinopisa uko maseru akachajiswa anobvisa simba rakawanda, achigadzira magradients anopisa anowedzera kuchembera munzvimbo dzakakanganisika.

Voltage kutevedzera: Kuchengeta maseru mukati memhando dzevoltage yakakwana kunodzivirira kugadzirwa kwelithium metal plating pane anodhi panguva yekuchaja yakawandisa uye kunodzivirira kunyungudika kwemhangura panguva-yakabuda. Zvose zviri zviviri zvinoderedza zvachose kukwanisa kwesero.

Mabhatiri anopeta ane-maseru anoenderana zvakanaka uye akaenzana anoratidza kudyidzana kwakasimba pakati pesero nekugara kwenguva refu, nekusawirirana kwehuwandu hwe12% zvichikonzera kudzikira kwakanyanya mumacycle 18.

Zvekuchengetedza zvinoremerwa zvinopfuura kuita:

Lithium masero akachajiswa ane njodzi yekumhanya kwemafuta-kuitika kwetani apo tembiricha inokwira ichikonzera kusangana kwemakemikari kunounza kupisa kwakawanda. Iyo yakanaka mhinduro loop inogona kutungamirira kumoto kana kuputika. Kuenzanisa kwesero kunodzivirira masero ega ega kuti asasvike kune njodzi overvoltage mamiriro kunyangwe mamwe maseru ari mupakiti akasara ari pamazinga akachengeteka.

Zviratidzo zveyambiro zvemuviri zvekusaenzana kwakanyanya zvinosanganisira kuzvimba kwesero, kugadzirwa kwekupisa panguva yekuchaja, uye nekukurumidza kudonha kwemagetsi panguva yekushandiswa. Zviratidzo izvi zvinoratidza kuti paki inoda sevhisi yekukurumidza kana kutsiva kudzivirira zviitiko zvekuchengetedza.

Mhando dzakasiyana dzekushandisa dzinoda nzira dzakasiyana dzekuenzanisa:

Consumer electronics(mafoni, malaptop, maturusi emagetsi): Passive balancing inokwana mapaketi ari pasi pe24V ane 6-8 masero akateedzana. Mutengo wakaderera unoenderana nekunzwa kwemutengo wekushandisa, uye nguva dzekuchaja dzinopa nguva yakakwana yekuti masystems aenzanise maseru.

Motokari dzemagetsi: Active balancing inova mutengo-unoshanda pamapakiti ari pamusoro pe400V ane mazana emaseru maseru. Iko kukurumidza kuenzanisa uye kushanda kwepamusoro kunoruramisa kuwedzera kwemagetsi kuoma.

Grid simba rekuchengetedza: Masisitimu makuru ebhatiri anochengeta megawati-maawa esimba anoda kuenzanirana kwakadzama. Musika webhatiri cell balancing system wakasvika madhora bhiriyoni 1.82 muna 2024 uye mapurojekiti 18.7% kukura kusvika 2033, zvichifambiswa zvakanyanya neutility-chikero chekuchengetedza.

Aerospace uye zvigadzirwa zvekurapa: Aya maapplication anoda kuvimbika kwepamusoro uye anowanzo tsanangura inoshanda kuenzanisa zvisinei nemubhadharo. Mhedzisiro yekutadza kushanda kwebhatiri mundege kana upenyu-zvishandiso zvinotsigira zvinopa mhinduro dzepamusoro.

Mafirosofi maviri anotungamira kuti mainjiniya anoseta sei zvibodzwa zvekuenzanisa:

Top balancinginoenzanisa maseru kana akazara, kuve nechokwadi chekuti maseru ese anosvika 100% SOC panguva imwe chete. Iyi nzira inowedzera huwandu huripo panguva yega yega yekubuda. E{{3}mabhasikoro uye masisitimu ekuchengetera solar anowanzo shandisa kuenzanisa kwepamusoro nekuti vashandisi vanosarudza kuwanikwa kwehuwandu pane kudzivirira kubva pamvura yakadzika.

Pazasi kuenzanisainoenzanisa maseru munzvimbo dzakaderera dzekuchaja, kuve nechokwadi chekuti maseru ese anosvika asina chinhu panguva imwe chete. Mazano aya anopa dziviriro iri nani kubva pakudarika{1}}kukuvadzwa kwezvinobuda uye anoshanda zvakanaka kumaapplications anogara asina kudzika macycles pane kuyerera zvakanyanya.

Chisarudzo chinoenderana nemaitiro ekushandisa uye zvakakosha. Zvishandiso zvinosimbisa kugona (senge mota dzemagetsi dzine huwandu hwekushushikana) inofarira kuenzanisa kwepamusoro. Zvishandiso zvinotungamira hupenyu hurefu uye chengetedzo (senge backup magetsi masisitimu) kazhinji inosarudza kuyera pasi.

Mamwe masisitimu epamberi anoshandisa nzira dzakasanganiswa, kuenzanisa pamatunhu akazara uye asina chinhu kuti akwidzise kugona uye hupenyu hurefu.

Tsvagiridzo yakaburitswa muna 2024-2025 inoratidza akati wandei ari kubuda nzira:

Machine kudzidza kubatanidzwa: Zvidzidzo zvenguva pfupi yapfuura zvinobatanidza kuenzanirana nemamodheru ekudzidza muchina kufanotaura kusara kwehupenyu hunobatsira, uchishandisa R-squared and mean metrics kukanganisa kuongorora maitiro manomwe akasiyana ekufanotaura. Kubatanidzwa uku kunobvumira proactive balancing zvigadziriso zvichibva pane zvakafanotaurwa kuchembera kwesero maitiro.

Yakaderedzwa chikamu magadzirirwo: Novel inductor{{0}based balancing circuits uchishandisa maswiti nhamba akaderedzwa anoratidza kushanda nesimba kuburikidza-nenguva chaiyo hardware-mu-loop simulation paOPAL-RT 5700 masisitimu. Aya akarerutswa topology akaderera mutengo uchichengetedza kuita.

AI-based battery management systems: Kuvandudzwa kweramangwana kunotarisisa masisitimu anoshandisa-data renguva chaiyo yekutarisisa pasina waya, ichipa ruzivo rwakakwana nezvehutano hwebhatiri, SOC, uye kuona kukanganisa. Chinangwa ndechekudzikisira nguva yekudzikira uku uchiona kushandiswa kwesimba kwakanaka.

State-ye-Magadzirirwo eSimba: Kupfuura voltage neSOC-zvichienderana nemaitiro, maalgorithms matsva anotarisisa kugona kwesero rega rega rekuunza magetsi. Izvi zvinotaridza kukosha sezvo zera remabhatiri uye hunhu hwemaseru hunosiyana kubva kune zvawo zvepakutanga.

Musika wepasi rose wekuenzanisa IC wakasvika madhora bhiriyoni 1.32 muna 2024, paine fungidziro yekukura kusvika kumadhora 2.51 bhiriyoni panosvika 2033 pachikamu che7.4% chekukura kwepagore. Uku kuwedzera kwemusika kunoratidza kuwedzera kuoma mukuenzanisa zvigadziriso pazvikamu zvese zvekushandisa.

Mainjiniya anogadzira bhatiri mapaketi anofanirwa kuenzanisa zvinhu zvakawanda:

Kuenzanisa ikozvino vs kumhanya: Yepamusoro kuenzanisa mafungu anoenzana maseru nekukurumidza asi anogadzira kupisa kwakawanda uye anoda zvimwe zvakasimba zvikamu. Mataurirwo akajairika anotangira pa50 mA kune madiki passive masisitimu kusvika ku10A kune makuru anoshanda masisitimu.

Kusarudzwa kwechikamu: MOSFETs ekuita kuenzanisa kunoda zviyero zvazvino uye kushoma pa-kuramba. Kushanda kuenzanisa kunoda kungwarira inductor uye capacitor kusarudzwa kuti uwane chinangwa chekubudirira mazinga uchibata saizi uye zvinonetsa.

Thermal management: Kunyangwe kungoita kuenzanisa kunoburitsa kupisa kunofanirwa kupera pasina kukanganisa maseru ari pedyo. Active masisitimu anoburitsa kupisa kushoma pasero asi anoiisa mumagetsi emagetsi anoda kutonhorera yakatsaurirwa.

BMS kubatanidzwa: Iyo yekuenzanisa hardware inofanirwa kutaurirana neiyo yakazara bhatiri manejimendi system, kugovera voltage uye tembiricha data uchigamuchira mirairo yekudzora. Mapuroteni akajairwa senge CAN bhazi anofambisa iyi kubatanidzwa.

Mametric akati wandei anoongorora kuenzanisa system kuita:

Kuenzanisa nguva: Inguva yakareba sei kuunza maseru ese mukati meiyo yakanangwa voltage kana SOC renji. Passive masisitimu anowanzoda maawa, nepo masisitimu anoshanda achiwana mhedzisiro mumaminetsi kusvika maawa akati wandei zvichienderana nekusaenzana kuoma.

Kushanda kwesimba: Ingapi muzana yesimba rinogovaniswa rinosvika yakaderera{{0}masero akachajwa maringe nekuparara sekurasikirwa. Active masisitimu anowana 85-95%, passive masisitimu anosvika 0% netsanangudzo sezvo ivo vanongoparara.

Capacity retention: Iyo nzira yekuenzanisa inochengetedza huwandu hwepakeji pamusoro pemazana ematenderera? -Masisitimu akagadzirwa anoratidza kushomeka kwesimba kuri pasi pe500 pamacycles anokurudzirwa.

Tembiricha inokwira panguva yekuenzanisa: Kupisa kwakanyanya kunoratidza kusakwana dhizaini yekupisa kana hukasha hwakanyanya kuenzanisa paramita inoda kugadziriswa.

Kuyedza maprotocol anowanzo sanganisira kugadzira kusaenzana kwemaune, wobva wayera kuti nekukurumidza uye zvinobudirira sei sisitimu inoagadzirisa pasi peakasiyana tembiricha uye mutoro mamiriro.

Zviitiko zvinoverengeka zvinoderedza kuenzanisa kushanda:

Zvisungo zvisizvo: Kuseta iyo yakanyanya voltage musiyano idiki inogadzira mamiriro emujaho apo iyo BMS inogara ichichinja pakati pemasero pasina kufambira mberi. Mazhinji masisitimu anoshanda zvakanyanya aine 10-20 mV zvikumbaridzo pane kuyedza sub-5 mV chaiyo.

Kuenzanisa panguva yekubuda ne passive system: Izvi zvinopedza simba rebhatiri nekubvisa simba rinogona kugonesa mutoro. Passive balancing inofanira kuitika kunyanya panguva yekuchaja kana yekuzorora.

Kuregeredza tembiricha mhedzisiro: Cell voltage inosiyana netembiricha, uye kuyera kunoenderana nekuyerwa kwevoltage pasina muripo wetembiricha zvinotungamira mukukanganisa. Hunhu BMS magadzirirwo anosanganisira tembiricha kugadzirisa zvinhu.

Kupfuura-kuvimba nekuenzanisa: Kuenzanisa kunobatsira asi hakugadzirise matambudziko akakosha semasero akakundikana kana kuderedzwa kwakanyanya. Kana maseru asiyana nekupfuura 15-20% mukuwanda, kuenzanirana chete hakuzodzorere kuita kwepakiti-sero kutsiva kunove kuri madikanwa.

Kusakwana kwekuenzanisa zvirevo: Zvigadzirwa zvevatengi dzimwe nguva zvinomira pakuenzanisa kugona kudzikisa mutengo, zvichikonzera kudzikiswa kwehuwandu uye kutadza kwekutanga. Maindasitiri uye emotokari maapplication anowanzo tsanangura kwakasimba kuyera kuti uve nechokwadi chehupenyu hurefu.

Nepo lithium-ion applications iri kutonga nhaurirano dzekuenzanisa masero, machemistries akasiyana ane zvinodiwa zvakasiyana:

Lithium iron phosphate (LiFePO4): The flat voltage curve panguva zhinji yechaji inoita kuti voltage{{0}based balancing isashande. SOC-based algorithms inoshanda zvirinani, kunyangwe LiFePO4's yakakwirira yega-discharge ichienzaniswa nedzimwe lithium chemistries ichida kugaro enzanisa.

Nickel manganese cobalt (NMC): The linear discharge curve uye clear voltage-SOC relationship inoita zvese voltage{{1}based and SOC-based balancing kushanda. Temperature senitivity inoda kungwarira kutonga kwekupisa panguva yekuenzanisa.

Lead{{0}mabhatiri ane acid: Aya mabhatiri ane marara anotendera maparallel-akabatana reservoir cells kuti aenzanise. Kusimba kwekemikisi kunobvumira nzira dziri nyore, dzakaomarara kupfuura zvinobvumidza mabhatiri e-lithium.

Imwe neimwe chemistry's voltage maitiro, tembiricha senitivity, uye miganho yekuchengetedza inoraira yakaringana kuenzanisa paramita uye nzira.

Cell Balancing

Munda unoenderera mberi nekushanduka sezvo tekinoroji yebhatiri inofambira mberi:

Mabhatiri-akasimba: Kana mabhatiri akasimba-elithium asvika pakutengesa, maitiro awo akasiyana emagetsi angada nzira itsva dzekuyera. Kushaikwa kweelectrolyte yemvura kunoshandura maitiro ekutadza uye maitiro ekuchembera.

Wireless balancing: Tsvagiridzo inoongorora capacitive kana inductive simba rekufambisa pakati pemaseru asina kunangana magetsi ekubatanidza, zvingangorerutsa dhizaini yepakiti uye kuderedza kuoma kwewaya.

Kuzvienzanisa-masero: Vamwe vagadziri vanoongorora kuvaka basic balancing circuitry zvakanangana mumaseru ega ega pane padanho repakeji, vachigovera basa rekuenzanisa mubhatiri rese.

Predictive balancing: Panzvimbo pekuita kuenzanisa kana kusaenzana kunenge kwaonekwa, maalgorithms ekufungidzira anogona kufanogadzirisa-masero kuchaji zvichibva pane zvinotarisirwa mashandisirwo uye kuchembera.

Zviitiko izvi zvine chinangwa chekuvandudza kuvimbika, kuderedza mutengo, uye kuwedzera hupenyu hwebhatiri sezvo kuchengetedza kwesimba kuri kuwedzera pakati pezvifambiso uye grid zvivakwa.

Mapaketi chete ane maseru munhevedzano anoda kuenzanisa. Mabhatiri-esero rimwe chete uye anofambirana-chete magadzirirwo anodzikama kuburikidza nekubatanidza kwawo chaiko. Nekudaro, dzinenge dzese lithium ion bhatiri paki madhizaini ane anopfuura sero rimwe munhevedzano anobatsirwa kubva kune imwe nzira yekuenzanisa sezvo maseru anokura uye hunhu zvinosiyana.

Mazuva ano bhatiri manejimendi masisitimu anodzikama otomatiki panguva yega yega kutenderera kwechaji kana misiyano yevoltage ichipfuura zvikumbaridzo. Iyo paki haidi kupindira kwemaoko. Kuti uwane hupenyu hurefu hwakakwana, kubvumira iyo BMS kuti inyatso kuenzanisa maseru ese gumi-20 matenderedzwa nekuzadza chaji yakazara kunobatsira kuchengetedza kuenderana.

Kunyanya kuenzanisa kunogona kukonzera matambudziko. Kunyanya hutsinye kuenzanisa kuenzanisa kunorasa simba uye kunogadzira kupisa kusingakoshi. Kugara kunoshanda kuenzanisa kunowedzera kupfeka kwechikamu uye kunoburitsa kuchembera kudiki kubva kune yekuchajisa kutenderera. Zvakanaka-masisitimu akagadzirwa akaenzana chete pazvinenge zvichidiwa, kutsvaga kuenzana pakati pekugadzirisa nekushanda.

Kutadza kwechikamu, zvisizvo zvigadziriso zveBMS, kuomarara kwesero, kana kukanganisa kwekugadzira mudhizaini yekuyera kunogona kudzivirira kuyera kunoshanda. Tembiricha yakanyanyisa inogonawo kukanganisa kushanda kwakanaka-masisitimu mazhinji anombomira kudzikamisa kana tembiricha yepakiti yakadarika miganhu inodzivirira kudzivirira kupisa kwemafuta.

Cell balancing inomira sechinhu chakakosha kuhunyanzvi hwemazuva ano hwebhatiri, kunyanya mu lithium ion bhatiri pack application inotenderera mota dzemagetsi kuti idzokezve kuchengetedza simba. Iko kushanduka kwehunyanzvi kubva kune yakapusa passive resistor network kuenda kune yakaomesesa inoshanda inochaji yekugoverazve masisitimu inoratidza kukura kuri kuda kuiswa pakuita kwebhatiri uye hupenyu hurefu. Sezvo shanduko yepasi rose yakananga kumagetsi ichikurumidzira, tarisira kuenderera mberi kwehunyanzvi mukuenzanisa nzira dzinodzvanya kugona kwesero rega rega uchiona kushanda kwakachengeteka, kwakavimbika muzviuru zvechaji.