Kuyera Sero Kunowedzera sei LifePo4 Battery Pack Hupenyu?

Kana midziyo inoda kwenguva refu, kushanda kwepamusoroLifePo4 bhatiri paki, vanofanira kuenzanisa sero rimwe nerimwe. Sei LifePo4 bhatiri paki inoda kuenzanisa bhatiri? LifePo4 mabhatiri ari pasi pemaitiro akawanda akadai se overvoltage, undervoltage, overcharge uye discharge current, thermal runaway uye bhatiri voltage kusaenzana. Chimwe chezvinhu zvinonyanya kukosha kusaenzana kwesero, iyo inoshandura voltage yesero rega rega mupakiti nekufamba kwenguva, nekudaro nekukurumidza kuderedza huwandu hwebhatiri. Kana LifePo4 bhatiri pack rakagadzirirwa kushandisa maseru akawanda munhevedzano, zvakakosha kugadzira hunhu hwemagetsi kuti ugare uchienzanisa maseru voltages. Izvi hazvisi zvekuita kwebhatiri pack chete, asiwo kugadzirisa kutenderera kwehupenyu. Chinodiwa chedzidziso ndechekuti kuenzanisa kwebhatiri kunoitika bhatiri risati ravakwa uye rinofanirwa kuitwa mukati mehupenyu hwebhatiri kuitira kuchengetedza kushanda kwakanaka kwebhatiri! Iko kushandiswa kwebhatiri kuenzanisa kunotibvumira kugadzira mabhatiri ane huwandu hwepamusoro hwekushandisa nekuti kuenzanisa kunobvumira bhatiri kuwana yakakwira mamiriro ekuchaja (SOC). Unogona kufungidzira uchibatanidza LifePo4 Cell units munhevedzano sekunge uri kudhonza chireyi nembwa dzakawanda dzechireyi. Chireyi chinogona chete kudhonzwa nehunyanzvi hwepamusoro kana imbwa dzese dzechireyi dzichimhanya nekumhanya kwakafanana. Nembwa ina dzine chireyi, kana imbwa imwe inovhiiwa ichimhanya zvishoma nezvishoma, ipapo dzimwe imbwa nhatu dzinokweva chireyi dzinofanirawo kuderedza kukurumidza kwadzo, nokudaro zvichideredza kushanda zvakanaka, uye kana imbwa imwe inotungamirirwa nechireyi ichimhanya, inoguma yadhonza mutoro wedzimwe imbwa nhatu dzinokweva chireyi. kuzvikuvadza. Nokudaro, kana masero akawanda eLifePo4 akabatanidzwa munhevedzano, mavheti emagetsi emasero ose anofanira kuenzana kuitira kuti awane LifePo4 battery pack inoshanda. Iyo yezita reLifePo4 bhatiri yakayerwa kungoita 3.2V chete, asi mukatikumba simba rekuchengetedza masisitimu, inotakurika magetsi emagetsi, maindasitiri, telecom, mota yemagetsi uye microgrid application, isu tinoda zvakanyanya kupfuura iyo yezita voltage. Mumakore achangopfuura, rechargeable LifePo4 mabhatiri akaita basa rakakosha mumabhatiri emagetsi uye masisitimu ekuchengetedza simba nekuda kwekureruka kwavo, kusimba kwesimba, hupenyu hurefu, huwandu hwepamusoro, kukurumidza kuchaja, kuderera kwekuzviburitsa uye kushamwaridzana kwezvakatipoteredza. Kuenzanisa kwesero kunovimbisa kuti magetsi uye kukwanisa kwesero rimwe nerimwe reLifePo4 zviri pamwero wakafanana, kana zvisina kudaro, mararamiro uye nguva yehupenyu yeLiFePo4 bhatiri pack ichaderedzwa zvikuru, uye kushanda kwebheteri kuchaderedzwa! Naizvozvo, LifePo4 cell balance ndechimwe chezvinhu zvakakosha pakuona kunaka kwebhatiri. Panguva yekushanda, gap shoma remagetsi richaitika, asi tinogona kuichengeta mukati mechikamu chinogamuchirwa kuburikidza nekuenzanisa kwesero. Panguva yekuenzanisa, maseru epamusoro anoenda kuzere kuchaja / kuburitsa kutenderera. Pasina kuenzanisa kwesero, sero rine simba rinononoka inzvimbo isina simba. Kuyera maseru nderimwe remabasa akakosha eBMS, pamwe nekutarisa tembiricha, kuchaja uye mamwe mabasa anobatsira kuwedzera hupenyu hwepaki. Zvimwe zvikonzero zvekuenzanisa kwebhatiri: LifePo4 bhatiri pcak isina kukwana simba rekushandisa Kusveta zvazvino kupfuura bhatiri rakagadzirirwa kana kupfupisa bhatiri ndiko kunokonzeresa kutadza kushanda kwebhatiri nguva isati yakwana. Kana LifePo4 bhatiri paki richibuda, maseru asina simba anobuda nekukurumidza kupfuura maseru ane hutano, uye anosvika mashoma emagetsi nekukurumidza kupfuura mamwe maseru. Kana sero rasvika shoma voltage, iyo yese bhatiri paki inobviswawo kubva pamutoro. Izvi zvinoguma nekusashandiswa kwesimba rebhatiri pack. Kuparara kwesero Kana sero reLifePo4 richichaja zvakawandisirwa kunyangwe zvishoma pamusoro pekukosha kwayo uyezve hupenyu hwesero hunodzikiswa. Semuenzaniso kuwedzera kudiki kwekuchaja voltage kubva pa3.2V kuenda ku3.25V kuchapwanya bhatiri nekukurumidza ne30%. Saka kana kuenzanisa kwesero kusiri iko kudiki zvakare kuwedzeredza kudiki kunoderedza hupenyu hwebhatiri nguva. Kuchaja Kusina Kukwana kweSero Pack Mabhatiri eLifePo4 anobhadhariswa panguva inoenderera ari pakati pe0.5 uye zvakare 1.0 mitengo. Iyo LifePo4 bhatiri voltage inokwira sezvo kuchaja kunoramba kuchiuya kumusoro kana kwabhadharwa zvachose mushure mezvo kudonha. Funga nezve maseru matatu ane 85 Ah, 86 Ah, uye 87 Ah zvakateerana uye zana muzana SoC, uye maseru ese anozoburitswa uyezve SoC yavo inoderera. Unogona kuziva nekukasira kuti sero 1 rinopedzisira rave rekutanga kupera simba rakapihwa kuti rine yakaderera kugona. Kana simba richinge raiswa pamasero pack pamwe neayo chaiwo arikuyerera achipfuura nemaseru, zvakare, sero 1 rinorembera kumashure mukuchaja uye rinogona kutariswa kubhadhariswa zvizere sezvo mamwe masero maviri akasiyana achichajwa. Izvi zvinoreva kuti masero 1 ane kuderedzwa kweCoulometric Effectiveness (CE) nekuda kwekuzvipisa kwesero kunoguma nekusaenzana kwesero. Thermal Runaway Chinhu chakanyanya kutyisa chinogona kuitika ndechekutiza kwekushisa. Sezvatinonzwisisalithium maserovanonzwa zvakanyanya pakuchajisa pamwe nekuburitsa zvakanyanya. Mupakiti yemasero mana kana sero rimwe riri 3.5 V nepo mamwe akasiyana ari 3.2 V mutero uchabhadharisa maseru ese pamwechete nekuti ari munhevedzano uye zvakare ichabhadhara iyo 3.5 V sero kune yakakura kupfuura yakarairwa voltage nekuti akasiyana mamwe mabhatiri achiri kuda kuchaja.Izvi zvinotungamira mukupisa kwekupisa kana mutengo wekupisa kwemukati uchipfuura mwero weiyo inodziya inogona kuburitswa.Izvi zvinoita kuti LifePo4 bhatiri pack ive isingadzoreki kupisa. Chii chinokonzeresa kuti Sero rirege kudzikama mumabhatiri mapaketi? Iye zvino tava kunzwisisa kuti sei kuchengeta masero ese akaenzana mubhatiri pack kwakakosha. Zvakadaro kuti tigadzirise dambudziko nenzira kwayo isu tinofanirwa kuziva kuti sei maseru achiwana asina kuenzana ruoko rwekutanga. Sezvambotaurwa kana bhatiri paki inogadzirwa nekuisa maseru munhevedzano inoitwa shuwa kuti maseru ese anoramba ari mumwechete iwowo voltage mazinga. Saka bhatiri nyowani paki rinogara riine maseru akaenzana. Asi sezvo paki ichiiswa mukushandiswa maseru anobuda pachiyero nekuda kwekutevedzera zvinhu. SOC Kusiyana Kuyera SOC yesero kwakaoma; saka zvakaomesesa kuyera iyo SOC yemaseru chaiwo mubhatiri. Iyo yakakwana sero kuwiriranisa nzira inofanirwa kuenderana nemasero eiyo yakafanana SOC pane iyo chaiyo yakafanana voltage (OCV) madhigirii. Asi sezvo zvisingaite maseru anofananidzwa chete pamatemu emagetsi paunenge uchigadzira paki, musiyano muSOC unogona kukonzera shanduko muOCV munguva yakafanira. Interior resistance kusiyana Zvakanyanya kuoma kuwana maseru eiyo yemukati kuramba (IR) uye sezera rebhatiri, iyo IR yesero inowedzera kuchinjwa uye nekudaro mubhatiri pack haasi ese maseru achave neIR yakafanana. Sezvo isu tinonzwisisa iyo IR inowedzera kune yemukati insusceptibility yesero iyo inosarudza kutenderera kwazvino kuburikidza nesero. Nekuti iyo IR inosiyana yazvino kuburikidza nesero uye zvakare voltage yayo inowana zvakasiyana. Tembiricha mwero Kubhadharisa nekugona kuburitsa kwesero zvinoenderanawo nekupisa kuritenderedza. Mune yakakosha bhatiri paki senge muEVs kana solar arrays, maseru anogovaniswa pamusoro penzvimbo yemarara uye panogona kunge paine tembiricha yemusiyano pakati pepakiti pachayo ichigadzira sero rimwe kuchaja kana kuburitsa nekukurumidza kupfuura maseru asara achikonzera kusaenzana. Kubva pane zviri pamusoro apa, zviri pachena kuti isu hatigone kudzivirira maseru kubva mukusaenzana mukati memaitiro ese. Saka, mushonga chete ndeye kushandisa yekunze system inoda kuti maseru awane kuenzana zvakare mushure mekunge awana asina kuenzana. Iyi sisitimu inodaidzwa kuti Battery Balancing System. Maitiro ekuwana LiFePo4 bhatiri pack chiyero? Battery Management System (BMS) Kazhinji LiFePo4 bhatiri paki haigone kuwana bhatiri kuenzanisa pachayo, inogona kuwanikwa nebhatiri manejimendi system(BMS). Mugadziri webhatiri achabatanidza basa rekuenzanisa bhatiri uye mamwe mabasa ekudzivirira akadai sechaja pamusoro pekudzivirira kwemagetsi, chiratidzo cheSOC, alarm yekushisa / kudzivirira, nezvimwewo pabhodhi reBMS. Li-ion bhatiri charger ine kuenzanisa basa Iyo inozivikanwawo se "balance bhatiri charger", charger inobatanidza basa rekuyeresa kutsigira mabhatiri akasiyana ane tambo dzakasiyana (semuenzaniso 1 ~ 6S). Kunyangwe bhatiri rako risina BMS board, unogona kuchaja bhatiri rako reLi-ion neiyi charger kuti uwane kuenzana. Bancing Board Paunoshandisa bhatiri dhizaini, unofanirawo kubatanidza bhatiri nebhatiri pabalance board nekusarudza socket kubva pabalance board. Kudzivirirwa Circuit Module (PCM) Bhodhi yePCM ibhodhi remagetsi rakabatanidzwa neLiFePo4 bhatiri pack uye basa rayo guru nderokudzivirira bhatiri uye mushandisi kubva pakusashanda. Kuti uve nechokwadi chekushandiswa kwakachengeteka, bhatiri reLiFePo4 rinofanira kushanda pasi pemagetsi akasimba kwazvo. Zvichienderana nemugadziri webhatiri uye chemistry, iyi voltage parameter inosiyana pakati pe 3.2 V pasero yemabhatiri akadzimwa uye 3.65 V pasero yemabhatiri anochajwa. iyo PCM board inotarisisa aya ma parameter emagetsi uye inobvisa bhatiri kubva pamutoro kana charger kana yapfuudzwa. Panyaya yebhatiri rimwe chete reLiFePo4 kana mabhatiri akawanda eLiFePo4 akabatana akafanana, izvi zvinogoneka nyore nekuti PCM board inotarisisa mavhiri ega ega. Nekudaro, kana mabhatiri akawanda akabatana munhevedzano, iyo PCM board inofanirwa kutarisa voltage yebhatiri rega rega. Mhando dzeBattery Bancing Akasiyana siyana ekuyeresa bhatiri algorithms akagadzirirwa LiFePo4 bhatiri pack. Iyo yakakamurwa kuita passive uye inoshanda bhatiri kuenzanisa nzira zvichienderana nebhatiri voltage uye SOC. Passive Battery Balancing Iyo passive bhatiri yekuenzanisa nzira inopatsanura yakawandisa kuchaji kubva kune yakazara simba LiFePo4 bhatiri kuburikidza nezvinhu zvinodzivirira uye inopa ese maseru kuchaja yakafanana kune yakaderera LiFePo4 bhatiri charger. Iyi tekinoroji inovimbika zvakanyanya uye inoshandisa zvishoma zvikamu, nekudaro kuderedza iyo yose system mutengo. Nekudaro, iyo tekinoroji inoderedza kushanda kweiyo system sezvo simba rinoraswa nenzira yekupisa inoburitsa kurasikirwa kwesimba. Naizvozvo, tekinoroji iyi yakakodzera kune yakaderera magetsi maapplication. Active bhatiri kuenzanisa Active charge balancing ndiyo mhinduro kumatambudziko ane chekuita neLiFePo4 mabhatiri. Iyo inoshanda sero balancing tekinoroji inoburitsa chaji kubva pakakwirira simba LiFePo4 bhatiri uye inoendesa kune yakaderera simba LiFePo4 bhatiri. Kuenzaniswa nepassive cell balancing tekinoroji, iyi nzira inochengetedza simba muLiFePo4 bhatiri module, nekudaro ichiwedzera kushanda kwehurongwa, uye inoda nguva shoma yekuenzanisa pakati peLiFePo4 bhatiri pack masero, ichibvumira kukwira kumusoro kuchaja. Kunyangwe iyo LiFePo4 bhatiri paki iri pakuzorora, kunyange yakanyatsoenderana LiFePo4 mabhatiri anorasikirwa nechaji pamitengo yakasiyana nekuti mwero wekuzviburitsa unosiyana zvichienderana nekupisa kwekushisa: kuwedzera kwe10 ° C kwekushisa kwebhatiri kunotowedzera kaviri mwero wekuzviburitsa. . Nekudaro, inoshanda yekuchaja kuenzanisa inogona kudzoreredza maseru kuenzana, kunyangwe iwo akazorora. Nekudaro, iyi tekinoroji ine yakaoma yedunhu, iyo inowedzera iyo yakazara system mutengo. Naizvozvo, inoshanda sero kuenzanisa kwakakodzera kune yakakwira masimba ekushandisa. Kune akasiyana siyana anoshanda ekuyeresa edunhu topologies akaiswa zvinoenderana nemagetsi ekuchengetedza zvinhu, senge capacitors, inductors/transformers, uye zvemagetsi converters. Pakazere, iyo inoshanda bhatiri manejimendi system inoderedza mutengo wakazara weLiFePo4 bhatiri pack nekuti haidi kuwandisa kwemaseru kubhadhara kupararira uye kusakura kusina kuenzana pakati peLiFePo4 mabhatiri. Active bhatiri manejimendi inova yakakosha kana maseru ekare atsiviwa nemaseru matsva uye paine musiyano wakakura mukati meLiFePo4 bhatiri pack. Sezvo anoshanda mabhatiri manejimendi masisitimu anoita kuti zvikwanise kuisa maseru ane yakakura parameter musiyano muLiFePo4 bhatiri packs, goho rekugadzira rinowedzera apo waranti uye mari yekugadzirisa inoderera. Naizvozvo, anoshanda mabhatiri manejimendi masisitimu anobatsira kuita, kuvimbika uye kuchengetedzwa kwebhatiri pack, uku ichibatsira kuderedza mutengo. Pfupisa Kuti uderedze mhedzisiro yesero voltage drift, kusaenzana kunofanirwa kukwenenzverwa. Chinangwa chechero chiyero chekugadzirisa ndechekubvumira LiFePo4 bhatiri paki kushanda padanho rayo rekuita uye kuwedzera huwandu hwayo huripo. Battery balancing haina kukosha chete pakuvandudza mashandiro uyekutenderera kwehupenyu hwemabhatiri, iyo inowedzerawo kuchengetedza chinhu kune LiFePo4battery pack. Imwe yeachiri kubuda matekinoroji ekuvandudza kuchengetedza kwebhatiri uye kuwedzera hupenyu hwebhatiri. Sezvo tekinoroji nyowani yekuyera bhatiri inoteedzera huwandu hwekuenzanisa kunodiwa kune yega LiFePo4 maseru, inowedzera hupenyu hweLiFePo4 bhatiri paki uye inosimudzira kuchengetedzwa kwebhatiri kwese.