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Bhatiri Kuyera: Inogona Sei Kuwedzera Hupenyu Hwebhatiri?

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Sei Mabhatiri Achida Kuenzanisa?


Muruzivo rwemazuva ano rwemabhatiri, tinowanzosangana nezwi rekuti 'bhatiri kuenzanisa.' Asi zvinorevei? Mudzi wechikonzero chiri mukugadzira uye zvinhu zvinoshandiswa mumabhatiri, izvo zvinotungamira kune misiyano pakati pemasero ega mukati mebhatiri pack. Misiyano iyi inokonzerwawo nemhoteredzo umo mabhatiri anoshanda, setembiricha uye mwando. Iyi misiyano inowanzo ratidza mutsauko webhatiri voltage. Pamusoro pezvo, mabhatiri anozvionera ega kuzviburitsa nekuda kwekuvharirwa kwezvinhu zvinoshanda kubva kuma electrode uye mutsauko unokwanisa pakati pemahwendefa. Iko-yega-yekuburitsa mitengo inogona kusiyana pakati pemabhatiri nekuda kwekusiyana kwemaitiro ekugadzira.


Ngatienzanisire izvi nemuenzaniso: Ngatiti mubhatiri pack, sero rimwe rine chaji yepamusoro (SOC) kupfuura mamwe. Panguva yekuchaja, sero iri rinotanga rasvika pakuchaji, zvichiita kuti mamwe ese anenge asati anyatsochajiwa amire kuchaja nguva isati yakwana. Sezvineiwo, kana sero rimwe riine yakaderera SOC, rinosvika pakubuda-kubvisa voltage kutanga panguva yekubuda, kudzivirira mamwe maseru kuburitsa zvizere simba rawo rakachengetwa.


Izvi zvinoratidza kuti mutsauko pakati pemasero ebhatiri haugone kufuratirwa. Kubva pakunzwisisa uku, kudiwa kwekuyeresa bhatiri kunomuka. Battery balancing tekinoroji ine chinangwa chekudzikisa kana kubvisa mutsauko uripo pakati pemaseru ega ega kuburikidza nehunyanzvi hwekupindira kuti ugone kugonesa kushanda kwebhatiri pack uye kuwedzera hupenyu hwayo. Kwete chete kuyera bhatiri kunonatsiridza kugona kwese kwebhatiri paki, asi zvakare kunowedzera zvakanyanya hupenyu hwesevhisi yebhatiri. Naizvozvo, kunzwisisa kukosha uye kukosha kwebhatiri kuenzanisa kwakakosha pakugadzirisa mashandisiro esimba.


Tsanangudzo uye Kukosha kweBattery Balancing


Tsanangudzo: Battery balancing zvinoreva kushandisa matekiniki uye nzira dzekuona kuti sero rega rega riri mubhatiri pack rinoramba richienderana, simba, uye mashandisiro ekushanda. Iyi nzira ine chinangwa chekugadzirisa kushanda kwebhatiri uye kuwedzera hupenyu hwayo kuburikidza nekupindira kwehunyanzvi.


Kukosha: Chekutanga, kuenzanisa kwebhatiri kunogona kuvandudza zvakanyanya mashandiro ebheti rese rebhatiri. Nekuenzanisa, kukanganisa kwekuita kunokonzerwa nekuparara kwemasero ega ega kunogona kudziviswa. Kechipiri, kuenzanisa kunobatsira kuwedzera hupenyu hwebhatiri paki nekudzikisa voltage uye mutsauko wehukuru pakati pemaseru uye kudzikisa kuramba kwemukati, izvo zvinonyatso kurebesa hupenyu hwebhatiri. Chekupedzisira, kubva pakuona kwekuchengetedza, kushandisa bhatiri kuenzanisa kunogona kudzivirira kuwandisa kana kuburitsa zvakanyanya masero ega ega, kuderedza njodzi dzinogona kuitika dzekuchengetedza dzakadai sekutiza kwekupisa.


Nzira dzeBattery Bancing


Dhizaini yebhatiri: Kugadzirisa kusawirirana kwekuita pakati pemasero ega ega, vanogadzira mabhatiri makuru vanoramba vachigadzira uye kugadzirisa munzvimbo dzakadai sedhizaini yebhatiri, kusangana, kusarudzwa kwezvinhu, kutonga kwekugadzira, uye kugadzirisa. Kuedza uku kunosanganisira kuvandudza dhizaini dhizaini, kukwenenzvera dhizaini yepakiti, kusimudzira maitiro ekutonga, kunyatsosarudza zvigadzirwa, kusimbisa kugadzirwa kwekutarisa, nekuvandudza mamiriro ekuchengetedza.


BMS (Battery Monitoring System) Basa Rokuenzanisa: Nekugadzirisa kugoverwa kwesimba pakati pemasero ega ega, BMS inoderedza kusagadzikana uye inowedzera simba rinoshandiswa uye hupenyu hwebheteri pack. Pane nzira mbiri huru dzekuwana kuenzanisa muBMS: passive balancing uye inoshanda kuenzanisa.


Battery Monitoring System


Passive Bancing


Passive balancing, inozivikanwawo sesimba rekubvisa kuenzanisa, inoshanda nekuburitsa simba rakawandisa kubva kumaseru ane voltage yakakwira kana huwandu muchimiro chekupisa, nekudaro ichidzikisa voltage yavo uye kugona kuenderana nemamwe maseru. Maitiro aya anonyanya kutsamira pane parallel resistors akabatana kune yega maseru kuti avhare yakawandisa simba.


Passive Bancing

Kana sero riine chaji yepamusoro kupfuura mamwe, iyo yakawandisa simba inobviswa kuburikidza neyakafanana resistor, kuwana chiyero nemamwe maseru. Nekuda kwekureruka kwayo uye kudhura kwakaderera, passive balancing inoshandiswa zvakanyanya mune akasiyana mabhatiri masisitimu. Nekudaro, ine dhizaini yekurasikirwa kukuru kwesimba, sezvo simba rinobviswa sekupisa pane kushandiswa nemazvo. Mainjiniya anowanzo dzikamisa iyo yekuenzanisa ikozvino kune yakaderera nhanho (yakatenderedza 100mA). Kurerutsa chimiro, nzira yekuenzanisa inogovera tambo yewaya imwechete neyekuunganidza maitiro, uye maviri anoshanda achichinjana. Nepo dhizaini iyi ichideredza kuoma kwehurongwa uye mutengo, inokonzeresa kuderera kwekuenzanisa uye nguva yakareba yekuwana mhedzisiro inooneka. Kune maviri makuru marudzi e passive balancing: yakagadziriswa shunt resistors uye switched shunt resistors. Iyo yekutanga inobatanidza yakagadziriswa shunt kudzivirira kuwandisa, nepo yekupedzisira ichinyatso kudzora switch kuti iparadze yakawandisa simba.


Active Bancing


Active balancing, kune rumwe rutivi, inzira inoshanda yesimba rekutonga. Panzvimbo yekubvisa simba rakawandisa, inotamisa simba kubva kumaseru ane hunyanzvi hwepamusoro kune avo vane hushoma hwekushandisa vachishandisa maseketi akagadzirwa anosanganisira zvinhu zvakaita semainductors, capacitors, uye matransformer. Izvi hazvingoenzanise voltage pakati pemasero asiwo zvinowedzera huwandu hwese hwekushandisa simba.


Active Bancing


Semuyenzaniso, panguva yekuchaja, kana sero rasvika parinogumira voltage, iyo BMS inomisikidza inoshanda kuenzanisa mashandiro. Inozivisa masero ane simba rakaderera uye inotamisa simba kubva ku-high-voltage sero kuenda kune aya ma-low-voltage masero kuburikidza nekugadzirisa zvakanyatsogadzirwa balancer circuit. Iyi nzira ndeyechokwadi uye inoshanda, inosimudzira zvakanyanya kushanda kwebhatiri pack.


Capacitor


Zvese zviri zviviri kuita uye zvinoshanda kuenzanisa zvinotamba mabasa akakosha mukuwedzera iyo inogona kushandiswa yebhatiri pack, kuwedzera hupenyu hwayo, uye kuvandudza mashandiro ehurongwa hwese.


Kana tichienzanisa tekinoroji dzekuita uye dzinoshanda dzekuenzanisa, zvinova pachena kuti dzinosiyana zvakanyanya muuzivi hwekugadzira uye kuuraya. Active balancing kazhinji inosanganisira yakaoma algorithms kuverenga iyo chaiyo huwandu hwesimba rekutamisa, nepo passive balancing inotsamira zvakanyanya pakudzora nemazvo nguva yekuchinja mashandiro kuti aparadze simba rakawandisa.


kungoita uye kushingaira kuenzanisa


Munguva yese yekuenzanisa maitiro, iyo sisitimu inoramba ichitarisa shanduko mumaparamita esero rega rega kuti ive nechokwadi chekuti kuenzanisa mashandiro haaite chete asiwo akachengeteka. Kamwe mutsauko pakati pemasero uchiwira mukati meyakafanotsanangurwa inogamuchirwa renji, sisitimu inopedza basa rekuenzanisa.


Nekunyatsosarudza nzira yakakodzera yekuenzanisa, kunyatsogadzirisa kukurumidza kuenzanisa uye dhigirii, uye kunyatsogadzirisa kupisa kunogadzirwa panguva yekuenzanisa, kushanda uye hupenyu hwebheteri pack inogona kuvandudzwa zvakanyanya.


Wana Yemahara Battery Assessment

Mumwe wedu BMS mainjiniya achapindura mukati maawa makumi maviri nemana.

(Sarudzo. Chete chezvinonetsa zvehunyanzvi)

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