Simba bhatiri system yakaenzana manejimendi
Kuenzanisa huwandu uye simba mutsauko pakati pemaseru ega ega mubhatiri pack uye nekuvandudza chiyero chekushandiswa kwesimba rebhatiri pack, saiti yekuenzanisa inodiwa panguva yekuchaja nekuburitsa. Zvichienderana nekuti dunhu rinoshandisa sei simba panguva yekuenzana, rinogona kukamurwa kuita zvikamu zviviri: simba rekubvisa simba uye simba risiri{1}}rudzi rwekuparadza. Mhando yekurasa magetsi inobvisa simba rakawandisa sekupisa, ukuwo simba risiri-rudzi rwekudzima rinotamisa kana kushandura simba rakawandisa kune mamwe mabhatiri.
Kuraswa kwemagetsi-mhando yeequilibrium management
Kuraswa kwemagetsi-mhando dzemaseketi ekuenzana kunoita kuti pave nekuenzana kuburikidza nekuvharidzira ikozvino yekuchaja kuburikidza nezvinopikisa zvakafanana mumaseru ebhatiri, sezviri kuratidzwa muFigure 8-12. Ichi chimiro chedunhu chiri nyore, uye nzira yekuenzanisa inowanzopedzwa panguva yekuchaja. Zvisineyi, haikwanise kudzoreredza simba re-kugona maseru ega ega, zvichikonzera kupera kwesimba uye kuwedzera kurema pahurongwa hwekutarisira kupisa. Energy dissipation-mhando midziyo yemagetsi inowanzowira mumapoka maviri:
Magetsi anoparadza-mhando yemidziyo yemagetsi inowanzowira muzvikamu zviviri: Chekutanga, anogara ari shunt resistor equalization charging circuit, apo shunt resistor inogara yakabatana mukufambirana nebhatiri rega rega. Iyi nzira inoratidzwa nekuvimbika kwepamusoro uye kukosha kukuru kwe shunt resistor, kuderedza misiyano musero rega rega nekuda kwekubuda kwako-kuburikidza neyakagadziriswa shunt. Izvo zvisingabatsiri ndezvekuti shunt resistor inogara ichidya simba panguva yekuchaja uye kuburitsa, zvichikonzera kurasikirwa kukuru kwesimba; kazhinji inokodzera zvikumbiro apo simba rinogona kudzorerwa nekukurumidza.
Chechipiri, switch-inodzorwa shunt resistor equalization kuchaja sekiti, uko shunt resistor inodzorwa ne switch. Panguva yekuchaja, kana bhatiri rega rega rasvika pa cutoff voltage, mudziyo wekuenzanisa unodzivirira kuwandisa uye unoshandura simba rakawandisa kuita kupisa. Iyi yakaenzana yedunhu inoshanda panguva yekuchaja uye inogona kuvharira ikozvino kune yega maseru ane yakakwira voltages panguva yekuchaja. Izvo zvisingabatsiri ndezvokuti nekuda kwenguva shoma yekuenzana, huwandu hukuru hwekupisa hunogadzirwa panguva yeshunt hunoda kubviswa panguva yakakodzera kuburikidza nehutu hwekutonga kwekushisa, iyo inonyanya kuonekwa mumabheti ebheteri ane masimba makuru.
Semuenzaniso, mune 10Ah bhatiri pack, musiyano wevoltage we100mV unogona kuguma nemusiyano wehuwandu hwepamusoro pe500mAh. Kana nguva yekuenzanisa iri maawa maviri, shunt ikozvino i250mA, shunt resistance inenge 14Ω, uye kupisa kunogadzirwa kunenge 2Wh.
Kwete-simba rekuparadza mhando yekuenzanisa manejimendi
Maseketi asiri-anoparadza simba anoshandisa simba shoma pane maseketi ekuparadza simba, asi chimiro chawo chedunhu chakaoma. Ivo vanogona kukamurwa kuita marudzi maviri: simba rekushandura kuenzana uye simba rekufambisa kuenzana.
Kuchinja Kwemagetsi Bancing
Simba rekushandura kuenzanisa kunoshandisa masaini ekuchinja kudzoreredza simba remasero ega ega kubva pabhatiri paki yese kana kushandura simba remaseru ega ega kudzosera kune yakazara bhatiri pack. Iko kutendeuka kubva kune yega sero simba kuenda kune simba rose kunowanzoitika panguva yekuchaja bhatiri, sezvakaratidzwa mumufananidzo 8-13. Dunhu iri rinoona voltage yesero rega rega; kana voltage yeimwe sero inosvika pane imwe kukosha, iyo balancing module inotanga kushanda. Iyo inotsausa iyo yekuchaja musero yega yega kuti ideredze yekuchaja voltage, uye iyo yakatsauswa ikozvino inoshandurwa nemodule uye inodzoserwa kubhazi rekuchaja, kuwana kuenzanisa. Dzimwe nzira dzekushandura simba rekuenzanisa dzinogona zvakare kushandisa freewheeling inductors kupedzisa shanduko yesimba kubva kune rimwe nerimwe maseru kuenda kubhatiri pack.
Dunhu rekushandura simba rebhatiri rose paki kune masero ega rinoratidzwa muMufananidzo 8-14. Iyi nzira inonziwo supplementary balancing. Munguva yekuchaja, iyo hombe yekuchaja module inotanga kuchaja bhatiri paki, nepo voltage yekuona dunhu inotarisisa sero rega rega. Kana iyo voltage yesero yega yega yakakwira zvakanyanya, iyo huru yekuchaja dunhu inodzima, uyezve yekuwedzera balancing yekuchaja module inotanga kuchaja bhatiri pack. Kuburikidza nedhizaini yakagadziridzwa, magetsi ekuchaja mumodule yekuenzanisa anoiswa kune yega yega sero kuburikidza neyakazvimirira DC/DC inoshandura uye coaxial coil transformer, ichiwedzera yakafanana yechipiri mhepo. Izvi zvinoita kuti masero ane voltage yakakwira agamuchire simba shoma kubva kudunhu rekubatsira rekuchaja, nepo maseru ane voltage yakaderera achiwana simba rakawanda, nokudaro achiwana kuenzana. Dambudziko nenzira iyi nderekuti kudzora kuwirirana kwechipiri chemhepo kunonetsa. Kunyangwe nekutendeuka kwakafanana, tichifunga nezve transformer leakage inductance uye mutual inductance pakati pechipiri windings, masero ega anogona kusagamuchira yakafanana yekuchaja voltage. Uyezve, iyo coaxial coil inosanganawo nekupera simba, uye iyi nzira yekuenzanisa inongogadzirisa kusaenzana kwekuchaja, kutadza kugadzirisa kusaenzana munzvimbo yekubuda.
Kutsinhanisa Simba
Kuchinjanisa magetsi kunoshandisa zvinhu zvekuchengetedza simba zvakaita semainductors kana macapacitor kutamisa charge kubva-kukwanisa maseru ega ega kudzikisira-masero mukati mebhatiri pack, sezviri kuratidzwa paMufananidzo 8-15. Seketi iyi inofambisa simba pakati pemaseru ari pedyo nekuchinja macapacitor, kutamisa charge kubva pakakwirira-voltage kuenda kuzasi-mavoltage masero kuti awane kuenzana. Neimwe nzira, bidirectional simba rekufambisa pakati pemaseru ari pedyo rinogona kuwanikwa uchishandisa inductive simba rekuchengetedza. Seketi iyi ine simba rakaderera, asi inoda kuchinjirwa kakawanda panguva yekuenzanisa, zvichiita kuti pave nenguva yakareba yekuenzanisa uye kuita kuti isakodzere kune akawanda-masero ebhatiri mapaketi. Iyo capacitor yakavandudzwa{{10}yekuchinja kuenzanisa inogona kuwedzera sipidhi yekuenzanisa nekusarudza epamusoro-voltage uye yakaderera-voltage maseru ega ega ekufambisa magetsi. Zvisinei, simba rekugadzirisa uye kushandiswa kwekushandura dunhu mumagetsi ekufambisa kuenzanisa kwakaoma.
Kunze kweiyo nzira dzekuenzanisa dziri pamusoro, kushaja kwe trickle kunogona kushandiswawo kuwana kuenzanisa kwebhatiri panguva yekuchaja maapplication. Iyi ndiyo nzira yakareruka uye haidi ekunze ebetsero yedunhu. Zvinosanganisira kuramba uchichaja nhevedzano-yakabatana bhatiri paki ine diki ikozvino. Nekuda kwekuti kuchaja iko kudiki, kuchaja zvakawandisa hakuna zvakunoita pabhatiri rakazara. Sezvo bhatiri rakakwana rakazara risingakwanisi kushandura simba rakawanda remagetsi kuita kemikari simba, simba rakawandisa rinoshandurwa kuita kupisa. Mabhatiri asina kukwana zvakakwana, zvisinei, anogona kuramba achigamuchira simba remagetsi kusvikira asvika kuzara. Nenzira iyi, mushure menguva yakati rebei, mabhatiri ese anosvika pakuchaja kwakazara, nokudaro achiwana kugona kuenzana. Nekudaro, iyi nzira inoda nguva refu yakaenzana yekuchaja uye inoshandisa huwandu hwakati wandei hwesimba kuti uwane kuenzana. Uyezve, iyi nzira haishande mukugadzirisa discharge equalization.
Matambudziko muApplication
Mabhatiri ekuyeresa aripo anonyanya kuona huwandu hwebhatiri zvichienderana nemagetsi ebhatiri pack-voltage-based balancing method. Kuti uwane kuenzanisa kwebhatiri pack, kurongeka kwepamusoro uye kurongeka mukuonekwa kwemagetsi kwakakosha. Iyo leakage ikozvino mune voltage yekuona dunhu inokanganisa zvakananga kuenderana kwebhatiri pack. Naizvozvo, kugadzira yakareruka uye inoshanda voltage yekuona dunhu idambudziko rakakosha rekuenzanisa maseketi. Uyezve, voltage haisi iyo yega chiyero chehuwandu hwebhatiri. Kuramba kwemukati uye kusangana nekupokana munzira yekubatanidza kunokonzeresa kusiyana kwevoltage. Naizvozvo, kungovimba nevoltige yekuenzanisa zvinogona kutungamira kune-kuenzanisa uye kutambisa simba. Muzviitiko zvakanyanyisa, zvinogona kutokonzera kusaenzana mubhatiri pack, zvisinei nekutanga kugona kuenzanisa.
Maseketi ekubvisa magetsi ari nyore muchimiro, asi madhizaini ekuyera anodya simba panguva yekudzingirwa kwazvino uye anogadzira kupisa, zvichikonzera kupisa kwekutonga nyaya. Sezvo ivo vachinyatso dzikamisa yakawandisa kana yakaderera terminal voltages mumaseru ega ega kuburikidza nekupera simba, iwo anokodzera chete static balancing. Kukwira kwadzo-kwetembiricha kunoderedza kuvimbika kwehurongwa, zvichiita kuti dzisakodzere kuenzanisa zvine simba. Iyi nzira inokodzera chete -kukwanisa kutakura mabhatiri mapaketi.
Maseketi ekufambisa magetsi inzira yekubhadhara bhatiri, apo bhatiri repamusoro-rinopa simba kuti ritsigire-bhatiri rine simba rakaderera. Kunyange zvichikwanisika, nzira iyi yakaoma, yakakura, uye inodhura nekuda kwekudiwa kwekutariswa kwevoltage yemasero ega ega mudunhu chairo. Uyezve, kufambisa kwesimba kunowanikwa kuburikidza nemagetsi ekuchengetedza simba, ayo anounza mashandisiro esimba uye kutonga nyaya. Iyi nzira yekuenzanisa inowanzoshandiswa mumabhatiri epakati kusvika makuru.
Simba rekushandura maseketi, kune rumwe rutivi, shandisa shanduko yemagetsi kuti uwane shanduko yesimba. Kuenzaniswa nemaseketi ekufambisa simba, iwo haana kunyanya kuoma uye anodhura. Zvisinei, kune coaxial coil, kureba uye maumbirwo akasiyana-siyana ewaya dzinobatanidza mahwindi kusero rega rega zvinoguma nekuchinja kwakasiyana siyana, zvichikonzera kusaenderana kwekuenzanisa kwesero rega rega uye zvichikonzera kukanganisa kuenzanisa. Pamusoro pezvo, iyo coaxial coil pachayo inoshandisa simba nekuda kwekudonha kwemagetsi uye zvimwe zvinhu.
