Simba rakachengetwa rakafanana, rinopatsanura nzira mbiri dzakasiyana
Isa maviri akafanana 12V 100Ah mapakeji pamwe chete uye unogara uchiguma neakaenzana 2,400 watt-maawa esimba. Ndeapi akateedzana uye anoenderana wiring anosarudza ndeyeseiIwo mawatt-maawa anounzwa, semagetsi akawanda kana kuti amp-maawa akawanda. Waya mapakeji maviri munhevedzano uye unowana 24V pa100Ah. Waaya iwo akafanana uye unowana 12V pa200Ah. Simba rose harina kumbofamba; magetsi chete{{9}uye{{10}kuparadzana kwazvino ndiwo akaita.
Pfungwa imwe chete iyoyo ndipo panowanikwa nyonganiso yakawanda pakati pezvakatevedzana uye parallel bhatiri zvigadziriso zvinotanga uye zvinopera, zvefoni kana tochi.Kune chero chinhu chinomhanyisa kutenderera kwebasa kuyerwa mumashifiti kwete maminetsi, chikamu chinonakidza haisi iyo arithmetic. Ndizvo zvinoitika pakiti yechitatu, denderedzwa remakumi mana, uye mangwanani mamwe sero rinodonha kubva pakuyera. Ndicho chikamu chinogadzirwa negwaro iri. Kana iwe uchida iyo mbishi simba math kutanga, yedumAh-ku-Wh shandurudzo kupatsanura chinangwa-kuyera simbaanorifukidza zvakachena.
Series stacking: voltage inokwira, ikozvino inogara yakaiswa
Rudzi rwetambo ndiko kupera-ku-kugumisa kubatana, terminal yakanaka yepakiti imwe kuenda kune negative yeinotevera, kusvikira wasvika pavoltige inotariswa nemutongi wemudziyo wako. Mavhiri anowedzera; iyo amp-awa yakatarwa haidaro. Mana 12V mayunitsi munhevedzano anokupa iwe 48V bhangi richiri yakayerwa pane chero chinhu chimwe chinotakura.
Series ndiyo nzira yaunosvika nayo papuratifomu voltage. A 48V gorofu-mota drivetrain, 36V trolling controller, 24V inverter, hapana chimwe cheizvi chinomhanya pakuwanda; dzinomhanya nevoltage, uye nhevedzano yebhatiri yekubatanidza ndiyo nzira chete yekugadzira magetsi iwayo kubva pasi-mavoltage blocks.Kumusoro kunopfuura kurova chinangwa: pavoltige yakakwirira simba rimwe chetero rinokweva zvakaenzana zvishoma, saka kuparara kwetambo kunodonha uye maconductors anotonhorera. Masevenze-akagadziridzwa bhatiri bhangi achisundidzira mutoro unorema achaona zvine mutsindo I²R kudziyisa pane inoenzanirana ichiita basa rimwechete pachikamu chechina chemagetsi.
Pane sirin'i yakaoma inofanirwa kupihwa zita nekukurumidza. Kamwe tambo yakatevedzana yakwira kupfuura ingangoita 50V, iwe wayambuka mundima umo arc uye njodzi yekuvhunduka inoda kungwarira chaiko uye insulated tooling; inomira kuita basa rebhenji renguva dzose.Pazasi pemayuniti mana e12V nzvimbo yekuchengetedza ine rupo; pamusoro payo, bata tambo yacho neruremekedzo inokodzera 48V-plus system. Iyo 50V mutsetse hausi mutemo wepamba. Ndiyo threshold industry low{{9}voltage safety practice inoshandisa kuparadzanisa basa re DC kubva kune zvinhu zvinoda maitirwo.
Parallel stacking: kukwanisa kukwira, voltage inobata
Parallel wiring inosungira zvese zvakanaka pamwe chete uye zvese zvisina kunaka pamwechete, kazhinji zvichimhara pabhara rakagovaniswa kwete daisy cheni. Voltage inogara yakati sandara; amp-maawa akaturikidzana. Matatu 12V 100Ah mapaketi akafanana anokupa 12V pa300Ah, uye kanenge katatu nguva yekumhanya pamhepo iyoyo.
Zvinhu zviviri zvinoita kuti bhatiri rifanane kubatanidza kukwezva kune michina inofanirwa kuramba ichifamba. Yekutanga inguva yekumhanya: uri kuwedzera stamina pasina kubata voltage iyo controller yako yakarongedzerwa. Yechipiri ndeye redundancy. Kana paki imwe chete ikadonha kunze kwenyika, vanopona vanoramba vachidyisa mutoro panzvimbo yekuvhura dunhu rese. Iko kushivirira kukanganisa ndicho chikonzero chinyararire chakafanana-akagadziridzwa mabhangi mabhangi anoratidza chero panomira zvisina kurongwa kunodhura.
Mutengo weiyo stamina ndeyezvino. Kaviri huwandu uye iwe unopeta kaviri iyo inogona kuitika mubhazi. Iyo yekuwedzera ikozvino, kwete voltage uye kwete iyo amp-nhamba yeawa pane iyo label, ndipo apo mabhangi anowirirana anova nenjodzi, uye ndiyo shinda yatinonhonga zvikamu zviviri pasi.
Side-ne-side: voltage, capacity, runtime, uye chii chinototadza
Mazhinji edivi-ne-matafura eparutivi anomira pa"series=volts, parallel=amp-maawa," ndosaka mabhatiri ari mu series vs parallel uyo uri nani mubvunzo unoramba uchiwana mhinduro isina kudzika.Kumutengi wezvikepe zvinodikanwa asi zvisingakwani. Heino vhezheni inoratidza kuti chinangwa-simba pack chinoshanda sei musevhisi:
| Chiyero | Kugadziriswa kwakatevedzana | Kugadziriswa kwakafanana |
|---|---|---|
| Magetsi | Zvinowedzera (eg. 4× 12V → 48V) | Inoramba iripo |
| Kugona (Ah) | Inoramba iripo | Anowedzera |
| Zvazvino mubhazi | Kudzika kune simba rakapihwa | Pamusoro pesimba rakapihwa |
| Cable sizeng | Makondakita akaonda anogamuchirwa | Maconductor anorema anodiwa |
| Dominant kukundikana mode | Sero risina simba rinokweva tambo | Kusaenzana kwazvino kugovana pakati pemapaketi |
| Kukanganisa maitiro | Imwe isina simba link inosimbisa tambo yese | Mapack akasara anoramba achipa mutoro |
| Wiring kurasikirwa pasi pesimba rinorema | Pazasi | Pamusoro |
Mubvunzo unouya zvakavimbika, mabhatiri anogara kwenguva yakareba munhevedzano kana kuti akafanana, ane mhinduro yakachena kupfuura iyo indaneti inoratidza.Kumabhatiri mamwe chete, simba rose rakafanana, uye mutsara unomhanya panguva yakaderera kuitira kuti kurasikirwa kwewaya kwaro kuve kuduku zvishoma. Asi hupenyu chaihwo hwesevhisi hunosarudzwa nekuenzanisa masero uye maitiro eBMS zvakanyanya kupfuura neiyo topology yekubatanidza pachayo. Kudzingirirana ne "refu-kunogara" kuburikidza nesarudzo yewaya chete ndiko kunatsiridza musiyano usiriwo, ndosaka mubvunzo weBMS uchipikisana nebhatiri rinoenderana nebhatiri, kwete mavolts-pa-amp-maawa mubvunzo, ndiwo unonyanya kukosha.
Muganho chaiwo wekuti mangani mapaketi aunogona kubatanidza haisi voltage math, iBMS
Heano mapeji akawanda aasingazoise pamberi pako: lithium pack's series uye parallel ceilings zvinoiswa nebhatiri system yayo, kwete nemasvomhu ekuwedzera mavolts neamp{0}}maawa. Yeduprimer yekuti BMS inotonga sei pakiinofamba kuburikidza nekudzivirira logic kuseri kweizvi.
Chirevo ichocho ichokwadi, uye ndimo zvakare apo dzidziso uye kutumirwa kunosiyana. Padivi rakateedzana, paki yega yega BMS inofanirwa kushandura uye kumiratambo yakazara voltagekuyambuka maFET ayo emukati panguva yekukanganisa, saka iyo FET voltage rating, kwete yako yakananga bhangi voltage, ndiyo muganho chaiwo wekuti mangani eLiFePO4 mabhatiri aunogona kubatanidza munhevedzano. Mazhinji 12V motive-mayuniti emagetsi akaiswa ku4S maximum, achimhara pa51.2V nominal bank, chaizvo nekuti ndizvo zvinoita switching hardware; mugadziri weBMS ekubatanidza madhairekitori anowirirana mukubata iyo FET rating, kwete yezita remagetsi, seanosunga inosunga.Padivi rakafanana, iyo inomanikidza inoenderera ikozvino, uye haina kurongedza zvakachena. Magadzirirwo eruzha anokanganisa kuenderera mberi kwebhanga rakafanana kusvika pa90% yezviyero zvakapfupikiswa zveBMS, nekuti zvazvino hazvimbowanikwe zvakakwana pamapakiti chaiwo ane mukati{9}}kuramba kupararira chaiko. Pachigadzirwa che80V/500Ah-rori rinosvika, kuti 10% yatinosiya nemaune patafura ndiwo mutsauko pakati petambo dzese dzinomhanya mukati memadhigirii mashoma eimwe neimwe uye tambo imwe yakatakura chinyararire kupfuura chikamu chayo.
Imwezve kuudza inopatsanura tsime-pakiti rakagadzirwa kubva kune rakachipa: yakanaka LiFePO4 BMS inotanga kuenzanisa maseru kare, kutenderedza 3.35–3.40V pasero, kwete pamusoro pechaji. Dhizaini inomirira kusvika maseru ave pedyo nesirin'i yawo kuti aenzane iri kukuudza kuti mugadziri wayo anonzwisisa zvishoma sei kemisitiri. Icho chikumbaridzo chiri nani kutenga kuudza pane chero kushambadzira spec sheet. Asi chikumbaridzo chete hachikuudzi kuti-chetatu chepakati chichabata chiyero mukatiwakoduty cycle; iyo yakazara yekutarisa yatinomhanya kana isu takodzera iyo inouya sero batch inogara mukubvarura kwedu kwechii chaizvo chinoparadzanisa imwe forklift lithium pack kubva kune imwe.
Kuchaja kunoitawo zvakasiyana, uye kunoranga iyo isina simba link
Iwo akatevedzana vs parallel bhatiri yekuchaja musiyano ndipo panoitika kukuvara kwakanyarara. Mutambo dzakatevedzana, charger inoona voltage imwe chete ye stack yese, saka sero rakasimba rinobva rarova full charge kutanga uye kuenzanisa kwetambo kunofanira kuburitsa ropa pasi apo sero isina kusimba ichiri kubata; svetuka kuyera kwakaringana uye iwe unoshanda zvakanyanya kune imwe mugumo wetambo kutenderera kwese. Mubhangi rakafanana njodzi inverts. Batanidza mapaketi asiri pamhepo imwe chete yekuzorora uye iyo yepamusoro inorasa ikozvino mune yepasi ipapo iwe unovhara chinongedzo, charger isati yatombobatanidzwa. Kugadzirisa kumativi ese hakuna kunaka: unza paki yega yega kune imwechete yekuchaja usati waisa waya, uye shandisa charger inofananidzwa neyechokwadi system voltage. Ndiro danho rakawanda kufoira kwatinodanwa kuti tasvetuka.
Chii chinokanganisika pachikero chezvikepe, uye nei isiri iyo sero
Pane imwe{{0}pack level hapana chinoruma izvi. Mamiriro ekukundikana anokosha anoonekwa paunowanza mapaketi muboka rengarava, uye anenge asina kumbotadza makemikari esero; idzo sarudzo dzekugadzirisa dzinokubata iwe.
Tora bhazi rakafanana. Njodzi yemusoro haisi iyo waya yakatetepa kune yakajairwa mutoro, ndizvo zvinoitika kana imwe paki BMS ikatadza seyakafa ipfupi. Nenguva isipi, iyo tambo yekudyisa iyo paki inogona kukumbirwa kutakurapamwe cheteikozvino yeimwe paki yese mubhazi. Mapaketi matanhatu ega ega akatemerwa 100A, imwe yakafa ipfupi, uye iyo conductor imwe inoona kusvika ku500A yakanga isina kumboenzaniswa. Zvakatonyanya, kana kuramba kwayo ikabata ikozvino pasi pega ega rwendo rwepakeji inosara, hapana imwe yemamwe mayuniti eBMS inopindira, uye waya inongobika.
Ichi ndicho chikonzero chese chinoita kuti munhu mumwe nemumwe pa-tambo fusing iripo, uye ndicho chinhu chekuti "ingomhanya tambo inorema" inokanganisa. Patinotumira bhanga rakafanana, kugovana kwazvino mumatambo haamboverengeki kufa-chero pazuva rekutanga; mashoma muzana ekupararira pakati petambo zvakajairika, uye ndizvo chaizvo zvinopararira izvo zvinosarudza kuti ndeupi conductor anonyanya kuburitswa kana BMS ikaregedza. Hukuru hwakadii pa-dziviriro yetambo inotoda kuenderana nehuwandu hwepakiti yako, maitiro erwendo rweBMS, uye marongerwo ebhazi, uye ndiyo nhamba imwe chete yatinoda kukura pane yako chaiyo-dhayagiramu pane kufungidzira muchinyorwa.
Rutivi rwenhevedzano rine musungo waro: dambudziko risina simba-sero. Tambo yakatevedzana inoita sengetani, uye imwe iri pasi pe-sero rinoita rinobva ratyairwa kusvika kumagumo aro kutanga. Dhonza sero pazasi zvingangoita 2.8V kunyangwe kamwe uye wakanganisa zvachose; chiitiko chimwe chete pamusoro-chekuburitsa chinokwana, payakaburitswa lithium cell application limits. Iyi ndiyo chaiyo nzira inogadzirwa nemainjiniya edu padanho repack, apocell balancing inochengetedza iyo isina kusimba chinongedzo kubva pakugadzika sirin'i ye80V tambo yakazara. Zvinoenderana, uye zvakangodhura: kusanganisa paki nyowani muchembere bhangi rakafanana. Iyo yekare, yepamusoro-resistance pack inomanikidza idzva kubata basa rakawanda uye rinoramba richirisimbisa; Iwe hauwane avhareji yezviviri, unowana nyowani nyowani inodzikisira kune yekare.
Series-parallel: kuti 48V uye 80V mapuratifomu anovakwa sei
Imwe{{0}parallel bhatiri gadziriso ye48V kana 80V midziyo haiwanzo tora imwe topology; inozvibatanidza, uye hongu, iwe unogona kubatanidza mabhatiri mumutsara uye wakafanana panguva imwe chete kana iwe uchizviita sezvakagadzirwa.Series tambo dzakasungirirwa kuti dzirove papuratifomu voltage, ipapo tambo idzodzo dzinofananidzwa kusvika pakukwanisa. Gumi nenhanhatu 12V maunitsi anove mana 48V akatevedzana tambo, idzo dzinobva dzafanana mune imwe yakakwirira-inokwana 48V kubhangi ichidyisa inverter hombe kana drivetrain. Apa ndipo panowanikwa mwero we "4S4P maximum" pane dhetabheti: inokuudza kuti envelopu inokodzera ine ina munhevedzano uye ina yeaya tambo dzakafanana, sirin'i yevoltage uye sirin'i yekugona mune imwe nhamba. Hamvuropu ye4S4P yakavakwa kubva ku12V 200Ah mabhuroko, semuenzaniso, ndiyo inotora 48V chikuva kusvika kunosvika 800Ah pasina kusiya mugadziri{{19}nzvimbo inokodzera, nzira yekuwedzera yezvikepe vanoshandisa kutambanudza nguva yekumhanya nepakati pekuchinja kaviri.
Iyo 4S4P cap inomutsa mubvunzo wakanaka: sei kumira ipapo apo fizikisi yaizobvumira zvimwe? Chikamu chemhinduro ndeyehunyanzvi. Zvinotonyanya kuoma kuchengeta tambo dzakawanda dzinoenderana zvakaenzana sezvo nhamba inokwira, uye mabhanga makuru anosimudza nhokwe kune vakafa-pfupi scenario iri pamusoro. Zvimwe zvacho imhosva; mugadziri anokodzera envelopu yavanogona kumira kumashure. Uye kupfuura hamvuropu iyoyo, zano rechokwadi harina kujeka: usaite-kuivaka. Kupfuura 4S4P urikuonesa kufambirana kwazvino kugovera uye hunhu husina kunaka husina kugadzirwa timu yekusimbisa, uye inofanirwa kuitwa seyakagadzirirwa gadziriro, isina kuvandudzwa pasaiti. Kana tikapfuura neamvuropu iyoyo, kuongorora{11}kugovera kwazvino ndicho chinhu chekutanga chatinomhanya pabhenji pasati patakurwa paki imwe chete. Nezvemidziyo ye48V, kunyanya magetsi, charger nekutengesa{14}kumashure kwesarudzo iyoyo zvakakosha kuti uverenge usati wazvipira; yedu 48V papuratifomu yekutenga gwara inovaisa kunze.
Kusarudza kugadziridzwa kwesimba rekukurudzira maindasitiri
Bvisa madhayagiramu ewaya uye sarudzo inodzika kune izvo zvinodiwa nemidziyo yako, nenzira iyi:
- Voltage chikuva chekutanga.Mutongi anozviraira. Rori ye48V inoda bhangi 48V; unoivaka netambo yakatevedzana, full stop.
- Ipapo huwandu, hwehurefu hwekuchinja.Kana magetsi agadziriswa, tambo dzakafanana dzinotenga nguva yekumhanya kuti ibvise shanduko izere, kana maviri ane mukana wekuchaja.
- Ipapo kutadza kushivirira.Kana yuniti yakamiswa ikamisa mutsara, kudzokororwa kweiyo paralleled configuration yakakodzera kugadzira nemaune.
- Zvadaro chirongwa chekudzivirira.Iyi ndiyo isingaderedze kuita mutemo wegunwe. Akafananidzwa mapaketi uye kuenzanisa kwekutanga masiteki etafura; iyo-kusanganisa kwetambo, kuderera kwazvino, uye kurongeka kweBMS kunoita kuti bhanga rezvikepe 80V rirambe riripo pasi pemamiriro ezvinhu chaiwo anokanganisa rinokura maererano nerayo imwe-yakagadzirwa, inova nhaurirano inofanira kuva nemapakiti asati asvika murori, kwete mushure.
Kuenzanisa pakati penhevedzano uye yakafanana bhatiri masisitimu ezvikepe zveindasitiri inomira kuve isinganzwisisike nguva yaunoibatanidza kune chaiyo yebasa kutenderera. Kusvika-kusvika katatu-kushanda kwerori uye kupera kwevhiki{{3}kushandisa GSE tug kunosvika mhinduro dzakasiyana kubva kufizikisi imwe chete. Kuwana iyo mepu paki uye BMS nhanho ndiyo yakawanda inoparadzanisa shanduko yezvikepe inoshanda chinyararire kubva kune inogadzira mafoni maviri am. Ndicho chikamu chatinoita sekuvaka, kwete fungidziro: Polinovel yakagadzirisa chinangwa{{9}mapaki emagetsi kuEC, IEC, UL, UN38.3 neMSDS zviyero zve 100+ maOEM munyika 80+ dzose, nesero{13}}kuisa{14}}zvidzoreso zvemhando payuniti yega yega. Kana uri kufungidzira-parallel bhatiri bhangi reimwe voltage platform uye duty cycle,tanga kubva pane-zvinodiwa zvepasi rose zvemudziyo wako nechikwata chedu cheinjiniyakwete kubva kune generic datasheet.
Mibvunzo Inowanzo Bvunzwa
Mubvunzo: Ko mabhatiri anogara kwenguva yakareba mukutevedzana kana kuenderana?
A: Kune mabhatiri mamwe chete, simba rakachengetwa rakafanana; nhepfenyuro inomhanya yakaderera ikozvino uye yakaderera zvishoma wiring kurasikirwa, asi chaiyo sevhisi hupenyu hunotemwa nesero kuenzanisa uye BMS maitiro, kwete nemhando yekubatanidza.
Q: Mangani mabhatiri eLiFePO4 aunogona kubatanidza munhevedzano?
A: Sirin'i inotarwa nechero paki yeBMS voltage rating uye FET yekuputsa muganho, kwete iyo voltage math. Mazhinji 12V mayuniti akayerwa 4S yakakura (yakatenderedza 51.2V nominal). Dhizaina kune BMS dhatabheti.
Mubvunzo: Sei vagadziri vachivhara mabhangi pa4S4P?
A: Chikamu chekuenzanisa kuomerwa sezviverengero zvakafanana zvichikwira, pamwe mutoro; vagadziri vanokodzera envelopu yavanokwanisa kumira kumashure, uye mabhanga makuru anosimudza{0}masiteki mapfupi-azvino.
Mubvunzo: Kusanganisa mabhatiri ekugona kwakasiyana kwakafanana idambudziko here?
A: Hongu. Pakiti isina kusimba kana yekare inomanikidza mutsva kuita rakawanda rebasa; kana uchifanira kusanganisa, paki yega yega inoda BMS yayo uye hombe inofanira kugamuchira yakazara chaji ikozvino.
Mubvunzo: Unoda yakawedzera fusing pane parallel bhatiri bhangi?
A: Hongu. Kana imwe BMS ikatadza seyakafa ipfupi, tambo yayo imwechete inogona kutakura iyo yakasanganiswa ikozvino yeimwe paki yega yega; pa-tambo kusanganisa kunoita kuti conductor asatsva.
