N-gun langai sha mahkawng da nna, n bung ai ladat lahkawng hku garan ai
12V 100Ah pack lahkawng hpe bung ai hku shingdaw dat yang, galoi mung 2,400 watt-hours n-gun maren sha lu la na re. Gara series hte parallel wiring ni hpe teng sha dawdan ai kun?gara hku raidai watt-hkying hkum ni hpe jaw ya ai, voltage grau law ai hku (sh) amp{1}}hkying hkum law ai hku nna.Pack lahkawng hpe series hku wire galaw nna 100Ah hta 24V lu la ai. Parallel hku wire galaw dat yang 200Ah kaw 12V lu na re. Energy total gaw galoi mung n shamu shamawt ai; voltage-hte-ya garan ai lam sha galaw ai.
Dai myit masa langai sha gaw, phone (sh) flashlight a matu, series hte parallel battery configurations lapran na shai hkat ai lam a grup yin hta, myit ru myit tsang lam law dik htum byin hpang wa nna, ngut mat ai shara rai nga ai. Masum ngu na pack, mali shi ngu na cycle hta byin ai lam, jahpawt langai mi hta cell langai mi n bung ai hku hkrat sum mat ai lam ni rai nga ai. Dai hpe ndai guide hpe grup yin gawgap da ai daw re. Raw energy math hpe shawng ra ai rai yang, anhte a .mAh-to-Wh de galai shai ai lam hpe myit jasat-n-gun shadawn shadang a matu garan ginhka ai lamsan seng hkra ka-up da ai.
Series shinggyin tawn da ai: wan n-gun rawt wa ai, ya aten naw nga nga ai
Series string ngu ai gaw, jahtum- kaw nna-hpang jahtum matut mahkai ai lam, pack langai a positive terminal kaw nna, hpang na pack a negative de, na a jak a controller myit mada da ai voltage de du hkra, voltages ni hpe jat bang ai; amp-hkying hkum masat ai lam n nga ai. 12V unit mali hpe series hku nna 48V bank langai mi hta hpa mi htaw ai raitim, naw rated galaw da ai hpe jaw ya ai.
Series ngu ai gaw platform langai a n-gun hpe gara hku du hkra galaw ai re. 48V golf-mawdaw n-gun, 36V trolling hkang ai jak, 24V inverter, ndai ni hta na langai mi mung n-gun atsam hte n hkawm ai; shanhte gaw voltage hte sha hkawm ai, series battery matut mahkai ai lam gaw dai voltage hpe npu na-voltage block ni kaw na gawgap lu na lam langai sha rai nga ai.Target hpe hkra ai hta lai nna, grau tsaw ai voltage hta dai power langai sha gaw current hpe shingdaw nna n law ai hku hkap la ai majaw, cable sum ai lam ni yawm mat nna conductor ni gaw grau katsi ai hku hkawm sa ai. Series-configured battery bank gaw, n-gun kaba ai lit hpe shadut ai shaloi, parallel equivalent hta, voltage a mali hta na langai hta bungli langai sha galaw ai hta, lachyum rawng ai hku nna I2R n-gun yawm ai hpe mu lu na re.
Shawng nnan mying jaw na matu manu dan ai hard ceiling nga ai. 50V daram hpe lai nna, series string langai mi lung wa ai shaloi, arc hte shock risk a majaw, sadi maja ai lam hte insulated tooling galaw ra ai ginra de nang lai mat wa sai; 12V unit mali a lawu hta shimlam margin gaw law law nga ai; shi a ntsa e, 48V-plus system langai mi ging dan ai hkungga lara ai hte string hpe galaw u. Dai 50V line gaw nta tara n re. Dai gaw, DC bungli hpe galaw ra ai arung arai ni hte garan ginhka na matu lang ai threshold industrial low-voltage shimlam lailen rai nga ai.
Parallel shinggyin tawn da ai: atsam rawt jat wa ai, wan n-gun hpe hkam la ai
Parallel wiring gaw kaja ai lam yawng hpe matut mahkai nna, n kaja ai lam yawng hpe matut mahkai ya ai, law malawng gaw daisy chain hta grau nna, garan lang ai busbar ntsa kaw hkrat wa ai. Voltage gaw n galai shai ai sha nga ai; amp-hkying hkum hpe shinggrup da ai. 12V 100Ah pack masum hpe parallel hku nna 300Ah hta 12V jaw ya nna, dai voltage hta runtime hpe masum lang daram jat ya ai.
Matut nna shamu shamawt ra ai arung arai ni a matu, parallel battery matut mahkai ai lam hpe myit lawm hpa byin shangun ai lam lahkawng nga ai. Shawng nnan na gaw runtime re: nang gaw na a controller hpe tune galaw da ai voltage hpe n hkra ai sha stamina hpe jat ya nga ai. Lahkawng ngu na gaw redundancy re. Pack langai offline kaw hkrat mat yang, hkrung nga ai ni gaw circuit ting hpe hpaw na malai, load hpe matut nna jaw sha nga ai. Dai mara hpe hkam sharang lu ai atsam gaw, n hkyen lajang da ai hkring sa shara manu dan ai shara shagu hta parallel-configured battery bank ni dan dawng wa ai a katsi katsang re ai lam rai nga ai.
Dai stamina a manu gaw ya aten hta rai nga ai. Capacity hpe lahkawng lang jat nna, Bus ntsa na potential current hpe lahkawng lang jat dat u. Dai extra current, voltage n re ai sha, label ntsa na amp-hour nambat n re ai sha, parallel bank ni teng sha hkrit tsang hpa byin wa ai shara rai nga ai, dai gaw anhte daw lahkawng hpe npu de shinggrup la ai thread rai nga ai.
Side-by-side: n-gun, n-gun, galaw ai aten, hte teng sha hpa hkrat sum ai
Dai majaw, n-gun n rawng ai ga san ni gaw, n-gun n rawng ai mahtai hpe matut nna lu la nga ai. Ndai gaw, myit jasat-power pack langai mi gara hku galaw ai hpe map galaw ai version re:
| Shadawn shadang | Series hkrang shapraw ai lam | Parallel hkrang shapraw ai lam |
|---|---|---|
| Voltage | Jat bang ai (ga shadawn . 4× 12V → 48V) | Galoi mung nga nga ai |
| Atsam (Ah) | Galoi mung nga nga ai | Jat bang ai |
| Bus ntsa kaw ya aten | Jaw da ai atsam a matu shayawm kau | Jaw da ai atsam a matu grau tsaw ai |
| Cable shadawn ai | Grau n-gun ja ai conductor ni hpe hkap la mai ai | Grau li ai conductor ni ra ai |
| Dominant hkrat sum ai masa | Gawng kya dik ai cell gaw string hpe gang je kau ai | Pack lapran n bung ai ya aten garan gachyan ai lam |
| Mara nga ai akyang lailen | Gawng kya ai link langai gaw string ting hpe stress jaw ai | Hkrung nga ai pack ni gaw lit hpe matut nna jaw nga ai |
| Wiring sum ai npu hta n-gun ja ai | Shanem ai | Grau tsaw ai |
Kam hpa mai ai hku pru wa ai ga san gaw, battery ni gaw series (sh) parallel hta grau na galu ai kun ngu ai ga san gaw, internet tsun ai hta grau san seng ai mahtai nga ai. Raitim, tengman ai magam bungli prat hpe gaw, matut mahkai topology hta grau nna, cell balancing hte BMS a akyang lailen ni gaw dawdan ya ai. Wiring lata ai hku nna sha "grau galu ai" ngu ai hpe hkan shachyut ai gaw shut ai galai shai ai lam hpe grau kaja hkra galaw ai lam rai nga ai, dai majaw, volts-hte-amp-hours ga san n re ai sha, series vs parallel battery bank BMS ga san gaw, hpang na ahkyak ai lam rai nga ai.
Kade daram pack hpe matut mahkai lu na ngu ai tengman ai shadawn sharam gaw voltage math n re, BMS 2 re.
Ndai gaw, supplier law malawng a spec sheet ni hta na a man e n tawn da na galai shai ai lam rai nga ai: lithium pack langai a series hte parallel ceiling ni hpe shi a battery hparan ai ladat hku nna masat da ai, volt hte amp-hours ni hpe jat bang ai jahpan hku nna n re. Anhte aBMS gaw pack langai hpe gara hku teng sha uphkang ai lam hpe primerndai lam a hpang e nga ai makawp maga ai logic hku hkawm sa wa ai.
Dai ga gaw teng ai, theory hte deployment n bung ai shara mung rai nga ai. Series maga de, pack shagu a BMS hpe galai shai nna hkam sharang ra ai.Hkum tsup ai wan n-gunn kaja ai aten hta shi a kata na FET ni hpe lai di nna, FET a n-gun rating gaw, na a yaw shada ai bank n-gun n re ai sha, LiFePO4 battery kade hpe series hku matut mahkai mai ai ngu ai hpe teng sha shadawn sharam sha rai nga ai. 12V motive-power unit law law hpe 4S grau kaba ai hku masat da nna, 51.2V nominal bank grup yin de hkrat wa ai, dai gaw galai shai ai hardware a matu gingdan ai lam re majaw hkrak rai nga ai; manufacturer BMS hpawng de ai lam matsun ni gaw, dai FET rating hpe, nominal voltage n re ai sha, shinggrup da ai pat shingdang ai lam hku nna, hkan sa ai lam hta, n bung ai. Nsen hkrang shapraw ai lam gaw, parallel bank a hpawng de ai matut manoi nga ai n-gun hpe, BMS ratings ni hta na 90% daram de shayawm kau ya ai, hpa majaw nga yang, n-gun gaw, tengman ai kata na-hkap la ai lam garan pru ai tengman ai pack ni hta hkum tsup hkra galoi mung n garan gachyan ai majaw re. 80V/500Ah reach-truck build hta, dai 10% hpe anhte myit mada let shat sha ku ntsa kaw tawn da ai gaw, langai hte langai℃loi mi laman hkawm ai string yawng hte string langai mi gaw shi a garan ai hta grau nna atsin sha gun hpai ai lapran na shai hkat ai lam rai nga ai.
Kaga langai mi bai tsun dan ai gaw, kaja ai-hpan da ai pack hpe manu n hkrat ai pack hte garan ginhka ai: kaja ai LiFePO4 BMS gaw cell ni hpe aten dep balance galaw hpang ai, cell langai hta 3.35–3.40V grup yin, charge a ntsa kaw n re. Cell ni gaw shanhte a ceiling makau kaw rap ra hkra la nga ai design gaw, dai hpe galaw ai wa gaw chemistry hpe kade daram n chye na ai hpe tsun dan nga ai. Dai threshold gaw gara marketing spec sheet hta mung grau kaja ai mari ai lam tsun dan ai lam re. Raitim, threshold langai sha gaw, masum ngu na-party pack gaw 2019 hta balance hpe hkam la lu na kun ngu ai hpe n tsun dan lu na re.Nang nalit magam galaw ai lam; 2019 ning hta shang wa ai cell batch hpe qualify galaw ai shaloi anhte galaw ai checklist hkum hkra gaw anhte a teardown hta nga ai.Forklift lithium pack langai hpe kaga langai hte teng sha garan ginhka ai lam gaw hpa rai ta?.
Charging gaw kaga hku galaw ai, n-gun kya dik ai link hpe ari jaw ai
Series vs parallel battery charge galaw ai shai hkat ai lam gaw katsi katsang hkra machyi ai lam law law byin ai shara re. Series string langai hta, charger gaw stack ting a matu voltage langai hpe mu ai majaw, n-gun ja dik ai cell gaw full charge hpe shawng hkra nna, n-gun kya dik ai cell gaw naw hkan shachyut nga ai aten hta, string a balancing gaw shi hpe sai chyup kau ra ai; skip proper balancing galaw nna, nang gaw cycle shagu hta string a jahtum langai hpe hkrang shapraw ai hku nna grai galaw ai. Parallel bank hta risk gaw nhtang wa ai. Resting voltage n bung ai pack ni hpe matut nna, grau tsaw ai gaw, charger pyi n shang lawm shi yang, link hpe pat kau ai shaloi, lawu na de current hpe dump galaw ya ai. Langai maga de na gram lajang ai lam gaw n-gun n rawng ai: pack shagu hpe wire n bang shi yang, charge masa langai sha de woi sa nna, tengman ai system voltage hte bung ai charger hpe lang u. Anhte hpe shaga la ai field failures law malawng gaw skip galaw kau ai lahkam re.
Fleet scale hta hpa baw shut ai, hpa majaw cell n law ai
-pack langai sha madang hta ndai langai mi mung n sha ai. Dai zawn re ai hkrat sum ai lam ni gaw, sanghpaw li langai mi hta pack ni hpe law law lang jat ai shaloi dan dawng wa nna, dai ni gaw cell chemistry hkrat sum ai lam galoi mung n byin ai daram rai nga ai; shanhte gaw nang hpe hkan shachyut ai configuration dawdan lam ni rai nga ai.
Parallel Bus hpe jawn u. Headline risk gaw wire gaw normal load a matu grai n-gun n rawng ai n re, pack langai a BMS gaw dead short hku hkrat sum mat ai shaloi byin wa ai lam re. Dai aten hta, dai pack hpe jaw sha ai cable langai sha hpe gun hpai na matu tsun mai ai.hpawng de aiBus ntsa na kaga pack shagu a current. 100A langai hpra hpe 100A ngu masat da ai, langai gaw dead short, dai conductor langai gaw 500A du hkra mu lu ai, dai hpe galoi mung n sized galaw da ai. Grau sawng ai gaw, shi a ninghkap ai lam gaw, hkrung nga ai pack langai hpra a trip threshold npu kaw sha, current hpe hkam la da ai rai yang, kaga BMS unit ni kadai mung n shang lawm ai sha, wire gaw asan sha shadu mat ai.
Ndai gaw langai hkrai a -string fusing nga ai a lam yawng rai nga ai, dai gaw "grau li ai cable hpe sha galaw u" ngu ai lam shut mat ai lam rai nga ai. Anhte parallel bank hpe commission galaw ai shaloi, strings ni hta ya na garan gachyan ai lam gaw, shawng nnan na shani hta pyi, si mat sai- ngu ai hpe galoi mung n hti ai; strings lapran na spread a tsa lam shadang loi mi gaw normal rai nga ai, dai spread nan BMS langai hpe dat kau yang gara conductor hpe grau nna hpaw shadan dan na hpe dawdan ya ai. Per-string makawp maga ai lam gaw teng sha gara size ra ai ngu ai gaw na a pack jahpan, BMS hkrun lam a arawn alai, bus layout ni hta madung nga ai, dai gaw article langai mi hta sawn la ai hta na na a tengman ai single-line diagram hpe shingdaw nna size galaw na hpe anhte grau ra sharawng ai nambat langai mi rai nga ai.
Series maga de gaw shi a hkalem hkalau ai lam nga ai: n-gun kya dik ai-cell manghkang. Series string gaw chain zawn galaw nna, under-galaw ai cell langai hpe shi a shadawn sharam de shawng shadut kau ai. 2.8V daram npu na cell langai hpe kalang mi pyi gang dat yang, nang gaw prat tup hkra machyi kau sai; Ndai gaw anhte a engineer ni pack madang hta grup yin hta galaw da ai ladat hte maren sha rai nga ai, dai shara htacell balancing gaw 80V string ting a matu n-gun kya dik ai n-gang hpe ceiling hpe n-gun n-jaw hkra makawp maga ya ai. Dai hte seng nna, dai hte maren manu dan ai: pack nnan hpe asak kaba sai parallel bank langai mi de kayau bang ai. Moi na, grau tsaw ai-resistance pack gaw, nnan ai wa hpe bungli law malawng hpe gun hpai shangun nna, matut manoi myit ru myit tsang shangun ai; nang gaw dai lahkawng a average hpe n lu ai, nang gaw pack nnan hpe grau kaba ai de degrading galaw ai hpe lu ai.
Series-parallel: 48V hte 80V platform ni hpe gara hku teng sha galaw ai
48V (sh) 80V jak ni a matu series-parallel battery gram lajang ai lam gaw topology langai hpe n law htum lata la ai; shi gaw shanhte hpe kahkyin gumdin ya ai, rai nna, rai sai, nang gaw design galaw da ai hte maren galaw ai shaloi, battery ni hpe series hte parallel hku nna aten langai hta sha matut mai ai.Series string ni hpe platform voltage hpe hkra na matu wire galaw nna, dai string ni hpe parallel galaw nna capacity de du hkra galaw ai. 12V unit 16 gaw 48V series string mali byin wa nna, dai ni gaw inverter (sh) drivetrain kaba hpe lusha jaw ai 48V bank langai mi de parallel byin wa ai. Ndai shara kaw, datasheet langai hta "4S4P maximum" ngu ai masat masa gaw shi a keep hpe lu la ai: dai gaw nang hpe tsun dan ai gaw, dai n-gang ni hta na mali gaw, n-gun n-gun n-gun n-gun hte n-gun n-gun n-gun n-gun (capacity ceiling) hpe nambat langai hta sha tawn da ai. 12V 200Ah block ni kaw na galaw da ai 4S4P envelope gaw, ga shadawn, 48V platform hpe 800Ah grup yin du hkra la nna, galaw shapraw ai wa-htuk manu ai shara kaw nna n pru ai sha, tengman ai jat wa ai lam hpe sanghpaw li galaw ai ni gaw, shift lahkawng lang hkawm ai aten hpe jat ya na matu lang ai.
Dai 4S4P cap gaw tara rap ra ai ga san langai hpe shabyin ya ai: physics gaw grau nna ahkang jaw ai shaloi hpa majaw dai kaw jahkring kau na kun? Mahtai daw mi gaw hpaji masa hte seng ai. Dai gaw, count rawt jat wa ai hte maren, parallel strings law law hpe current hpe maren mara garan gachyan na matu teng sha yak wa nna, bank kaba ni gaw, lahta na si mat ai-kadun ai mabyin masa hta, stakes ni hpe sharawt ya ai. Ngam ai gaw lit la ra ai; galaw ai wa gaw shanhte a hpang e tsap lu ai envelope hpe qualify galaw ya ai. Bai nna, dai envelope hpe lai nna, tengman ai hpaji jaw ga gaw, n-gun n rawng ai: hkum field-gap u. 4S4P hta lai nna, nang gaw parallel current garan ginhka ai lam hte mara galaw ai lam ni hpe jep joi ai lam hta lawm nga ai, dai hpe general maintenance team langai mi gaw jep joi na matu n-gun n rawng ai, dai hpe shara kaw n galaw ai sha, laksan custom configuration hku galaw ra ai. Dai envelope hpe lai nna, sanghpaw li langai hpe anhte la ai shaloi, dai ya na-garan gachyan ai lam hpe jep chyoi ai lam gaw, pack langai sha n htawt shi yang, anhte bench ntsa kaw shawng nnan galaw ai lam rai nga ai. anhte a 48V platform mari ai lam matsun hta shanhte hpe tawn da ai.
Hpaga lam hta shadut ai atsam a matu hkrang shapraw ai lam hpe lata ai
Wiring diagram ni hpe yeng seng kau nna, dawdan ai lam gaw na a jak ni ra sharawng ai lam de du wa ai, ndai hku hkan nna:
- Voltage platform hpe shawng galaw ai.Controller wa gaw dai hpe dictate galaw ai. 48V mawdaw kaba langai mi hta 48V bank ra ai; nang gaw series string hte gawgap ai, n-gun n rawng ai.
- Dai hpang capacity, shift galu ai a matu.Voltage hpe n-gun jaw ngut ai hpang, parallel strings ni gaw shift hpring tup, shing nrai ahkaw ahkang charge galaw ai lahkawng hpe clear galaw na matu runtime hpe mari la ai.
- Dai hpang hkrat sum ai hpe hkam sharang ai.Hkring mat ai unit langai gaw line langai hpe jahkring kau ai rai yang, parallel hkrang masa a redundancy hpe myit mada let hkrang shapraw na matu manu dan ai.
- Dai hpang makawp maga masing.Ndai gaw tara langai mi de n shayawm ai langai mi re. Match pack hte aten dep rap ra ai lam ni gaw table stakes ni rai nga ai; 80V fleet bank hpe tengman ai hkra machyi ai masa hta hkrung nga shangun ai per-string fusing, current derating, hte BMS coordination ni gaw, laksan single{3}}line design hpe ninghkap nna sized lu la ai, dai gaw, packs ni mawdaw ntsa e n nga shi yang, tsun shaga ai lam rai nga ai.
Hpaga lam hte seng ai sanghpaw li langai a matu series hte parallel battery hkrang masa ni hpe shingdaw ai lam gaw, tengman ai bungli galaw ai aten hta, abstract byin mat ai hpe jahkring kau ai. Masum-shift reach-truck bungli galaw ai hte laban bat -lang ai GSE tug gaw physics langai kaw na mahtai n bung ai hpe lu la ai. Dai mapping hpe pack hte BMS madang hta hkrak hkra lu la ai gaw, jahpawt hkying 2 hta phone shaga ai hte katsi katsang bungli galaw ai sanghpaw li galai shai ai lam hpe garan ginhka ai lam law malawng rai nga ai. Dai gaw anhte galaw ai daw gaw, sawn la ai lam n re: Polinovel gaw, mungdan shagu na OEM ni a matu, motive{9}}power packs ni hpe CE, IEC, UL, UN38.3 hte MSDS madang ni hku nna gram lajang da sai, cell{13}} hpe {{14}pa hpe hkang lu na matu. Nang gaw laksan wan n-gun platform hte bungli galaw ai aten ladaw a matu hkan nang hkan sa ai battery bank hpe masat da ai rai yang,Anhte a engineering hpung hte rau na a jak rung a tengman ai-mungkan ra kadawn ai lam ni kaw nna hpang un-gun jaw ai datasheet kaw na n re ai sha.
FAQ
San: Battery ni gaw series (sh) parallel hta grau na galu ai kun?
A: Battery langai sha a matu, shinggyin tawn da ai n-gun gaw maren sha re; series gaw n-gun yawm ai hte wiring sum ai lam loi mi yawm ai aten hta hkawm ai, raitim, tengman ai service prat hpe gaw cell balancing hte BMS a akyang lailen hku nna dawdan ai, connection amyu hku nna n re.
San: LiFePO4 battery kade hpe series hku matut mai ai kun?
A: Ceiling hpe pack langai hte langai a BMS voltage rating hte FET hkrat sum ai shadawn shadang hku nna masat da ai, voltage math hku nna n re. 12V unit law law hpe 4S grau kaba ai (51.2V nominal grup yin) ngu masat da ai. BMS jahpan hpe hkrang shapraw na.
San: Hpa majaw galaw shapraw ai ni gaw 4S4P kaw bank ni hpe pat da ai kun?
A: Parallel counts rawt jat wa ai hte maren, daw mi hpe rap ra hkra yak hkak ai lam, daw mi hpe lit la ai lam; galaw ai ni gaw shanhte a hpang e tsap lu ai envelope langai hpe qualify galaw ya nna, kaba ai bank ni gaw kadun ai-circuit-ya aten na stake ni hpe jat ya ai.
San: Capacity n bung ai battery ni hpe parallel hku kayau kaya galaw ai gaw manghkang nga ai kun?
A: Rai sai. Gawng kya ai (sh) dingsa ai pack gaw, nnan ai hpe bungli law malawng galaw shangun ai; mix galaw ra ai rai yang, pack shagu gaw tinang a BMS ra nna kaba dik ai gaw full charge current hpe hkap la ra ai.
San: Parallel battery bank kaw fusing grau ra ai kun?
A: Rai sai. BMS langai mi gaw dead short hku nna hkrat sum mat yang, shi a cable langai sha gaw kaga pack shagu a hpawng de ai current hpe gun hpai ra na re; per-string hpe hpaw ai gaw dai conductor hpe wan n hkru hkra galaw ya ai.
