LiFePO4 Voltage Chart ɲuman: Batiri ɲɛnabɔli gafe dafalen

Industrie motive power reference - 24V ka se 80V cogoyaw ma.

San wɔɔrɔ speccing ani commissioning industrial LFP systems across distribution and cold-chain operations, o bɛna i kalan fɛn kelen na voltage charts kan, datasheet si ma min fɔ: jate min bɛ BMS jiralan kan shift active waati la, o bɛ ka gɛrɛntɛ ka lamini ni variable naani ye a dɔgɔyalenba la waati kelen na, wa chart bɛ jate kɛ u zeru tigitigi ye. N y’a kɔlɔsi ko sanniko latigɛw bɛ kɛ spec-sɛbɛn nimɔrɔ saniyalenw kan minnu bɛ sɔrɔ ka bin sira kan kalo 8 kɔnɔ. O de ye nin gafe in bɛ kuma min kan tiɲɛ na - tabali min bɛ duguma o ye daminɛ ye, jaabi tɛ.

Voltage Reference: Industriw ka labɛnw

LFP jatebɔsɛbɛn jɔnjɔnw ɛntɛrinɛti kan, olu jɔra tile baarakɛlaw ye sigiyɔrɔw la 4S walima 8S cogoyaw kan. Tiɲɛ don o mɔgɔw fɛ, fili don depo minɛnw na. Jateden minnu bɛ duguma, olu bɛ izini dusudon fanga cogoya lakikaw jira.

Seli kelen: 3,20V tɔgɔla / 3,65V charge plafond / 2.50V absolute duguma.

48V jaan dɔ bɛ yen min ka kan ka dɔn sani sannifeere ka dabila. Legacy lead-asidi chargeur dɔw ni mobili controleurs dɔw bɛ izini-kalibre 15S pakew kama, minnu bɛ charge fo 54.75V dafalen sanni ka 16S plafond standard min ye 58.4V ye. 16S pake dɔ sigi o sitɛmu kɔnɔ ani a tɛ se abada charge dafalen lakika la. A taamasiɲɛ bɛ i n’a fɔ seko dɛsɛ. An y’a ye ko yɔrɔw bɛ dɔgɔkun caman kɛ ka selilɛri gɛlɛya dɔ nɔfɛ min tun ye tiɲɛ na kalibreli bɛnbaliya ye. Polinovel ka komisiyɔn sɛgɛsɛgɛli sɛbɛn bɛ controleur-chargeur-pack voltage compatibility verification kɛ installation bɛɛ kan o kun tigitigi - o ye fɛn sugu ye min bɛ bɔ PO kɔfɛ, a tɛ kɛ ka kɔn o ɲɛ.

Mun na Voltage kalanni Live Shift waati la, o ye nsiirin ye kosɛbɛ

LFP ka bɔli kuru bɛ ​​surunya fla la 20% ni 80% SOC cɛ. 48V sitɛmu kan, fɛn min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ. Volt fila bɛ tɛmɛ 60% kan seko sɔrɔlen na. Voltage-based SOC algorithm min bɛ baara kɛ o band kɔnɔ, o tɛ foyi suman; a bɛ interpolate kɛ mankan fɛ, wa chimie tɛ foyi di a ma ka ankɔri kɛ min na. (diysolarforum.com) Bamako, Mali.

Ka lafiɲɛbɔ saniyalen sɔrɔ min bɛ kariti kɛ ka ɲɛ ka taa SOC la, o bɛ a ɲini pake ka sigi baara la miniti 30 fo sanga 4 kɔnɔ ni doni tɛ a la ani ni charge current tɛ. Dual-shift baarakɛcogo la nisababuw saralijɔlen bɛ lafiɲɛbɔ waatibolodalenw kɔnɔ, o finɛtiri tɛ yen. BMS bɛ ka doni ko laban min tora kɔfɛ, o ye voltage sag fɛn o fɛn ye, surface charge tolen ka bɔ sanfɛ-san fɛ kɔsa in na, ani kɔnɔna resistance effects minnu bɛ wuli ka taa sanfɛ ni seliw kɔrɔbayara, olu faralen ɲɔgɔn kan. Olu dalajɛ ɲɔgɔn fɛ ani SOC jiralan bɛ ±15–20% fili sigilen ta ni tension bɛ jatebɔ kɛ. An y’a ye ko jiralanw ye 45% kalan pakew kan minnu sigilen tun bɛ 28% la. A ye 60% ye sanni low-voltage cutoff ka daminɛ.

Polinovel ka izini BMS bɛ baara kɛ ni shunt precision-based yekulomb jatebɔi n’a fɔ SOC fɛɛrɛ fɔlɔ. Shunt bɛ ampere-second throughput yɛrɛ suman ani algorithm bɛ boli fanga balansi mara min latilen don funteni ni kɔrɔya kama. Foro tiɲɛni bɛ jigin tuma bɛɛ ±3–5% la, o bɛ bɛn an ka komisiyɔn kunnafoniw bɛ min jira sistɛmuw kɔnɔ minnu bilala sen kan. Voltage bɛ sɛbɛn hali bi - a bɛ kɛ ka seli-nivo filiw dɔnni ni balanbaliya dɔn. A ma da a la dɔrɔn jamana jateminɛ kama, bawo LFP chimie ka fizik t’a dɛmɛ baara kɛtuma na.

80V case bɛ jatebɔ kɛ stark ye. Seli mugan-duuru bɛ ​​tugu ɲɔgɔn na. 0,1V kɔrɔlen dɔ -selili sumanikɛcogo dankarili bɛ dalajɛ ka se 2,5V ma pake hakɛ la. O bɛ se ka SOC jira cogo jugu la ni kɛmɛsarada la 15–20 ye ka kɛɲɛ ni kurukuru jɔyɔrɔ ye. Baara siratigɛ la : kamiyɔn min bɛ 40% jira jiralan kan min bɛ da mid-lift la bawo charge yɛrɛ bɛ 22% la.

 

Nɛnɛmafɛnw marali: Gɛlɛya fila, ani feerekɛlaw bɛ kelen dɔrɔn de fɔ i ye

Feereli baro fanba bɛ kɛ kannɛnɛ-cakɛda LFPsɔn gɛlɛya yelen ma : degere 0 duguma , selil kɔnɔna rezisti bɛ wuli fo ka se ka wuli ka jigin wuli girinw ko kɛlenw kɔrɔ, o bɛ tension dɔgɔya-volta lakanani daminɛ k’a sɔrɔ charge kɔrɔ bɛ to pake kɔnɔ.

Baarakɛlaw hakili la batiri tiɲɛna. O ye funteni nɔ ye, a bɛ juguya feburuyekalo la, wa a bɛ mɔgɔ dimi. Fana, a bɛ se ka ɲɛnabɔ, wa a sɛbɛnnen bɛ feerekɛlaw ka minɛn fanba la ni aw ye ɲininkali kɛ.

 

Gɛlɛya filanan ye min tɛ sɔrɔ ŋaniyajira la, wa a ka jugu ka tɛmɛ o kan.

 

Aw bɛ LFP selilɛri dɔ charge congelation jukɔrɔ ani litiyamu ion minnu ka kan ka don grafite anode kɔnɔ o nɔ na ka plati kɛ a sanfɛ i n’a fɔ litiyamu nɛgɛma. O litiyamu platilen tɛ segin ka don a la ni a bɔra. A bɛ dalajɛ, cycle kɔfɛ cycle, ka seko baarakɛta dɔgɔya kudayi. Yɔrɔ min b’a kɛ baga ye jago siratigɛ la: capacity fade curve kan, a tɛ se ka faranfasi ja la ni kalandriya kɔrɔya nɔgɔman ye. A ye cycle 1800 gosi ni 70% seko ye pake dɔ kan min garanti bɛ 80% marali la cycle 3500 kɔnɔ, wa kunnafoni si tɛ mɔgɔ si fɛ min bɛ "charged at -5℃forty times last January" ni "normal degradation" faranfasi ka jɛya. O garanti barow tɛ ɲɛnabɔ saniya la, wa baarakɛla bɛ baarakɛcogo nɔ minɛ ka sɔrɔ sɔsɔli bɛ sen na.

 

Polinovel ka nɛnɛ-cakɛda BMS bɛ charge daminɛ bali hardware circuitry kɔnɔ fo seliw ka jɛya 5℃. Firimiw labɛncogo jugu walima a kurayali tɛ se k’a dabila - lockout bɛ balo porogaramuw layɛrɛ jukɔrɔ. So funteni sɛrɛkili bɛ bɔ chargeur donna fanga la, baarakɛla sen tɛ a la. Ni yɔrɔ minnu bɛ boli -10℃ambient duguma, an bɛ funteni ɲɛnabɔli bonya fo ka se nɛnɛba ma boon kɔnɔ. Ni an y’a jira ka se depo funteni hakɛ danmadɔ ma, o bɛ kɛ sababu ye ka sigida dɔ lase min bɛ baara kɛ sankanso belebeleba la, ka tiɲɛ konfirɛzi kɔnɔ, o ye fɛn ɲɛfɔcogo fili ye min bɛ jira i n’a fɔ fɛn dilannenw ka ɲininkali kalo 14 a daminɛ kɔfɛ.

 

Ni i ka sisan batiri ɲɛfɔli sɛbɛnna k’a sɔrɔ baro ma kɛ min bɛ funteni dɔgɔya i ka yɔrɔ yɔrɔ yɛrɛ la, i ka o gɛlɛya sani fɛn o fɛn ka bolonɔ bila.

Charge Ceiling: Setting min mɔgɔ si tɛ a lajɛ a sigili kɔfɛ

Ɲininkali teliyalen mɔgɔ o mɔgɔ bɛ litiyamu kurunba ciyɛntalen boli: i ka BMS labɛnna ka kɛ tension plafond jumɛn ye?

Mɔgɔ fanba tɛ se k’o jaabi. Komisɛri injiniyɛri y’a sigi sen kan, a taara ɲɛ, wa o default tun ye fɛn o fɛn ye, o sitɛmu bɛ baara kɛ. A nafa ka bon bawo charge ceiling de b’a jira ni pake dɔ bɛ boli cycle 3500 walima ka surunya 7500 la baarakɛcogo kelen na - wa a musaka tɛ foyi la ka Changé ni i y’a dɔn a ka kan ka kɛ min ye.

LFP elekitorode tiɲɛni bɛ caman kɛ charge curve sanfɛ. Sikili kelen-kelen bɛɛ ka se 3,65V/cell plafond dafalen ma, o bɛ boli lithiation stress maksimali la anode fɛ. Aw bɛ o plafond sama ka se 3.45V/cell ma ani o degunba bɛ tunun ka bɔ cycle kelen-kelen bɛɛ la pake ka ɲɛnamaya bɛɛ kɔnɔ. Jagokɛyɔrɔ in bɛ bɛn 15% ma ni seko hakɛ jateminɛlen ye charge event kelen-kelen bɛɛ la - nka baarakɛlaw fɛ minnu bɛ sababu chargement boli lafiɲɛbɔ waatiw kɔnɔ, o 15% bɛ minɛ a fanba la charge frequency caman fɛ. Bololabaarakɛlaw t’a kɔlɔsi. Kalandriya bɛ o kɛ.

Single-shift baarakɛcogo minnu bɛ charge su kelen kɔnɔ, olu ka kan ka boli ka se 3.65V ma. Segin waati bɛ yen, cycle frequency ka dɔgɔn, wa tiɲɛni danfara tɛ datugu minɛnw cili waatibolodacogo nɔgɔman kɔnɔ. Dual-shift baarakɛcogo minnu bɛ kɛ ni 1,5 cycles ye tile kɔnɔ, olu bɛ latigɛ dancɛ la: 3.50V bɛ kalandriya ɲɛnamaya janya 40–60% ka tɛmɛn full-charge cycling kan, ani fleets bilalen kɔnɔ an ye nin cogo in labɛn, per-cycle seko dɔgɔyali ma baarakɛlaw ka ɲininkaliw lase. Nɛnɛ-cakɛda ni 24/7 baarakɛcogo kɔrɔlenw bɛ sɔrɔ ka ɲɛfɔ ka se 3.45V ma kabini a daminɛ na, ni 15% dɔgɔyali ye min jɔlen don pake hakɛ la sanni ka sɔrɔ baarakɛcogo la kalo wɔɔrɔ kɔnɔ.

Polinovel sigicogo bɛɛ bɛ ci ni BMS labɛncogo sɛbɛn sɛbɛnnen ye min sirilen bɛ nafolo seriyali nimɔrɔ - sarali plafond la, balansi daminɛlan, low-voltaji tigɛcogo, funteni datugucogo, CAN sigicogo. Ni kurunba ɲɛmɔgɔ dɔ ye o sistɛmu ciyɛn ta san fila o kɔfɛ, a labɛncogo bɛ sɛbɛn, wa a bɛ se ka jateminɛ. O ye kunnafoni fitinin ye min nafa ka bon ka tɛmɛ a mankan kan ni shift kɛcogo caman Changé ani mɔgɔ dɔ ka kan k’a dɔn ni settings fɔlɔw bɛ bɛn baarakɛcogo ma hali bi.

Seko ni dɔnko ɲɛfɔli: Danfara min bɛ Datasheet ni Delivered cɛ

Se hakɛ min bɛ LFP kunnafonidilan kan, o bɛ suman ni degere 25 ye, 0,5C bɔli, ka se 2,5V ma selilu kelen-kelen bɛɛ tigɛcogo la. Aw ka yɔrɔ bɛ boli funteni wɛrɛ la, aw ka kamiyɔnw bɛ sama ka tɛmɛ 0,5C kan ni wuli doni dafalen ye, ani aw ka BMS bɛ tigɛ ka tɛmɛ 2,5V kan walasa ka seliw lakana. O cogoyaw si tɛ bɛn ni jatebɔ ye.

Funteni dɔgɔyali ye yɔrɔ ye yɔrɔ min na danfarabaw bɛ bɔ nɛnɛ-cakɛda sanni na. Jateden gɛlɛnw ka bɔ batiri dilanni na baarakɛcogo bɛɛ la : 1–2% seko bɔnɛ degɛrɛ kelen na degere 25 sanfɛ , 2–4% degere kelen na degere 25 duguma , ni o yɔrɔ duguma dakun bɛ teliya kosɛbɛ degere -10 duguma 600Ah tɔgɔla pake min bɛ lase -15℃freezer sira la ni a bɛ wuli ka taa a fɛ, o bɛ ka di ka surunya 420–460Ah la. K’a jira ka tɔgɔla seko ni dɔnko kɛ k’a sɔrɔ i ma o jatebɔ kɛ, o ye san fɔlɔ baarakɛcogo ɲininkaliw sɔrɔyɔrɔ ye min bɛ bɛn ɲɔgɔn ma kosɛbɛ, an bɛ min ye nɛnɛ cakɛda kurunbokariw la.

Pack architecture - kan nin ye yɔrɔ ye yɔrɔ min na kelen-shift ni dual-shift ni saba-shift baarakɛcogo bɛ danfara kɔrɔ. Single-pack-per-kamiyɔn bɛ baara kɛ ka ɲɛ kelen ni standard dual-shift baarakɛcogo la. Batiri so bɛ tunun, sababu chargement bɛ pake to ka fa lafiɲɛbɔ waatiw bɛɛ la, ladonni wajibiyalenw bɛ dɔgɔya kosɛbɛ. Ni -shift baara saba ni break windows bɛ miniti 45 jukɔrɔ, kelen-pack configurations bɛ teli ka throughput constraints gosi kalo 18nan lamini na. Paki tɛ se ka seko bɛrɛ sɔrɔ dɔrɔn lafiɲɛbɔ surunw kɔnɔ walasa ka sabanan-shift baarakɛcogo sabati spec la, wa throughput bɛ daminɛ ka sɛgɛn sanni mɔgɔ si ka sababu bɔ ɲɔgɔn na. O ko in bɛ wele bila cɛmancɛ-seko pake fila ma ni hot-swap infrastructures ye, wa TCO modɛli ka kan ka jatebɔ kɛ swap minɛnw ni senna-taama na ka kɛɲɛ ni pake kelen belebeleba wɛrɛ nɔ ye min ka sara ka jan.

Polinovel ka baarakɛminɛnw jɛkulu bɛ baara kɛ baarakɛwaati bolodacogo fɛ, lafiɲɛbɔ waati fɛ, charge window fɛ, ani yɔrɔ funteni hakɛ fɛ sanni u ka labɛncogo ladilikan o ladilikan laban. A bɛ se ka fɔ ko jaabi bɛ jɛya tuma bɛɛ ni o dontaw bɛ tabali kan. Mɔgɔ o mɔgɔ bɛ seko ni dɔnko jatew fɔ k’a sɔrɔ a ma baarakɛcogo misali ɲininka fɔlɔ, o tigi bɛ baara kɛ ka bɔ gɛlɛya ja dafalen na.

Tiɲɛni musaka bɛɛ lajɛlen: Jatew bolicogo

Ɲɛfɔli kɛcogo: 10-kamiyɔnbalansi (balance) min bɛ kɛflet, dual-shift baarakɛcogo, baarakɛdon 250 san kɔnɔ. Kuwati bɛ $0.12/kWh, ladonni baara bɛ $28/lɛrɛ, jɔli musaka bɛ $75/lɛrɛ kamiyɔn kelen na pick-ani-pack throughput impact kan. Ninnu ye hakilinaw ye minnu bɛ tali kɛ - siratigɛ dantigɛli bɛ Ameriki izini musaka jɔcogo fanba la, ni jateden dafalenw bɛ wuli ka da sigida fanga hakɛw ni baarakɛlaw musakaw kan.

Nafa sɔrɔli danfara : 87% round-taama ye LFP ye vs. 72% yeplɔmu-asidi min falen don ji la. LFP baarakɛbaliya musaka bɛ BMS filiw jira ani commissioning-labɛnw minnu bɛ tali kɛ o la san fɔlɔ kɔnɔ; lead-asidi jate bɛ fɛnw falenfalen waati bolodalen ni waati bolodabali ɲɛfɔ san duuru kɔnɔ.

Batiri so layini fɛn bɛ mɔgɔw kabakoya tuma bɛɛ minnu ma a modeli k’a jɛya. Kamiyɔn 10-asidi baara bɛ 400–600 siri fiɲɛbɔyɔrɔ la, asidi- bɛ min kɔnɔ, ladonni yɔrɔ - chargeurw, jibɔyɔrɔw, ɲɛda ko, fɛnw marayɔrɔw. Litiyamu opportunity charging bɛ chargeur compact dɔ bila sira kelen-kelen bɛɛ laban na walima kurun jɔyɔrɔ kelen-kelen bɛɛ laban na, ka o ja bɛɛ sɔrɔ. Ni dɔrɔmɛ 18–25 ye mɛtɛrɛ kɛrɛnkɛrɛnnen kelen na san kɔnɔ sigili musaka la cɛmancɛ-jatebɔyɔrɔ la, o ye dɔrɔmɛ 7200–15000 ye san kɔnɔ yɔrɔ la min bɛ segin baarakɛcogo nafama na. Togodaw dafali baarakɛtaw kama, yɔrɔ minnu na, kɛnɛba ye gɛlɛya gɛlɛn ye baarakɛcogo yiriwali la, o jatebɔ in bɛ taa teliya la tuma caman na ka tɛmɛ fanga sumalen kan.

Acquisition premium payback ka kɛɲɛ ni dual-shift assumptions ye: kalo 12 fo kalo 16. O waati kɔfɛ, baarakɛnafolo maralenw bɛ dalajɛ k’a sɔrɔ kapitali ko wɛrɛw ma kɛ fo ka se cycle ɲɛnamaya ma. Polinovel ka 3,50V sanfɛla labɛncogo la, fɛn fila-shift baarakɛcogo la, cycle ɲɛnamaya laɲini ye 5,500+ cycles ye 80% DoD - san 7 fo san 9 ɲɔgɔn na 1,5 cycles tile kɔnɔ.

An bɛ fɛn minnu bɔ, ani mun na a ni jago sariya tɛ kelen ye

Sikili ɲɛnamaya fɔlenw nin baara in na, a bɛ se ka fɔ ko u tɛ se ka sɛgɛsɛgɛ pewu i n’a fɔ a fɔra cogo min na bawo sɛgɛsɛgɛli cogoyaw bɛ bɔ yen. 0,2C bɔli sɛgɛsɛgɛli min bɛ kɛ degere 25 la, o bɛ jateden caman bɔ, wa a tɛ foyi jira balansi kamiyɔn bɛ baara kɛ cogo min na tɔni 3-tɔn kɔrɔtalen jukɔrɔ. Polinovel bɛ cycle ɲɛnamaya bɔ ni 80% DoD ye ni C-rate ranges ye minnu kalifara ka kɛɲɛ ni counterbalance lakika ye ani ka se kamiyɔn baara cogoyaw ma. Ni kiliyan dɔ y’a ɲini an fɛ an ka sɛgɛsɛgɛli cogoyaw fɔ an ka kunnafoni kunbaba jatebɔ kɔfɛ, an bɛ se k’o kɛ ni sɛbɛnw ye minnu bɛ an dɛmɛ. O de ye dantigɛli ye min nafa ka bon ka ɲɛsin feerekɛla ka lisi surun o surun ma.

Seko ni dɔnko marali Polinovel ka 48V izini seriyali kɔnɔ, o bɛ garanti layidu ta min ye 80% marali ye cycle ɲɛnamaya fɔlen laban na baarakɛcogo sɛbɛnnenw kɔnɔ. Nin baara in na, seko ni dɔnko marali jateden fanba ye baarakɛcogo jateminɛw ye, bɛnkansɛbɛn kɔkanna tɛ minnu na. Garanti sɛbɛn ye miniti 10 kalan ye min b’a fɔ i ye ko mɔgɔ jumɛn bɛ baarakɛcogo farati minɛ ni pake ye cycle 2000 gosi

CAN Bus ka kumaɲɔgɔnya ni Curtis, Zapi, ani Toyota SAS bolifɛnw ɲɛnabɔbagaw ye, o ye an ka BMS jɔcogo ye. SOC tigitigi kɛli baarakɛla ka konsolɛ la, filiw lakalicogo jɛlen, doni dantigɛli min bɛ se ka labɛn ni pake bɛ gɛrɛ a dɔgɔyali la. Protocole compatibilité min bɛ kamiyɔn jɔyɔrɔ kɛrɛnkɛrɛnnen dɔ la, o bɛ sɛgɛsɛgɛ an ka application ekipu fɛ sani sanni komandi ka kɛ. Sɛbɛnw bɛ UL, CE, ani UN38.3 kan bolifɛnw tacogo la; sɛbɛnw foroko min labɛnna walasa ka asiransi ni yɔrɔw labatoli lajɛ, o ye sariya ye.

BMS ɲɛfɔli sɛbɛn dafalen bɛ baara kɛ ni paramɛtiri 17 ye. U naani tɛ sɔrɔ izini kunnafonidilanw kan minnu bɛ wele ko standard industry datasheets. O naani ye yɔrɔ ye minnu na sistɛmu bilalen baarakɛcogo bɛ danfara ka ɲɛ kosɛbɛ ka bɔ spec-sheet layidu talenw na kalo 18-kalo taamasiyɛn na. U bɛ sɔrɔ jateminɛ waati la - n’i bɛ sannifeere baara la, o de ye yɔrɔ ɲuman ye k’u ɲini.

Polinovel bɛ LiFePO4 izini batiri sitɛmuw dilan ka bɔ 24V la ka se 80V ma forokili, AGV, ani depo otomatiki plateformew kama. Aw ka shift structure, facility temperature range, ani truck platform ci an ma - an ka application team bɛ site-specific configuration recommendation ani TCO model segin baarakɛdon duuru kɔnɔ.