{"id":75308,"date":"2020-03-25T07:42:27","date_gmt":"2020-03-25T05:42:27","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/vremya-litij-ionnyh-ibp-pozharoopasnost-ili-bezopasnyj-shag-v-budushhee"},"modified":"2020-03-25T07:42:27","modified_gmt":"2020-03-25T05:42:27","slug":"vremya-litij-ionnyh-ibp-pozharoopasnost-ili-bezopasnyj-shag-v-budushhee","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/vremya-litij-ionnyh-ibp-pozharoopasnost-ili-bezopasnyj-shag-v-budushhee","title":{"rendered":"Koha p\u00ebr baterit\u00eb litium-jon: rreziku i zjarrit apo nj\u00eb hap i sigurt drejt s\u00eb ardhmes?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Koha
\n<\/p>\n

P\u00ebrsh\u00ebndetje, miq!<\/p>\n

Pas publikimit t\u00eb artikullit \u00abUPS dhe grumbulli i baterive: ku t\u00eb vendosim? Po prisni nj\u00eb moment\u00bb <\/a><\/noindex>kishim shum\u00eb komente n\u00eb lidhje me rrezikshm\u00ebrin\u00eb e zgjidhjeve Li-Ion p\u00ebr server\u00ebt dhe Qendr\u00ebn e t\u00eb Dh\u00ebnave. Prandaj sot do t\u00eb p\u00ebrpiqemi t\u00eb kuptojm\u00eb cilat jan\u00eb dallimet midis zgjidhjeve industriale me litium p\u00ebr UPS dhe baterit\u00eb n\u00eb pajisjen tuaj, si ndryshojn\u00eb kushtet e p\u00ebrdorimit t\u00eb baterive n\u00eb server, pse n\u00eb telefon bateria Li-Ion zgjat jo m\u00eb shum\u00eb se 2-3 vjet, nd\u00ebrsa n\u00eb Qendr\u00ebn e t\u00eb Dh\u00ebnave kjo shif\u00ebr do t\u00eb rritet deri n\u00eb 10 vjet e m\u00eb shum\u00eb. Pse rreziqet e shp\u00ebrthimit t\u00eb litiumit n\u00eb Qendr\u00ebn e t\u00eb Dh\u00ebnave\/server jan\u00eb minimale. <\/p>\n

Po, aksidentet me baterit\u00eb UPS jan\u00eb t\u00eb mundshme, pavar\u00ebsisht nga lloji i akumulator\u00ebve t\u00eb energjis\u00eb, por miti i \u00abrrezikshm\u00ebris\u00eb nga zjarri\u00bb i zgjidhjeve industriale me litium nuk p\u00ebrputhet me realitetin. <\/p>\n

Sepse shum\u00eb njer\u00ebz e kan\u00eb par\u00eb at\u00eb video me shp\u00ebrthimin e telefonit<\/a><\/noindex> me nj\u00eb bateri litium n\u00eb nj\u00eb makin\u00eb q\u00eb l\u00ebvizin n\u00eb autostrad\u00eb? Pra, le t\u00eb shikojm\u00eb, ta shqyrtojm\u00eb, ta krahasojm\u00eb\u2026 <\/a><\/noindex><\/p>\n

K\u00ebtu shohim nj\u00eb rast tipik t\u00eb ngrohjes s\u00eb pakontrolluar, nxeht\u00ebsis\u00eb q\u00eb rrit baterin\u00eb e telefonit, duke \u00e7uar n\u00eb nj\u00eb incident t\u00eb till\u00eb. Ju do t\u00eb thoni: KJO! Kjo \u00ebsht\u00eb thjesht nj\u00eb telefon, n\u00eb server do t'i vendos\u00eb nj\u00eb i \u00e7mendur!<\/p>\n

Jam i sigurt se, duke studiuar k\u00ebt\u00eb material, lexuesi do t\u00eb ndryshoj\u00eb pik\u00ebpamjen e tij mbi k\u00ebt\u00eb \u00e7\u00ebshtje.<\/p>\n

<\/p>\n

Situata aktuale n\u00eb tregun e Qendr\u00ebs s\u00eb t\u00eb Dh\u00ebnave<\/h3>\n

<\/b>
\nNuk \u00ebsht\u00eb sekret p\u00ebr ask\u00ebnd se nd\u00ebrtimi i Qendrave t\u00eb t\u00eb Dh\u00ebnave \u00ebsht\u00eb nj\u00eb investim afatgjat\u00eb. \u00c7mimi i vet\u00ebm t\u00eb pajisjeve inxhinierike mund t\u00eb p\u00ebrb\u00ebj\u00eb 50% t\u00eb kostos totale t\u00eb shpenzimeve kapitale. Horizonti i shlyerjes \u00ebsht\u00eb rreth 10-15 vjet. \u00cbsht\u00eb natyrore t\u00eb lind\u00eb d\u00ebshira p\u00ebr t\u00eb ulur koston totale t\u00eb pron\u00ebs n\u00eb t\u00eb gjith\u00eb ciklin jet\u00ebsor t\u00eb Qendr\u00ebs s\u00eb t\u00eb Dh\u00ebnave, nd\u00ebrsa gjithashtu t\u00eb kompakt\u00ebsojn\u00eb pajisjet inxhinierike, maksimalisht duke \u00e7liruar hap\u00ebsirat p\u00ebr ngarkes\u00ebn e dobishme.<\/p>\n

Zgjidhja optimale jan\u00eb UPS-t\u00eb industriale t\u00eb iteracionit t\u00eb ri mbi baz\u00ebn e baterive Li-Ion, t\u00eb cilat kan\u00eb hequr dor\u00eb nga \u00abs\u00ebmundjet e f\u00ebmij\u00ebris\u00eb\u00bb si\u00e7 jan\u00eb rrezikshm\u00ebria nga zjarri, algoritmet e gabuara t\u00eb karikimit-shkarkimit dhe jan\u00eb p\u00ebrmir\u00ebsuar me nj\u00eb s\u00ebr\u00eb mekanizmash mbrojt\u00ebs.<\/p>\n

Me rritjen e fuqive t\u00eb pajisjeve t\u00eb kompjuter\u00ebve dhe rrjeteve, rritet edhe k\u00ebrkesa p\u00ebr UPS. N\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb, rriten k\u00ebrkesat p\u00ebr koh\u00ebn e autonomis\u00eb nga baterit\u00eb akumulatorike n\u00eb rast t\u00eb problemeve me furnizimin qendror me energji elektrike dhe\/ose d\u00ebshtimet gjat\u00eb fillimit t\u00eb burimit rezerv\u00eb t\u00eb energjis\u00eb n\u00eb rastin e p\u00ebrdorimit\/t\u00eb pranis\u00eb s\u00eb DG. <\/p>\n

Mendimi yn\u00eb \u00ebsht\u00eb se ka dy arsye kryesore p\u00ebr k\u00ebt\u00eb:<\/p>\n

    \n
  1. Rritja e shpejt\u00eb e volumeve t\u00eb informacionit t\u00eb p\u00ebrpunuar dhe t\u00eb transmetuar
    \nP\u00ebr shembull,     avioni i ri pasagjer\u00ebsh Boeing
    \n787 Dreamliner gjeneron m\u00eb shum\u00eb se 500 gigabajt informacion n\u00eb nj\u00eb fluturim<\/a><\/noindex>, i cili
    \nduhet ruajtur dhe p\u00ebrpunuar.<\/li>\n
  2. Rritja e dinamik\u00ebs s\u00eb konsumit t\u00eb energjis\u00eb elektrike. Pavar\u00ebsisht nga tendencia e p\u00ebrgjithshme p\u00ebr uljen e konsumit t\u00eb energjis\u00eb nga pajisjet IT, ulja e konsumit specifik t\u00eb energjis\u00eb nga komponent\u00ebt elektronik\u00eb.<\/li>\n<\/ol>\n

    \nGrafiku i konsumit t\u00eb energjis\u00eb i nj\u00eb Qendra t\u00eb t\u00eb Dh\u00ebnave aktive<\/b>\"Koha
    \n Kjo tendenc\u00eb reflektohet edhe n\u00eb parashikimet e tregut t\u00eb Qendrave t\u00eb t\u00eb Dh\u00ebnave n\u00eb vendin ton\u00eb<\/b>Sipas t\u00eb dh\u00ebnave nga siti     expert.ru<\/a><\/noindex>, sasia totale e vendosjeve t\u00eb operuara tejkalon 20 mij\u00eb. \"Numri i vendosjeve t\u00eb operuara nga 20 ofruesit m\u00eb t\u00eb m\u00ebdhenj t\u00eb sh\u00ebrbimeve t\u00eb Qendrave t\u00eb t\u00eb Dh\u00ebnave u rrit me 3% dhe arriti n\u00eb 22.4 mij\u00eb (t\u00eb dh\u00ebnat deri m\u00eb 1 tetor 2017)\", citon raporti i CNews Analytics. Sipas vler\u00ebsimeve t\u00eb agjencive k\u00ebshilluese, deri n\u00eb vitin 2021 pritet nj\u00eb rritje e vendosjeve deri n\u00eb 49 mij\u00eb. Pra, brenda dy viteve, kapaciteti real i Qendrave t\u00eb t\u00eb Dh\u00ebnave mund t\u00eb dyfishohet. \u00c7far\u00eb e shkakton k\u00ebt\u00eb? S\u00eb pari, rritja e volumit t\u00eb informacionit: si t\u00eb ruajtur, ashtu dhe t\u00eb p\u00ebrpunuar.<\/p>\n

    P\u00ebrve\u00e7 cloud-eve, aktor\u00ebt i atribuojn\u00eb zhvillimin e kapaciteteve t\u00eb Qendrave t\u00eb t\u00eb Dh\u00ebnave n\u00eb rajone si pika rritjeje: ato jan\u00eb segmenti i vet\u00ebm ku mbetet hap\u00ebsir\u00eb p\u00ebr zhvillimin e biznesit. Sipas IKS-Consulting, n\u00eb vitin 2016, rajonet p\u00ebrb\u00ebnin vet\u00ebm 10% t\u00eb t\u00eb gjith\u00eb burimeve t\u00eb ofruara n\u00eb treg, nd\u00ebrsa kryeqyteti dhe zona e Mosk\u00ebs z\u00ebn\u00eb 73% t\u00eb tregut, dhe Sh\u00ebn Petersburg dhe zona e Leningradit z\u00ebn\u00eb 17%. N\u00eb rajone vazhdon t\u00eb ekzistoj\u00eb nj\u00eb munges\u00eb e burimeve t\u00eb qendrave t\u00eb t\u00eb dh\u00ebnave me nj\u00eb shkall\u00eb t\u00eb lart\u00eb q\u00ebndrueshm\u00ebrie.<\/p>\n

    Deri n\u00eb vitin 2025, sipas parashikimeve, sasia totale e t\u00eb dh\u00ebnave n\u00eb bot\u00eb do t\u00eb rritet 10 her\u00eb krahasuar me vitin 2016.<\/b><\/p>\n

    \"Koha
    \n
    \n<\/p>\n

    Megjithat\u00eb, sa e sigurt \u00ebsht\u00eb litiumi p\u00ebr UPS t\u00eb server\u00ebve ose Qendrave t\u00eb t\u00eb Dh\u00ebnave? <\/h3>\n

    <\/b> <\/p>\n

    Disavantazhi: kosto e lart\u00eb e zgjidhjeve Li-Ion.<\/b><\/p>\n

    \"Koha\u00c7mimi i baterive litium-jon vazhdon t\u00eb mbetet i lart\u00eb krahasuar me zgjidhjet standarde. Sipas vler\u00ebsimeve t\u00eb kompanis\u00eb SE, shpenzimet fillestare p\u00ebr UPS t\u00eb fuqish\u00ebm mbi 100 kVA p\u00ebr zgjidhjet Li-Ion do t\u00eb jen\u00eb 1.5 her\u00eb m\u00eb t\u00eb larta, por n\u00eb fund do t\u00eb kursehet 30-50% n\u00eb pron\u00ebsi. N\u00ebse b\u00ebjm\u00eb krahasime me kompleksin ushtarak-industrial t\u00eb vendeve t\u00eb tjera, ja nj\u00eb lajm p\u00ebr fillimin e shfryt\u00ebzimit t\u00eb n\u00ebndet\u00ebses japoneze<\/a><\/noindex> me bateri Li-Ion. Shpesh n\u00eb k\u00ebto zgjidhje p\u00ebrdoren baterit\u00eb litium-hekur-fosfat (n\u00eb foto- LFP) p\u00ebr shkak t\u00eb koston relativisht m\u00eb t\u00eb ul\u00ebt dhe siguris\u00eb m\u00eb t\u00eb madhe. <\/p>\n

    N\u00eb artikull p\u00ebrmendet se p\u00ebr baterit\u00eb e reja p\u00ebr n\u00ebndet\u00ebse \u00ebsht\u00eb shpenzuar 100 milion dollar\u00eb, le t\u00eb p\u00ebrpiqemi t\u00eb konvertojm\u00eb n\u00eb nj\u00ebsi t\u00eb tjera\u2026<\/b>4,200 ton-zhbllokimi n\u00ebnujore i n\u00ebndet\u00ebses japoneze. Zhbllokimi mbi uj\u00eb- 2,950 ton. Zakonisht 20-25% e mas\u00ebs s\u00eb anijes p\u00ebrb\u00ebhet nga akumulator\u00ebt. Nga k\u00ebtu marrim p\u00ebraf\u00ebrsisht 740 ton - akumulator\u00eb plumbi-oksid. M\u00eb pas: masa e litiumit p\u00ebrb\u00ebn p\u00ebraf\u00ebrsisht 1\/3 nga akumulator\u00ebt plumb-oksid -> 246 ton litium. Me 70kWh\/kg p\u00ebr Li-Ion marrim p\u00ebraf\u00ebrsisht rreth 17 MWh kapaciteti t\u00eb grumbullit t\u00eb baterive. Dhe diferenca n\u00eb mas\u00ebn e baterive - p\u00ebraf\u00ebrsisht 495 ton... K\u00ebtu nuk e marrim parasysh akumulator\u00ebt argjend-cink<\/a><\/noindex>, nga t\u00eb cilat p\u00ebr nj\u00eb n\u00ebndet\u00ebse duhen 14.5 ton argjendi, dhe sipas kostos ata tejkalojn\u00eb akumulator\u00ebt plumb-oksid 4 her\u00eb. Kujtoj se baterit\u00eb Li-Ion tani jan\u00eb m\u00eb t\u00eb shtrenjta se VRLA vet\u00ebm 1.5-2 her\u00eb n\u00eb var\u00ebsi t\u00eb fuqis\u00eb s\u00eb zgjidhjes.
    \n Dhe \u00e7far\u00eb po b\u00ebjn\u00eb japonez\u00ebt? Ata kujtuan shum\u00eb von\u00eb se \"leht\u00ebsimi i anijes\" me 700 ton sjell ndryshime n\u00eb cil\u00ebsit\u00eb e saj detar, stabilitetin... Probabilisht ata kan\u00eb pasur nevoj\u00eb t\u00eb shtojn\u00eb arm\u00eb n\u00eb bord, p\u00ebr t\u00eb rikthyer vlerat projektore t\u00eb shp\u00ebrndarjes s\u00eb mas\u00ebs s\u00eb anijes. <\/p>\n

    \"Koha<\/p>\n

    Baterit\u00eb litium-jon gjithashtu peshojn\u00eb m\u00eb pak se akumulator\u00ebt plumb-oksid, ndaj projekti i n\u00ebndet\u00ebses s\u00eb tipit Soryu duhej rishikuar pak p\u00ebr t\u00eb ruajtur balastimin dhe stabilitetin.<\/p>\n

    N\u00eb Japoni jan\u00eb krijuar dhe d\u00ebrguar n\u00eb gjendje operimi dy lloje baterish lithium-jon: bateria e oksidit t\u00eb litium-nikel-kobalt-alumin (NCA) e prodhuar nga kompania GS Yuasa dhe bateria litium-titanate (LTO) e prodhuar nga korporata Toshiba. Flota japoneze do t\u00eb p\u00ebrdor\u00eb bateri NCA, nd\u00ebrsa, sipas Kobayashi, n\u00eb tenderin e fundit p\u00ebr p\u00ebrdorimin n\u00eb n\u00ebndet\u00ebse t\u00eb tipit Soryu jan\u00eb propozuar bateri LTO nga Australia.<\/p><\/blockquote>\n

    Duke e ditur se Japonia i kushton nj\u00eb p\u00ebrgjegj\u00ebsi t\u00eb madhe siguris\u00eb, mund t\u00eb supozojm\u00eb se \u00e7\u00ebshtjet e siguris\u00eb lidhur me litiumin jan\u00eb t\u00eb zgjidhura, t\u00eb testuara dhe t\u00eb certifikuara. <\/p>\n

    Rreziku: rrezik nga zjarri.<\/b><\/p>\n

    K\u00ebtu do t\u00eb shqyrtojm\u00eb q\u00ebllimin e botimit, pasi mendimet p\u00ebr sigurin\u00eb e k\u00ebtyre zgjidhjeve jan\u00eb diametralisht t\u00eb kund\u00ebrta. Por kjo \u00ebsht\u00eb letrare, \u00e7far\u00eb kemi me zgjidhjet e konkretizuar industriale? <\/p>\n

    \u00c7\u00ebshtjet e siguris\u00eb i kemi trajtuar tashm\u00eb n\u00eb artikullin ton\u00eb<\/a><\/noindex>, por le t\u00eb ndalemi edhe nj\u00eb her\u00eb n\u00eb k\u00ebt\u00eb \u00e7\u00ebshtje. T\u00eb kthehemi te figura, ku u shqyrtua niveli i mbrojtjes s\u00eb modulit dhe qeliz\u00ebs LMO\/NMC t\u00eb bateris\u00eb s\u00eb prodhuar nga Samsung SDI dhe p\u00ebrdorur n\u00eb sistemet UPS t\u00eb Schneider Electric.<\/p>\n

    Proceset kimike jan\u00eb shqyrtuar n\u00eb artikullin e p\u00ebrdoruesit LadyN<\/a><\/noindex> Si shp\u00ebrthejn\u00eb baterit\u00eb lithium-jon<\/a><\/noindex>. Le t\u00eb p\u00ebrpiqemi t\u00eb kuptojm\u00eb rreziqet e mundshme n\u00eb rastin ton\u00eb konkret dhe t'i p\u00ebrkojm\u00eb ato me mbrojtjen m\u00eb t\u00eb madhe n\u00eb qelizat Samsung SDI, t\u00eb cilat jan\u00eb pjes\u00eb e raftit t\u00eb gatsh\u00ebm Li-Ion Type G n\u00eb zgjidhjen komplekse t\u00eb bazuar n\u00eb Galaxy VM.<\/p>\n

    Le t\u00eb fillojm\u00eb me rastin e p\u00ebrgjithsh\u00ebm t\u00eb skem\u00ebs s\u00eb rrezikut dhe shkakut t\u00eb zjarrit t\u00eb qeliz\u00ebs lithium-jon.<\/p>\n

    \"Koha
    \nDhe m\u00eb af\u00ebr? Fotografia \u00ebsht\u00eb e klikueshme.<\/i><\/a><\/noindex><\/p>\n

    N\u00ebn spoiler mund t\u00eb studiojm\u00eb pyetjet teorike t\u00eb rrezikut t\u00eb zjarrit t\u00eb baterive lithium-jon dhe fizik\u00ebn e proceseve<\/b>Skema fillestare e rrezikut dhe shkaku i zjarrit (Safety Hazard) t\u00eb qeliz\u00ebs lithium-jon nga artikulli shkencor<\/a><\/noindex> i vitit 2018. <\/p>\n

    \"Koha
    \n
    \nDuke qen\u00eb se n\u00eb var\u00ebsi t\u00eb struktur\u00ebs kimike t\u00eb qeliz\u00ebs lithium-jon jan\u00eb dallime n\u00eb karakteristikat e rritjes termike t\u00eb qeliz\u00ebs, k\u00ebtu do t\u00eb ndalemi n\u00eb procesin e p\u00ebrshkruar n\u00eb artikull n\u00eb qeliz\u00ebn lithium-nikel-kobalt-alumin (bazuar n\u00eb LiNiCoAIO2) ose NCA.
    \nProcesi i zhvillimit t\u00eb nj\u00eb aksidenti n\u00eb qeliz\u00eb mund t\u00eb ndahet n\u00eb tri faza: <\/p>\n

    \"Koha
    \n<\/p>\n

      \n
    1. Faza 1 (Onset). Funksionimi normal i qeliz\u00ebs, kur gradienti i rritjes s\u00eb temperatur\u00ebs nuk kalon 0.2 \u00b0C n\u00eb minut\u00eb dhe temperatura e qeliz\u00ebs nuk kalon 130-200 \u00b0C, n\u00eb var\u00ebsi t\u00eb struktures kimike t\u00eb qeliz\u00ebs; <\/li>\n
    2. Faza 2, ngrohja (Acceleration). N\u00eb k\u00ebt\u00eb faz\u00eb, temperatura rritet, gradienti i rritjes s\u00eb temperatur\u00ebs rritet ndjesh\u00ebm, dhe ndodhi nj\u00eb zhvillim aktiv i energjis\u00eb termike. N\u00eb p\u00ebrgjith\u00ebsi, ky proces shoq\u00ebrohet me nxjerrjen e gazrave. K\u00ebto l\u00ebshime t\u00eb tepruara t\u00eb gazrave duhet t\u00eb kompensohen me veprimin e valvul\u00ebs s\u00eb sigurimit;\n<\/li>\n
    3. Faza 3, rritja termike (Runaway). Ngrohja e bateris\u00eb mbi 180-200 grad\u00eb. Gjat\u00eb k\u00ebsaj, materiali i katod\u00ebs reagon me dispropocionimin dhe nxjerr oksigjen. Ky \u00ebsht\u00eb niveli i rritjes termike, pasi n\u00eb k\u00ebt\u00eb rast mund t\u00eb ndodh\u00eb nj\u00eb p\u00ebrzierje e gazrave q\u00eb digjen me oksigjenin, e cila do t\u00eb shkaktoj\u00eb vet\u00eb-ndizje. Megjithat\u00eb, ky proces n\u00eb disa raste mund t\u00eb kontrollohet, dometh\u00ebn\u00eb \u2013 me ndryshimin e kushteve t\u00eb jashtme, rritja termike ndonj\u00ebher\u00eb ndalet pa pasoja fatale p\u00ebr hap\u00ebsir\u00ebn p\u00ebrreth. Funksionaliteti dhe puna e vet\u00eb qeliz\u00ebs litium pas k\u00ebtyre ngjarjeve nuk merret n\u00eb konsiderat\u00eb.<\/li>\n<\/ol>\n

      \n\"Koha
      \n\"Koha<\/p>\n

      Temperatura e kalitjes termike varet nga madh\u00ebsia e qeliz\u00ebs, konstrukti i qeliz\u00ebs dhe materiali. Temperatura e kalitjes termike mund t\u00eb varioj\u00eb nga 130 deri n\u00eb 200 grad\u00eb Celsius. Koha e kalitjes termike mund t\u00eb ndryshoj\u00eb dhe t\u00eb zgjas\u00eb minuta, or\u00eb ose madje dit\u00eb\u2026<\/p><\/blockquote>\n

      \n \u00c7far\u00eb ndodh me qelizat e tipit LMO\/NMC n\u00eb baterit\u00eb litium-tion? <\/b><\/p>\n

      \"Koha
      \nDhe m\u00eb af\u00ebr? Fotografia \u00ebsht\u00eb e klikueshme.<\/i><\/a><\/noindex><\/p>\n

      \u2013 P\u00ebr t\u00eb parandaluar kontaktin e anod\u00ebs me elektrolitin, p\u00ebrdoret nj\u00eb shtres\u00eb qeramike n\u00eb p\u00ebrb\u00ebrjen e qeliz\u00ebs (SFL). Bllokimi i l\u00ebvizjes s\u00eb jonet litium ndodh kur temperatura arrin 130 \u00b0C.<\/p>\n

      \u2013 P\u00ebrve\u00e7 valvul\u00ebs mbrojt\u00ebse t\u00eb ventilimit, p\u00ebrdoret nj\u00eb sistem mbrojtjeje nga mbiparkimi (Over Charge Device, OSD), i cili punon n\u00eb \u00e7ift me sigurin\u00eb e brendshme dhe \u00e7monton qeliz\u00ebn e d\u00ebmshme, duke mos lejuar q\u00eb procesi i rritjes termike t\u00eb arrij\u00eb n\u00eb nivele t\u00eb rrezikshme. Akti i sistemit t\u00eb brendsh\u00ebm OSD do t\u00eb ndodh\u00eb m\u00eb her\u00ebt, kur presioni arrin 3.5 kg\/cm2, pra, gjysm\u00eb m\u00eb pak se presioni i veprimit t\u00eb valvul\u00ebs s\u00eb qeliz\u00ebs.<\/p>\n

      P\u00ebr ta th\u00ebn\u00eb, siguresa e qeliz\u00ebs do t\u00eb aktivehet kur rrym\u00ebs mbi 2500 A brenda 2 sekondash. Le t\u00eb supozojm\u00eb se gradiente e temperatur\u00ebs ka arritur t\u00eb dh\u00ebnat 10 grad\u00eb C\/min. P\u00ebr 10 sekonda, qeliza do t\u00eb ket\u00eb rritur temperatur\u00ebn e saj me rreth 1,7 grad\u00eb, duke qen\u00eb n\u00eb modalitetin e shpejtimit. <\/p><\/blockquote>\n

      \u2013 Ndara trefisht\u00eb n\u00eb qeliz\u00eb n\u00eb modalitetin e rikuperimit do t\u00eb siguroj\u00eb bllokimin e kalimit t\u00eb joneve t\u00eb litiumit n\u00eb anodin e qeliz\u00ebs. Temperatura e bllokimit \u00ebsht\u00eb 250 grad\u00eb C.<\/p>\n

      \"Koha
      \n
      \nTani le t\u00eb shohim se \u00e7far\u00eb kemi me temperatur\u00ebn e qeliz\u00ebs; t\u00eb p\u00ebrshtatim n\u00eb cilat etapa ndodhin aktivizimet e llojeve t\u00eb ndryshme t\u00eb mbrojtjes n\u00eb nivelin e qeliz\u00ebs.<\/p>\n

      \u2014 Sistemi OSD \u2013 3,5+-0,1 kg\/cm2 <= presioni i jasht\u00ebm
      \nMbrojtje shtes\u00eb nga rrymat e tejkalueshme.<\/p>\n

      \u2014 Valvula mbrojt\u00ebse 7,0+-1,0 kg\/cm2 <= presioni i jasht\u00ebm<\/p>\n

      \u2014 Siguresa brenda qeliza 2 sekonda p\u00ebr 2500A (modaliteti i rrymave t\u00eb tepruara)<\/p>\n

      \"Koha
      \n
      \nRreziku i kalitjes termike t\u00eb qeliz\u00ebs varet drejtp\u00ebrdrejt nga niveli i karikimit t\u00eb qeliz\u00ebs, m\u00eb shum\u00eb detaje k\u00ebtu\u2026<\/b>Le t\u00eb shqyrtojm\u00eb efektin e nivelit t\u00eb ngarkes\u00ebs s\u00eb qeliz\u00ebs n\u00eb kontekstin e rreziqeve p\u00ebr zhvillimin termik. Le t\u00eb shqyrtojm\u00eb tabel\u00ebn e p\u00ebrputhshm\u00ebris\u00eb s\u00eb temperatur\u00ebs s\u00eb qeliz\u00ebs nga parametri SOC (Gj\u00ebndja e Ngarkes\u00ebs, shkalla e ngarkes\u00ebs s\u00eb akumulatorit).<\/p>\n

      \"Koha
      \n
      \nGj\u00ebndja e ngarkes\u00ebs s\u00eb akumulatorit matet n\u00eb p\u00ebrqindje dhe tregon se sa pjes\u00eb e ngarkes\u00ebs totale mbetet e ruajtur n\u00eb akumulator. N\u00eb k\u00ebt\u00eb rast, ne shqyrtojm\u00eb modalitetin e rikuperimit t\u00eb akumulatorit. Mund t\u00eb p\u00ebrfundojm\u00eb se, n\u00eb var\u00ebsi t\u00eb p\u00ebrb\u00ebrjes kimike t\u00eb qeliz\u00ebs s\u00eb litiumit, bateria mund t\u00eb sillet ndryshe gjat\u00eb rikuperimit dhe t\u00eb ket\u00eb prirje t\u00eb ndryshme p\u00ebr zhvillim thermal. Kjo \u00ebsht\u00eb p\u00ebr shkak t\u00eb kapacitetit specifik t\u00eb ndrysh\u00ebm (Ah\/g) t\u00eb llojeve t\u00eb ndryshme t\u00eb qelizave Li-Ion. Sa m\u00eb i lart\u00eb t\u00eb jet\u00eb kapaciteti specifik i qeliz\u00ebs, aq m\u00eb t\u00eb shpejta do t\u00eb jen\u00eb zhvillimet termike gjat\u00eb rikuperimit.<\/p>\n

      P\u00ebr m\u00eb tep\u00ebr, n\u00eb 100% SOC, nj\u00eb shkarkim i jasht\u00ebm shpesh \u00e7on n\u00eb nj\u00eb zhvillim termik t\u00eb qeliz\u00ebs. Nga ana tjet\u00ebr, kur qeliza ka nj\u00eb nivel ngarkese prej 80% SOC, temperatura maksimale e fillimit t\u00eb zhvillimit termik t\u00eb qeliz\u00ebs zhvendoset n\u00eb nj\u00eb nivel m\u00eb t\u00eb lart\u00eb. Qeliza b\u00ebhet m\u00eb e q\u00ebndrueshme ndaj kushteve emergjente. <\/p>\n

      Dhe, p\u00ebrfundimisht, p\u00ebr 70% SOC, shkarkimet e jashtme mund t\u00eb mos jen\u00eb shkaku i zhvillimit termik fare. K\u00ebshtu, rreziku i ndizjes s\u00eb qeliz\u00ebs zvog\u00eblohet ndjesh\u00ebm, dhe skenari m\u00eb i mundsh\u00ebm \u00ebsht\u00eb aktivizimi i valvul\u00ebs mbrojt\u00ebse t\u00eb akumulatorit t\u00eb litiumit.<\/p>\n

      P\u00ebr m\u00eb tep\u00ebr, nga tabela mund t\u00eb nxjerrim p\u00ebrfundimin se bateria LFP (kuria e purpurt) zakonisht ka nj\u00eb ngjitje t\u00eb theksuar t\u00eb temperatur\u00ebs, q\u00eb do t\u00eb thot\u00eb, faza e \"ngrohjes\" kalon pa probleme n\u00eb faz\u00ebn e \"prerjes termike\", dhe q\u00ebndrueshm\u00ebria e k\u00ebtij sistemi ndaj mbingarkes\u00ebs \u00ebsht\u00eb disi m\u00eb e keqe. Baterit\u00eb e tipit LMO, si\u00e7 e shohim, kan\u00eb nj\u00eb karakteristik\u00eb m\u00eb t\u00eb but\u00eb ngjitjeje gjat\u00eb mbingarkes\u00ebs.<\/p>\n

      <\/p>\n

      E R\u00cbND\u00cbSISHME:<\/b> kur sistemi OSD aktivizohet, ndodhet nj\u00eb rikthim i qeliz\u00ebs n\u00eb bypass. K\u00ebshtu, tensioni n\u00eb raft reduktohet, por ai mbetet n\u00eb pun\u00eb dhe d\u00ebrgon sinjal n\u00eb sistemin e monitorimit t\u00eb UPS p\u00ebrmes sistemit BMS t\u00eb rafteve. N\u00eb rastin e nj\u00eb sistemi klasike UPS me bateri VRLA, nj\u00eb shkurtim i qarkut ose nj\u00eb nd\u00ebrprerje brenda nj\u00eb AKB n\u00eb string mund t\u00eb shkaktoj\u00eb d\u00ebshtimin e UPS n\u00eb t\u00ebr\u00ebsi dhe humbjen e funksionalitetit t\u00eb pajisjeve IT.<\/p><\/blockquote>\n

      Duke u bazuar n\u00eb sa m\u00eb sip\u00ebr, p\u00ebr rastin e p\u00ebrdorimit t\u00eb zgjidhjeve t\u00eb litiumit n\u00eb UPS mbeten t\u00eb rrezikshme:<\/p>\n

        \n
      1. Prerja termike e qeliz\u00ebs, modulit p\u00ebr shkak t\u00eb nj\u00eb KZ t\u00eb jasht\u00ebm \u2013 disa nivele mbrojtjeje.\n<\/li>\n
      2. Prerja termike e qeliz\u00ebs, modulit p\u00ebr shkak t\u00eb nj\u00eb defekti t\u00eb brendsh\u00ebm t\u00eb bateris\u00eb \u2013 disa nivele mbrojtjeje n\u00eb nivelin e qeliz\u00ebs, modulit.\n<\/li>\n
      3. Mbingarkesa \u2013 mbrojtja me mjete BMS plus t\u00eb gjitha nivelet e mbrojtjes p\u00ebr raftin, modulit, qeliz\u00ebs.\n<\/li>\n
      4. D\u00ebmtimi mekanik \u2013 i par\u00ebnd\u00ebsish\u00ebm p\u00ebr rastin ton\u00eb, rreziku i ngjarjes \u00ebsht\u00eb i pap\u00ebrfillsh\u00ebm.\n<\/li>\n
      5. T\u00eb qenit e nxeht\u00eb e raftit dhe t\u00eb gjitha baterive (modul\u00ebve, qelizave). Jo kritik deri n\u00eb 70-90 grad\u00eb. N\u00ebse temperatura n\u00eb ambientin e sistemit UPS rritet mbi k\u00ebto vlera \u2013 at\u00ebher\u00eb \u00ebsht\u00eb tashm\u00eb nj\u00eb zjarr n\u00eb nd\u00ebrtes\u00eb. N\u00eb kushtet normale t\u00eb pun\u00ebs s\u00eb Qendrave t\u00eb t\u00eb Dh\u00ebnave, rreziku i ngjarjes \u00ebsht\u00eb i pap\u00ebrfillsh\u00ebm.\n<\/li>\n
      6. Ulja e resurseve t\u00eb baterive n\u00eb temperatura t\u00eb r alta \u2013 lejohet puna e gjat\u00eb n\u00eb temperatura deri n\u00eb 40 grad\u00eb pa nj\u00eb ulje t\u00eb ndjeshme t\u00eb resurseve t\u00eb baterive. Baterit\u00eb e plumbit jan\u00eb shum\u00eb t\u00eb ndjeshme ndaj \u00e7do rritjeje t\u00eb temperatur\u00ebs dhe ulin burimin e mbetur n\u00eb p\u00ebrpjes\u00ebtim me rritjen e temperatur\u00ebs.\n<\/li>\n<\/ol>\n

        \nLe t\u00eb hedhim nj\u00eb sy n\u00eb diagramin e rreziqeve t\u00eb aksidenteve me bateri litium-jon n\u00eb rastin ton\u00eb t\u00eb p\u00ebrdorimit n\u00eb QDN, server. Do ta thjeshtojm\u00eb disi diagramin, pasi UPS-t\u00eb litium do t\u00eb shfryt\u00ebzohen n\u00eb kushte ideale, n\u00eb krahasim me kushtet e pun\u00ebs s\u00eb baterive n\u00eb pajisjet tuaja, telefonin.<\/p>\n

        \"Koha
        \n Fotoja \u00ebsht\u00eb e klikueshme.<\/i><\/a><\/noindex><\/p>\n

        P\u00cbRFUNDIM:<\/b> <\/b> Baterit\u00eb litium-ion t\u00eb specializuara p\u00ebr UPS t\u00eb Qendrave t\u00eb T\u00eb Dh\u00ebnave dhe server\u00ebt ofrojn\u00eb nj\u00eb nivel t\u00eb mjaftuesh\u00ebm mbrojtjeje kund\u00ebr situatave emergjente, dhe n\u00eb nj\u00eb zgjidhje t\u00eb integruar, ka shum\u00eb nivele t\u00eb mbrojtjes s\u00eb ndryshme, si dhe m\u00eb shum\u00eb se pes\u00eb vjet p\u00ebrvoj\u00eb n\u00eb p\u00ebrdorimin e k\u00ebtyre zgjidhjeve, q\u00eb na lejon t\u00eb flasim p\u00ebr nj\u00eb nivel t\u00eb lart\u00eb sigurie t\u00eb teknologjive t\u00eb reja. P\u00ebr m\u00eb tep\u00ebr, \u00ebsht\u00eb e r\u00ebnd\u00ebsishme t\u00eb theksohet se p\u00ebrdorimi i baterive litium-ion n\u00eb sektorin ton\u00eb ka kushte<\/p>\n

        Mund t\u00eb m\u00ebsoni m\u00eb shum\u00eb dhe t\u00eb diskutoni nj\u00eb zgjidhje specifike duke p\u00ebrdorur bateri litium-ion p\u00ebr serverin tuaj ose Qendr\u00ebn e T\u00eb Dh\u00ebnave duke d\u00ebrguar nj\u00eb k\u00ebrkes\u00eb n\u00eb adres\u00ebn e emailit info@ot.ru<\/a><\/noindex>, ose duke b\u00ebr\u00eb nj\u00eb k\u00ebrkes\u00eb n\u00eb faqen e internetit t\u00eb kompanis\u00eb www.ot.ru<\/a><\/noindex>. <\/p><\/blockquote>\n

        TEKNOLOGJIT\u00cb E HAPURA<\/b> \u2013 zgjidhje t\u00eb besueshme t\u00eb nj\u00ebanshme nga lider\u00ebt bot\u00ebror\u00eb, t\u00eb adaptuara pik\u00ebrisht p\u00ebr q\u00ebllimet dhe nevojat tuaja.<\/p>\n<\/blockquote>\n

        \nAutori:<\/i> Oleg Kulikov
        \nInxhinier i kryesuesh\u00ebm konstruktor
        \nDepartamenti i Zgjidhjeve Integruese
        \nKompania Teknologjit\u00eb e Hapura<\/p>\n

        <\/b><\/i><\/p>\n

        Vet\u00ebm p\u00ebrdoruesit e regjistruar mund t\u00eb marrin pjes\u00eb n\u00eb anket\u00eb. Hyni<\/a><\/noindex>, ju lutem.<\/p>\n

        \u00c7far\u00eb mendimi keni p\u00ebr sigurin\u00eb dhe aplikueshm\u00ebrin\u00eb e zgjidhjeve industriale me teknologji Li-Ion?<\/h2>\n