45°C, Dɔst ɛn wan 72-Awa MTTR: ​​Disain Mentɛnabl Batri fɔ Afrikan Sayt dɛn

Atikul

Mach 9, 2022

Na 45°C ambient, kapasiti fɔ derated, dɔst blok kol ɛn kɔrode tɛminal, ɛn wan singl sayt visit kin tek tu dez — di rialiti frɔm Timbuktu ɛn Gao na Mali to Agadez na Nayja, Chad ɛn nɔtan Sudan. Maintainability nɔto ad-ɔn; na di fɔs sɛlɛkshɔn kɔnstrakshɔn.

Wetin Lef pan Rated Kapasiti na 45°C

Na inland sayt dɛm we de rawnd Timbuktu ɛn Gao na Mali, Agadez na Nayja, Chad, nɔtan Sudan ɛn Mɔritania, sɔm ambiɛnt de ol ɔp 45°C ɛn kabinɛt intɛriɔ de rɔn hot stil. Di nem plet kapasiti figa de distɔrj — ɛn bay mɔ pas aw bɔku pipul dɛn de ɛkspɛkt. Lid-asid kapasiti de fɔdɔm as tɛmpracha de fɔdɔm ɛn go ɔp as tɛmpracha de go ɔp, so na 45°C wan givɛn bateri kin rili gi mɔ kapasiti pas na 25°C, wan pɔynt we dɛn nɔ kin ɔndastand ɔltɛm. di rial prכblεm nכto less kapasiti bכt sכt layf: flot layf na 45°C na roughly wan kwata pan di wan we de na 25°C. Na sayt dɛm we gɛt ay tɛmpracha, den, kapasiti nɔto di kɔnstrakshɔn — layf na. di kכnvεshכn, wan strכng we saiz fכ awa na 25°C go kכri di sayt fכ lεk fכ εn af awa insay in fכs tu ia na 45°C, dεn go fכl dכn tri awa frכm ia tri as ol de tek ova. Dat ovashoot-den-shɔtfɔl kɔv na di klashik ay-tɛmpracha bak-ap fayl mɔd.

Tri We dɛn we Dɔst De Du Damej

Dɔst kin afɛkt wan bateri sistem sloslo bɔt i kin gɛda, along tri kɔnkrit rod dɛn. Fɔs, blok kol: kabinɛt intake filta ɛn bateri ɛnklɔzhɔ lɔv dɛn kin klɔg insay wiks insay dɔst sizin, ad ɔda 5°C to 8°C insay — ɛn bikɔs ɛvri 10°C de haf layf, dat nɔmɔ kin tek ɔda kɔt. Sεkɔn, tεminal kכroshכn: dכst nכ de kכnduktiv insεf, bכt wans dεmp i de adhe to tεminal εn strap dεm we de fכm wan salin εlektrolayt film, εn כnda di kכndεnsεshכn saykl we de-nayt tεmprachכ swing dεm de drεb, post kכroshכn de aksεlεrayt mak, kכntakt rεsistεns de rayz εn tεminal dεm de hεt כnda ay-rεt dischaj. Tɔd, trak ɛn shɔt: kɔnduktiv dɔst we kin gɛda bitwin pɔsitiv ɛn nɛgitiv tɛminal dɛn kin mek wan trakin rod we di wɛda wet, ɛn if i bad, i kin mek di sɔfa lik ɔ faya. Di ansa dɛn na rispɛktvɔli: riples filta dɛn wit mɛtal mɛsh we yu kin was pan wan rod we yu kin yuz ɛvri mɔnt, fit inshɔlat tɛminal kɔva ɛn put anti-kɔrɛshɔn gris, ɛn blo dɔŋ wit dray kɔmprɛsd ɛya pas fɔ was wit wata.

Wetin Mek Frɔnt Tɛminal dɛn De Sev Leba Awa

Na sayt dɛn we kin tek tu dez fɔ rich, dɛn kin pe fɔ di awa dɛn we dɛn kin wok, ɛn na di batri kɔnstrɔkshɔn kin disayd dɛn awa dɛn de dairekt wan. Kɔnvɛnshɔnal batri dɛn gɛt tɔp tɛminal dɛn; wans yu instɔl am na kabinɛt di tɛminal dɛn de fes ɔp biɛn wan shelf ɔ kebul trey, so fɔ chɛk wan tɛminal min fɔ pul wan shelf ɛn muv kebul dɛn — fɔ fɔti minit fɔ inspɛkt wan 4-yunit string. Frɔnt-tɛminal dizayn (6-FMX siriɔs, 50–200Ah, nayn mɔdel) de put ɔl tu di tɛminal dɛn na di frɔnt fes, so batri dɛn kin sidɔm sayd bay sayd agens di kabinɛt wɔl ɛn fɔ inspekshɔn nɔ nid fɔ pul natin; di sem fo-yunit inspekshכn de dכp כnda tεn minit. Riplesmɛnt difrɛn mɔ: dɛn fɔ es di tɔp-tɛminal yunit dɛn kɔmɔt bifo dɛn waya, we di frɔnt-tɛminal yunit dɛn kin alaw fɔ pul di strap dɛn ɛn put dɛn bak na dɛn ples. Frɔnt tɛminal dɛn kin sev di kabinɛt bak, we kin lɛf mɔ kɔnvɛkshɔn gap — we kin kam bak to di tɛmpracha prɔblɛm. Insay Afrika in ay-kɔst mentenɛns ɛnvayrɔmɛnt, di ɛni ia leba sev frɔm dis strɔkchɔral difrɛns kin pas di prayz difrɛns bitwin di batri dɛn.

Mentɛnans-Fri Nɔto Inspekshɔn-Fri

Di wɔd ‘maintenance-free battery’ de rili mistek insay Afrika kɔntɛks. I min se dɛn nɔ fɔ put distil wata, nɔto inspekshɔn. jכs biכs dεn nכ kin opin di sεl fכ chεk εlektrolayt, di εksternal indikεtכ dεm impɔtant mכr. Wan inspekshɔn list we fit fɔ ay-kɔst sayt akses gɛt fayv tin dɛn: fɔs, monoblɔk intanɛnt rɛsistɛns we dɛn mɛzhɔ wit pɔtabl tɛsta, we de flag ɛnitin we pas 20% frɔm di string min; sεkכn, monoblok vכltεj we i de rεst, we de flag εnitin we pas 0.05V frכm di min; tכd, tεrminal tεmprachכ we dεn mכsu wit infrarεd gכn wantεm afta dεn dכn dischaj, usay 5°C difrεns de sho se i nכmal kכntakt rεsistεns; fכs, vishכnal kכndishכn, we de fכkus pan kes swel, tεminal kכroshכn εn fכluid trays; fayv, envayrɔmɛnt, rikodin kabinɛt pik tɛmpracha ɛn filta blɔk. Ɔl di fayv kin tek ɔnda fayvtin minit na di sayt bɔt dɛn kin kɔt di prɔbabiliti fɔ mek di wan ol string nɔ wok wantɛm wantɛm bad bad wan. Di ki na fɔ tay inspekshɔn intaval to akses kɔst: usay visit tek tu dez, nɔ sɛt kwata saykl — sɛt siks mɔnt saykl wit ɔl di fayv tin dɛn we dɛn fɔ du. Lɔwa frikshɔn na sɔntin we pɔsin kin gri wit; tin dɛn we dɛn skip nɔto so.

Drayv MTTR frɔm 72 Awa to 24

Insay di Sahel 72 awa MTTR na nɔmal tin, ɛn fɔ rich 24 i nid fɔ gɛt 4 lev dɛn wan tɛm. Fɔs, spays ples: prɛ-pɔzishɔn kɔmplit string dɛn na rijinal westɛm dɛn insay siks awa drayv, na 3% to 5% pan di sayt kɔnt, wit wan kɔmplit mɔdel rɛnj. sεkכn, riplesabiliti: pik monoblok insay tu-pכsin hεndlin wet — fכnt-tεrminal 12V yunit dεm na mכst 30 to 65kg — εn avכyd big 2V sεl dεm we nid fכ lif gia כ fכ pכsin kכri; kɔnɛkt wit bolt, nɔto jɔyn we dɛn dɔn wɛl. Tɔd, prɛ-kɔnfigyushɔn: mach, chaj ɛn lɛbul kɔmplit string dɛn na di westɛm so di fil swap na stret riplesmɛnt wit nɔ maching ɔ initial chaj na di sayt. Fɔs, rimot ali wɔnin: monitar monoblɔk vɔlɔt ɛn intanɛnt rɛsistɛns ɛn rayz alam tu to 4 wik bifo i fel, kɔnvɔyt kɔrɛkt kɔl ɔut to wok we dɛn dɔn plan — di singl big MTTR improvement, bikɔs bɔku kɔl ɔut dɛn kin stɔp fɔ bi imejensi. Ɔl 4 de delivr 24 awa; di fכs tri dεm nכmכ kin rich 48 nכmכ.

Wan Kabinɛt Ritrofit Chɛklist fɔ Hot Sayt dɛn

Pik di rayt bateri ɛn lɛf di kabinɛt nɔmɔ, ɛn af pan di bɛnifit go dɔn. Wan chɛklist we dɛn kin du dairekt wan fɔ hot sayt dɛn gɛt siks tin dɛn. Fɔs, ad wan inshɔlet kanopi ɔ dabl ruf fɔ blok dairekt insoleshɔn — di big wan we de ridyus di tɛmpracha na di Sahel ɛn di mɛzhɔ we smɔl pas ɔl. Sɛkɔn, muv di say we di briz de go na di fes we gɛt shed ɛn fit di mɛtal dɔst mɛsh we yu kin was wit mɔ eria pas di fɔs dizayn, bikɔs dɛn fɔ mek di briz kɔntinyu fɔ de ivin we dɛn dɔn blok sɔm pat pan am. Tɔd, fit wan tɛmostatik fan we dɛn sɛt fɔ stat na 40°C ɛn stɔp na 35°C, wit 5°C difrɛns ɔ di fan shɔt-saykl ɛn in layf fɔdɔm. Fɔs, rayz di bateri bank at le 300mm ɔf di kabinɛt flo fɔ rɔnawe pan di ɔt pɔkit ɛn ɛni wata we tinap na di mɔnt. Fayv, put layt-kɔlɔ riflɛkɛtiv kɔtin insay di kabinɛt fɔ ridyus di solar absɔpshɔn — patikyula ifektiv pan mɛtal ɛnklɔzhɔ. Siks, fit wan baf oba di bateri bank so dat di fan nɔ go blo dairekt pan di sɛl dɛn ɛn mek wan lokal tɛmpracha difrɛns; dis kin bכku tεm dεn kin כvlכk, yet wan difrεns de mek di mכnoblכk dεm de ol pan difrεn rεt te di ol strכng de limited bay di wikest yunit. Tugeda dis siks tipikli dכp kabinet tεmprachכ bay 8°C to 12°C, we de dכbl layf. Di kɔst de fa dɔŋ wan string riplesmɛnt ɛn i fɔ bi standad prɔsis na hot sayt, nɔto opshɔn. View Telecom Backup Power Selection