Valve-regulated lead-acid batteries (VRLA) rej kōjerbali ilo UPS ko ilo juon jikin park. Brand ko rej koba Tangshan, Panasonic, im Rich, im ko jet, im DC unit voltage eo ej 12V. Juon battery ej juon kein kōjparok kajoor in kajur eo ej charge im discharge im ukōt kajoor in chemical ñan kajoor in kajur. Lead-acid battery ko rej ejaak jen Pb (negative electrode) im PbO2 (positive electrode) kar likūt ilo dilute sulfuric acid (H2SO4), kajjojo monomer ewōr juon an 2V electromotive force.
Liquid leakageCrystal ko rekilmeej, copper cores/connecting strips/terminals iturin pole ko rej green, im electrolyte ej toor ikōtaan slot cover ko ak valve body eo.
BulgingPressure eo ilowaan ej laplok jen joñan eo, im kōmman bwe safety valve eo en jab jerbal im en wor jorrāān in rup.
Voltage eo ejjab jimwePenetration short-circuit ("lead-branching") ak disconnection (dummy soldering, busbar muddy sulfate) ej walok ilo juon cell voltage < 2.1V ak > 2.5V.
Over-dischargeElañe discharge eo ej wōnmanlok jen termination protection voltage eo, PbSO charge eo ejjab maroñ in bar jeblak, im capacity eo ej diklok.
An jako maroñ ko ilo ien eo emōkaj:Plate eo ej jorrāān, sulfation, electrolyte eo ej jako, safety valve/separator eo ej jorrāān.
1) Mour in jerbal:Emoj an kar jerbal jen ien eo kar jinoe jikin jerbal eo iumwin 5 yio, im ej juon menin aikuj bwe kwon bōk jikin.
2) Internal resistance:Resistance eo ilowaan ej laplok ilo an rūttolok; ñe online charging eo im joñan internal resistance reference table eo ilo joñan bwil im molo eo ekkar (25 °C) ej kwalok bwe joñan eo ej juon/local ej lukkun laplok jen joñan eo ak aolep kumi eo ej lukkun laplok jen joñan eo im ej tõbar joñan eo ekauwatata, rej bebe in bōk jikin.
3) Wāween an walok:Expansion deformation, liquid leakage (slot cover cracking ak penetration ej aikuj in bōk jikin, easy to ground failure, melting combustion), terminal corrosion ak acid leakage (high connection resistance, damage to battery im connection cable ej aikuj in bōk jikin).
4) joñan bwil im molo:joñan bwil im molo eo emman tata ej 21-27 °C; mour ej jimettan aolep 10 °C ilōñ in 25 °C; jorrāān in bwil im molo ilo joñan bwil im molo eo elaplok jen 35 °C ej aikuj in kōmman bwe en maroñ in kōto, im ej aikuj in bōk jikin elañe ej bar walok elikin an kar bwil.
| joñan bwil im molo eo elap ej kōmman bwe en mõkaj an mour (jab diiklok jen) | Cyclic durability (jab diklok jen) | |
|---|---|---|
| 2V | 8 alen | 400 alen |
| 12V | 6 alen | 300 alen |
| joñan bwil im molo eo elap ej kōmman bwe en mõkaj an mour (jab diiklok jen) | Cyclic durability (jab diklok jen) | |
|---|---|---|
| 2V | 8 alen | 400 alen |
| 12V | 6 alen | 300 alen |
Kōjjelā: Elañe maroñ eo emol ej diiklok jen 80% in maroñ eo ilo ien jerbal, mour eo ej jemlok; floating charge eo ej aikuj in charge im discharge aolep ien ñan kōjparok, im ro rej kajerbale ekkã air aikuj in kajeoñ in kadiklok joñan discharge eo ñan kōkōmanmanlok mour in cycle eo.
| Thermal runaway triggers | Jekjek ko rejejjet | Wāween bōbrae jān nan̄inmej |
|---|---|---|
| Elap an kajoor charge | Floating charge single section average voltage > 13.80 V/section | Kōmman juon joñan edik in 13.50 V/knot; kalikar bwe en bin wōt kein jerbal in charge eo |
| joñan bwil im molo eo elap | joñan bwil im molo eo elap an utiej, ejjab jejjet an jolok bwil im molo | Air conditioning cooling; ial eo emōrā ej emman tata iturin 22° C, jab laplok jen 25° C |
| Ejjab emman jikin eo ej jolok bwil im molo | Kōllaajrak in bwil ejjab maroñ in jako | Battery spacing > 1cm, open rack layout; air conditioner ej call self-start |
Form:Ilo ien charge eo ej walok, joñan bwil im molo ej laplok jen joñan bwil eo ej jako, joñan bwil im molo ej wōnmanlok, im→ charging current→ im joñan bwil im molo rej wōnmanlok wōt ilo juon wāween eo enana. joñan bwil im molo eo ilo 24 awa emaron in laplok jen 60 °C ak 100 °C +, im kōmman an jako electrolyte, kalaplok an rup, sulfation, leakage short circuit, im barāinwōt kijeek. Jilu men ko relap rej kōmman bwe en lap an charge, elap an bwil im molo, im ejjab emman an jolok bwil.
Kōjparok:Charging voltage - joñan bwil im molo in ruum (20-30 °C) charge eo ej etal 13.50-13.80V/knot, elaplok jen 13.80 V heat surge; ripple effective value ejjab laplok jen 1%, P-P ej diklok jen 4.5%, im ripple current effective value ejjab laplok jen 5% in capacity eo; joñan bwil im molo ej kajoorlok ilo jemlokin joñan bwil im molo eo, im joñan bwil im molo ejjab maroñ in kajoor ilo pein ñe joñan bwil im molo eo ej laplok jen 40 °C; ejjab ekkā an jako kajoor (< 1 alen ilo juon wiik). joñan bwil im molo in mejatoto - 20-30 °C, emman tata 21-27 °C, lale jikin ko re bwil ilowaan battery cabinet eo. Jikin eo ej jolok bwil im molo - joñan bwil im molo ikõtan battery ko ej > 1cm, jikin eo ej bellok, joñan an maroñ in deloñ ilo ruum in battery eo, im call eo ej itok jen air conditioner eo rej make jinoe; joñan bwil im molo eo an aolep kumi eo ej joñan wōt juon im jikin eo ej aikuj in jolok bwil im molo ilo 5 °C, im charge eo ej bōjrak ilo 10 °C. Ej juon menin aikuj ñan lale joñan an kajoor im joñan an kajoor ilowaan aolep 3 allōñ, im ukōt battery eo ilo ien eo ejejjet.
| Menin aikuj ko kin bwil im molo | Aorōk eo ejejjet |
|---|---|
| joñan bwil im molo ikõtan battery ko | > 1cm, open rack layout |
| Joñan joñan bwil im molo in battery eo im mejatoto | > 5° C ñan bōk joñan bwil im molo; > 10° C ñan bōjrak an charge |
| joñan bwil im molo eo emman tata | 20-30°C (channel eo emōrā iturin 22°C) |
| Bwil im molo in mejatoto > 35°C | Kōmman bwe en maroñ in kōto; bōk jikin elañe ej bar bwil |
① Kōkōmanmanlok jerbal in kein jerbal ko:Kōjepļaaktok iien jerbal im kōkōm̧anm̧anļo̧k em̧m̧an. ②Bōbrae jorrāān in likjab:Kōmman bwe en dikļo an jorrāān, short circuit, im kijeek. ③Kalaplok ien mour:Jab kōmman kōkmman ko jet im kōjparok wōnāān jerbal im kōjparok. Wāween ko rejimwe ñan bōk jikin im bōbrae im kōjparok thermal runaway emaron jolok jorrāān eo ettino an overdue im overrun, im lukkun lale bwe en emman im tiljek an UPS power supply.
Juon-ñan-juon melele kin kein jerbal ko rej kalaplok mour in battery eo an base-station.
| Men eo ej kōmman an battery eo mour | Ewi wewein kalaplok mour in battery eo |
|---|---|
| joñan bwil im molo in mejatoto | Kōjparok battery eo jen joñan bwil im molo eo elap |
| Oran im joñan an walok discharge ko | Bar charge battery eo ilo ien eo emman elikin an jolok |
| Depakpak in an diwōjtok | Bōbrae an ļap an diwōjtok |
| Kien ko ñan lale battery ko | Kōmmane joñan ko an management ilo jimwe |
| Kōjparok eo ekkā | Kōmmane jerbal in kōkmmanwa ilo juon ien eo emoj karõke |
Kwalok ñan kim ta ko kwoj aikuj in kōmmane im joñan maroñ in kōmmane, innem kim naj lewoj juon wāween eo emman tata im lewoj juon am quote ilowaan 24 awa.
Bōk juon am quote ejjelok wōnāānSDA10 series (48V, 50–200Ah, 3U–7U), 1C high current discharge, cycle life enañin 3 alen jen battery ko jet, built-in BMS (SOC/SOH, overdischarge/overcharge/overcurrent/temperature protection) im DC heating + thermal management range, temperature range adaptability. Industrial chain eo ej make iaer jen battery cell ko ñan system integration emoj an bōk ISO9001 / ISO14001 / CE / UL / UN38.3 certification. Jikin jerbal ko ruo relap kar kãlet ir einwõt jikin jerbal ko rekãl im rar bed wõt ibwiljin BNEF Tier 1 global energy storage manufacturers.
Katak kin lead-acid battery ko ñan jikin konono ko →