Valve-Regulated Lead-Acid (VRLA) battery hi uninterruptible power system (UPS) hnungzang a ni a, emergency-ah backup power pawimawh tak a pe a ni. Mahse, heng standby power system-te integrity vawng reng tur hian lead acid battery a hun hmaa a chhiat chhan hriatthiam a pawimawh hle. He thuziak hian VRLA battery dam rei theihna tura nghawng neitu element hrang hrangte a zirchiang a, an service life rei zawk nan battery enkawl, hman dan leh enkawl dan dik a pawimawhzia a tarlang a ni.
Battery Nunna Tidanglamtu Thil pawimawh ber berte
Rawngbawlna Nun
Lum leh vawt tehna
Overcharging a ni
Undercharge a ni
Thermal atanga tlan chhuak a ni
Tui tlakchhamna (dehydration).
Contamination a awm
Catalysts te pawh a awm
Rawngbawlna Hun: 1.1.
IEEE 1881-in a sawi dan chuan battery service life tih hian condition bik hnuaia effective taka hnathawh hun chhung a kawk a, a tlangpuiin battery capacity chu a initial rated capacity atanga percentage engemaw zat a tlahniam thlenga cycle awm zat emaw, a zat emaw atanga teh a ni.
UPS (Uninterruptible Power Supplies) system-ah chuan battery te hi an dam chhung tam zawk chu float charge state-ah an awm tlangpui. Hemi kawngah hian ‘cycle’ tih hian battery hman (discharge) a, full charge-a dah lehna a kawk a ni. Lead-acid battery-in discharge leh recharge cycle a paltlang theih zat hi a tawp vek a ni. Cycle tin hian battery dam chhung zawng zawng a ti tlem deuh a ni. Chuvangin, local power grid rintlakna atanga cycling mamawh awm thei hriatthiam hi battery thlan danah a pawimawh hle a, battery chhiat theihna a nghawng nasa hle a ni.
Lum leh vawt tehna:
Temperature hian battery hnathawh that dan leh hnathawh rei zawng nasa takin a nghawng a ni. Lead acid battery chhiatnaah temperature-in nghawng a neih dan kan chhui dawn hian ambient temperature (a chhehvel boruak temperature) leh internal temperature (electrolyte temperature) inthlauhna hriatthiam a pawimawh hle. A chhehvel boruak emaw, room temperature emaw hian chhungril boruak a nghawng thei a, mahse, chutiang chuan a inthlak rang lo. Entirnan, nitin room temperature a danglam nasa thei a, mahse chhungril temperature erawh chuan danglamna tenau te chauh a hmu thei thung.
Battery siamtute chuan operating temperature tha ber, a tlangpuiin 25 °C vel a nih an rawt fo thin. Hriat tur chu figure hian a tlangpuiin internal temperature a kawk a ni. Temperature leh battery dam chhung inzawmna hi 'half-life' anga chhiar a ni fo thin: 25 °C tha ber aia 10 °C a san apiangin battery dam rei zawng chu a chanve velin a tlahniam thin. Temperature sang takah chuan risk lian ber chu dehydration a ni a, chutah chuan battery electrolyte chu a vawt chhuak thin. Flip side-ah chuan temperature lum zawk chuan battery dam chhung a ti rei thei a, mahse a energy hman nghal theihna erawh a ti tlem thei thung.
Overcharging a awm chuan:
Overcharging tih hian battery-a charge tam lutuk pek, chhiatna thlen thei thil tihna a ni. He thubuai hi mihring tihsual atanga lo chhuak a ni thei a, chu chu charger setting dik lo atanga lo chhuak emaw, charger tha lo atanga lo chhuak emaw a ni thei bawk. UPS system-ah chuan charging phase a zirin charging voltage a inthlak thin. A tlangpuiin battery hian a tir lamah voltage sang zawk (‘bulk charge’ tia hriat)-ah a charge ang a, chutah chuan voltage hniam zawk (‘float charge’ tia hriat)-ah a vawng reng ang. Charge tam lutuk hian battery dam chhung nasa takin a tihtlem thei a, a nasat chuan thermal runaway a thlen thei bawk. Monitoring system-te tan chuan overcharging a awm chuan user-te hriatchhuah leh hriattirna a pawimawh hle.
Undercharging a awm chuan:
Undercharging hi battery-in hun rei tak chhunga a mamawh aia voltage a dawn tlem a, a tul anga charge level a neih loh chuan a thleng thin. Battery undercharging reng chuan capacity a tlahniam a, battery dam rei zawk a ni. Overcharging leh undercharging pahnih hi battery chhiatna thlentu pawimawh tak a ni. Battery hriselna leh dam rei theihna turin voltage supply dik tak a awm theih nan uluk taka enkawl tur a ni.
Thermal atanga tlan chhuak:
Thermal runaway hian lead acid battery-a chhiatna nasa tak a entir a ni. Internal short emaw charging setting dik lo emaw avanga charging current a tam lutuk chuan heat hian resistance a tipung a, chu chuan heat a siam tam zawk a, spiraling up a ni. Battery chhunga lumna lo chhuak chuan a lum theihna a pelh hma chuan thermal runaway a awm a, chu chuan battery chu a vawt a, a kang emaw, a hmin emaw a ni.
Hei hi dona tur hian thermal runaway hi a bul tan tirh atanga hriatchhuah leh venna tur strategy engemaw zat a awm a ni. Thil hman lar tak pakhat chu temperature-compensated charging a ni. Temperature a san chuan charging voltage chu a tlahniam nghal vek a, a tawpah chuan a tul chuan charging a tawp ta a ni. Hetiang approach hi battery cell-a temperature sensor dah te, heat level enfiah nan a innghat a ni. UPS system leh external charger thenkhatah chuan he feature hi an pe a, a tam zawkah chuan temperature sensor pawimawh tak takte hi duhthlan theih a ni.
Tui tlakchhamna:
Vented leh VRLA battery pahnih hi tui hloh awlsam tak a ni. He dehydration hian capacity a tihtlem bakah battery life a ti tlem thei a, hei hian maintenance check reng reng a tulzia a tilang chiang hle. Vented battery hian tui a hloh chhunzawm zel a, chu chu evaporation hmangin a ni. Electrolyte level enfiah theihna tur leh a tul hunah awlsam taka tui refill theihna tur visible indicator hmanga siam an ni.
Valve-Regulated Lead-Acid (VRLA) battery-ah hian vented type nena khaikhin chuan electrolyte a tlem hle a, an casing pawh a langtlang lo hle a, hei vang hian internal inspection pawh a harsa hle. A tha ber chu VRLA battery-ah chuan evaporation atanga gas lo chhuak (hydrogen leh oxygen) te chu unit chhunga tuiah an inzawm leh tur a ni. Mahse, khaw lum lutuk emaw, pressure nasa lutuk emaw hnuaiah chuan VRLA-a safety valve chuan gas a paih chhuak thei a ni. A chhuah tam loh chu thil pangngai leh a tlangpuiin a hlauhawm lo a nih laiin, gas hnawhchhuah chhunzawm zel chu harsatna a awm thung. Gas hloh hian battery-a tui tlakchhamna (dehydration) a thlen thei a, hei hian VRLA battery-te hian a tlangpuiin traditional flooded battery (VLA) aiin a chanve vel an dam rei chhan a tizual a ni.
Contamination: 1.1.
Battery electrolyte chhunga bawlhhlawh awmte hian performance nasa takin a nghawng thei a ni. Check leh maintenance neih fo hi a pawimawh hle a, a bik takin battery hlui emaw, enkawl dik loh emaw tan chuan, contamination nena inzawm thil awm lo turin. Valve-Regulated Lead Acid (VRLA) battery-ah chuan electrolyte tihbawlhhlawh hi thil thleng ngai lo a ni a, a siamna lama chhiatna avanga lo awm fo a ni. Mahse, Vented Lead Acid (VLA) battery-ah hian contamination ngaihtuahna a tam zawk a, a bik takin electrolyte-a tui a hun hunah dah a nih chuan a tam zawk. Tui thianghlim, distilled water aiah tap tui ang chi hman hian bawlhhlawh a thlen thei a ni. Chutiang bawlhhlawh hian lead acid battery chhiatna nasa takin a thlen thei a, battery performance enfiah nan taima taka pumpelh tur a ni.
Catalysts te chu : 1.1.
VRLA battery-ah chuan catalyst hian hydrogen leh oxygen recombination nasa takin a tichak thei a, drying out-in a nghawng chu a ti tlem a, chu chuan a dam chhung a ti rei thei a ni. A then phei chuan catalyst hi lei hnuah accessory dang angin dah theih a ni a, battery hlui zawk pawh tihnun lehna kawngah pawh a pui thei bawk. Mahse, fimkhur taka kalpui a pawimawh a; field siam danglamna eng pawh hian mihring tihsual emaw, bawlhhlawh paih theihna emaw ang chi hlauhawmna a keng tel a ni. Chutiang tihdanglamna chu battery-a a luh loh nan factory training bik nei technician-te chauhin an ti tur a ni.
Tawpna
Lead-acid battery a chhiat hma lutuk hi hriatthiamna, enkawl leh enkawl dan dik tak hmangin a tam zawkah chuan tihziaawm theih a ni. Overcharging, undercharging, leh thermal runaway ang chi thil awm thei chhinchhiahnate hriatchhuah hian VRLA battery dam chhung hi nasa takin a ti sei thei a ni. Thu belhchian dawl zawk leh kaihhruaina zawngtute tan Dfun Tech hian lead-acid battery hriselna leh a thawh thatna vawnhimna tur ngaihtuahna leh solution kimchang tak a pe a ni. Battery performance tichhe thei physical leh chemical factors intricate balance hriatthiam hi heng critical power backup systems rinchhan tu tan chuan a pawimawh hle.
