Ithetha ukuthini i-ah kwibhetri? I-Ah imele i-Amp-hour okanye i-Ampere-hour, kwaye yiyunithi elinganisa umthamo webhetri. Cinga ngayo njengobungakanani betanki yepetroli yebhetri. Umlinganiselo ophezulu we-Ah uthetha ukuba ibhetri inokugcina amandla angakumbi kwaye inike amandla izixhobo zakho ixesha elide ngaphambi kokuba ifune ukutshajwa kwakhona.
Ukuqonda i-Ampere-hour (Ah)
I-Ampere-hour imele ubungakanani betshaja enokuziswa yibhetri ngokuhamba kwexesha. I-Ah enye ithetha ukuba ibhetri inokubonelela nge-ampere enye yamandla ombane rhoqo kangangeyure enye. Umzekelo, i-aIbhetri ye-100Ah LiFePO4, njengabo sigxile kuboAMANDLA OLUTSHA, ngokwethiyori ingakhupha ii-amps ezi-5 iiyure ezingama-20, ii-amps ezili-10 iiyure ezili-10, njalo njalo.
Kutheni i-Ampere-hour Rating ibalulekile?
Uvavanyo lwe-Ampere-hour yebhetri lubalulekile kuba lubonisa ngokuthe ngqo ubomi bebhetri kunye nexesha lokusebenza. Nokuba useta ibhetriinkqubo yokugcina amandla elanga, ibhanki yamandla yeRV, okanye iyunithi yamandla exhasayo, ukwazi i-Ah kukunceda ukuba ubone ukuba ibhetri iyahlangabezana neemfuno zakho zamandla. Ibhetri ephezulu ye-Ah ngokubanzi iya kubonelela ngamandla exhasayo amade.
Ah kwiMeko yoGcino lweeBhetri zeSolar
Ngokubaiinkqubo zebhetri yelanga, umlinganiselo we-Ah yinto ebalulekileyo kubungakanani benkqubo. Ikunceda ukubala ukuba ingakanani amandla elanga onokuwagcina ukuze uwasebenzise ebusuku okanye ngeentsuku ezinamafu. Xa udibanisa ne-voltage yebhetri (V), ungawubona umthamo wamandla ewonke kwiiyure ze-watt (Wh) usebenzisa le fomyula:I-Voltage (V) x Ii-Ampere-hours (Ah) = Ii-Watt-hours (Wh)Oku kunika umfanekiso opheleleyo ngakumbi wendlela ibhetri enokuba namandla ngayo.
Ukukhetha Umthamo Webhetri Ofanelekileyo
Xa ukhetha ibhetri yelanga ye-lithium, ingakumbi ibhetri yelangaIndawo yokugcina ibhetri yeLiFePO4eyaziwa ngobomi bayo obude bomjikelo webhetri kunye nokuzinza, umlinganiselo we-Ah kufuneka uhambelane nokusetyenziswa kwamandla kwakho kwemihla ngemihla. Ukuze ufumane ukusebenza kwebhetri yomjikelo onzulu okuthembekileyo nokuhlala ixesha elide kwizicelo zamandla avuselelekayo, cinga ngeendlela ezikumgangatho ophezulu. AphaAMANDLA OLUTSHA, umenzi ophambili weebhetri zelanga, sinikezela ngeebhetri zelanga zeLiFePO4 ezinomthamo ophezulu ezenzelwe ukubonelela ngentsebenzo entle yebhetri kunye nokuthembeka kwiimfuno zakho zokugcina amandla.
Imibuzo Ebuzwa Rhoqo Malunga neBhetri Ah
Umbuzo 1. Yintoni umahluko phakathi kuka-Ah no-Wh?
A1: I-Ah (iyure ye-Ampere) ilinganisa itshaja yombane enokubanjwa yibhetri, njengomthamo wetanki yepetroli. I-Wh (iyure ye-Watt) ilinganisa amandla ewonke ibhetri enokuwazisa, ibalwe ngolu hloboI-Voltage (V) x Ah. I-Wh idla ngokuba yindlela echanekileyo yokulinganisa amandla ewonke kuba ichaza i-voltage.
Umbuzo 2. Ngaba ireyithingi ephezulu ye-Ah ithetha ukuba ibhetri ingcono?
A2:I-Ah ephezulu ithetha umthamo ophezulu kunye nexesha elide lokusebenza, nto leyo engcono ukuba ufuna amandla angakumbi. Nangona kunjalo, "ngcono" ikwaxhomekeke kwezinye izinto ezifana nekhemistri yebhetri (umz., iLiFePO4), ubomi bomjikelo, ubunzima, kunye nokuba i-voltage yebhetri kunye nobukhulu bayo buhambelana kakuhle kangakanani nesicelo sakho esithile.
Umbuzo 3. Zingaphi iiAh endizifunayo kwinkqubo yam yamandla elanga?
A3: Bala umbane owusebenzisayo yonke imihla ngee-Watt-hours (Wh). Emva koko, sebenzisa ifomula ethi Ah = Wh / System Voltage ukuze ufumane umlinganiselo omncinci we-Ah. Umzekelo, ukuba ufuna i-5000Wh kwiInkqubo yelanga ye-48V, udinga indawo yokugcina ibhetri enobuncinci i-5000Wh / 48V ≈ 104Ah. Soloko ukongeza i-buffer engama-20-30% ukuze usebenze kakuhle kwaye ukhule kwixesha elizayo.
Umbuzo 4. Kwenzeka ntoni kwireyithingi ye-Ah xa ndiqhagamshela iibhetri ngaxeshanye?
A4:Xa uqhagamshela iibhetri ezimbini ze-voltage efanayo ngaxeshanye, umlinganiselo we-Ah uyenyuka, ngelixa i-voltage ihlala ifana. Umzekelo, ukudibanisa iibhetri ezimbini ze-12V 100Ah ngaxeshanye kukunika ibhetri ye-12V 200Ah, nto leyo ephindaphinda amandla akho kunye nexesha lakho lokusebenza.