Usho ukuthini u-Ah ngebhethri

Isingeniso

Usho Ukuthini U-Ah Ebhethri? Amabhethri adlala indima ebalulekile empilweni yesimanje, anika amandla yonke into kusukela kuma-smartphones kuya ezimotweni, kusukela kumasistimu e-UPS yasekhaya kuya kuma-drones. Nokho, kubantu abaningi, amamethrikhi okusebenza kwebhethri asengaba yimfihlakalo. Enye yamamethrikhi ajwayeleke kakhulu i-Ampere-hour (Ah), kodwa imele ini ngempela? Kungani ibaluleke kangaka? Kulesi sihloko, sizocubungula incazelo yebhethri u-Ah nokuthi ibalwa kanjani, kuyilapho sichaza izici ezibalulekile ezithinta ukwethembeka kwalezi zibalo. Ukwengeza, sizohlola ukuthi singaqhathanisa kanjani izinhlobo ezahlukene zamabhethri ngokusekelwe ku-Ah futhi sinikeze abafundi isiphetho esibanzi ukuze sibasize baqonde kangcono futhi bakhethe amabhethri afanele izidingo zabo.

Usho ukuthini u-Ah ngebhethri

12V 100Ah LiFePO4 Ibhethri Pack

I-Ampere-hour (Ah) iyunithi yomthamo webhethri esetshenziselwa ukukala ikhono lebhethri ukuze linikeze amandla ngesikhathi esithile. Lisitshela ukuthi ibhethri lingalethela ibhethri elingakanani ngesikhathi esithile.

Ake sifanekise ngesimo esicacile: zicabange uhamba ngezinyawo futhi udinga ibhange lamandla eliphathekayo ukuze ugcine ifoni yakho ishajiwe. Lapha, uzodinga ukucabangela umthamo webhange lamandla. Uma ibhange lakho lamandla linomthamo ongu-10Ah, kusho ukuthi lingahlinzeka ngama-ampere angu-10 ngehora elilodwa. Uma ibhethri yefoni yakho inomthamo wamahora angu-3000 milliampere-amahora (mAh), ibhange lakho lamandla lingashaja ifoni yakho cishe amahora angu-300 milliampere (mAh) ngoba amahora angu-1000 milliampere-amahora (mAh) alingana nehora elingu-1 ampere (Ah).

Esinye isibonelo ibhethri lemoto. Ake sithi ibhethri lemoto yakho linomthamo ongu-50Ah. Lokhu kusho ukuthi ingahlinzeka ngama-ampere angama-50 ngehora elilodwa. Ukuze uqalise imoto okuvamile, kungase kudinge cishe ama-ampere angu-1 ukuya kwangu-2 wamanje. Ngakho-ke, ibhethri lemoto engu-50Ah lanele ukuqala imoto izikhathi eziningi ngaphandle kokuqeda amandla ebhethri.

Ezinhlelweni zasendlini ze-UPS (Uninterruptible Power Supply), ihora le-Ampere liphinde libe yinkomba ebalulekile. Uma unesistimu ye-UPS enamandla angu-1500VA (Watts) futhi i-voltage yebhethri ingu-12V, khona-ke umthamo webhethri layo ngu-1500VA ÷ 12V = 125Ah. Lokhu kusho ukuthi uhlelo lwe-UPS ngokwethiyori lungahlinzeka ngama-ampere angu-125, lunikeze amandla ayisipele ezinsizeni zasendlini cishe amahora angu-2 kuya kwangu-3.

Lapho uthenga amabhethri, ukuqonda ihora le-Ampere kubalulekile. Ingakusiza ukuthi unqume ukuthi ibhethri lingasebenza isikhathi esingakanani kumadivayisi akho, ngaleyo ndlela ihlangabezane nezidingo zakho. Ngakho-ke, lapho uthenga amabhethri, naka ngokukhethekile ipharamitha yehora le-Ampere ukuze uqinisekise ukuthi ibhethri elikhethiwe lingahlangabezana nezidingo zakho zokusebenzisa.

Ungabala kanjani i-Ah yebhethri

Lezi zibalo zingamelwa ifomula elandelayo: Ah = Wh / V

Lapho,

• Ah ihora le-Ampere (Ah)
• I-Wh is Watt-hour (Wh), emele amandla ebhethri
• I-V iyi-Voltage (V), emele amandla kagesi ebhethri

1. I-Smartphone:
   • Amandla Ebhethri (Wh): 15 Wh
   • Amandla Amandla Ebhethri (V): 3.7 V
   • Isibalo: 15 Wh ÷ 3.7 V = 4.05 Ah
   • Incazelo: Lokhu kusho ukuthi ibhethri ye-smartphone ingahlinzeka ngama-ampere angu-4.05 ngehora elilodwa, noma ama-ampere angu-2.02 amahora amabili, njalonjalo.
2. Ikhompyutha ephathekayo:
   • Amandla Ebhethri (Wh): 60 Wh
   • Amandla Amandla Ebhethri (V): 12 V
   • Isibalo: 60 Wh ÷ 12 V = 5 Ah
   • Incazelo: Lokhu kusho ukuthi ibhethri ye-laptop ingahlinzeka ngama-ampere angu-5 ngehora elilodwa, noma ama-ampere angu-2.5 amahora amabili, njalonjalo.
3. Imoto:
   • Amandla Ebhethri (Wh): 600 Wh
   • Amandla Amandla Ebhethri (V): 12 V
   • Ukubala: 600 Wh ÷ 12 V = 50 Ah
   • Incazelo: Lokhu kusho ukuthi ibhethri yemoto ingahlinzeka ngama-ampere angu-50 ngehora elilodwa, noma ama-ampere angu-25 amahora amabili, njalonjalo.
4. Ibhayisikili likagesi:
   • Amandla Ebhethri (Wh): 360 Wh
   • Amandla Amandla Ebhethri (V): 36 V
   • Isibalo: 360 Wh ÷ 36 V = 10 Ah
   • Incazelo: Lokhu kusho ukuthi ibhethri yebhayisikili kagesi ingahlinzeka ngama-ampere angu-10 ngehora elilodwa, noma ama-ampere angu-5 amahora amabili, njalonjalo.
5. Isithuthuthu:
   • Amandla Ebhethri (Wh): 720 Wh
   • Amandla Amandla Ebhethri (V): 12 V
   • Isibalo: 720 Wh ÷ 12 V = 60 Ah
   • Incazelo: Lokhu kusho ukuthi ibhethri yesithuthuthu ingahlinzeka ngama-ampere angu-60 ngehora elilodwa, noma ama-ampere angu-30 amahora amabili, njalonjalo.
6. I-Drone:
   • Amandla Ebhethri (Wh): 90 Wh
   • Amandla Amandla Ebhethri (V): 14.8 V
   • Isibalo: 90 Wh ÷ 14.8 V = 6.08 Ah
   • Incazelo: Lokhu kusho ukuthi ibhethri ye-drone ingahlinzeka ngama-ampere angu-6.08 ngehora elilodwa, noma ama-ampere angu-3.04 amahora amabili, njalonjalo.
7. I-Handheld Vacuum Cleaner:
   • Amandla Ebhethri (Wh): 50 Wh
   • Amandla Amandla Ebhethri (V): 22.2 V
   • Isibalo: 50 Wh ÷ 22.2 V = 2.25 Ah
   • Incazelo: Lokhu kusho ukuthi ibhethri levacuum cleaner eliphethwe ngesandla linganikeza amandla amanje angu-2.25 ampere ihora elilodwa, noma ama-ampere angu-1.13 amahora amabili, njalo njalo.
8. Isipikha Esingenantambo:
   • Amandla Ebhethri (Wh): 20 Wh
   • Amandla Amandla Ebhethri (V): 3.7 V
   • Isibalo: 20 Wh ÷ 3.7 V = 5.41 Ah
   • Incazelo: Lokhu kusho ukuthi ibhethri yesipika esingenantambo ingahlinzeka ngama-ampere angu-5.41 ngehora elilodwa, noma ama-ampere angu-2.71 amahora amabili, njalo njalo.
9. Ikhonsoli Yegeyimu Ephathwayo:
   • Amandla Ebhethri (Wh): 30 Wh
   • Amandla Amandla Ebhethri (V): 7.4 V
   • Isibalo: 30 Wh ÷ 7.4 V = 4.05 Ah
   • Incazelo: Lokhu kusho ukuthi ibhethri lekhonsoli yegeyimu ephathwa ngesandla ingahlinzeka ngama-ampere angu-4.05 ngehora elilodwa, noma ama-ampere angu-2.03 amahora amabili, njalo njalo.
10. Isikuta sikagesi:
    • Amandla Ebhethri (Wh): 400 Wh
    • Amandla Amandla Ebhethri (V): 48 V
    • Isibalo: 400 Wh ÷ 48 V = 8.33 Ah
    • Incazelo: Lokhu kusho ukuthi ibhethri le-scooter likagesi lingahlinzeka ngama-ampere angu-8.33 ihora elilodwa, noma ama-ampere angu-4.16 amahora amabili, njalo njalo.

Izinto Ezibalulekile Ezithinta Ukwethembeka Kwesibalo Sebhethri Ah

Kufanele uqaphele ukuthi ukubala kwebhethri "Ah" akuhlali kunembile futhi kuthembekile. Kunezici ezithile ezithinta umthamo wangempela nokusebenza kwamabhethri.

Izinto ezimbalwa ezibalulekile zithinta ukunemba kwesibalo se-Ampere-hora (Ah), nazi ezimbalwa zazo, kanye nezibonelo ezithile zokubala:

1. Izinga lokushisa: Izinga lokushisa lithinta kakhulu umthamo webhethri. Ngokuvamile, njengoba izinga lokushisa likhuphuka, amandla ebhethri ayanda, futhi njengoba izinga lokushisa lincipha, umthamo uyancipha. Isibonelo, ibhethri le-asidi yomthofu elinamandla okuzisholo angu-100Ah at 25 degrees Celsius lingase libe namandla angempela aphezulu kancane.

ngaphezu kuka-100Ah; Nokho, uma izinga lokushisa lehla liye ku-0 degrees Celsius, umthamo wangempela ungase wehle ube ngu-90Ah.

1. Izinga lokushaja nokukhipha: Izinga lokushajwa nokuphuma kwebhethri nalo lithinta umthamo walo wangempela. Ngokuvamile, amabhethri ashajwe noma alahlwa ngamanani aphezulu azoba namandla aphansi. Isibonelo, ibhethri ye-lithium enamandla okuzisholo angu-50Ah ekhishwa ku-1C (umthamo wegama ophindwe ngesilinganiso) ingaba nomthamo wangempela ongu-90% kuphela womthamo omncane; kodwa uma ishajwa noma ikhishwa ngenani elingu-0.5C, umthamo wangempela ungase usondele kumthamo wegama.
2. Impilo yebhethri: Njengoba amabhethri ekhula, amandla awo angase ehle kancane kancane. Isibonelo, ibhethri elisha le-lithium lingase ligcine ngaphezu kuka-90% womthamo walo wokuqala ngemva kwemijikelezo yokushaja nokukhipha, kodwa ngokuhamba kwesikhathi kanye nemijikelezo ekhulayo yokushaja nokukhipha, umthamo wayo ungase wehle ufike ku-80% noma ube ngaphansi ngisho nangaphansi.
3. Ukwehla kwamandla kagesi kanye nokumelana kwangaphakathi: Ukwehla kwe-voltage nokumelana kwangaphakathi kuthinta umthamo webhethri. Ukwenyuka kokungazweli kwangaphakathi noma ukwehla kwamandla kagesi ngokweqile kunganciphisa umthamo wangempela webhethri. Isibonelo, ibhethri le-asidi yomthofu elinamandla okuzisholo angu-200Ah lingase libe nomthamo wangempela ongu-80% kuphela womthamo omncane uma ngabe ukumelana kwangaphakathi kwenyuka noma ukwehla kwamandla kagesi kungaphezu kwamandla.

Ake sithi kukhona ibhethri le-asidi eholayo elinamandla okuzisholo angu-100Ah, izinga lokushisa elizungezile elingu-25 degrees Celsius, izinga lokushaja nokukhipha elingu-0.5C, kanye nokumelana kwangaphakathi okungu-0.1 ohm.

1. Icabangela umphumela wokushisa: Ezingeni lokushisa le-ambient elingu-25 degrees Celsius, umthamo wangempela ungaba phezulu kancane kunomthamo wegama, ake sicabangele u-105Ah.
2. Kucatshangelwa umthelela wenkokhelo kanye nesilinganiso sokukhishwa: Ukushaja noma ukushaja ngesilinganiso esingu-0.5C kungase kubangele ukuthi umthamo wangempela usondele kumthamo omncane, ake sicabangele u-100Ah.
3. Icabangela umphumela wempilo yebhethri: Ake sithi ngemva kwesikhathi esithile sokusetshenziswa, umthamo webhethri wehla ube ngu-90Ah.
4. Uma kucatshangelwa ukwehla kwamandla kagesi kanye nomphumela wokumelana wangaphakathi: Uma ukumelana kwangaphakathi kwenyukela ku-0.2 ohms, umthamo wangempela ungase wehle ube ngu-80Ah.

Lezi zibalo zingavezwa ngefomula elandelayo:Ah = Wh / V

Lapho,

• Ah ihora le-Ampere (Ah)
• I-Wh is Watt-hour (Wh), emele amandla ebhethri
• I-V iyi-Voltage (V), emele amandla kagesi ebhethri

Ngokusekelwe kudatha enikeziwe, singasebenzisa le fomula ukubala umthamo wangempela:

1. Ngomphumela wezinga lokushisa, sidinga kuphela ukucabangela ukuthi umthamo wangempela ungaba phezulu kancane kunomthamo wezinga elingu-25 degrees Celsius, kodwa ngaphandle kwedatha ethile, asikwazi ukwenza isibalo esinembile.
2. Ngomphumela wesilinganiso sokushaja nokukhishwa, uma umthamo wegama kungu-100Ah futhi ihora le-watt lingu-100Wh, khona-ke: Ah = 100Wh / 100V = 1Ah
3. Ngomphumela wezempilo webhethri, uma umthamo wegama kungu-100Ah futhi ihora le-watt lingu-90Wh, khona-ke: Ah = 90 Wh / 100 V = 0.9 Ah
4. Ngokwehla kwamandla kagesi kanye nomphumela wokumelana wangaphakathi, uma umthamo wokuzisholo ungu-100Ah futhi ihora le-watt lingu-80Wh, khona-ke: Ah = 80 Wh / 100 V = 0.8 Ah

Kafushane, lezi zibonelo zokubala zisisiza siqonde ukubala kwehora le-Ampere kanye nomthelela wezinto ezihlukile kumthamo webhethri.

Ngakho-ke, lapho ubala u-“Ah” webhethri, kufanele ucabangele lezi zici futhi uzisebenzise njengezilinganiso kunamanani aqondile.

Ukuze Uqhathanise Amabhethri Ahlukene Ngokusekelwe kokuthi "Ah" Amaphuzu Abalulekile angu-6:

1. Uhlobo Lwebhethri: Okokuqala, izinhlobo zebhethri okufanele ziqhathaniswe zidinga ukufana. Isibonelo, awukwazi ukuqhathanisa ngokuqondile inani le-Ah lebhethri le-lead-acid nalelo lebhethri le-lithium ngenxa yokuthi linokwakheka kwamakhemikhali okuhlukile nezimiso zokusebenza.

1. Amandla kagesi: Qinisekisa ukuthi amabhethri aqhathaniswayo ane-voltage efanayo. Uma amabhethri enama-voltage ahlukene, khona-ke noma amanani awo e-Ah afanayo, angase anikeze amanani ahlukene wamandla.

1. Amandla Okuzisholo: Bheka umthamo webhethri wegama (ngokuvamile ku-Ah). Umthamo omncane ubonisa umthamo olinganiselwe webhethri ngaphansi kwezimo ezithile, ezinqunywa ukuhlolwa okujwayelekile.

1. Amandla Angempela: Cabangela umthamo wangempela ngoba umthamo wangempela webhethri ungase uthonywe izici ezihlukahlukene ezifana nezinga lokushisa, ukushajwa nezinga lokukhishwa, impilo yebhethri, njll.

1. Ukusebenza kahle kwezindleko: Ngaphandle kwevelu ye-Ah, futhi cabangela izindleko zebhethri. Kwesinye isikhathi, ibhethri elinevelu ye-Ah ephezulu lingase lingabi inketho engabizi kakhulu ngoba izindleko zalo zingase zibe phezulu, futhi amandla angempela alethiwe angase angalingani nezindleko.

1. Izidingo Zohlelo: Okubaluleke kakhulu, khetha amabhethri ngokuya ngezidingo zohlelo lwakho lokusebenza. Izinhlelo zokusebenza ezahlukene zingadinga izinhlobo ezahlukene namandla amabhethri. Isibonelo, ezinye izinhlelo zokusebenza zingadinga amabhethri amakhulu ukuze zinikeze amandla esikhathi eside, kuyilapho ezinye zingabeka kuqala amabhethri angasindi nahlangene.

Sengiphetha, ukuze uqhathanise amabhethri asuselwe kokuthi “Ah,” udinga ukucabangela lezi zici ezingenhla ngokucophelela futhi uzisebenzise ezidingweni zakho ezithile kanye nezimo.

Isiphetho

Inani le-Ah lebhethri liyinkomba ebalulekile yomthamo walo, elithinta isikhathi nokusebenza kwalo. Ngokuqonda incazelo yebhethri u-Ah nokucabangela izici ezithinta ukwethembeka kwesibalo salo, abantu bangahlola ngokunembe kakhulu ukusebenza kwebhethri. Ngaphezu kwalokho, uma uqhathanisa izinhlobo ezahlukene zamabhethri, kubalulekile ukucabangela izici ezifana nohlobo lwebhethri, i-voltage, umthamo wangempela, umthamo wangempela, ukuphumelela kwezindleko, kanye nezidingo zohlelo lokusebenza. Ngokuthola ukuqonda okujulile kwebhethri u-Ah, abantu bangenza ukukhetha okungcono kwamabhethri ahlangabezana nezidingo zabo, ngaleyo ndlela bathuthukise ukusebenza kahle kanye nokuba lula kokusetshenziswa kwebhethri.

Usho ukuthini u-Ah Emibuzweni Evame Ukubuzwa Ngebhethri (FAQ)

1. Yini ibhethri u-Ah?

• I-Ah imele ihora le-Ampere, okuyiyunithi yomthamo webhethri esetshenziselwa ukukala ikhono lebhethri lokuhlinzeka ngamanje phakathi nenkathi ethile yesikhathi. Kalula nje, kusitshela ukuthi ibhethri yamanje inganikeza isikhathi esingakanani.

2. Kungani ibhethri Ah ibalulekile?

• Inani le-Ah lebhethri lithinta ngokuqondile isikhathi sokusebenzisa nokusebenza kwayo. Ukuqonda inani le-Ah lebhethri kungasisiza ukuthi sinqume ukuthi ibhethri inganika amandla isikhathi esingakanani idivayisi, ngaleyo ndlela ihlangabezane nezidingo ezithile.

3. Ubala kanjani ibhethri u-Ah?

• Ibhethri Ah ingabalwa ngokuhlukanisa i-Watt-hour (Wh) yebhethri nge-voltage yayo (V), okungukuthi, Ah = Wh / V. Lokhu kunikeza inani lamanje ibhethri elinganikezela ngehora elilodwa.

4. Yiziphi izici ezithinta ukwethembeka kwesibalo sebhethri ye-Ah?

• Izinto ezimbalwa zithinta ukuthembeka kwesibalo sebhethri u-Ah, okuhlanganisa izinga lokushisa, amazinga okushaja nokukhipha, isimo sempilo yebhethri, ukwehla kwamandla kagesi, nokumelana kwangaphakathi. Lezi zici zingabangela umehluko phakathi kwamakhono angempela nawethiyori.

5. Uziqhathanisa kanjani izinhlobo ezahlukene zamabhethri ezisuselwe ku-Ah?

• Ukuze uqhathanise izinhlobo ezihlukene zamabhethri, udinga ukucabangela izici ezifana nohlobo lwebhethri, i-voltage, umthamo wangempela, umthamo wangempela, ukuphumelela kwezindleko, kanye nezidingo zohlelo lokusebenza. Kuphela ngemva kokucabangela lezi zici ungakwazi ukwenza ukukhetha okufanele.

6. Kufanele ngikhethe kanjani ibhethri elifanelana nezidingo zami?

• Ukukhetha ibhethri elifanelana nezidingo zakho kuncike esimweni sakho sokusebenzisa. Isibonelo, ezinye izinhlelo zokusebenza zingase zidinge amabhethri amakhulu ukuze zinikeze amandla ahlala isikhathi eside, kuyilapho ezinye zingabeka kuqala amabhethri angasindi nahlangene. Ngakho-ke, kubalulekile ukukhetha ibhethri ngokuya ngezidingo zohlelo lwakho lokusebenza.

7. Uyini umehluko phakathi komthamo wangempela namandla ebhethri?

• Umthamo omncane usho umthamo olinganiselwe webhethri ngaphansi kwezimo ezithile, ezinqunywa ukuhlola okujwayelekile. Umthamo wangempela, ngakolunye uhlangothi, ubhekisela enanini lamanje ibhethri elingahlinzeka ngokusetshenziswa komhlaba wangempela, okuthonywa izici ezihlukahlukene futhi kungase kube nokuchezuka kancane.

8. Izinga lokushaja nokukhipha liwuthinta kanjani umthamo webhethri?

• Uma izinga lokushaja nokushajwa liphezulu kwebhethri, amandla ayo angase abe phansi. Ngakho-ke, lapho ukhetha ibhethri, kubalulekile ukucabangela amanani angempela wokushaja nokukhipha ukuze uqinisekise ukuthi ahlangabezana nezidingo zakho.

9. Izinga lokushisa liwuthinta kanjani umthamo webhethri?

• Izinga lokushisa lithinta kakhulu umthamo webhethri. Ngokuvamile, njengoba izinga lokushisa likhuphuka, amandla ebhethri ayakhula, kuyilapho ehla njengoba izinga lokushisa lehla.

10. Ngingaqinisekisa kanjani ukuthi ibhethri lami liyahlangabezana nezidingo zami?

• Ukuqinisekisa ukuthi ibhethri lihlangabezana nezidingo zakho, udinga ukucabangela izici ezifana nohlobo lwebhethri, i-voltage, umthamo wangempela, umthamo wangempela, ukuphumelela kwezindleko, kanye nezidingo zohlelo lokusebenza. Ngokusekelwe kulezi zici, yenza ukukhetha okuhambisana nesimo sakho esithile.