Ma capacitor ane zvinhu zvakawanda zvakanaka. Anochengetedza simba sechaji yemagetsi kwete sesimba remakemikari, chimwe chezvinhu zvikuru. Izvi zvinowanzo bvumira nguva dzekuchaja nekukurumidza uye ma currents emhepo akakwira kwazvo. Anogona kurarama mazana ezviuru zvema charge-discharge cycles, pane mazana ema cycles emabhatiri akazara. Saka dambudziko nderei?
Bhatiri rinopa simba risingaperi kwenguva refu. Zvichienderana nemudziyo, unogona kunge uine matambudziko ekushanda ari pedyo nekupera simba. Semuenzaniso, mafoni efoni anopinda mumodhi yekuchengetedza simba. Izvi hazvisi zvekungoachengetedza kwenguva yakareba, asi kudzivirira kudzima ipapo ipapo pasina yambiro.
Sezvamunoona, voltage inodzikira kana bhatiri rava kuda kupera simba. Mufoni yenyu, mune circuit yekushandura simba, chikamu chekutonga kwesimba rose, inoshanda kushandura simba rebhatiri risingachinji kuita simba resystem rinodzorwa zvakanyanya (zvichida mavoltage akasiyana-siyana). Cherechedzai pane hukama hwakakosha pano: simba=voltage∗yazvino. Saka kuti simba rirambe rakafanana, sezvo voltage ichidzikira, circuit yangu inofanira kudhonza magetsi akawanda.
Bhatiri rega rega rine simba rekudzivirira mukati, uye nekuda kwehumwe hukama, hunonzi Ohm's Law, unoziva kuti pachava nemagetsi anodonhedzwa mubhatiri. Mudhirowa, Vout=V0−r∗I, uko ini ndiri magetsi. Saka, sezvo V0 yangu ichidonha uye dunhu rangu rekutonga simba richida kudhonza magetsi akawanda kuti ripe simba rimwe chete, magetsi anobuda mubhatiri anodonha nekukurumidza. Izvi zvinoderedza simba guru rebhatiri, uye zvinorevawo kuti rinodonha nekukurumidza kana rava pedyo nekuneta.
Asi voltage inobuda, peak current, uye simba rese mu capacitor zvinodzikira zvakanyanya nekufamba kwenguva. Capacitor ine mukana mumwe chete: inochengetedza chaji yemagetsi, pane kushandura chaji yemagetsi kuita chaji yemakemikari semubhatiri, saka kunyangwe paine resistance yemukati, idiki uye inogona kuregeredzwa. Capacitors inogona kupa ma currents akakwira kwazvo kwenguva pfupi.
Asi pakushandisa simba rechinhu, zvinonetsa. Yeuka chishuwo changu chekuchengetedza simba risingaperi richipinda musystem yangu yekutonga simba, uye simba iroro = current/voltage. Sezvo voltage yedu ichidzikira nekukurumidza, tinofanira kuigadzirisa nemagetsi anokwira nekukurumidza kuti tipe simba rimwe chete. Ma currents akakwira kwazvo anoita kuti circuit inodhura zvakanyanya, zvikamu zvekushandura simba zvakakura, kurasikirwa nesimba kwakawanda mumabhodhi emagetsi, nezvimwewo… dambudziko rimwe chete iro bhatiri rinenge rava pedyo nekuguma, asi izvi zviri kutanga kuitika pakutanga kwenguva yekuchengetedza simba re capacitor. Uye sezvo capacitor ichidzikira, peak current, ichiri yakakwira, inodzikirawo.
Dambudziko rimwe nderekuti ma ultracapacitors emazuva ano ane simba rakaderera pane mabhatiri. Ma ultracaps akanakisa ari pamusika anobata 8-10 Wh/kg, mazhinji acho akafanana ne5 Wh/kg. Mabhatiri akanakisa eLi-ion anopa 200 Wh/kg, ma formulations mazhinji anogona kusvika pamusoro pe100 Wh/kg. Saka unoda huremu hwakapetwa ka20 kuti ushandise ma ultracaps. Asi pamwe zvakanyanya, sezvo pane imwe nguva panguva yekuburitsa, zvichienderana nekushandiswa, voltage ichadzikira zvakanyanya kuti isashande, zvichisiya simba risingashandiswe. Zvakare, kusiyana nema capacitors echinyakare, ma ultracapacitors anewo resistance yemukati yakakwira. Saka haafanire kutsigira kutengesa kwakawanda kwevoltage yemagetsi.
Zvadaro pane kuzviburitsa: simba rinobuda nekukurumidza sei kubva mumudziyo wekuchengetera. Masero eNiMh chete akasimba, asi kuzviburitsa ega kunokwira kusvika 20–30% pamwedzi. Masero eLi-ion anoderedza izvi kusvika pa <2% pamwedzi zvichienderana netekinoroji chaiyo yeLi-ion, pamwe 3% mune mamwe masisitimu zvichienderana nepamusoro pekutarisa mabhatiri. MaUltracapacitors emazuva ano anodzikira kusvika 50% yekuchaja mumwedzi wekutanga. Izvozvo zvingasava nebasa mumudziyo unochajwa zuva nezuva, asi zvinoganhurira zvachose mashandisirwo emacaps vs mabhatiri, zvirinani kusvika magadzirirwo ari nani agadzirwa.
Uye nekuti unoda akawanda, mutengo wemazuva ano we ultracapacitors unogona kuva 6x-20x mutengo wemabhatiri. Kana application yako ichida simba shoma, kunyanya nemagetsi madiki akakwira, ultracap inogona kuva sarudzo. Zvikasadaro, haisi kuzotsiva bhatiri munguva pfupi iri kutevera.
Kune mashandisirwo emagetsi akakwira semota dzemagetsi, hazvisati zvanyatsobatsira, senzira yakazvimirira. Kunyangwe masisitimu anoshandisa ma ultracaps nemabhatiri anogona kukwezva, sezvo misiyano yawo ichienderana zvikuru, kutamiswa kwemagetsi kwakakwira uye hupenyu hurefu hwechivharo zvichienzaniswa nehuwandu hwesimba/simba rebhatiri. Uye kune basa rakawanda riri kuitwa kuti pave nema ultracapacitors ari nani, pamwe nemabhatiri ari nani. Saka pamwe rimwe zuva ultracap inotora mamwe mabasa ebhatiri akajairika.
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Nguva yekutumira: Ndira-06-2026