Kuchengetedzwa kwesimba mumacapacitors: kuongororwa kwemutakuri uye kushandiswa kwemagetsi emunda simba
Sechinhu chakakosha chekuchengetedza simba mumaseketi emagetsi, ma capacitor anochengeta simba muchimiro chemagetsi emumunda simba. Apo mahwendefa maviri e-capacitor akabatanidzwa kune simba remagetsi, mhosva dzakanaka uye dzisina kunaka dzinoungana pamahwendefa maviri pasi pechiito chesimba remagetsi emagetsi, zvichiita mutsauko unogona kuita uye kugadzirisa nzvimbo yemagetsi yakagadzikana mu dielectric pakati pemahwendefa. Iyi nzira inotevera mutemo wekuchengetedza simba. Kuunganidzwa kwemutero kunoda basa rekukunda simba remagetsi, uye pakupedzisira rinochengeta simba nenzira yemunda wemagetsi. Simba rekuchengetedza simba re capacitor rinogona kuverengerwa neformula E = 21 CV2, uko C ndiyo capacitance uye V ndiyo voltage pakati pemahwendefa.
Dynamic maitiro emagetsi emumunda simba
Kusiyana nemabhatiri echinyakare anovimba nesimba remakemikari, kuchengetedza kwesimba kwema capacitors kunoenderana zvachose nekuita kwemagetsi emagetsi minda. Somuenzaniso, electrolyticcapacitorschengetedza simba kuburikidza nepolarization effect ye oxide film pakati pemahwendefa ne electrolyte, iyo inokodzera mamiriro ezvinhu anoda kukurumidza kuchaja uye kubudisa, zvakadai sekusefa kwemagetsi. Supercapacitors (senge kaviri-layer capacitors) inoumba kaviri-layer dhizaini kuburikidza neinterface pakati peiyo activated kabhoni electrode uye electrolyte, zvakanyanya kuvandudza simba rekuchengetedza density. Nheyo dzayo dzakakamurwa kuita mapoka maviri:
Kaviri-layer simba rekuchengetedza: Mhosva dzinoshambadzirwa pamusoro pemagetsi emagetsi nemagetsi akamira, pasina maitiro emakemikari, uye ane kukurumidza-kuchaja nekumhanyisa kumhanya.
Faraday pseudocapacitor: Inoshandisa kukurumidza redox kuita kwezvinhu zvakaita seruthenium oxide kuchengetedza machaji, ane ese ari maviri epamusoro simba density uye yakakwirira simba density.
Kusiyana kwesimba rekusunungurwa uye kushandiswa
Kana iyo capacitor inoburitsa simba, munda wemagetsi unogona kukurumidza kushandurwa kuita simba remagetsi kutsigira yakakwirira-frequency mhinduro zvinodiwa. Semuyenzaniso, mune solar inverters, capacitors anoderedza kushanduka kwemagetsi uye anonatsiridza simba rekushandura simba kuburikidza nekusefa uye decoupling mabasa; mumagetsi masisitimu,capacitorsoptimize grid kugadzikana nekubhadhara reactive simba. MaSupercapacitors anoshandiswa pakare kuzadza simba uye grid frequency modulation yemotokari dzemagetsi nekuda kwekugona kwavo millisecond mhinduro.
Ramangwana Outlook
Nekubudirira mune zvesainzi yemidziyo (senge graphene electrodes), kuwanda kwesimba kwema capacitor kuri kuramba kuchiwedzera, uye mamiriro ekushandisa kwavo ari kuwedzera kubva kumidziyo yemagetsi yechinyakare kuenda kuminda yekucheka senge simba idzva rekuchengetedza uye smart grids. Kushandiswa kwakanaka kwesimba remagetsi hakuna kungosimudzira kufambira mberi kwetekinoroji, asi zvakare kuve chikamu chakakosha cheshanduko yesimba.
Nguva yekutumira: Mar-13-2025