Ma sekit buck na sekit nkwalite bụ sekit dị mkpa na imepụta ngwaike, ọkachasị maka ndị nwere ọgụgụ isiONUna ngwaọrụ OLT.VOICE na-arụ ọrụ naONUimewe na-eji mbuli sekit ozugbo mbo mbuli voltaji na-enye ike na mpụga ekwentị.Ụzọ kachasị mma isi ghọta sekit nkwalite bụ ịghọta nke ọma voltaji na ugbu a nke akụkụ ọ bụla nke sekit ahụ, izute ụfọdụ nsogbu nwere ike ịkọwapụta nsogbu ahụ n'ụzọ doro anya.Dịka ọmụmaatụ, gịnị na-eme mgbe inductance na-abawanye?Kedu ihe na-eme mgbe capacitance na-abawanye?Gịnị bụ mmetụta nke ugboro ọrụ?Ọzọ, ụlọ ọrụ anyị ga-akọwara gị.
Nke mbụ, ka anyị kwuo maka ụkpụrụ ọrụ kachasị mkpa nke sekit BOOST: Na foto dị n'okpuru ebe a, MOS transistor bụ mgbanwe.Ọ bụrụhaala na ọsọ bụ ngwa ngwa zuru oke (mgbanwe ugboro dị elu zuru oke), oge ịgbanyụ na oge (ịchaji na oge ịchaji) na-achịkwa nke ọma, yana jikọtara ya na capacitor nzacha mmepụta, enwere ike ịnweta Vo nke kwụsiri ike (olu). voltaji nke anyị nwere ọgụgụ isiONUbụ n'ozuzu 48V), nke bụ mmepụta voltaji.
Mgbe mgba ọkụ na-agbanye, onye inductor L na-agbada, a na-ebipụ diode, na Vi na-akwụ ụgwọ inductor L. Voltage dị na nsọtụ abụọ nke inductor bụ Vi (na-emekarị 12V maka).ONUịnye ọkụ).Mgbe mgba ọkụ na-aghọ onye na-abụghị conductive, n'ihi na inductor L e ugbua ebubo na e nwere ugbu a na-aga site na ya, ugbu a na nsọtụ abụọ nke inductor enweghị ike ịgbanwe na mberede.Ya mere, a ga-eme ka voltaji mee ka diode na omume ziri ezi.Mpụta voltaji Vo na-adịgide adịgide, na diode conduction voltaji dobe bụ Vd, ya mere voltaji na njedebe aka nri nke inductor bụ Vo + Vd, na voltaji na njedebe aka ekpe nke inductor bụ ntinye ike Vi.Nke a bụ sekit na-ebuli elu, yabụ Vo + Vd> Vi, a na-ahapụ inductance n'oge a, na-enye ike na ibu ahụ, na-ebufe capacitor nzacha mmepụta.
Mgbe mgba ọkụ na-aghọ onye na-abụghị conductive, n'ihi na inductor L e ugbua ebubo na e nwere ugbu a na-aga site na ya, ugbu a na nsọtụ abụọ nke inductor enweghị ike ịgbanwe na mberede.Ya mere, a ga-eme ka voltaji mee ka diode na omume ziri ezi.
Mpụta voltaji Vo na-adịgide adịgide, na diode conduction voltaji dobe bụ Vd, ya mere voltaji na njedebe aka nri nke inductor bụ Vo + Vd, na voltaji na njedebe aka ekpe nke inductor bụ ntinye ike Vi.Nke a bụ sekit na-ebuli elu, yabụ Vo + Vd> Vi, a na-ahapụ inductance n'oge a, na-enye ike na ibu ahụ, na-ebufe capacitor nzacha mmepụta.
Nke a dị n'elu bụ nchịkọta nkenke nke BOOST Circuit, nke nwere ike bụrụ ntụaka maka onye ọ bụla.Ụlọ ọrụ anyị nwere otu ọrụ teknụzụ siri ike ma nwee ike ịnye ọrụ ọrụ nka ọkachamara maka ndị ahịa.Ka ọ dị ugbu a, ụlọ ọrụ anyị nwere ngwaahịa dị iche iche: nwere ọgụgụ isionu, nkwurịta okwu ngwa anya modul, ngwa anya eriri modul, sfp ngwa anya modul, olt akụrụngwa, Ethernet mgba ọkụ na ndị ọzọ na netwọk akụrụngwa.Ọ bụrụ na ịchọrọ, ị nwere ike inwe nghọta miri emi.