Okwu Mmalite nkeInverter
Inverter bụ ngwaọrụ eletrọniki nke na-agbanwe ọkụ eletrik ka ọ bụrụ ọkụ eletrik kpọmkwem, nke a na-ejikarị enye ike na ibu. Inverter bụ ngwaọrụ nke na-agbanwe isi iyi voltaji DC ka ọ bụrụ isi iyi voltaji AC. Enwere ike iji ya na sistemụ kọmputa microkọmputa ma ọ bụ otu chip yana ngwaọrụ nhazi mgbaàmà.
Ndị na-agbanwe iheenwere ike kewaa inverters otu-phase, phase atọ na full-bridge dịka ọkwa ike si dị. Inverters otu-phase na phase atọ mejupụtara transformers, filters na LC filters, output waveform bụkwa sine wave; full-bridge inverters mejupụtara rectifier filter circuit, Schottky diode (PWM) circuit na draịva circuit, output waveform bụkwa square wave.
Ndị na-agbanwe iheEnwere ike kewaa ya n'ụdị atọ: ụdị on-off edobere, ụdị njikwa mpaghara dead-zone (ụzọ sine wave) na ụdị njikwa switch (ụzọ ebili mmiri square). Site na mmepe nke teknụzụ eletrọniki ike, a na-ejikarị inverters eme ihe n'ọtụtụ ebe.
Echiche ndị bụ isi
Inverter bụ ngwaọrụ eletrọniki ike nke na-agbanwe ọkụ eletrik kpọmkwem ka ọ bụrụ ọkụ eletrik na-agbanwe agbanwe. Inverter ahụ nwere sekit nzacha rectifier, sekit Schottky diode (SOK) na sekit draịva.
Enwere ike kewaa inverter ahụ n'ime inverter na-arụ ọrụ na passive inverter, passive inverter, nke a makwaara dị ka inverter circuit ma ọ bụ voltaji regulator circuit, nke a na-ejikarị eme ihe site na ntinye, etiti ọkwa (LC), ọkwa mmepụta (rectifier), wdg, na inverter na-arụ ọrụ bụ mgbanwe mgbaàmà voltaji ntinye iji nweta voltaji DC kwụsiri ike.
Inverter na-arụ ọrụ nke na-anaghị arụ ọrụ na-enwekarị capacitor nkwụghachi ụgwọ n'ime akwa rectifier, ebe inverter na-arụ ọrụ nwere inductor nzacha n'ime akwa rectifier.
Sekit inverter nwere uru dịka obere nha, ibu dị mfe, arụmọrụ dị elu na ihe ndị ọzọ. Ọ bụ akụkụ dị mkpa nke ụdị ngwa eletrọniki niile.
Nhazi ọkwa
Dịka topology nke inverter si dị, enwere ike kewaa ya n'ime: inverter zuru oke, inverter push-dụọ.
Enwere ike kewaa ya n'ime inverter PWM (mgbịrịgba pulse modulation), inverter SPWM (quadrature signal modulation) na inverter SVPWM (space voltage vector modulation).
Dịka nhazi sekit ịkwọ ụgbọala si dị, enwere ike kewaa ya n'ime: ọkara-akwa, ụdị push-dree.
Dịka ụdị ibu si dị, enwere ike kewaa ya n'ime ọkọnọ ike inverter nke otu-phase, ọkọnọ ike inverter nke atọ, ihe ntụgharị DC, ọkọnọ ike inverter nzacha na-arụ ọrụ, wdg.
Dịka ọnọdụ njikwa si dị, enwere ike kewaa ya n'ime: ọnọdụ ugbu a na ọnọdụ voltaji.
Ubi Ngwa
A na-ejikarị Inverters eme ihe n'ọrụ akpaaka ụlọ ọrụ, ngwa agha, ụgbọelu na mpaghara ndị ọzọ. Dịka ọmụmaatụ, na akpaaka ụlọ ọrụ mmepụta ihe, ngwaọrụ nkwụghachi ike mmeghachi omume nke a na-ejikarị na sistemụ ike nwere ike ịgbanwe ọkọnọ ike dị elu, melite arụmọrụ mmepụta, chekwaa ike eletrik ma nye ọkọnọ ike kwụsiri ike maka mmepụta ụlọ ọrụ mmepụta ihe; na nkwukọrịta, enwere ike iji ngwaọrụ nkwụghachi ike mmeghachi omume gbanwee voltaji nke sistemụ obere voltaji iji mee ka ha kwụsie ike n'ime oke ezi uche dị na ya ma mepụta nkwukọrịta dị anya; na njem, enwere ike iji ha na sistemụ mmalite injin ụgbọala na sistemụ chaja batrị ụgbọala; na ngwa agha, enwere ike iji ha na sistemụ njikwa ike na sistemụ njikwa akpaka nke ngwa agha; na ikuku, enwere ike iji ha na ọkọnọ ike mmalite injin ụgbọelu na ọkọnọ ike chaja batrị.
Oge ozi: Maachị-06-2023