Kev Taw Qhia ntawmInverter
Lub inverter yog ib lub cuab yeej hluav taws xob uas hloov cov hluav taws xob hloov pauv mus ua hluav taws xob ncaj qha, feem ntau yog siv los muab hluav taws xob rau lub load. Inverter yog ib lub cuab yeej uas hloov cov hluav taws xob DC mus ua hluav taws xob AC. Nws tuaj yeem siv rau hauv microcomputer lossis ib lub microcomputer system nrog rau cov khoom siv ua haujlwm teeb liab.
Cov Invertersraws li qib fais fab, nws muaj peev xwm muab faib ua ib theem, peb theem thiab puv choj inverters. Ib theem thiab peb theem inverters yog tsim los ntawm transformers, lim thiab LC lim, thiab cov zis waveform yog sine wave; full-bridge inverters yog tsim los ntawm rectifier lim circuit, Schottky diode (PWM) circuit thiab tsav circuit, thiab cov zis waveform yog square wave.
Cov Inverterstej zaum yuav muab faib ua peb hom: hom qhib-tawm ruaj khov, hom tswj thaj chaw tuag (txoj kev nthwv dej sine) thiab hom tswj hloov (txoj kev nthwv dej square). Nrog rau kev txhim kho ntawm cov thev naus laus zis hluav taws xob, cov inverters tau siv dav hauv ntau qhov chaw.
Cov ntsiab lus tseem ceeb
Lub inverter yog ib lub cuab yeej hluav taws xob uas hloov cov hluav taws xob ncaj qha mus rau hauv cov hluav taws xob hloov pauv. Lub inverter muaj lub voj voog lim dej rectifier, lub voj voog Schottky diode (SOK) thiab lub voj voog tsav.
Lub inverter muaj peev xwm muab faib ua active inverter thiab passive inverter, passive inverter, tseem hu ua inverter circuit lossis voltage regulator circuit, feem ntau los ntawm theem input, theem nrab (LC) lim, theem tso zis (rectifier), thiab lwm yam, thiab lub inverter active yog qhov input voltage teeb liab hloov pauv kom tau txais DC voltage ruaj khov.
Feem ntau, lub inverter passive muaj lub capacitor compensation hauv lub rectifier bridge, thaum lub inverter active muaj lub lim inductor hauv lub rectifier bridge.
Lub voj voog inverter muaj qhov zoo ntawm qhov me me, lub teeb yuag, ua haujlwm tau zoo thiab lwm yam. Nws yog qhov tseem ceeb ntawm txhua yam khoom siv hluav taws xob.
Kev faib tawm
Raws li cov topology ntawm lub inverter muaj peev xwm muab faib ua: puv-choj inverter, thawb-rub inverter.
Nws muaj peev xwm muab faib ua PWM (pulse width modulation) inverter, SPWM (quadrature signal modulation) inverter thiab SVPWM (space voltage vector modulation) inverter.
Raws li kev faib tawm ntawm lub voj voog tsav tsheb, nws muaj peev xwm muab faib ua: ib nrab choj, thawb-rub hom.
Raws li hom kev thauj khoom, nws muaj peev xwm muab faib ua ib theem inverter fais fab mov, peb theem inverter fais fab mov, DC converter, active filter inverter fais fab mov, thiab lwm yam.
Raws li hom kev tswj hwm tuaj yeem muab faib ua: hom tam sim no thiab hom voltage.
Daim Ntawv Thov
Cov inverters siv dav hauv kev lag luam automation, cov khoom siv tub rog, aerospace thiab lwm yam teb. Piv txwv li, hauv kev lag luam automation, cov khoom siv reactive power compensation feem ntau siv hauv cov tshuab fais fab tuaj yeem kho qhov hluav taws xob siab, txhim kho kev tsim khoom, txuag hluav taws xob thiab muab kev pabcuam hluav taws xob ruaj khov rau kev tsim khoom lag luam; hauv kev sib txuas lus, cov khoom siv reactive power compensation tuaj yeem siv los kho qhov hluav taws xob ntawm cov tshuab hluav taws xob qis kom ruaj khov lawv hauv qhov ntau thiab tsawg thiab ua tiav kev sib txuas lus ntev; hauv kev thauj mus los, lawv tuaj yeem siv rau hauv lub cav pib tsheb thiab lub roj teeb them lub tsheb; hauv cov khoom siv tub rog, lawv tuaj yeem siv rau hauv lub zog thiab lub kaw lus tswj tsis siv neeg ntawm cov khoom siv riam phom; hauv aerospace, lawv tuaj yeem siv rau hauv lub cav pib lub zog thiab lub roj teeb them lub zog.
Lub sijhawm tshaj tawm: Lub Peb Hlis-06-2023