Intshayelelo yeI-Inverter
I-inverter sisixhobo se-elektroniki esiguqula i-alternating current ibe yi-direct current, esetyenziswa kakhulu ukubonelela ngombane kumthwalo. I-Inverter sisixhobo esiguqula i-DC voltage source ibe yi-AC voltage source. Ingasetyenziswa kwi-microcomputer okanye kwinkqubo ye-single-chip microcomputer kunye nezixhobo zokucubungula isignali.
Ii-Invertersinokwahlulwa ibe zii-inverters zesigaba esinye, ezintathu kunye ne-full-bridge ngokwenqanaba lamandla. Ii-inverters zesigaba esinye kunye nesithathu zenziwe zii-transformers, izihluzi kunye nezihluzi ze-LC, kwaye i-output waveform yi-sine wave; ii-full-bridge inverters zenziwe yi-rectifier filter circuit, i-Schottky diode (PWM) circuit kunye ne-drive circuit, kwaye i-output waveform yi-square wave.
Ii-Invertersinokwahlulwa ibe ziintlobo ezintathu: uhlobo oluzinzileyo oluvaliweyo, uhlobo lolawulo lwe-dead-zone (indlela ye-sine wave) kunye nohlobo lolawulo lweswitshi (indlela ye-square wave). Ngophuhliso lwetekhnoloji ye-elektroniki yamandla, ii-inverters zisetyenziswa kakhulu kwiinkalo ezahlukeneyo.
Iingcamango ezisisiseko
I-inverter sisixhobo se-elektroniki esinamandla esiguqula i-direct current ibe yi-alternating current. I-inverter iqulathe i-rectifier filter circuit, i-Schottky diode (SOK) circuit kunye ne-drive circuit.
I-inverter inokwahlulwa ibe yi-inverter esebenzayo kunye ne-inverter engasebenziyo, i-inverter engasebenziyo, eyaziwa ngokuba yi-inverter circuit okanye i-voltage regulator circuit, ngokubanzi ngokwesigaba sokufaka, isihluzi sesigaba esiphakathi (LC), isigaba sokuphuma (i-rectifier), njl.njl., kwaye i-inverter esebenzayo yinguqulelo yesignali ye-input voltage ukuze kufunyanwe i-DC voltage ezinzileyo.
I-inverter engasebenziyo idla ngokuba ne-capacitor yembuyekezo kwi-rectifier bridge, ngelixa i-inverter esebenzayo ine-filter inductor kwi-rectifier bridge.
Isekethe ye-inverter ineenzuzo zobukhulu obuncinci, ubunzima obulula, ukusebenza kakuhle okuphezulu njalo njalo. Yinto ephambili kuzo zonke iintlobo zezixhobo ze-elektroniki ezinamandla.
Ulwahlulo
Ngokwe-topology ye-inverter ingahlulwahlulwa ibe: i-inverter ye-bridge epheleleyo, i-inverter yokutyhala.
Ingohlulwa ibe yi-inverter ye-PWM (pulse width modulation), i-SPWM (quadrature signal modulation) kunye ne-SVPWM (space voltage vector modulation).
Ngokwendlela yokuqhuba, udidi lwesekethe lungahlulwahlulwa lube: uhlobo lwe-half-bridge, uhlobo lwe-push-pull.
Ngokwendlela yomthwalo, ingahlulwahlulwa ibe lumbane we-inverter wesigaba esinye, umbane we-inverter wesigaba sesithathu, i-DC converter, umbane we-inverter yesihluzo esisebenzayo, njl.
Ngokwendlela yokulawula, imo yokulawula ingahlulwa ibe: imo yangoku kunye nemo yevolthi.
Intsimi yesicelo
Ii-inverters zisetyenziswa kakhulu kwi-automation yemizi-mveliso, kwizixhobo zomkhosi, kwi-aerospace nakwezinye iindawo. Umzekelo, kwi-automation yemizi-mveliso, izixhobo zokuhlawula amandla asebenzayo ezisetyenziswa kakhulu kwiinkqubo zamandla zinokulungisa umbane we-high-voltage, ziphucule ukusebenza kakuhle kwemveliso, zonge amandla ombane kwaye zibonelele ngombane ozinzileyo kwimveliso yemizi-mveliso; kunxibelelwano, izixhobo zokuhlawula amandla asebenzayo zingasetyenziselwa ukulungisa umbane weenkqubo ze-low-voltage ukuze zizinzise kuluhlu olufanelekileyo kwaye zenze unxibelelwano olude; kwezothutho, zingasetyenziswa kwinkqubo yokuqalisa injini yemoto kunye nenkqubo yokutshaja ibhetri yemoto; kwizixhobo zomkhosi, zingasetyenziswa kwinkqubo yokubonelela ngombane kunye nenkqubo yokulawula ngokuzenzekelayo yezixhobo zezixhobo; kwi-aerospace, zingasetyenziswa kumbane wokuqalisa injini yeenqwelo-moya kunye nombane wokutshaja ibhetri.
Ixesha lokuthumela: Matshi-06-2023