Qeexida iyo kala soocida inverter

Qeexida iyo kala soocida inverter

1. Fahamka fikradda beddelka

Habka awoodda AC loogu beddelo awoodda DC waxaa loo yaqaannaa hagaajinta, wareegga dhammaystira shaqada dib-u-hagaajinta waxaa loo yaqaannaa wareegtada hagaajinta, qalabka garta habka hagaajinta waxaa loo yaqaannaa qalabka hagaajinta ama hagaajinta.Sida la mid ah, habka loogu beddelo awoodda DC ee awoodda AC waaDhaqaale Vector AC Drive LSD-C7000, wareegga dhamaystiraya shaqada inverter-ka waxaa loo yaqaan 'inverter circuit', iyo aaladda ogaanaysa habka beddelka waxaa loo yaqaannaa qalabka beddelka ama inverter.

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2. Sharaxaad faahfaahsan oo ku saabsan kala-soocidda beddelka

1. Marka loo eego inta jeer ee korontadu soo saarto AC by roverter, waxaa loo qaybin karaa inverter soo noqnoqda awoodda, inverter inta jeer dhexdhexaad ah iyo inverter soo noqnoqda sare.Inta jeer ee rogaha soo noqnoqda korantadu waa beddele 50 ilaa 60 Hz;inta jeer ee rookaha soo noqnoqda dhexe guud ahaan waa 400 Hz in ka badan toban kHz;inta jeer ee rookaha soo noqnoqda sare ayaa guud ahaan ka badan toban kHz ilaa MHz.

2. Marka loo eego tirada wejiyada uu soo saaro is-bedbedelku, waxa loo qaybin karaa hal weji rogaye, rogo saddex waji ah iyo inverter-fase badan.

3. Marka loo eego jihada awoodda wax-soo-saarka ee rogaha, waxa loo qaybin karaa inverter firfircoon iyo inverter dadban.Inverter kasta oo u gudbiya wax-soo-saarka tamarta korantada ee is-bedbedelku u gudbiya shabkada korantada warshadaha waxa loo yaqaan inverter firfircoon;Inverter kasta oo u gudbiya wax soo saarka tamarta korantada ee beddelkaqalab. 

4. Marka loo eego qaabka wareegga ugu muhiimsan ee is-beddelka, waxaa loo qaybin karaa inverter hal-dhammeedka, riix-jiid inverter, inverter badh-buundada iyo inverter buuxa. 

5. Marka loo eego nooca aaladda beddelka ugu weyn ee beddelaha, waxa loo qaybin karaa inverter thyristor, transistor inverter, inverter saamaynta field iyo insulated gate bipolar transistor (IGBT) inverter.Waxa kale oo loo kala saari karaa laba qaybood: rogo-rogayaasha "kala-koontaroolada badhkood" iyo "rogrogayaasha" buuxa.Kuwa hore ma laha awood isku-xiran, qaybahana waxay lumiyaan xakameyntooda ka dib marka la shido, sidaas darteed waxaa loogu yeeraa "thyristors" caadiga ah "haf-control".Daminta iyo daminta transistor-ka waxaa lagu xakameyn karaa korantada kontoroolka, sidaas darteed waxaa loo yaqaan "nooca kantaroolka buuxa".transistors-ka saamaynta korantada iyo albaabka dahaarka leh ee labada-miisaanka leh (IGBTs) ayaa ka tirsan qaybtan. 

6. Marka loo eego sahayda korantada DC-ga, waxa loo qaybin karaa inverter source inverter (VSI) iyo kan hadda jira (CSI).Midka hore, danabka DC-gu wuxuu ku dhow yahay mid joogto ah, korantada wax soo saarkuna waa mawjad labajibbaaran oo beddeleysa;Midda dambe, hadda DC-gu waa mid joogto ah, hadda soo-saarkuna waa mowjad labajibbaaran oo beddeleysa. 

7. Marka loo eego qaabka waveform ee danab wax soo saarka inverter ama hadda, waxa loo qaybin karaa inverter wax soo saarka sine iyo non-sine wax soo saarka inverter. 

8. Marka loo eego habka xakamaynta inverter, waxa loo qaybin karaa inverter modulation (PFM) inverter iyo pulse width modulation (PWM) inverter. 

9. Marka loo eego habka shaqada ee wareegga beddelka beddelka, waxa loo qaybin karaa inverter resonant, inverter wareegtada adag ee inta jeer ee go'an iyo inverter beddelka jilicsan ee soo noqnoqda. 

10. Marka loo eego habka is-beddelka beddelka, waxa loo qaybin karaa inverter commutated load iyo is-commutated inverter.


Waqtiga boostada: Febraayo-28-2023