Codsiga hal-abuurka leh ee wax-ka-bedelaha ee baabuur-caddaynta qaraxa

Si loo xaqiijiyo hawlgalka xawaaraha isbedbeddelka ah ee matoorka, tignoolajiyada inverter-ka ayaa si weyn loogu isticmaalaa matoorka aan qarxin.Qalab ahaan, roog-gudbiiyuhu waxa uu u rogi karaa awoodda soo noqnoqda ee awoodda soo noqnoqda (50Hz ama 60Hz) isu beddelka korontadda AC ee kala duwan, si loo gaaro dhaqdhaqaaqa xawaaraha beddelka ah ee mootada.Qalabka waxaa ka mid ah wareegga xakamaynta ee lagu xakameynayo wareegga muhiimka ah;Wareegga toosiyaha si loogu beddelo hadda beddelka iyo hadda tooska ah;Wareegga dhexdhexaadka ah ee DC waxaa loo isticmaalaa si loo simo oo loo shaandheeyo wax soo saarka wareegga hagaajinta;Wareegga roga, loo isticmaalo in loogu beddelo hadda tooska ah beddelka hadda.Qaar ka mid ah beddelayaasha soo noqnoqda ee u baahan inay qabtaan hawlo badan, sidoo kale waa lagama maarmaan in lagu qalabeeyo CPU xisaabinta qulqulka iyo wareegga u dhigma.Beddelida inta jeer ee sahayda korantada ee dabaylaha stator ee matoorka, xeerbeegtida xawaaraha soo noqnoqda ee doorsooma waxay xaqiijin kartaa ujeedada nidaaminta xawaaraha.

Inverter Marka loo eego hababka kala-soocidda, waxaa loo qaybin karaa inverter nooca korantada iyo nooca hadda jira, inverter control PAM, PWM kontorool inverter iyo inta jeer ee PWM kontoroolka inverter, V / f kontoroolka inverter, simbiriirixan inverter kantaroolka soo noqnoqda iyo inverter gacanta vector, General inverter, wax qabad sare oo gaar ah inverter, inverter soo noqnoqda sare, hal wejiga inverter iyo saddex wejiga inverter, iwm.

Beddelka soo noqnoqda, VVVF waxaa loola jeedaa beddelka tamarta iyo soo noqnoqda, halka CVCF loola jeedaa danab joogto ah iyo soo noqnoqoshada joogtada ah.Korontada AC ee laga isticmaalo wadamada aduunka, haday ahaan lahayd guryaha iyo warshadahaba, tamarta iyo inta jeer ee inta badan waa 400V/50Hz ama 200V/60Hz(50Hz).Aalad u beddesha sahayda korantada oo kale ah danab ama variable variable AC waxa loo yaqaan "frequency converter".Si loo dhaliyo koronto doorsooma iyo soo noqnoqosho, qalabku waxa uu marka hore u baahan yahay in uu u beddelo ka beddelka hadda una beddelo toos (DC).

Beddelaha soo noqnoqda waxaa loo isticmaalaa in lagu xakameeyo mootada oo wax ka bedeli karta tamarta iyo inta jeer ee labadaba.Marka loo eego xawaaraha dhaqdhaqaaqa AC, xawaaraha n wuxuu la mid yahay inta jeer ee f, xawaaraha mootada waa la hagaajin karaa ilaa inta inta jeer ee f la beddelo.Sidaa darteed, beddelaha soo noqnoqda wuxuu garwaaqsadaa xakamaynta xawaaraha isagoo beddelaya inta jeer ee awoodda sahayda mootada, taas oo ah hufnaan sare iyo nidaaminta xawaaraha waxqabadka sare macnaheedu waa.

Horumarinta beddelayaasha soo noqnoqda, habab kala duwan oo xakamayn ah ayaa soo baxay, oo ay ku jiraan:

Hababka kontoroolka xajmiga garaaca wadnaha ee Sinusoidal (SPWM), halkaasoo 1U/f = C;

Habka kontoroolka hawada sare ee korantada (SVPWM);

Habka xakamaynta Vector (VC);

Habka xakamaynta torque-ga tooska ah (DTC);

Isgoysyada Matrix - habka xakamaynta isgoyska, iwm.

Xagga sare, codsiga cusub ee beddelka matoorka-ilaalinta qaraxa ayaa lagu sifeeyay.Iyadoo loo marayo tignoolajiyada inverter-ka, xawaaraha mootada waxaa lagu hagaajin karaa dabacsanaan, taasoo keenaysa waxtarka sare iyo xalalka awoodda sare ee warshadaha warshadaha.