Video: DIAC thiab Triac yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A Triac cov cuab yeej muaj ob lub thyristors uas txuas nrog rau qhov sib txawv tab sis nyob rau hauv parallel tab sis, nws yog tswj los ntawm tib lub rooj vag. Triac yog 2-dimensional thyristor uas yog qhib rau ntawm ob tog ntawm i/p AC voj voog siv + Ve lossis -Ve rooj vag pulses. Daim ntawv sau npe DIAC yog diode alternating tam sim no.
Ib sab ntawm qhov no, qhov txawv ntawm DIAC thiab Triac yog dab tsi?
A triac yog 4-txheej semiconductor ntaus ntawv nrog ob lub hwj chim terminals (MT1 thiab MT2) thiab lub rooj vag davhlau ya nyob twg. Nws yog siv los ua lub zog tswj cov khoom siv rau 50/60Hz AC mains daim ntawv thov. Nws yog muab tso rau hauv series nrog lub load txuas hla lub mains. A diac yog ib qho zoo sib xws 4-txheej ntaus ntawv tab sis tsis muaj lub rooj vag davhlau ya nyob twg.
Tsis tas li ntawd, DIAC txhais li cas? Cov DIAC (diode rau alternating tam sim no) yog ib tug diode uas ua hluav taws xob tam sim no tsuas yog tom qab nws breakover voltage, VBO, tau mus txog ib ntus. DIACs tsis muaj lub rooj vag electrode, tsis zoo li lwm cov thyristors uas lawv feem ntau siv los ua, xws li TRIACs.
Ua li no, vim li cas DIAC siv nrog triac?
Triac Conduction Waveform Ces peb tau pom tias cov Diac yog ib qho khoom siv tau zoo heev uas tuaj yeem ua tau siv ua rau triacs thiab vim nws cov yam ntxwv tsis zoo kuj tso cai rau nws hloov "ON" sai sai thaum qee qhov kev siv hluav taws xob tau mus txog.
DIAC yog dab tsi thiab nws daim ntawv thov?
The DIAC yog ib Cov khoom siv hluav taws xob uas tau siv dav los pab txawm tias ua rau TRIAC thaum siv hauv AC keyboards thiab vim li ntawd lawv feem ntau pom nyob rau hauv lub teeb dimmers xws li cov siv hauv tsev teeb pom kev zoo. Cov khoom siv hluav taws xob no kuj tau siv dav hauv kev pib circuits rau cov teeb fluorescent.
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