Ib qho AC (Alternating Current) EMC (Electromagnetic Compatibility) lim ua haujlwm ntau yam tseem ceeb.
Electromagnetic cuam tshuam (EMI) Kev Tiv Thaiv
Ib qho ntawm cov haujlwm tseem ceeb yog txhawm rau txhawm rau EMI. Hauv ib lub tshuab hluav taws xob, ntau yam khoom tuaj yeem tsim cov suab nrov electromagnetic. Piv txwv li, hloov cov khoom siv hluav taws xob, lub cev muaj zog, thiab cov inverter yog cov khoom siv EMI. AC EMC lim attenuates cov tsis xav tau emissions. Nws ua qhov no los ntawm kev siv cov khoom sib xyaw ua ke xws li capacitors thiab inductors. Capacitors tuaj yeem shunt high-frequency suab nrov rau hauv av, thaum inductors thaiv qhov kev nkag mus ntawm high-frequency tam sim no. Qhov no yuav pab kom lub suab nrov ntawm hluav taws xob tawm thiab cuam tshuam nrog lwm cov khoom siv hluav taws xob nyob ze.
Txhim kho Susceptibility rau EMI
Hloov pauv, lub lim kuj tseem tiv thaiv cov khoom siv uas nws txuas nrog los ntawm kev cuam tshuam sab nraud ntawm electromagnetic. Nyob rau hauv ib puag ncig kev lag luam, tej zaum yuav muaj zog electromagnetic teb tsim los ntawm cov tshuab hnyav lossis cov kab hluav taws xob. AC EMC lim ua raws li cov ntaub thaiv npog rau cov khoom siv sib txuas. Los ntawm kev lim tawm cov kev cuam tshuam sab nraud, nws ua kom cov khoom siv ua haujlwm zoo thiab tswj xyuas qhov tseeb. Piv txwv li, nyob rau hauv ib tug rhiab ntsuas ntsuas kev twb kev txuas nrog ib tug AC lub hwj chim qhov chaw, lub lim yuav tiv thaiv sab nraud EMI los ntawm distorting qhov ntsuas.
Kev txhim kho fais fab
AC EMC cov ntxaij lim dej kuj tuaj yeem txhim kho lub zog zoo. Lawv tuaj yeem txo qhov sib txawv ntawm qhov sib txawv hauv AC fais fab mov. Harmonics yog qhov tsis xav tau ntau zaus uas tuaj yeem ua rau cov khoom siv kub dhau thiab txo nws txoj kev ua haujlwm. Los ntawm kev lim tawm cov kev sib haum xeeb no, lub lim yuav pab muab lub zog huv thiab ruaj khov dua, uas muaj txiaj ntsig zoo rau kev lag luam txhim khu kev qha ntawm cov khoom siv hluav taws xob.
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