Electromagnetic compatibility tsim tsom xam ntawm switching fais fab mov system
Nrog rau kev loj hlob sai ntawm cov cuab yeej siv hluav taws xob, cov khoom siv hluav taws xob kuj tseem txhim kho nyob rau hauv cov kev taw qhia ntawm kev ua haujlwm ntawm kev sib koom ua ke thiab miniaturization, uas ua rau peb yooj yim heev. Txawm li cas los xij, electromagnetic coupling ntawm ntau yam khoom siv hluav taws xob kuj tau dhau los ua teeb meem uas engineers ntsib. qhov teeb meem loj. Hluav taws xob ib puag ncig muaj kuab paug tsis muaj teeb meem tsawg dua li ib txwm muaj kuab paug ib puag ncig. Raws li ib feem ntawm ib puag ncig muaj kuab paug, electromagnetic pollution kuj tau muab tso rau hauv cov txheej txheem. Thaum cov khoom siv hluav taws xob ua haujlwm ib txwm muaj, nws yuav tiv taus ntau yam kev cuam tshuam ntawm electromagnetic, suav nrog kev cuam tshuam ntawm nws tus kheej cov khoom siv sab hauv thiab cuam tshuam los ntawm lwm cov khoom siv hluav taws xob nyob ib puag ncig. Nws tseem yuav ua rau electromagnetic cuam tshuam rau lwm yam khoom siv hluav taws xob nyob ib puag ncig. Cov khoom siv hluav taws xob muaj ntau qhov kev xav tau sib txawv hauv qhov chaw sib txawv (tsev neeg, kev tswj hwm kev lag luam, hluav taws xob hluav taws xob). Hauv qhov no, koj tuaj yeem xa mus rau tus qauv dav dav IEC/EN61000-6 series lossis cov kev xav tau ntawm kev lag luam ntawm cov khoom siv sib xws.
Qhov kev cuam tshuam ntawm electromagnetic no feem ntau suav nrog ob yam hauv txoj kev sib kis: ib qho yog kis tau tus mob raws cov hlua hlau, uas feem ntau suav nrog kev sib kis raws lub zog qhov chaw nres nkoj thiab lub teeb liab chaw nres nkoj; ntawm qhov tod tes, nws tsuas yog kis raws qhov chaw.
Electromagnetic cuam tshuam:
Cov khoom siv hluav taws xob yuav tsum ua kom tau raws li qhov tsawg kawg nkaus emission zog yuav tsum tau nyob rau hauv nws daim ntawv thov ib puag ncig, txwv tsis pub nws yuav ua rau muaj kev cuam tshuam rau cov khoom siv hauv ib puag ncig. Tus qauv IEC/EN61000-6 tau muab faib ua cov khoom siv hauv ib puag ncig kev lag luam thiab cov khoom siv hauv tsev thiab kev lag luam raws li cov kev cai dav dav. emission yuav tsum tau rau lub regional thiab lub teeb kev lag luam ib puag ncig; rau cov khoom siv dav dav xws li cov khoom siv hluav taws xob, hluav taws xob cuam tshuam qhov chaw nyob rau hauv cov qauv tsim thaum ntxov yuav raug tsim raws li IEC/EN61000-6-3 lossis IEC/EN61000-6-4 tshwj tsis yog nws yog tus qauv tshwj xeeb.
Raws li qhov loj ntawm cov khoom siv hluav taws xob txuas ntxiv mus rau qhov me me thiab lub zog ceev txuas ntxiv nce ntxiv, cov khoom siv hluav taws xob cuam tshuam ntawm cov khoom siv hluav taws xob nws tus kheej tseem nyuaj dua. Tag nrho cov AC-DCs tam sim no nyob rau hauv kev ua lag luam los ntawm MORNSUN tsis tsuas yog muaj built-in lim, tab sis kuj transformer shielding, ib tug loj npaum li cas ntawm cov nqi tsim tau raug nqis peev rau lub suab nrov nqus cov khoom siv fais fab kom ua tau raws li cov lus cog tseg; R2 cov khoom siv hluav taws xob qis DC-DC yog txhua yam tsim los nrog rau 6-sided shielding qauv kom ua tau raws li CLASS A ntawm kev lag luam EN55022 / CISPR 22 thiab EN55011 / CISPR 11 cov kev cai thiab ua tau raws li qib uas yuav tsum tau muaj ntawm cov kev lag luam hauv paus.
Txawm hais tias ntau tus nqi tsim tau raug nqis peev hauv kev cuam tshuam ntawm electromagnetic cuam tshuam ntawm lub zog hluav taws xob nws tus kheej, thiab nws ua tau raws li cov lus cog tseg, qhov teeb meem ntawm kev cuam tshuam ntau dhau ntawm electromagnetic cuam tshuam hauv kev lag luam daim ntawv thov ntawm cov khoom siv hluav taws xob yog inevitable; Nyob rau lub sijhawm no, ntau tus kws tsim qauv tsim yuav xav tias lub hauv paus ntawm qhov teeb meem yog hais txog lub zog siv hluav taws xob, muaj kev nkag siab tsis zoo hauv qhov no, vim hais tias qhov kev cuam tshuam ntawm electromagnetic cuam tshuam qhov kev ntsuam xyuas qhov project yog qhov tseem ceeb ntawm qhov chaw nres nkoj fais fab, yog li qhov chaw nres nkoj fais fab. dhau los ua nws txoj kev sib kis, thiab tag nrho cov kev cuam tshuam electromagnetic yuav ncav cuag lub hom phiaj los ntawm qhov chaw nres nkoj fais fab. Txawm li cas los xij, ntxiv rau qhov cuam tshuam ntawm electromagnetic cuam tshuam los ntawm cov khoom siv ntsuas los ntawm lub zog hluav taws xob nws tus kheej, qhov tseem ceeb kuj suav nrog kev cuam tshuam ntawm electromagnetic cuam tshuam los ntawm lwm qhov ntawm lub tshuab tag nrho, nrog rau kev cuam tshuam electromagnetic generated los ntawm resonance ntawm parasitic tsis nyob rau hauv cov khoom. . Hom kev cuam tshuam ntawm electromagnetic no yuav ua ke rau cov khoom siv kuaj los ntawm qhov chaw nres nkoj fais fab. Lub lim dej hauv cov khoom siv hluav taws xob tsis tuaj yeem lim qhov no ntawm qhov cuam tshuam ntawm electromagnetic. Kev thov ib puag ncig ntawm cov khoom siv hluav taws xob sib txawv heev. Cov lim ib feem ntawm tag nrho cov qauv tsim hluav taws xob yog los daws nws tus kheej cuam tshuam raws li qhov kev txiav txim siab tseem ceeb. , lub lim attenuation yam ntxwv thiab spectrum yam ntxwv yuav tau tseg kom ntau li ntau tau, tab sis nws yog tsis yooj yim sua kom haum rau tag nrho cov kev siv; ces qhov no xav kom peb cov neeg tsim tshuab ua tiav ua raws li daim ntawv thov kev pom zoo los ntawm cov chaw tsim khoom siv hluav taws xob thaum tsim cov khoom siv fais fab pem hauv ntej-kawg Ua tus tsim.
