Menene Tsangwama na EMI Electromagnetic

Menene Tsangwama na EMI Electromagnetic
Fage
Tsangwama na Electromagnetic (EMI) an fayyace shi azaman duk wani tsangwama na lantarki ko maganadisu wanda ke ragewa ko tsoma baki tare da ingancin siginar ko sassa da ayyukan kayan lantarki.Tsangwama na lantarki, gami da tsangwamar mitar rediyo, gabaɗaya ya faɗi cikin manyan rukunai biyu.Fitowar ƙunƙun-ƙunƙun abubuwa yawanci na mutum ne kuma an iyakance shi zuwa ƙaramin yanki na bakan rediyo.Hum daga layukan wutar lantarki misali ne mai kyau na hayakin kunkuntar.Suna ci gaba ne ko kuma na ɗan lokaci.Broadband radiation na iya zama na mutum ko na halitta.Suna yin tasiri ga faffadan yankuna na bakan na'urar lantarki.Waɗannan su ne abubuwan da ya faru na lokaci ɗaya waɗanda ke bazuwar, lokaci-lokaci, ko ci gaba.Komai daga walƙiya zuwa kwamfuta yana haifar da radiyo na broadband.
EMI tushen
Tsangwama na lantarki da EMI tacewa zai iya zuwa ta hanyoyi daban-daban.A cikin kayan wutan lantarki, tsangwama na iya faruwa saboda tsangwama, juyar da igiyoyi a cikin wayoyi masu haɗin kai.Hakanan ana iya haifar da shi ta hanyar canjin wutar lantarki a cikin madugu.Ana samar da EMI a waje ta hanyar makamashin sararin samaniya kamar hasken rana, wutar lantarki ko layin tarho, na'urori, da layukan wuta.Yawancin EMI ana samar da su tare da layin wutar lantarki kuma ana watsa su zuwa kayan aiki.Fitar EMI na'urori ne ko na'urori na ciki waɗanda aka tsara don rage ko kawar da waɗannan nau'ikan tsangwama.
EMI tace
Ba tare da zurfafa cikin kimiyya mai tsauri ba, yawancin tsangwama na lantarki yana cikin kewayon mitar mai yawa.Wannan yana nufin cewa lokacin auna sigina kamar sine wave, lokutan za su kasance kusa sosai.Fitar EMI suna da abubuwa biyu, capacitor da inductor, waɗanda ke aiki tare don murkushe waɗannan sigina.Capacitors suna danne igiyoyin wuta kai tsaye kuma su wuce madaidaicin igiyoyin ruwa wanda ta inda ake kawo tsangwama mai yawa na lantarki a cikin na'urar.Inductor ainihin ƙaramin lantarki ne wanda ke riƙe da ƙarfi a cikin filin maganadisu lokacin da halin yanzu ke wucewa ta cikinsa, yana rage ƙarfin lantarki gaba ɗaya.Capacitors da ake amfani da su a cikin matattarar EMI, da ake kira shunt capacitors, suna kiyaye igiyoyin mitoci masu yawa a cikin wani kewayon kewayo daga kewaye ko sashi.Shunt capacitor yana ciyar da babban mitar halin yanzu/tsangwama ga inductor da aka sanya a cikin jerin.Yayin da halin yanzu ke wucewa ta kowane inductor, gabaɗayan ƙarfin ko ƙarfin lantarki yana raguwa.Da kyau, inductor yana rage tsangwama zuwa sifili.Wannan kuma ana kiransa gajere zuwa ƙasa.Ana amfani da matattarar EMI a cikin aikace-aikace iri-iri.Ana samun su a cikin kayan aikin dakin gwaje-gwaje, kayan aikin rediyo, kwamfutoci, kayan aikin likita, da kayan aikin soja.
Koyi game da hanyoyin tacewa na EMI/EMC

Capacitors suna danne igiyoyin wuta kai tsaye kuma su wuce madaidaicin igiyoyin ruwa wanda ta inda ake kawo tsangwama mai yawa na lantarki a cikin na'urar.Inductor ainihin ƙaramar na'urar lantarki ce wacce ke riƙe ƙarfi a cikin filin maganadisu lokacin da halin yanzu ke wucewa ta cikinsa, yana haifar da faɗuwar ƙarfin lantarki gaba ɗaya.Capacitors da ake amfani da su a cikin matattarar EMI, da ake kira shunt capacitors, suna kiyaye igiyoyin mitoci masu yawa a cikin wani kewayon kewayo daga kewaye ko sashi.Shunt capacitor yana ciyar da babban mitar halin yanzu/tsangwama ga inductor da aka sanya a cikin jerin.Yayin da halin yanzu ke wucewa ta kowane inductor, gabaɗayan ƙarfin ko ƙarfin lantarki yana raguwa.Da kyau, inductor yana rage tsangwama zuwa sifili.Wannan kuma ana kiransa gajere zuwa ƙasa.Ana amfani da matattarar EMI a cikin aikace-aikace iri-iri.
Koyi game daDOREXSEMI tace anan.