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Mfundo ndi Generation of Electromagnetic Interference EMI

IEC Intel EMI FILTER

Mfundo ndi Generation of Electromagnetic Interference EMI

Tisanafotokoze mfundo ya kusokoneza ma electromagnetic, tsopano tamvetsetsa zomwe zimayambitsa EMI:

1. Zomwe zimayambitsa EMI

Mitundu yosiyanasiyana ya kusokoneza ma electromagnetic ndiye zifukwa zazikulu zomwe zimakhudzira kugwirizana kwa zida zamagetsi.Chifukwa chake, kumvetsetsa chomwe chimayambitsa kusokonezedwa kwa ma elekitiroma ndichinthu chofunikira kwambiri popondereza kusokonezedwa ndi ma elekitiroma ndikuwongolera kuyanjana kwamagetsi pamagetsi.M'badwo wa kusokoneza electromagnetic akhoza kugawidwa mu:

Kusokoneza mkati Kusokonezana pakati pa zipangizo zamagetsi zamagetsi

1) Mphamvu yogwira ntchito imabweretsa kusokoneza komwe kumachitika chifukwa cha kutayikira kudzera pamagetsi omwe amagawidwa komanso kukana kwa mzere.

2) Chizindikirocho chimaphatikizidwa wina ndi mnzake kudzera mu kutsekeka kwa waya wapansi, magetsi ndi waya wotumizira, kapena chikoka chomwe chimayambitsidwa ndi kulumikizana pakati pa mawaya.

3) Zina mwazinthu zomwe zili mkati mwa zida kapena dongosolo zimapanga kutentha, zomwe zimakhudza kukhazikika kwa zigawozo zokha ndi zigawo zina.

4) Mphamvu ya maginito ndi magetsi opangidwa ndi zida zamphamvu kwambiri komanso zowonjezera-voltage zimakhudza kusokoneza komwe kumayambitsidwa ndi zigawo zina kupyolera mu kugwirizana.

Kusokoneza kwakunja - kukhudzidwa kwa zinthu zina osati zida zamagetsi kapena machitidwe pamabwalo, zida kapena machitidwe.

1) Ma voliyumu apamwamba akunja ndi magetsi amasokoneza mabwalo amagetsi, zida kapena makina kudzera pakutulutsa kwamagetsi.

2) Zida zakunja zamphamvu zakunja zimapanga mphamvu ya maginito mumlengalenga, zomwe zimasokoneza mabwalo amagetsi, zida kapena machitidwe kudzera pakuphatikizana kwapawiri.

3) Kusokoneza kwa ma elekitiroma mlengalenga kumabwalo apakompyuta kapena makina.

4) Kutentha kwa malo ogwirira ntchito kumakhala kosasunthika, kumayambitsa kusokonezeka komwe kumachitika chifukwa cha kusintha kwa magawo amagetsi, zida kapena zigawo zamkati za dongosolo.

2. Njira yotumizira yosokoneza ma elekitiroma

Pamene mafupipafupi a gwero losokoneza ali okwera, ndipo kutalika kwa chizindikiro chosokoneza kumakhala kochepa kusiyana ndi kukula kwa chinthu chosokonezedwa, chizindikiro chosokoneza chikhoza kuonedwa ngati malo a radiation, omwe amawunikira mphamvu zamagetsi mu mawonekedwe a mafunde amagetsi a ndege. ndi kulowa njira ya chinthu chosokonezedwa.Mu mawonekedwe a kugwirizana ndi kugwirizana, kupyolera mu insulating dielectric, kugwirizana kwa impedance wamba kumalowa mu dongosolo losokoneza.Zizindikiro zosokoneza zimatha kulowa mudongosolo kudzera mumayendedwe olunjika.

3. Njira zosinthira kutengera kwamagetsi

Kupititsa patsogolo kuyanjana kwamagetsi pamagetsi, kuyika pansi, kutchingira ndi kusefa ndi njira zoyambira kupondereza EMI.

1) Kuyika pansi

Grounding ndi njira yoyendetsera magetsi pakati pa zida zamagetsi ndi zamagetsi mu dongosolo lopita kumalo owonetsera pansi.Kuphatikiza pakupereka chitetezo chachitetezo cha zida, nthakayo imaperekanso chizindikiro chazidziwitso chofunikira pakugwiritsa ntchito zida.Ndege yabwino yapansi panthaka ndi thupi lokhala ndi zero kuthekera ndi zero impedance, yomwe ingagwiritsidwe ntchito ngati cholozera pazowunikira zonse zamasinthidwe ozungulira, ndipo chizindikiro chilichonse chosokoneza chodutsa sichingabweretse kutsika kwamagetsi.Komabe, palibe ndege yabwino yapansi, yomwe imafuna kuti tiganizire ndi kusanthula kugawidwa kwa mphamvu zapansi, kupanga mapangidwe a nthaka ndi kufufuza, ndi kupeza malo oyenera.Njira zoyatsira pansi zitha kugawidwa m'magulu awiri: nthaka yoyandama, yoyambira pansonga imodzi, yokhala ndi nsonga zambiri, ndi haibridi.Kwa makina ozungulira, pali zosankha: kuyika pansi, kuyika mphamvu, ndi kuyika chizindikiro.

2) chitetezo

Kutchinga ndiko kugwiritsa ntchito malo otsekeka a conductive kapena ma elekitiromaginito kuti mulekanitse danga lamkati ndi lakunja mwamagetsi.Makamaka kupondereza kusokoneza ma radiation mu danga.Amagawidwa mu electromagnetic shielding, electric field shielding ndi magnetic field shielding.

Mapangidwe oteteza amatha kulunjika ku gwero losokoneza komanso chinthu chosokoneza.Kwa gwero losokoneza, mapangidwe a gawo lotetezera amatha kuchepetsa kukhudzidwa kwa zida zina zozungulira;kwa chinthu chosokonezedwa, imatha kuchepetsa kusokoneza kwa mafunde amagetsi akunja pazida.

Kuteteza mwamphamvu: Ikani gwero losokoneza mkati mwa thupi lotchinga kuti muteteze mphamvu yamagetsi ndi ma siginecha osokoneza kuti asadutse kunja.

Kutchinga mopanda: kuyika zida zodzitchinjiriza m'thupi kuti zisakhudzidwe ndi kusokoneza kwakunja.

3) Kusefa

Tanthauzo la kusefa limatanthawuza njira yopezera zizindikiro zothandiza kuchokera kuzizindikiro zoyambirira zosakanikirana ndi phokoso kapena kusokoneza.Zosefera za EMIndi zigawo kukwaniritsa kusefa.

M'malo mwake, chipangizocho chikagwira ntchito, chidzatulutsanso maphokoso osiyanasiyana.Kusintha kwamagetsi ndikosokoneza kwambiri gwero losokoneza, ndipo chizindikiro cha EMI sichimangotenga ma frequency angapo, komanso chimakhala ndi matalikidwe akulu.Ndi kufalitsa kwa chizindikirocho, phokosoli limasokoneza zigawo zamtundu wotsatira, ndipo kudzikundikira kwa kusokoneza koteroko pamapeto pake kungayambitse ntchito yosadziwika ya dera lonse.Poganiza kuti chizindikiro chotuluka cha chipangizo chokhala ndi phokoso lalikulu ndi kusokoneza koonekeratu kwa chipangizo chapansi chimasefedwa kuti chisefe chizindikiro cha phokoso, kusokoneza kwa chipangizo chapansi kudzachepetsedwa, ndipo dongosolo lidzagwira ntchito mokhazikika.

https://www.scdorexs.com/three-phase-electric-emi-power-filter/

DOREXSMtsogoleri wamakampani a EMI

Ngati mukufuna chitetezo chokwanira cha EMI, DOREXS imapereka chokhazikikaEMI FILTERe ndi zosefera zodalirika za EMI pakugwiritsa ntchito kulikonse.Zosefera zathu ndizoyenera kugwiritsa ntchito akatswiri pantchito zankhondo ndi zamankhwala, komanso zogwiritsidwa ntchito kunyumba ndi mafakitale.Pamapulogalamu omwe amafunikira yankho lokhazikika, gulu lathu la akatswiri litha kupanga fyuluta ya EMI kuti ikwaniritse zomwe mukufuna.

Pokhala ndi zaka 15 zothana ndi vuto lamagetsi, DOREXS ndiwopanga zosefera zapamwamba za EMI zachipatala, zankhondo, komanso zamalonda.Zosefera zathu zonse za EMI zidapangidwa kuti zikwaniritse miyezo yamakampani ndikutsatira malamulo a EMC.Onani zosefera zathu za EMI kapena tumizani zosefera kuti mupeze zosefera zabwino za EMI pazosowa zanu.Kuti mudziwe zambiri za makonda a DOREXS ndi zosefera za EMI, chonde titumizireni.

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Nthawi yotumiza: Dec-27-2022