albisteak
Potentzia-modulu bat diseinatu nahi baduzu, zer alderdi hartu behar dira kontuan?
Egilea: ZYG Power Module Time： 2022-8-15
Elektrizitate-hornidura kommutikoaren ingeniari teknikoa bazara, ez duzu potentzia moduluaren sarrera irakurri beharrik. Oraindik hasiberria zarenean edo mikrokontrolagailuen diseinua ikasten ari zarenean, hobe da hitzez hitz begiratzea.
Potentzia-modulu bat aukeratzearen onurak
Gaur egun, banatzaile ezberdinek potentzia-modulu desberdinak kaleratu dituzte salmenta-merkatuan, baina produktu desberdinen lan-tentsioa, potentzia, funtzioa eta topologia ez dira berdinak.
Potentzia-modulu bat aukeratzeak garapen-diseinu-denbora aurrezten du eta merkaturatzeko denbora azkarra ahalbidetzen du; beraz, potentzia-modulua hobesten da soluzio integratu baten aldean.
1. Kontrol-modulu bakoitza zorroztasunez probatu daiteke hainbat alderditan bere aspektu-erlazioa fidagarria dela ziurtatzeko, batez ere plug-in-probak barne, hau da, kualifikatu gabeko produktuak baztertzeko komenigarria.
Aitzitik, konponbide integratuak detektatzen zailagoak dira, elikadura-zerbitzuko beste sistema-software batzuekin lotura estua dutelako elikadura banatzeko sistema guztiak.
2. Saltzaile ezberdinek tamaina bereko kontrol-moduluak diseina ditzakete egungo zehaztapen estandarren arabera, aukera desberdinak eskainiz DC kommutazio-hornidurak diseinatzen dituzten ingeniari teknikoentzat.
3. Kontrol-modulu bakoitzaren diseinu-eskema eta probak zehaztapen-ezaugarrien eskakizunen arabera egiten dira, eta horrek teknologia berriak aplikatzeko arriskua murrizteko lagungarria da.
4. Irtenbide integratua hartzen bada, elikatze-sistema kommutazioko softwarearekin arazoren bat badago, plaka osoa desmuntatu eta ordezkatu behar da; kontrol-moduluaren diseinu-eskema hautatzen bada, kontrol-modulu zaila kendu eta ordezkatu daiteke, eta horrek kostuak eta garapen-diseinu-denbora murrizteko laguntzen du.
Erraz ahaztu egiten diren potentzia-moduluaren diseinu-arazoak
Kontrol-moduluaren diseinua aukeratzeak hainbat abantaila dituen arren, kontrol-moduluaren diseinua bezalako kontrol-moduluaren diseinua barneko DC/DC bihurgailuaren diseinua da, berez, jende askok ulertzen ez duen edo arreta nahikoa jartzen ez dion arazoa.
Zailtasun horietako batzuk hauek dira: irteerako zarataren neurketa zehatza; eremu magnetikoko sistemaren softwarearen diseinua; odol-presioa isometrikoko bihurgailuen matxura termiko arazoak; inprimatutako PCB taula ospea.
Diseinu magnetikoa
Nukleoaren fidagarritasuna beste kontu bat da, askotan, besteek ahaztu egiten dutena. Irteerako induzigailuen bobina gehienak kobre-hautsez eginak dira, hau da, kostu baxuena den lehengaia. Kobrearen nukleoaren 96% inguru burdin hutsa da.
Kobre partikulak elkarren artean lotzen dira aglutinatzaile kimiko organiko baten bidez, eta kobre partikula bakoitza ere bereizten da nukleoaren barruko eta kanpoko espazioaren iragazkortasuna betetzeko.
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