Curie zafin jiki na transformer core

"Wani lokaci baya, wani ya tambayi idan magnetic core yana da darajar juriyar zafin jiki. Sai wani ya amsa kamar haka:

'Makin juriya na zafin jiki don kayan insulating ne. Ba a ɗaukar ainihin abin maganadisu a matsayin abu mai rufewa, don haka ba shi da takamaiman ƙimar juriya na zafin jiki. Amma yana da mahimmancin siga mai alaƙa da zafin jiki da ake kiraCurie zafin jiki.'

A yau, bari mu tattauna game da 'Curie zafin jiki' na Magnetic core.

Zazzabi na Curie, wanda kuma aka sani da Curie point ko maganan maganan maganadisu, shine lokacin da ƙarfin filin maganadisu ya faɗi zuwa 0 yayin da yake zafi. Curies ne suka gano shi a ƙarshen karni na 19: lokacin da kuka zafi maganadisu zuwa wani yanayin zafi, ainihin maganadisu ya ɓace.

A cikin Transformers (inductors), idan damaganadisu coreYanayin zafin jiki ya wuce yanayin zafi na Curie, yana iya haifar da inductance ya ragu zuwa 0. Yayin da yawancin samfuran zasu iya dawo da aikin su bayan sun huce, don transfonder (inductor) suna aiki, rashin inductance na iya haifar da gazawa da ƙonawa.

Don haka lokacin tsarawa da zaɓarmasu aikin wuta(inductor), yana da mahimmanci a bar wani gefe don kiyaye zafin jiki na maganadisu a ƙasa da ma'anar Curie yayin aiki.

Yanayin zafin Curie na manganese-zinc ferrite ya wuce 210 ° C. Yawancin kayan rufewa (inductor) suna da ƙananan yanayin zafi fiye da wannan, don haka yayin aiki, magnetic core gabaɗaya ba zai kai irin wannan yanayin zafi ba."

Yanayin zafin jiki na Curie na manganese-zinc ferrite mai ƙarfi ya wuce 110 ° C. Mafi yawan kayan da ake sanyawa na wuta (inductor) na iya ɗaukar yanayin zafi sama da haka, kuma zafin naúrar (inductor) bayan aiki yana iya hawa sama da wannan cikin sauƙi. Don haka, muna buƙatar da gaske mu mai da hankali ga yadda muke ƙira manyan kayan aikin maganadisu don tabbatar da cewa ba sa yin zafi sosai lokacin da ake amfani da su.

Yanayin zafin Curie na nickel-zinc ferrite ya wuce 100 ° C. Kamar dai tare da ferrite mai girma, yana da mahimmanci don tabbatar da cewa magnetic core baya yin zafi fiye da zafin jiki na Curie lokacin da na'urar wuta (inductor) ke aiki. Wannan yana da mahimmanci musamman ga samfuran nickel-zinc ɗinmu da aka saba amfani da su, kamar inductor mai siffar I, inductor mai siffar sanda, da inductor nickel-zinc toroidal.

The Curie zafin jiki na gami foda core ne a kan 450 ℃, wanda shi ne kyakkyawa high. A wannan yanayin, ya kamata mu yi taka tsantsan game da yadda sauran abubuwan da ke cikin na'urar transfoma (inductor) za su iya sarrafa zafi.

Wannan labarin ya fito daga Intanet kuma nasa ne na ainihin mawallafinsa.