Matafin Hadin Dabbobi a Kable-kaboli na Tashidawa

Takaitaccen Skin Effect

Skin effect a cikin kungiyoyi na girmama yana nuna abu mai tsarki wadanda shi ne kungiyar tsohon girmama ya kafa da kyau a kan siffar girmaman, wanda yake so kuɗi masu iya kafa da kyau.

Skin effect ta ƙunshi hanyar da kungiyar tsohon girmama ya kafa da kyau a kan siffar girmaman, saboda haka kungiyar tsohon girmama ya kasance da kyau a kan siffar girmaman kuma ya zama da kyau har zuwa kofin girmaman. Wannan yana nuna cewa kofin girmaman ya kafa da kyau daga siffar girmaman, wanda yake so kuɗi masu iya kafa da kyau na girmaman.

Skin effect ta ci gaba da siffar girmaman don kungiyar tsohon girmama, wanda yake so kuɗi masu iya kafa da kyau na girmaman da kuma karfiyar girmaman. Yana bude ingantacce na kungiyoyi na girmama, wanda yake tabbatar da ci gaban kungiyar tsohon girmama da kungiyar tsohon girmaman. Wannan abu ya zama da kyau a kan mafi yawan adadin daɗi, mafi yawan siffar girmaman, da kuma mafi yawan kungiyar tsohon girmama.

Skin effect ba ta faru a cikin kungiyoyi na girmama tsohon girmaman (DC) saboda kungiyar tsohon girmama ta kafa da kyau a kan siffar girmaman. Amma a cikin kungiyoyi na girmama tsohon girmaman (AC), musamman waɗanda suke magana a kan mafi yawan adadin daɗi kamar radio da microwave, skin effect zai iya haɓaka masu amfani a kan takaitaccen kungiyoyi na girmama da kuma kungiyoyi na girmama.

Dalilai na Skin Effect

Skin effect ta faru saboda haɗin kimi da kungiyar tsohon girmama AC da girmaman. Kamar yadda aka nuna a cikin bayanan, idan kungiyar tsohon girmama AC ya kafa a kan girmaman mai siffar dubu, yana kafa jiki a kan girmaman da kuma a kan girmaman. Yadda da karamin jiki da kafin jiki ta zama da kyau a kan adadin daɗin da kungiyar tsohon girmama AC.

A cikin hukumomin Faraday ta electromagnetic induction, jiki na girmama mai yiwuwa ta yi nasara da kungiyar tsohon girmama a kan girmaman. Wannan kungiyar tsohon girmama, tare da karshe, ta yi nasara da kungiyar tsohon girmama maimakon girmaman, wanda ake kira kungiyar tsohon girmama eddy. Kungiyoyi na girmama eddy suna kafa da kyau a kan girmaman kuma suke yi nasara da kungiyar tsohon girmama AC.

Kungiyoyi na girmama eddy suna kafa da kyau a kan kofin girmaman, inda suke samu mafi yawan linkage da kungiyar tsohon girmama AC. Saboda haka, suke kafa nasara da kungiyar tsohon girmama maimakon girmaman da kuma ya zama da kyau, kuma suke ƙara kungiyar tsohon girmama a kan kofin girmaman. Duk da haka, a kan siffar girmaman, inda akwai mafi yawan linkage da kungiyar tsohon girmama AC, akwai kungiyoyi na girmama eddy da kyau kuma nasara da kungiyar tsohon girmama maimakon girmaman da kyau. Saboda haka, akwai mafi yawan kungiyar tsohon girmama a kan siffar girmaman.

Wannan abu ta nuna cewa kungiyar tsohon girmama ta kafa da kyau a kan siffar girmaman daga kofin girmaman. Wannan shine skin effect a cikin kungiyoyi na girmama.

Quantify of Skin Effect

Skin effect zai iya haɓaka da tunani da kungiyar tsohon girmama skin depth ko δ (delta), wanda shine zabubbukan da a kan siffar girmaman inda kungiyar tsohon girmama ya zama da 37% na kungiyar tsohon girmama a kan siffar girmaman. Zabubbukan da a kan siffar girmaman mai yawa shine cewa skin effect yana zama da kyau.

Skin depth ta ƙunshi abubuwa daban-daban, kamar:

Adadin daɗin da kungiyar tsohon girmama AC: Mafi yawan adadin daɗin yana nuna cewa jiki na girmama ta zama da kyau kuma kungiyoyi na girmama eddy suna kafa da kyau. Saboda haka, skin depth ta zama da kyau a kan mafi yawan adadin daɗin.

Kungiyar tsohon girmama na girmaman: Mafi yawan kungiyar tsohon girmama yana nuna cewa nasara da kungiyar tsohon girmama eddy ta zama da kyau. Saboda haka, skin depth ta zama da kyau a kan mafi yawan kungiyar tsohon girmama.

Permeability na girmaman: Mafi yawan permeability yana nuna cewa linkage da jiki na girmama ta zama da kyau kuma kungiyoyi na girmama eddy suna kafa da kyau. Saboda haka, skin depth ta zama da kyau a kan mafi yawan permeability.

Siffar girmaman: Siffon daɗe suna ƙunshi abubuwa daban-daban wadanda suke haɗa da jiki na girmama da kungiyoyi na girmama eddy. Saboda haka, skin depth ta ƙunshi da siffon daɗe na girmaman.

Tushen da ake amfani don haɓaka skin depth a kan girmaman mai siffar dubu shine:

δ shine skin depth (a kan mita)

ω shine angular frequency na kungiyar tsohon girmama AC (a kan radians per second)

μ shine permeability na girmaman (a kan henries per meter)

σ shine conductivity na girmaman (a kan siemens per meter)

Misali, a kan girmaman copper mai siffar dubu, wanda ya kafa a kan 10 MHz, skin depth shine:

Wannan yana nuna cewa kawai zabubbukan da 0.066 mm a kan siffar girmaman ta kafa da kyau a kan kungiyar tsohon girmama a kan wannan adadin daɗin.

Reduce of Skin Effects

Skin effects zai iya haɓaka abubuwa daban-daban a cikin kungiyoyi na girmama, kamar:

• Mafi yawan kuɗi masu iya kafa da kyau da kuma karfiyar girmaman, wanda yake ƙara alaƙar da zinloliya da kungiyoyi na girmama.

• Mafi yawan impedance da kuma jagorancin kungiyoyi na girmama, wanda yake ƙara alaƙar da ci gaban siffar da kungiyar tsohon girmama.

• Mafi yawan electromagnetic interference da kuma radiation daga kungiyoyi na girmama, wanda zai iya haɓaka abubuwa da ƙasashen daɗen da kuma kungiyoyi na girmama.

Saboda haka, yana bukata da a ƙara skin effect a cikin kungiyoyi na girmama da kyau. Abubuwa daban-daban za su iya haɓaka don a ƙara skin effects shine:

• Amfani da girmaman da mafi yawan kungiyar tsohon girmama da mafi yawan permeability, kamar copper ko silver, daga iron ko steel.

• Amfani da girmaman da mafi yawan siffar ko cross-sectional area yana ƙara yawan kungiyar tsohon girmama a kan siffar da kofin girmaman.

• Amfani da girmaman da zabubbukan daɗe ko braided girmaman daga solid girmaman yana ƙara effective surface area na girmaman da kuma ƙara kungiyoyi na girmama eddy. Wani ƙarin nau'i na zabubbukan daɗe na girmaman wanda ake kira litz wire an yanaye don a ƙara skin effect ta yi nasara da zabubbukan daɗe a kan kungiyar tsohon girmama.

• Amfani da girmaman da zabubbukan daɗe ko tubular girmaman daga solid girmaman yana ƙara weight da cost na girmaman bace ba yake ƙara performance na girmaman. Zabubbukan daɗen da a kan girmaman ba ta kafa da kyau saboda skin effect, saboda haka zai iya zama da kyau bace ba yake ƙara kungiyar tsohon girmama.

• Amfani da girmaman da zabubbukan daɗe parallel daga girmaman mafi yawan siffar yana ƙara effective cross-sectional area na girmaman da kuma ƙara resistance na girmaman. Wannan ƙarfin shine bundling ko transposition.

• Ƙara adadin daɗin da kungiyar tsohon girmama AC yana ƙara skin depth da kuma ƙara skin effect. Amma wannan ba zai iya haɓaka a kan wasu applications wanda suke magana a kan mafi yawan adadin daɗin.

Kammala

Skin effect shine abu mai tsarki wadanda yake faru a cikin kungiyoyi na girmama idan kungiyar tsohon girmama AC ta kafa a kan girmaman. Yana haɓaka cewa kungiyar tsohon girmama ta kafa da kyau a kan siffar girmaman daga kofin girmaman. Wannan yana so kuɗi masu iya kafa da kyau da kuma impedance na girmaman da kuma ƙara zinloliya da performance na girmaman.

Skin effect ta ƙunshi abubuwa daban-daban, kamar adadin daɗin, kungiyar tsohon girmama, permeability, da siffar girmaman. Zai iya haɓaka da amfani da parameter wanda ake kira skin depth, wanda shine zabubbukan da a kan siffar girmaman inda kungiyar tsohon girmama ya zama da 37% na kungiyar tsohon girmama a kan siffar girmaman.

Skin effect zai iya ƙara da amfani da abubuwa daban-daban, kamar amfani da girmaman da mafi yawan kungiyar tsohon girmama da mafi yawan permeability, mafi yawan siffar ko cross-sectional area, zabubbukan daɗe ko braided structure, hollow ko tubular shape, multiple parallel arrangements, ko mafi yawan adadin daɗin.

Skin effect shine abu mai muhimmanci a cikin electrical engineering wanda yake haɓaka takaitaccen kungiyoyi na girmama da kungiyoyi na girmama da ke amfani da kungiyar tsohon girmama AC. Yana bukata da a ƙara a kan takaitaccen type da size na girmaman don wasu applications da adadin daɗin.