Farantin capacitor da na'urar

Biyu lebur faranti zubar layi daya da juna da kuma rabu da wani dielectric, qumshi lebur capacitor. Wannan shi ne mafi sauki wakilin capacitors, wanda aka tsara domin jari heteronymic makamashi. Idan farantin ne ya sanar da cajin daidaita a girma amma gaban a modulus, da ƙarfin lantarki filin tsakanin conductors za a ninki biyu. Cajin rabo na daya daga cikin conductors da irin ƙarfin lantarki tsakanin capacitor faranti kira lantarki iya aiki:

C = q / U

Idan tsari daga cikin faranti ne m, da lantarki damar da capacitor za a iya daukan m ga wani cajin conductors. A cikin kasa da kasa tsarin raka'a lantarki damar - Farad (F). Flat capacitor yana da wani irin ƙarfin lantarki daidaita da Naira Miliyan Xari da intensities generated conductors (E ₁ + E ₂ ... + E _n ). Vector girma. Tamanin da lantarki iya aiki ne kai tsaye na gwargwado ga yankin na faranti da inversely na gwargwado ga nesa therebetween. Wannan yana nufin cewa, domin kara lantarki capacitance na capacitor, shi wajibi ne don yin yankin da ya fi girma faranti, yayin da rage tazarar dake tsakanin su. Dangane da dielectric farantin capacitor iya zama:

• Takarda.
• Mika.
• Polystyrene.
• Yumbu.
• Iska.

Ka'idar da na'urar, la'akari da misali da wata takarda capacitor. Takarda bi da paraffin, da ake amfani a wannan harka, kamar yadda dielectric. Aza dielectric tsakanin biyu tsare tube wanda bauta kamar yadda conductors. A gaba dayan tsarin da aka yi birgima sama, a cikinsa karshe aka saka don dangane da wani lantarki kewaye. Wannan tsari ne sanya a cikin wani yumbu ko karfe gidaje. Flat iska capacitor da sauran cajin ajiya na'urori masu irin wannan tsarin, kamar yadda matsakaici amfani dielectric kayan, wanda aka mai suna a cikin girmamawa ga capacitor da kanta. Lokacin da warware matsaloli, a cikin abin da ya zama dole a samu da ba a sani ba yawa, kada ka manta da su yi amfani da yawa characterizing insulator - dielectric akai na matsakaici.

A rediyo yana amfani da ruwa da kuma bushe -daban na capacitors. Liquid capacitors ne electrolytic bayani, a cikin abin da oxidized aluminum farantin an sanya. Yana da wannan abu a cikin wani karfe hali. A electrolyte ne wani bayani da boric acid da kuma wasu sauran cakuda. Dry ajiya irin kafa ta nadawa uku tube, daya aluminum da sauran - a karfe, da kuma tsakanin su - a Layer na gauze impregnated da danko sosai electrolyte. A yi aka sanya a cikin wani aluminum hali da kuma cika da bitumen. Farantin capacitor yana da fadi da kewayon aikace-aikace da kuma low cost. Abin baƙin ciki, wadannan model ba zai maye gurbin mu batura saboda makamashi jirgin capacitor ne kadan, da kuma caji sosai da sauri, "leaked". Su ba su dace a matsayin tushen da wutar lantarki, amma suna da daya amfani - idan ana caji, ta hanyar low-juriya kewaye nan take ba da adana makamashi.