Na fasaharLantarki

Inda akwai wani lantarki filin makamashi na capacitor

Hagu kansu, biyu kamar lantarki cajin ba ka so a yi wani abu da ya yi da juna. Su tashi, su tafi kamar yadda azumi kamar yadda za su iya. Saboda haka, idan barbashi suna tilasta su tafi ga juna (kamar yadda ya faru, misali, a lokacin da cajin jari), su cikakken tsayayya da wannan, da kuma karuwa da taro na cajin yawa a cikin wani shugaba, a wasu makamashi da dole ne a ciyar.

A wani a tsaye jihar, wannan makamashi ba used da aka rasa. An adana a cikin nau'i na wani lantarki filin - wani irin tashin hankali a cikin sarari tsakanin caje barbashi - Muddin cajin taro an rage, kuma suka sake za su sami ikon zuwa free motsi.

A wannan yanayin, zargin tara makamashi ta amfani da wutar lantarki filayen don saye da hanzari a cikin hanyar.

A capacitor ne a bangaren na mai kewaye musamman tsara don ajiya na lantarki filin.

A samar da makamashi na lantarki filin capacitor shi ne tushen da amfani da yawa a cikin wuta da lantarki da na'urorin.

Simple dabaru nuna cewa capacitor da aka caje su da wani irin ƙarfin lantarki V, Ga cimma wani sabon matsayi na bukatar QV joules da makamashi, da kuma wannan daraja ne daidai kõme ba, fãce da makamashi na lantarki filin daga cikin capacitor, tara a cikinta, kuma a shirye don amfani.

Abin baƙin ciki, kowa hankali a nan misfires. Idan ka ji da kyau bayan shan gilashin giya, shi ba ya nufin cewa za ka ji daidai biyu sau mafi bayan shan na biyu.

A gaskiya, kamar yadda na haduwa da tuhumar da suke yi tsayayya da shi kuma da nacewa. Babu shakka cewa muna da ake rubutu a nan tare da wani da ba mikakke tsari.

Bari mu ga yadda makamashi na lantarki filin daga cikin capacitor ne m wani sauki gwajin.

An sani cewa yanzu aka bayyana a matsayin kudi a da cajin motsa. Saboda haka, idan wani capacitor da aka haɗa ta m halin yanzu source, da cajin Q zai tara a kan faranti a akai gudun.

Misali mu dauki uncharged capacitor da kuma gama da shi zuwa ga samar da lantarki, wanda ya samar da wani m caji halin yanzu I.

A irin ƙarfin lantarki a capacitor farawa a sifili kuma qara linearly har da capacitor da aka cika da caji. Sa'an nan kuma ya tsaya a nan ba. Mun kira wannan darajar ne matsakaicin ƙarfin lantarki V.

A talakawan ƙarfin lantarki a capacitor lokacin caji ne (V / 2) da kuma talakawan ikon, bi da bi, Ina (V / 2). A capacitor da aka caje a lokaci T seconds haka cewa makamashi da lantarki filin capacitor, a cajin da aka adana a cikin tsari daidai TI (V / 2).

W = 1 / 2QV = 1 / 2CV

Duk da kasancewar wata babbar lamba na masu girma dabam, da capacitor ba shi da na'urar musamman bambancin.

Mafi yawansu ba su kunshi biyu a layi daya faranti rabu da wani dielectric. Wani lokaci, ya cece sarari, wannan gurasar ne birgima a cikin wani bututu kamar yi. Kuma a wasu lokuta suna da mahara yadudduka, a wani hanya da alaka da juna.

Lissafin lokuttan capacitance kunsha na biyu karfe faranti, da san jiki size yawanci ba wuya, kazalika da lissafi na resultant capacitance a jerin ko layi daya dangane da capacitors.

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