Nke technologyElectronics

The usoro njikọ nke capacitors dị ka otu nhọrọ nhọrọ capacitance

Condenser - a nnọọ nkịtị radio mmiri, nke a na-hụrụ na ihe niile echiche. Ọ mejupụtara abụọ eduzi iche site na a dielectric (dabere na ụdị capacitors mee ya iche iche na ụdị), i.e. ahụ a circuit, ma ihe-ndebe nwere ike na-akwakọba na dielectric. The isi e ji mara nke ọ bụla capacitor bụ ike ịchekwa ụgwọ - capacitance na gosiri voltaji nke eletriki ụgwọ. The electrolytic capacitors nwere polarities, na-ji a nnukwu ike na a dịgasị iche iche nke voltages, akwụkwọ idi oké nchegbu, ma nwere obere ikike. E nwekwara ngwaọrụ na mgbanwe ike, ma onye ọ bụla ụdị - ya ngwa.

Ọtụtụ mgbe hams na-eche nsogbu nke nhọrọ nke capacitors nke capacitance ma ọ bụ ụcha ọkụ. Professionals maara: na-anọghị nke nri, i nwere ike na-anakọta a Nchikota ọtụtụ ngwá, tinyere na batrị ahụ. Na jikọtara batrị na-ekwe, ndị ahụ yiri ibe na usoro njikọ nke capacitors.

Ijikọ ngwaọrụ ke ukem, ọ bụ ike iji nweta na-abawanye na ikike. General a batrị ga-hà na nchikota nke niile capacitances (Ceq. = C1 + C2 + ...), na voltaji na onye ọ bụla mmewere ga-hà. Nke a pụtara na kacha nta voltaji nke capacitor, na compound nke etinyere, bụ kacha maka dum batrị.

Series njikọ nke capacitors eji na a bụrụ na ebe ọ dị mkpa ka iwelie voltaji nwere ike idi ihe ngwa ma ọ bụ belata ha ikike. Na nke a n'onwe, ọcha na-ejikọrọ dị ka ndị a: na-amalite na otu njedebe nke ndị ọzọ, nke ahụ bụ "plus" ka a "mwepu" ndị ọzọ. Ike Ẹkot capacitor na nke a na-gbakọọ na-esonụ usoro :. 1 / Ceq = 1 / C1 + 1 / C2 + ... Site site na nke a, na abụọ capacitors Ceq = C1 * C2 / (C1 + C2), ya mere, batrị ike ga- erughị kacha nta ikike, eji na ya.

Capacitor akụ mgbe na-enye a jikọtara (mbuaha)
Jikọọ. Gbakọọ capacitance nke ndị dị otú a ngwaọrụ nke etinyere yiri na usoro njikọ nke capacitors, circuit waba ngalaba, mgbe successively gbakọọ ike nke ọ bụla n'ime ha. N'ihi ya, gbakọọ capacitance C12 = C1 + C2, mgbe ahụ, Ceq = C12 * C3 / (C3 + C12).

Site na oruru nke capacitor mmiri dị iche iche na configurations na ndokwa
njikọ, ị nwere ike bulie bụla ikike ọ bụla nwere mmasị voltaji. Series njikọ nke capacitors, nakwa dị ka jikọtara, eji na ọtụtụ njikere mere amu amu na sekit na sekit. Na nke a ọ ga-gaa na akaụntụ eziokwu ahụ bụ na onye ọ bụla capacitor nwere a dị nnọọ mkpa onye oke - nke leakage ugbu a, ọ nwere ike unbalance voltaji ke ukem njikọ na capacitance na usoro. Ọ dị ezigbo mkpa iji họrọ chọrọ shunt eguzogide.

Mgbe na-arụ ọrụ capacitors na ngwá electronic, echefukwala banyere iwu nke onye nche na iyi egwu nke electric ujo.

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