A inductive reactance zuwa AC kewaye

Resistance a cikin wutar lantarki kewaye shi ne na biyu iri - aiki da mai amsawa. Active wakilta resistors, Lagwani, dumama coils da sauransu. A wasu kalmomin, dukan abubuwa a cikin abin da na yanzu da kwarara da aka kai tsaye aikin amfani aiki ko, in na musamman harka, don samar da ake so dumama shugaba. Bi da bi, da jet - laima lokaci. Yana nufin da capacitive da inductive reactance. A kewaye abubuwa da ciwon reactance, da nassi na lantarki faruwa daban-daban matsakaici makamashi hira. A capacitor (capacitance) accumulates da cajin, sa'an nan ta aika da shi zuwa ga madauki. Wani misali - da inductive reactance na nada, cikinsa da rabo daga lantarki da makamashi yana tuba a cikin wani Magnetic filin.

A gaskiya, "m" ko aiki reactances ba. Koyaushe kishiyar bangaren ne ba. Alal misali, lokacin da kirga da wayoyi don nesa ikon Lines, ya yi la'akari da ba kawai da juriya, amma kuma capacitive. Kuma idan akai la'akari da inductive reactance, shi dole ne a tuna da cewa duka biyu da conductors da wutar lantarki suna yin wasu canje-canje a cikin lissafin.

By kayyade total juriya na kewaye da rabo, shi wajibi ne don ninka da aiki da mai amsawa aka gyara. Bugu da ƙari, don samun wani kai tsaye Naira Miliyan Xari da saba ilmin lissafi ayyukan ba zai yiwu ba, don haka amfani da lissafi (vector) hanyar gina. Gina wani dama alwatika wanda cathetus biyu ne aiki da kuma inductive impedance, da kuma hypotenuse - full. A tsawon segments m zuwa yanzu dabi'u.

La'akari da inductive reactance zuwa AC kewaye. Wakiltar wani sauki kewaye kunshi wani ikon source (emf, E), a resistor (resistive bangaren, R) da kuma nada (inductance, L). Tun da inductive reactance ne saboda kai-jawo EMF (E B) a cikin jũya na nada, shi ne bayyananne cewa shi qara da kewaye inductance da karuwa darajar yanzu gudãna ta hanyar da kewaye.

Ohm ta doka ga wannan rangadi kama:

E + E B = I * R.

Bayan kayyade lokaci wanda aka samu da na yanzu (I PR) yin lissafi da kai-shigar da:

E si = -L * Na Ave.

"-" ãyã a cikin lissafi ya nuna cewa sakamakon E si directed a kan canza halin yanzu darajar. Lenz mulki ya furta cewa, idan akwai wani canji zuwa yanzu kai-jawo EMF. Tun da irin wannan canje-canje a haihuwarka AC ne na halitta (kuma suka kasance mãsu), da E B suranta wani gwaji juriya ko da ma gaskiya juriya. Idan akwai wani mai ikon source na kai tsaye halin yanzu , wannan dangantaka shi ne ba su gamsu da lokacin da wani yunkurin connect da nada (inductance) a cikin irin wannan rangadi, dã gajarta da'ira faru classic

Don shawo kan E B wutar lantarki dole ne samar da wani m bambanci a cikin nada binciken da cewa shi ya isa, a kalla a kan E si juriya diyya. Yana haka:

U = -E cat si.

A wasu kalmomin, da irin ƙarfin lantarki a fadin inductor ne numerically daidaita da electromotive karfi na kai-shigar da.

Tun da kara halin yanzu a cikin kewaye qara Magnetic filin bi da bi ya haifar Eddy filin haddasa girma a countercurrent inductance, wanda zai iya gaya cewa akwai wani lokaci motsa tsakanin ƙarfin lantarki da kuma na yanzu. Saboda haka daya alama: saboda kai-shigar da EMF hana wani canji a cikin halin yanzu, a lokacin da ta ƙãra (na farko kwata tsawon wata sinusoid a) counter filin da aka generated, amma fall (karo na biyu) a kan m - da jawo halin yanzu shi ne codirectional da tushe. Wannan shi ne, idan hakan ba da wanzuwar wani manufa ikon source ba tare da ciki juriya da kuma inductance ba tare da aiki bangaren, da vibration makamashi "source - nada" iya faruwa illa ma sha Allahu.