HangangaPūtaiao

Ture a Kirchhoff i elekrotehnike

I roto i te tātaitanga o ara iahiko hiko AC, me te DC haunga tātai rongonui Ohm tono ano te ture a Kirchhoff. Ko te tangata, ko tona mahi e pā ana ki te engineering hiko, me ara i te po, kei ruarua ki te hoatu whakamāramatanga mo ia o nga ture e rua. E mea pinepine e kore te mea e tika ana ki te mahi i ngā tātaitanga rite nui rite mo te māramatanga o te tukanga.

Hoki i 1845, te ahupūngao Tiamana Gustav Kirhgof i runga i nga mahi a Maxwell (tiaki o tiaki, me ngā āhuatanga o te mara hiko) whakatakoto e rua ngā ture mō te tautuhi ana i te hononga i waenganui i te ngaohiko me te nāianei i roto i te ara iahiko hiko kuiti. hanga tenei reira taea ki te whakaoti tata tetahi raruraru tono e pā ana ki te hiko. whakamahia te ture a Kirchhoff ki te tātai i te iahiko hiko rārangi, ka taea e te reira ki te whiwhi i te pūnaha puāwaitanga o whārite rārangi e tango ki pūkete te ngaohiko me ngā e riro mohiotia i muri i te mahi.

kī ana te kupu i te whakamahi o ngā hiko "kōpuku haaati me manga." Manga - Ko tetahi ara taiawhio rua-tapa, he roa te noho o ia. Ara iahiko - he pūnaha manga e hawata ana, ko e, tīmata i te kaupapa hinengaro o tetahi pūwāhi i runga i tetahi peka, i roto i te mutunga tonu tiki ki te wahi i reira timata te kaupapa. peka atu mahinongofua i huaina "pukapuka i runga i", ahakoa kahore he tika katoa tenei. Kōpuku - he wāhi i rua, neke atu rānei e manga.

Ko te tino māmā 1 te ture a Kirchhoff. Kei te hāngai te reira i runga i te ture tumu o te tiaki o te tiaki. kī te ture tuatahi a Kirchhoff: te moni o ngā (taurangi), rere iho nga manga ki te kōpuku kotahi he rite ki te kore. Ko, I1 + I2 + i3 = 0. kua riro te reira hoki nga tātaitanga e te uara o ngā rerengia ki kōpuku he "+" tohu me te hua "-". Na riro te tātai i te tirohanga whänui o te I1 + I2 - i3 = 0. I roto i te mau parau te tahi atu, he rite ki te maha o ngaa te nui o nāianei e rerengia ana ki te kōpuku. Ko te tino nui hoki te māramatanga o te mau parau tumu o te taputapu hiko ture o tenei Kirchhoff. Hei tauira, whakamārama reira he aha ka tūhono i te kopiko pūkaha hiko i runga i te "whetū" ranei "tapatoru" he kahore interphase taiawhio poto.

Kei te tikanga ture 2 Kirchhoff o whakamahia ki te tātai i te koropiko kati ki te nui etahi o manga. Kei te tika ia faatanohia te reira ki te toru o nga ture o Maxwell (tonu autō). kī ana te ture e makaka te moni taurangi o te ngaohiko i runga i ia o nga manga iahiko he rite ki te moni o te uara emf tatau mo peka katoa o te ara iahiko. Ko reira kitea e i roto i te ngaro o te taiawhio kati o te puna mana hiko (EDS), ka hoki te ngaohiko maturuturunga hua kia kore. I roto i te atu ngā ohie, kua tahuri te puna o te pūngao anake ki nga kiritaki, me te whāinga i hoki mai ki tona uara taketake. Mā te tenei ture kua he maha o ngā āhuatanga, kei te take ki te tuatahi rite.

Tito whārite iahiko, kua riro te reira e te uara ā-tau o te Ākinga Pūngao he tohu pai ka ko te tīmatanga o te aronga whiwhi karo ara iahiko (tikanga tākaraka) hāngai ki tona aronga, me kino ki te he te ritenga nga tohutohu. Ko te taua pā ki te iahiko: ka ko te rite i o te karo tīpakohia te aronga o nāianei, te maturuturunga iho ngaohiko pēnei runga reira te ki "+" tohu. Hei tauira, E1 - E2 + E3 = I1R1 - I2R2 + I3R3 + I4R4 ...

Ka rite ki te hua, hipa nga manga katoa no ki te wāhanga iahiko o te pūnaha o ngā whārite rārangi, whakaoti i, he reira taea ki te ako manga nāianei katoa (me ngā waeine). Faatiti'aifarohia te whanaunga whiwhi i te tikanga o ngā koropiko.

He uaua ki te pe si◊aki te faufaa o ture a Kirchhoff mō te engineering hiko. Whakangāwari o whārite tuhituhi me ratou otinga i te tikanga o te taurangi puāwaitanga ko te take mo te whakamahi whānui.

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