PakihiAhumahi

AC mana. DC a AC nāianei

Tetahi tangata e kua whiriwhiria ki te mahi ki te engineering hiko rite te tikanga, kia matau rawa pai aha e nga puna o supply, me te ratou āhuatanga me ngā rerekētanga. I roto i te meka, kahore faingataa, rite ka whakaatu tatou i roto i tenei tuhinga.

Ko reira pakeke ki te whakaaro me pehea e titiro ngaro ao hou i tona pūngao hiko me pūrere hāngai ana. Pea, tonu e whakamahi te taata engines steam me te mana uaua o te kararehe, me o ratou teina ake. e kore e taea e tetahi te mea rite nei kitea tuatahi i te pūngao hiko: hei tauira, spinners i Hiria i tahito whakamahia te taonga amipere magnetized (electrified), tamata Aristotle ki te tūhura i te taea o hihi hiko, engari te mea e pā ana ki i te ati o te uira, kua mohiotia mai te timatanga o te ao (kahore he mea whakamiharo koropiko etahi iwi ia).

He nāianei hiko ko o rua ngā momo - AC me DC. He tika ki tona tikanga faaineineraa tenei rerekētanga. Nä, whakarato te puna mana AC he nāianei o te momo tuatahi me te tamau - tuarua. E te ara, i konei te wehenga ki "tuatahi - tuarua" herenga. I roto i te engineering hiko, whakamahia te rite te supply mana AC me DC. Kia tatou haamana'o etahi ariā.

tohu Tetahi nāianei hiko he kaupapa o matūriki whakatupato whakahaua taha te rauemi conductive o te EMF Ākinga Pūngao. mahi-waho rite ki te tahi mau irahiko i te āmionga waho o ngota, atu rawaka pūngao ki te hinga i te attraction o te karihi. Ka rite ki te hua, i reira he kawe tiaki noa - irahiko me ngā katote. E ai ki te ture o te atawhai o te pūngao, te tukanga o matūriki tauhono tūturu i te ngota e karapoti ana i ngā pae ripekapeka. Te kore te hanganga urupare waho o te rauemi faaho'ihia mai te. Heoi, ki te te hono te pēne ki te puna o te Ākinga Pūngao, tataki ratou te mara hangaia ki te tauhono i roto i te aronga tika - he nāianei hiko. AC mau tohu generator emf pere nei takotoranga rerekē ia wā whakamuri. No reira "tāupe" te ingoa. AC supply te mana i roto i te nuinga o te wā māngai e te kaha whakaputa - generators i roto i ngā tipu te mana hou hua rite tauutuutu nāianei. He nui ake pono i roto i te mahi, me te ngāwari ki te mau tonu ratou, atu i te tauira tango hoki DC. Kei te maha nga puna mana hoahoa AC whakaritea e te porohita ki te poipoi i roto. Tenei poipoi - he whakapakoko tohu o te ngaru aho.

AC pūtake hua kaupapa o te matūriki kore anake ki te huri te aronga, engari he "tētē" uara kaha. sinusoid Sheer tohu e wā haere te uara i roto i te kore.

I runga i te parau tumu mana DC hāngai tino rerekē. hanga ratou he kaiwhakahaere tamau mara hiko i roto i te ahunga o te hanga Anga tiaki matūriki kaupapa he. Kei te whakaaro te reira e rere te nāianei i pai ki te whakapā tōraro (i pai ki tōraro). I roto i te vairaa mau, neke nga irahiko i roto i te huarahi i te ritenga - i tango ki me. Mai te mea kino te tiaki o te irahiko kotahi, te kāpeka ki te "haunga" tohu tohu te taikaha o te matūriki (konei te tiaki katoa). I runga i te meka e kukume te matūriki tahi oppositely whakatupato ia atu, ehara i te mea uaua ki te imi e neke nga irahiko i roto i te faatere i te "tango" i te "me". Whakaaetia huringa tāwhaiwhai o te uara o nāianei - o tenei nāianei kore e mutu ki te kia pūmau. He maha rongoā rerekē ki te tahuri te nāianei tika ki tauutuutu (generators poipoi aho) me te hurihia (rectifiers, piriti).

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