Ka HomelinessNā mea hana a me nā pono

'O ke kumuhana, nā hi'ohi'ona, ka'ōnaehana hana a me ka'ōnaehana o ka pūnaewele o kahi manawa kūikawā

'A'ole i ho'omaka'ia ke kau o ka ho'olemo'ana i ka wā kahiko loa a no nā hanana'elua i ho'ololi maoli i ko mākou ala. E nānā a puni, ma kahi wale nō e maka ai ka maka, e'ike pono'oe i kekahi mea hana elela. Ho'ohana'ia nā kānaka i nā mīkini like'ole e kokoke ana i ka hana a pau, no ka mea, aia kekahi mea ma'amau, me he mea nei e like me kēia. Akā, e nānā kāua ma'ō aku o ka pale, e hūnā ana iā mākou i ka hana o ka'oihana ikaika a nā hoaaloha elekani. E iā mākou loina hooponopono a me ka mīkini hana wāwahie noonoo DC.

He hapa o ka mo'aukala

Ua mālama'ia ka mana'Eleka e nā Helene kahiko. Ua'ike'ia ka waiwai o ke amber e ho'okomo i nā mea'oko'a like'ole iā ia iho. Ua no'ono'o nā kānaka i kēia ke'ano o ka magnetism i loko o ka pahu. Akā ma hope mai ua'ike lākou i ka hiki'ana i nā mea'ē a'e e loa'a ka magnetism. 'O kekahi la'ana,'o ke kele i ka wā e holoi'ia ai, ua ho'omaka'ia e ho'ohuli i nā'ano kukui li'ili'i: nā'ōpana o ka pepa, ka lauoho a me ka lepo. No laila ua ho'omaopopo'ia ka hopena o ka mana ma kekahi kānāwai.

Ma hope iho, ma ka makahiki XVIII, ua hana'ia kahi pahuhopu o ka mana hana hou, ua bapetizo'ia e ka inoa o ka mea ho'opuka "Leiden bank." Ua hiki i kēia mīkini ma'alahi ke hō'ili'ili i ka uku, i ia manawa i mana'o'ia he'ano waimāmā, ho'okahe i nā mea kaupaona a hiki ke holo i kēlā me kēia kino i kekahi me ka wikiwiki keu - he mau mile i nā hapa o kekona.

I ka'ike'ia'ana o ka'okena a me kona mea hana a me ka electron, ua hā'ule nā mea a pau. Ua'ike nā kānaka'o ia nā electron e koi'ia nā mea i hana i nā hanana hiki'ole ke'ike'ia e like me nā ho'oili'ana o ka ho'okele. Akā,'oiai he mau helu wale nō. Me nā ho'okolohua o Faraday a me'Oersted, ho'omaka ka lewa, a mākou e'ike nei. Ka mea, invented keʻia mīkini hana wāwahie DC, manaʻo a me ka rula o ka hana ua muli ma ka kŰia o ka electromotive ikaika EMF.

'O ka ikaika o ka ne'e'ana o ka uila

I ka holo'ana o ka wai o ka muliwai i ka ho'onani'ana o ka honua, nā mea i ho'okomo'ia i ka mea alaka'i ke ho'oholo ka EMF. Ke pili pili nei kēia pu'upu'u i ka hanana magnetic,'o ia ho'i, ke'ike'ia i ka manawa i ho'ololi'ia ai ke kahe i hana'ia e ka mea ho'ololi. Hiki i ka EMF ke hana wale i loko o kahi waiwai kahi i loa'a mau ka uku. Hā'awi'ia kēia waiwai e nā metala a me nā mea'ai saline.

'O ka emf ka nui,'o ka'oi aku o ka loli o ka nui o nā hawewe magnetic. E like me kou'ike, he mau po'oko'a'elua ko ka magnet. E like me ke kuhikuhi i ho'ololi'ia ai ka loli e pili ana i ka mea ho'okele, ke holo nei ka mea ho'okele i kekahi ala a i'ole kekahi. 'O nā ho'opi'i kūpono a me nā mea pono'ole e hana i kekahi māina ike ma waena o mākou iho, a mākou i kapa aku he voltage,'o ia ka'oi aku,'o ka'oi aku ka ikaika o ka māmā elele o ka pahu.

He aha ka mea ho'ohui hila?

'O ka mana'o a i'ole ka mīkini e hiki ke ho'ohuli i nā mea hana ikaika i ka ikehu elela i kapa'ia'o ka mea uila kukui. 'O ke kumumana'o o ka hana a me ka'ōnaehana o ka mea hana pūnaewele kū i kēia manawa pili i ka magnetism. Inā e lawe i ka paʻa Mākēneki a me ka mea ku ei kana kahua o ka hoʻopilikia alakaʻi mele, o ka weuweu,ʻikea ka mana i poe koa, e hoʻoneʻe i kekahi ala e hiki aku, i ka hoopiiia (particles) - aia no heʻikena. Hiki ke hana'ia me kekahi mea ho'oili kū'oko'a a me kahi mea ho'oikaika ho'oikaika.

Hō'ike'ia, ua ho'okumu nā'epekema i ka nui o ka'oihana o kēia manawa,'o ka'oi nui:

  • 'O ka nui o ka momomi ma waena o nā lā'au o ka mea magnet.
  • 'O ka māmā o ke kau'ana o nā laina laina.
  • 'O ka lō'ihi o ke kani uila.

Akā, inā ua ho'one'e'ia ka mea ho'okele i ke kūlana o ka holo'ana,'a'ole i'ike'ia kekahi mea i loko. Ua alaka'i'ia kēia i ke kānāwai o ka lima'ākau, e kōkua ana e ho'omaopopo i kahi o ka ne'e'ana i kēia manawa. Ke ho'okomo'ia ka lima o ka'ao'ao'ākau o ke kino i ka lima o ka lima i hiki i nā laina āpau o ka māla ho'onā i komo i loko, a kulou ka lima a kuhikuhi i ke kahi e ne'e ai ka mea ho'okele, e hō'ike nā'ōpana'ehā i koe i ke ala o kēia manawa. I ka magnet, ho'oku'i'ia ka māmā o ke kahua mai ka'ākau a hiki i ke kūkulu hema.

'O ka hana hana o ka meahana papahana

'O ke'ano o ka hana a me ka'ōnaehana o ka mea hana manawa mau o kekahi'ano'ano like'ole: penei ke hana'ana o ke ki'i i nā ki'i halihali i kēia manawa, ua kau'ia ma luna o ke ko'i a kaomi ma waena o nā pole o ka māne. Ho'opili'ia kēlā me kēia me ke kaulike o ke ki'iku'i i kona mea e ho'opili ai, e like me kahi pā. 'O ka hui like, he'ōpuni ia, a ua haehae'ia ma nā helu'elua. Ua pili pono kēia mau mea ma'amau i ka hopena o nā kumuhana. Lawe lākou i kēia.

Ma ka hakahaka, e kau'ia ka pilina pili i nā mea e ho'opili ai i hiki i kēlā me kēia hapalua o nā māhele o ka momona nui nui ke kau i kekahi i kekahi, ua pani'ia nā pīpī i nā mea e pa'a ai. Ke hele nā māmā a me ka māhele o ka holo'ana ma nā laina - e wehe'ia nā leka uila i ka Luna Dute.

Inā'oe e pilikino i ka oscilloscope, hiki iā'oe ke'ike i ke'ano o ka lolohana generator DC a me ke'ano o ka'oihana e hana ai i kahi hui o nā hawewe e kū ma kekahi'ao'ao o nā kikowaena a ho'ololi i ka waiwai mai ka zero ai ka ki'eki'e loa a i ka'ole. 'O ke alapine o kā lākou hahai'ana ma muli o ka māmā o ka holo'ana o ke kī. 'O ke'ano o ka holo'ana o kēia pūnaewele i kekahi'ao'ao (mau loa), akā, he helehelena puls.

Ke kulekele o ka hana a me ka mea hana o ka pūnaewele o kahi manawa kūikawā

Loa'a ka pa'akikī o ka manawaena o kēia manawa,'oiai'a'ole ka'oko'a o ka hana o ka hana i ka mea i mana'o'ia ma luna. Ma kahi o kahi kiko ho'okahi a me'elua mau hui semicircular, nui kona mau papa a me nā pilina o ka mea lawe. 'O ka mea mua, ho'onui i ka mana o ia mīkini, a'o ka lua, ua ma'alahi ke ala o ka'ōpili o kēia manawa, no ka mea, ke hana nei kēlā me kēia pahu i kona ha'alikai pono'ī, a, e ho'olālā i kekahi i kekahi, e hana i kahi i kēia manawa. Ua kapa'ia kēia'ano pūnaewele ho'ohālikelike he heleuma a i'ole he rotor.

Ho'oponopono'ia ka māne o ka pūnaewele. Ho'ohana'ia kāna mea e kekahi electromagnet i loko o ka makani a me ke kumu. Ke ho'ohana nei i nā elele elele, hiki iā'oe ke hana i kahi momona nui nui, kahi'oi aku ma mua o ka mana o ka mea mau loa. Eia hou, hiki ke loli ke kahe. 'O ka hapa pani o ka pūnaewele'o ia ka stator.

Ma muli o ke'ano hana o ka mīkini i ka holo'ana o ke kaula, ua'ike'ia nā'ano ma lalo o ka stator a me ke rotor:

  1. 'A'ole ho'okau'ia kekahi ukana i ka pūnaewele. I ke'ano o ka hana ma'alahi, hana ka mea kaua i ka ho'ololi, ua ho'okomo'ia ka EMF ma ia mea, akā'a'ohe manawa i loko o ka hamo, no ka mea,'a'ole i pani'ia ka'ahamele.
  2. 'O ka lolo uila DC, ka mea e pili ana i ka alaka'i pūnaewele i ka alaka'i, e hana ana i ka mode load. I kēia hihia, ke holo nei ka holo'ana i loko o ka mea ho'olālā a'ike'ia kahi'āpana hou -'o ka momona pūnaewele i hana'ia e ka mea ho'olima ('ōlelo ho'okipa). Holo kēia kahawai i kahi kuhikuhi e kuhikuhi i nā laina nui o ka mana i hana'ia e ka mea koho. Ma muli o ka hopena, e emi iho ka EMF maoli,'o ia ho'i, ua emi ka mana o ka mea hana. A'o ka'oi aku o ka ho'okupu o ka generator,'o ka'oi aku o ka ikaika e ho'onā i ka hopena o ka mea hana i ka wā e pihi ai ke kumu.

No ka ho'okō'ana i ka momomi o ka mea hana, ka mea i kapa'ia he'omi makani ho'opa'i'ia i loko o ka'enekini rotor, kahi i ho'okumu'ia ai ka punawai magnetic, e ho'onāwaliwali ai i ka pane hana lima.

Nā'ano o nā'enehana e hana ana i ka uila mau

'O ka kulekele o ka hana a me ka ho'onohonoho'ana o nā meahana ma'amau a DC ke'ano like'ole i ka ho'okō'ia o ka ka'a ka'ina. 'O lākou nei:

  • Magnetoelectric. Ho'ohana lākou i nā mea hana lō'ihi e hana i kahi pūnaeho nui. 'O kēlā mau mīkini, he mau'oihana ha'aha'a, he ki'eki'e ka maika'i, no ka mea,'a'ohe hemahema i nā puka makani. 'O ka nele o nā mea i loko o ka pa'akikī o ka ho'oponopono.
  • Nā hanahana me kahi ka'ahele ho'okipa kū'oko'a. Eia nā'ōpili i ho'oili'ia ka puhi'ana i nā electromagnets mai nā kumuhana o waho: kahi pākahi a pūnaewele paha.
  • Nā hanahana DC. Hā'awi nā mea lawelawe i nā elele i ko lākou mau heleuma pono'ī. 'O ke kumu nui no ka hau'oli'ana,'o ia ke koena o ka momona magnetic. 'O ka ho'olālā,'o ka loiloi o ka hana o nā pūnaewele a me ka'āpana o ka ho'ouka'ana, he pūnaewele, shunt a serial.

Ke kulekele o ka hana a me ka mea hana o ka pūnaewele mai ka makani ka'a

'O ke kumumana'o o ka ho'ololi'ana o nā mīkini kelepona e hō'ike ana e hiki ke ho'ololi i kekahi ka'a uila i loko o ka pūnaewele a me ka hope. Ma hope o nā mea a pau, ua ho'ohana'ia kēia mau polokalamu'elua o EMF i loko, ma ke'ano he kumu o kā lākou hana. 'O ka ka'a wale nō he eletisela i ho'ohana'ia i ka rotor, a'o ia ka hana'ana i kahi momona momona, ho'opi'i mai nā lā'au o ka magnor magnetic, e hana i ka holo'ana.

Inā ho'ololi ke'ea ka'a i kekahi holo, ho'omaka ka ho'okomo'ana i nā hoohui ho'okomo i loko o nā pahu hana ho'onā a me ka holo'ana o ke kahe. 'O ka palena wale nō i loko o ka mānoanoa o ka uaea ke'ake'a hō'ailona. Ke lahilahi ke aho, a laila,'a'ole hiki ke loa'a ka mana hou mai kēia pūnaewele.

Mahea i loa'a iā'oe ka punaewele DC?

'Oiai'o ka loli mau loa e hiki ke loa'a ma o ke ala e ho'oponopono ai i kahi'ano'ē a'e, ho'ohana nui'ia ka pūnaewele DC. 'O ke kumumana'o o ka hana, pono ka'ōnaehana o ia mīkini i loko o nā'oihana'oihana, i loko o nā mea i'ike'ia me ka'ike pono'ole o nā mea kanu. I ka'oihana halihali, ua hana nā pūnaewele i nā locomotives elekene, nā moku moku. E hoolako i ka pīhoihoiʻanuʻu o alternators ma ka mana kanu i kekahi mau mea kōkua ma kumu o DC. No nā loina o ka hale, ua ho'omohala'ia nā mīkini dynamo-current. Hiki ke'ike'ia lākou ma nā ka'a, kahi e hānai ai lākou i nā kukui.

Ka Hopena

'Oiho nā'ōnaehana o ka polarity mau no ka hiki iā lākou ke ho'oku'i i ka uila ma nā'ōmole rotation o ke kumu. 'A'ole pono lākou e pale i kahi alapine o ke alapine, e like me ka la'ana, ma nā mea hou, kahi i 50 Hz. He mea ma'alahi kēia mau mīkini e ho'ohana ai i mea e like me nā mea e like me ka hela uila, e like me nā hi'ohi'ona makani.

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