Te mōhiotanga o te whakawhiti

He taputapu te whakawhiti hiko e whakamahi ana i te mātāpono o te whakapūnga hiko hiko hei whakawhiti i te ngaohiko AC. Ko ōna wāhanga matua ko te koiri tuatahi, te koiri tuarua me te matua rino.

I roto i te umanga hikohiko, ka kitea pinepine te atarangi o te whakawhiti hiko, ko te mea tino noa ko te whakamahi i roto i te puna hiko hei hurihanga ngaohiko, hei wehewehe.

I roto i te poto, ko te ōwehenga ngaohiko o ngā koiri tuatahi me te tuarua he rite ki te ōwehenga hurihanga o ngā koiri tuatahi me te tuarua. Nō reira, ki te hiahia koe ki te whakaputa i ngā ngaohiko rerekē, ka taea e koe te whakarerekē i te ōwehenga hurihanga o ngā koiri.

E ai ki ngā auau mahi rerekē o ngā whakawhiti hiko, ka taea te wehewehe i ēnei ki ngā whakawhiti hiko auau-iti me ngā whakawhiti hiko auau-tiketike. Hei tauira, i roto i te oranga o ia rā, ko te auau o te auau mana ko te 50Hz. Ka kiia ngā whakawhiti hiko e mahi ana i tēnei auau he whakawhiti hiko auau-iti; ka taea e te auau mahi o te whakawhiti hiko auau-tiketike te eke ki ngā tekau kHz ki ngā rau kHz.

He iti ake te rōrahi o te whakawhiti auau-tiketike i tō te whakawhiti auau-iti me te mana putanga ōrite

He wāhanga nui te whakawhiti hiko i roto i te ara iahiko hiko. Ki te hiahia koe ki te whakaiti i te rōrahi me te whakarite i te mana putanga, me whakamahi koe i tētahi whakawhiti auau-teitei. Nō reira, ka whakamahia ngā whakawhiti auau-teitei i roto i ngā pūtake hiko whakawhiti.

He rite tonu te kaupapa mahi a te whakawhiti auau teitei me te whakawhiti auau iti, e ahu mai ana i te kaupapa o te whakapūtanga hikohiko. Heoi, mō ngā rauemi, he rerekē ngā rauemi e whakamahia ana e ō rātou "matua".

Ko te matua rino o te whakawhiti auau-iti he maha ngā rau maitai silicon e whakarārangihia ana, ko te matua rino o te whakawhiti auau-tiketike he mea tito mai i ngā rauemi aukume auau-tiketike (pērā i te ferrite). (Nō reira, ko te matua rino o te whakawhiti auau-tiketike e kiia ana ko te matua aukume).

I roto i te ara iahiko tuku hiko ngaohiko DC kua whakapūmautia, ka tukuna e te huringa auau-iti te tohu ngaru sine.

I roto i te ara iahiko tuku hiko whakawhiti, ka tukuna e te whakawhiti auau-tiketike te tohu ngaru tapawhā auau-tiketike.

I te mana kua whakatauria, ko te ōwehenga i waenga i te mana putanga me te mana whakauru o te whakawhiti hiko ka kiia ko te whai huatanga o te whakawhiti hiko. Ina rite te mana putanga o te whakawhiti hiko ki te mana whakauru, ko te whai huatanga he 100%. Inaa, kāore he whakawhiti hiko pēnei, nā te mea kei te noho te ngaronga parahi me te ngaronga rino, ka pāngia te whakawhiti hiko e ētahi ngaronga.

He aha te ngaronga o te parahi?

Nā te mea he ātete motuhake tō te koiri whakawhiti hiko, ina haere te iahiko mā roto i te koiri, ka huri tetahi wāhanga o te pūngao hei wera. Nā te mea kua takaihia te koiri whakawhiti hiko ki te waea parahi, ka kiia hoki tēnei ngaronga he ngaronga parahi.

He aha te ngaronga o te rino?

Ko te ngaronga rino o te whakawhiti hiko e rua ngā āhuatanga matua: te ngaronga hysteresis me te ngaronga o te ia hurihuri; ko te ngaronga hysteresis e pā ana ki te wā e haere ana te ia hurihuri i roto i te koiri, ka puta he aho kaha aukume hei haere mā roto i te matua rino, ā, ka mirimiri ngā ngota i roto i te matua rino tetahi ki tetahi hei whakaputa wera, ka pau te hiko; nā te mea ka haere te aho kaha aukume mā roto i te matua rino, ka puta hoki te ia whakaoho i te matua rino. Nā te mea he hurihuri te ia, ka kiia hoki ko te ia hurihuri, ā, ka pau hoki te hiko i te ngaronga o te ia hurihuri.


Wā tuku: Hakihea-27-2022

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