DC Generator VS syncrhonous Generator

Julaị 24, 2021

Enwere ike ịghọta ọdịiche dị n'etiti DC Generator na generator syncrhonous site na aha ha, DC generator na-enye Direct ugbu a (DC) na Synchronous Generator na-enye Alternating Current (AC).

 

Gịnị bụ generator?

Igwe ọkụ bụ ngwaọrụ elektrọn nke na-agbanwe Mechanical Energy ka ọ bụrụ ike eletrik.

Gịnị bụ ụkpụrụ nke jenerato ?

A na-ebute EMF n'ime onye nduzi na-egbutu site na flux magnetik.Iwu mmalite nke Faraday.

Dị ka ụkpụrụ a si dị, iji mee ka ọkụ eletrik dị mkpa:

Ebe ndọta.

Onye nduzi etinyere n'ime ubi.

Usoro iji mepụta ọsọ ọsọ n'etiti ha abụọ.

Usoro iji wepụ ọkụ eletrik site na onye nduzi.

A DC generator, dị ka aha na-egosi na-emepụta, DC ọkụ eletrik.N'okwu a, ubi ahụ kwụ ọtọ.Oghere dị n'ọhịa na okporo osisi ndị a na-efegharị n'ọhịa na-emerụ ahụ na yok, akụkụ dị n'èzí nke igwe, nke ejiri okporo osisi jikọtara ya na-akpọ stator.N'ime stator e nwere armature kpụrụ nke armature core na armature winding, nke a na-akpọ rotor.


  DC Generator VS Syncrhonous Generator


Mgbe rotor na-atụgharị site na ụfọdụ ụzọ mpụga, eriri igwe armature na-ebipụ site na oghere magnetik nke stator kere.N'ihi ya, a na-esi na mgbanaka amịpụta na ọla kọpa ma ọ bụ ahịhịa carbon na-ewepụta ọkụ eletrik.Eletrik emepụtara abụghị DC na mbụ, ọ bụ otu nkeji AC.

Site na iji commutator, a na-atụgharị AC bidirectional ka ọ bụrụ AC unidirectional.Nke a bụ unidirectional mana ọ bụghị naanị DC.

 

Dabere n'otú e si ahazi sekit ubi DC generators bụ nke 2 ụdị:

Nke dị iche iche nwere obi ụtọ: ebe a na-enye ike site na isi iyi DC dịpụrụ adịpụ.

Obi Ụtọ: A na-eji akụkụ nke EMF emepụtara iji mee ka sekit ubi nwee ume.N'ebe a, a na-eji magnetism residual eme ihe iji mepụta ọkụ eletrik mbụ.Enwere ụdị atọ nke ndị na-emepụta DC na-enwe obi ụtọ:

Shunt Generator- Ubi dị na ihe mgbochi ahụ.

Series Generator- Ubi bụ na usoro na armature.

Compound Generator- Ọ bụ ngwakọta nke usoro abụọ na usoro shunt.

Igwe ọkụ na-emekọrịta ihe- na-arụ ọrụ n'otu ụkpụrụ mana ọ na-ewepụta AC nke 3-phase.E nwere ihe ọzọ dị mkpa dị iche iche, ọ bụrụ na nke DC generator ubi na-eguzo, ma bụrụ synchronous generator ubi na-atụgharị na armature bụ guzo.Stator dị n'ụlọ na-efegharị 3-phase.Voltaji ndị a na-eme na windings ndị a dị ogo 120 dị iche na ibe ha n'oge.Ndị na-emepụta ihe na-emekọrịta ihe bụ igwe siri ike dị elu.

 

Uru nke armature guzoro bụ na, ọ na-ewepụ mgbanaka mgbanaka na brushes site na ọnọdụ ahụ, enwere ike ị nweta ọkụ eletrik ozugbo site na njedebe armature na-eme ka usoro ahụ dịkwuo mma site n'ibelata nkwụsị kọntaktị.Sekit ubi na-enwe obi ụtọ site na sekit exciter na-enweghị brush na-agbanye na rotor shaft.


Ọ bụ obere ihe na-emepụta AC nke a na-agbanye ogwe aka ya na rotor shaft na ubi ahụ kwụ ọtọ.A na-enye oghere nke ihe na-akpali akpali ịnọ ya na dc mpụga.Site na ntụgharị nke rotor, a na-emepụta 3-phase ac nke a na-atụgharị na dc site na iji 3-phase rectifier tinyekwara na rotor.A na-eji DC a iji mee ka mpaghara isi nwee ume.

 

A na-atụgharị rotor site na iji prime mover nke nwere ike ịbụ ọtụtụ ụdị, dịka ọmụmaatụ: turbine uzuoku, mmiri mmiri, ikuku ikuku, engine na wdg.

 

Maka mmanụ dizel generator set , ihe niile ọtụtụ na-onwem na AC generator.Anyị na-atụ anya na ozi dị n'elu ga-enyere gị aka ịmụta banyere ndị na-emepụta ọkụ.

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