Incazelo ephelele kakhulu yesistimu yokupholisa ye-transformer

1. Ukumelwa kwendlela yokupholisa

Indlela yokupholisa ye-transformer ngokuvamile imelelwa inhlanganisela yamakhodi amane, amelwe kanje ukusuka kwesobunxele kuya kwesokudla:

Isibonelo: I-ONAN isho ukuzipholisa okucwiliswe ngamafutha, okungukuthi, uwoyela wangaphakathi usakazwa ngokwemvelo, futhi umoya wangaphandle usakazwa ngokwemvelo.

Okwesibili, indlela yokupholisa ye-transformer

Indlela yokupholisa yama-transformer amandla acwiliswe ngamafutha, ngokusho kobukhulu bomthamo wayo, uhlelo lokupholisa lungahlukaniswa lube: Ukuzipholisa ngokucwiliswa ngamafutha, ukucwiliswa komoya okufakwe uwoyela, ukujikeleza kwamafutha okuphoqelekile ukupholisa umoya, ukujikeleza kwamafutha okuphoqelekile. amanzi-apholile nokunye.

1. Ukuzipholisa ngokucwiliswa ngamafutha

Isistimu yokupholisa okuzipholisa ngokucwiliswa ngamafutha ayinayo imishini yokupholisa ekhethekile, amafutha ajikeleza ngokwemvelo ku-transformer, futhi ukushisa okuvela kumgogodla wensimbi kanye nama-windings kudluliselwa odongeni lwe-tank noma i-radiator ngokuhanjiswa kwamafutha. Ngokusho kobukhulu bomthamo we-transformer, ingahlukaniswa ngezakhiwo ezintathu ezihlukene:

1.1. Udonga lwebhokisi elibushelelezi. I-transformer enomthamo omncane yamukela lesi sakhiwo, igobolondo lebhokisi lishiselwe nge-steel plate, futhi udonga lwebhokisi lubushelelezi ngokuphelele;

1.2. Udonga lwebhokisi lohlobo lwezimbambo ezipholisayo. Shisela ezinye izimbambo zokulahla ukushisa odongeni lwebhokisi elibushelelezi ukuze unwebe indawo ethintana nomoya, elungele ama-transformer anomthamo omkhulu kancane;

1.3. Ipayipi lokushisa noma ukupholisa irediyetha. Kuma-transformer anamandla amakhulu, ukuze kwandiswe indawo yokupholisa yethangi likaphethiloli, ama-radiator amaningana afakwa ngaphandle kwethangi likaphethiloli. I-radiator iyisethi yamapayipi okukhipha ukushisa anezihloko ezingaphezulu neziphansi. Susa izingxenye.

Umfanekiso 1 ubonisa indlela yokugeleza kawoyela ye-transformer ezipholise ngamafutha egxilile enamapayipi okushisa. Lapho i-transformer isebenza, uwoyela ethangini likawoyela uyashiswa ngenxa yokushisisa ingqikithi yensimbi nokuvunguza, uwoyela oshisayo uzokhuphukela phezulu ethangini likawoyela, bese ufaka ipayipi lokukhipha ukushisa elisuka endaweni yokungena ephezulu. wepayipi lokukhipha ukushisa. Phola. Amafutha abandayo ehlela epayipini elikhazimulayo, bese egeleza engxenyeni engezansi ye-transformer tank kusukela ekugcineni okuphansi kwepayipi, futhi ajikeleze ngokuzenzakalelayo ukugeleza kwamafutha, ukuze i-transformer core kanye nama-windings apholile ngokuphumelelayo.

Isistimu yokupholisa okuzipholisa ngokucwiliswa ngamafutha inesakhiwo esilula nokuthembeka okuphezulu, futhi isetshenziswa kabanzi kuma-transformer anesisindo esingaphansi kuka-10,000kVA.

Umfanekiso 1 Indlela yokugeleza kawoyela ye-transformer ezizipholisa ngamafutha

1- - ithangi lamafutha; I-2 - i-iron core kanye nama-winding; 3 - ipayipi lokupholisa

2. Umoya ocwiliswe ngamafutha opholile

Isistimu yokupholisa epholile efakwe uwoyela, eyaziwa nangokuthi ukujikeleza kwemvelo kukawoyela, isistimu yokupholisa epholise umoya ephoqelelwe. Iwukufaka ifeni elilodwa noma amaningana eduze kwerediyetha ngayinye yethangi likawoyela we-transformer ukuze uguqule ukugeleza komoya okungokwemvelo kube ukuguquguquka okuphoqelelwe ukuze kuthuthukiswe amandla okukhipha ukushisa kwerediyetha. Uma kuqhathaniswa nohlelo lokuzipholisa, umphumela wokupholisa unganyuswa ngo-150% kuya ku-200%, okulingana nokwanda kwe-20% kuya ku-40% kumthamo wokukhipha we-transformer.

Lapho umthwalo umncane, ifeni ingamiswa ukuze i-transformer isebenze kumodi yokuzipholisa. Uma umthwalo udlula inani elithile, elifana no-70% womthwalo olinganiselwe, ifeni ingafakwa ngokuzenzakalelayo ekusebenzeni. Le ndlela yokupholisa isetshenziswa kakhulu kuma-medium-capacity angaphezu kuka-10,000kVA.

3. Ukujikeleza kwamafutha okuphoqelekile kupholiswe umoya

Isistimu yokupholisa yokupholisa uwoyela ephoqelekile yama-transformer umthamo omkhulu. Lesi simiso sokupholisa sisekelwe ekupholiseni komoya okucwiliswe uwoyela, futhi ipompo likawoyela elingaphansi kwamanzi lifakwa epayipini elixhumayo phakathi kwebhokisi eliyinhloko lethangi likaphethiloli kanye nerediyetha enefeni (ebizwa nangokuthi i-cooler). Lapho ipompo likawoyela lisebenza, uwoyela ethangini likawoyela eliphoqelelwe limuncwa kurediyetha ukusuka engxenyeni engenhla, bese lingena ethangini likawoyela lisuka engxenyeni engezansi ye-transformer ukuze libone ukujikeleza kukawoyela okuphoqelekile. Umphumela wokupholisa uhlobene nesivinini sokujikeleza samafutha. Umfanekiso wesi-2 ubonisa isakhiwo sokupholisa sohlelo lokupholisa uwoyela oluphoqelekile olusetshenziswa kuma-transformer amakhulu.

4. Ukupholisa amanzi okujikeleza uwoyela ngempoqo

Isistimu yokupholisa amanzi yokujikeleza kukawoyela ngempoqo iqukethe iphampu kawoyela engaphansi kwamanzi, isipholile sikawoyela, ipayipi likawoyela, ipayipi lamanzi okupholisa, njll. Uma isebenza, uwoyela engxenyeni engenhla ye-transformer imuncwa iphampu kawoyela bese iyacindezelwa. Lapho amafutha ephoqeleka ukuba adlule endaweni yokupholisa amafutha, amanzi okupholisa asetshenziselwa ukupholisa amafutha. Ngakho-ke, kulesi simiso sokupholisa, ukushisa kwe-iron core kanye nokuvuthwa kuqala kudluliselwa emafutheni, bese ukushisa emafutheni kudluliselwa emanzini apholisayo. Le ndlela yokupholisa isebenza kahle, kodwa izidingo zokuvalwa kwe-transformer ziphakeme kakhulu, futhi ukucindezela kwamafutha kufanele kube phezulu kunokucindezela kwamanzi okupholisa ngesikhathi sokupholisa. Ukwakhiwa kwesistimu yokupholisa amanzi okupholisa ukujikeleza kukawoyela okuphoqelekile kuboniswa kuMfanekiso 3.

• Unyaka ususunguliwe
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