Guriga> Shirkadda Shirkadda> Dube aan La arki karin: Sida wareegga gaaban uu isku dayo inuu kala jeexo Transformer

Dube aan La arki karin: Sida wareegga gaaban uu isku dayo inuu kala jeexo Transformer

2026,10,26
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Bal qiyaas laba magnet oo si lama filaan ah, si xoog leh isugu ruxay. Taasi waa qiyaas ahaan waxa ka dhaca transformer-ka isla markiiba wareegga gaabani yimaaddo - marka laga reebo "magnets" waa gariiradda, iyo gariirku waa kooban yahay laakiin aad u xoog badan. Dadka badankiis waxay ka walwalaan kuleyliyaha taransfoorka marka uu cilad jiro. Khatarta ugu weyni waa makaanik: xoogag koronto-magneteed ah oo xiri kara dabaysha qayb yar oo ilbiriqsi ah, ka hor inta aan la gaarin heer kul kasta.

Mabda'a iyo Noocyada Xoogga

Caadiyan koronto-bixiyeha hadda waxa uu xaddidaa culeyska. Inta lagu jiro wareegga gaaban ee xiran ee dugsiga sare, culeysku waa tagay oo kaliya xannibaadda qulqulka (% Z) ayaa hadha. Ciladda hadda jirta waxa lagu qiyaasaa I_rated × 100/%Z — sidaa darteed cutubka 5.75 %Z waxa uu dhaafaa ilaa 17× hadda la qiimeeyay, iyo 100 MVA, 12%Z unug ku saabsan 8.3×.

Qabashada ayaa ah in xoogga birlabeedka u dhexeeya dabaylaha uu cabbiro labajibbaaran ee hadda ( F ∝ I² ). Kor u kaca 17× ee hadda macnihiisu waa qiyaastii 300× xoogga caadiga ah; kor u kaca 20× macnaheedu waa qiyaastii 400×. Wareegga nuska horena waa kan ugu xun: marka la eego marxaladda ugu liidata waqtiga, heerka ugu sarreeya wuxuu gaari karaa qiyaastii 2.5-2.6 × cilladda hadda jirta ee RMS, iyadoo ku xiran saamiga nidaamka X/R.

Ciidamadani waxay u dhaqmaan laba jiho (IEC 60076-5 / IEEE C57.12.00):

Radial: dabaysha gudaha (voltage hoose) ayaa gudaha loo jajabiyaa xagga xudunta u ah (khatarta korantada), halka dabaysha (sare-sare) ay ku fidsan tahay xiisadda hoop sida silsiladaha foosto.

Axial: qulqulka qulqulaya ee rogroga shucaaca cidhifyada dabaysha ayaa soo saara xoogag cadaadis ah oo isku dayaya in ay wada sawiraan dabaylaha; isku dhufashada iyo giraanta dhamaadka waa inay tan nuugaan.

Tusaalaha Codsiga

Transformer-ka qaybinta ee kor u qaadaya tooshiyaha quudiyaha ayaa ah kiiska dhabta ah. Mid ka mid ah lammaane si wanaagsan loo diiwaangeliyay oo isku mid ah 2,000 kVA, 5.75% Z cutubyada suufka ayaa qaatay qalad isku mid ah: mid ayaa ku soo noqday adeegga, kan kalena waxaa markii dambe la helay iyada oo LV-da dabaysha oo gudaha ku xiran tahay "sida daasad la jajabiyey." Qiimayn isku mid ah, tiro isku mid ah oo warqad ah - dabeecad farsamo oo gebi ahaanba ka duwan. Heerarka ayaa tan ku xalliya imtixaanka u adkeysiga wareegga-gaaban: IEEE C57.12.00 waxay u baahan tahay adkeysi 2-ilbiriqsi ah marka la xisaabinayo cilladda hadda jirta, halka IEC 60076-5 ay ogolaato mid ka mid ah imtixaan nooc ah (saddex cilladood oo la dabaqay, oo lagu xaqiijiyay falanqaynta jawaab-celinta soo noqnoqda) ama bandhig farsamo oo faahfaahsan. Waxaa xusid mudan, tijaabada shaybaarka awoodda-sare leh waxay khusaysaa khaladka qiyaastii 0.25 s - sababtoo ah meesha ugu sarreysa ee burburintu waxay ku jirtaa hal ama labada wareeg ee hore; ka badbaada ilbiriqsiyadaas xad dhaafka ah ayaa soo socda.

Faham-xumada Guud / Xaqiiqda Madadaalada

Fikrad khaldan: "Haddii jebiyahu si degdeg ah u socdo oo uusan kululayn, transformerku wuu fiican yahay." Dhab ahaantii waxyeelladu waa isla markiiba - gudaha 1-2 wareegyada hore (<0.05 s), ka hor inta aan la gaarin xadka kulaylka - waxayna noqon kartaa mid qarsoon: dabayl yar oo dabacsan ayaa dhici karta toddobaadyo ka dib qaladka leexashada. Ka sii daran, "caqabadda sare mar walba waa ka badbaado" waa been: kor u qaadista %Z waxay xaddidaysaa cilladda hadda jirta laakiin waxay ka sii daraysaa nidaamka korantada.

Xaqiiqo xiiso leh: Xoogaga Electromagnetic-ka waxay ku qiyaasaan labajibbaaran hadda jira, sidaa daraadeed isla beddelka dareemaya neecow fudud oo culeys buuxa ah ayaa ku dhufatay duufaan inta lagu jiro cillad - waana inay ka badbaaday duufaankaas, laga yaabee si isdaba joog ah, nolosha 30- ilaa 60-sano.

Nala soo xiriir

Author:

Ms. Amy Wu

Phone/WhatsApp:

+86 13612662976

Alaabta caanka ah
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Author:

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