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Sidee Kulushahay Aad U Kulul? Kor u kaca heerkulka Transformer, Fasalada dahaadhka, iyo Xeerka 10-Degree

2026,09,12
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Sidee Kulushahay Aad U Kulul? Kor u kaca heerkulka Transformer, Fasalada dahaadhka, iyo Xeerka 10-Degree

Transformer-ku wuxuu u muuqdaa mid aan fiicneyn, laakiin gudaha si aamusnaan leh ayaa loo kariyaa. Mar kasta oo ay tamar ka gudbiso dabaylaha oo kale, laba nooc oo khasaare ah ayaa koronta u beddela kulayl: luminta naxaasta (I²R) ee dabaylaha iyo luminta xudunta ah (hysteresis plus eddy currents) ee birta. Kulaylkaas waa inuu meel aadaa, sida wanaagsan ee aad uga takhalusi lahaydna waxay go'aaminaysaa haddii unuggaagu kuu adeegayo 25 sano ama uu ku guuldareysto shan.

Mabda'a - dahaarka waa taariikhda dhicitaanka

Bilaabayaashu waxay sawiri karaan dahaarka sida summada "isticmaalka" ee ku taal qalabka wax beddelka. Heerarka caalamiga ah (IEC 60085, IEC 61558-1) walxaha dahaarka kooxeed ee fasalada kulaylka heerkulka ugu badan ee kulul waxay u dulqaadan karaan nolosha adeegga caadiga ah (badanaa laga soo xigtay ilaa 20,000 saacadood, ama ~ 20 sano): Fasalka A 105 °C, B 130 °C, F, 155 °C, 155 ° C Heerkulka dhabta ah ee dabayshu waa wadarta saddexda lambar: heerkulka jawiga (heeraradaha sida caadiga ah waxay qaataan 40 °C, IEC/IEEE), celceliska heerkulka dabayshu wuxuu ka sarreeyaa jawiga, iyo gunnada goobta kulul ee wareegga ugu hooseeya ee hawada qaboojintu aysan weligeed gaarin.

Injineerada - waxa la akhriyo iyo sida loo doorto

Tirooyinka muhiimka ah ee ku yaal sariirta magaca waa qiimeynta-kor u kaca heerkulka (sida caadiga ah 55/65/80 °C u kaca cutubyada nooca qalalan) iyo fasalka dahaarka. Celcelis ahaan kor u kaca waxaa lagu qiyaasaa habka iska caabinta - IEC 61558-1 waxay ku siinaysaa qaacido iyadoo la adeegsanayo iskudarka heerkulka naxaasta ee 234.5 - kaas oo sheegaya celceliska bulk, maaha meesha kulul ee la aasay. Xeerka xulashada suulka: cadee fasalka dahaarka ka sarreeya marka loo eego kororka aad u baahan tahay, si aad u iibsato qolka kuleylka. Marka jawigu ka sarreeyo 40 °C ama joogga uu kor u dhaafo 1000 m, hufnaanta qaboojinta ayaa hoos u dhacda, marka heerarka sida 46 CFR 111.20-5 iyo IEC waxay u baahan yihiin hoos u dhigista - ama kor u qaadista dahaarka ama la yareeyo culeyska - si loo ilaaliyo heerkulka guud ee xaddidan.

Tusaalaha codsiga

Sawir 24 V/50 VA kontorool koronto-dhaliye ah oo ku jira xayndaab xiran oo ah 40 °C ambient. Haddii qasaaraha naxaasta iyo xudunta u ah ay kor u kacaan 80 °C, celceliska heerkulka dabayshu waa 120 °C iyo barta kulul ee gudaha ayaa u soo gurguurta xagga saqafka heerka B ee 130 °C. Xir hal meel oo hawo-qaadasho ah, meesha kululana waxay ka gudbi kartaa xadkaas, iyadoo si deggan u gaboobaysa dahaarka.

Xaqiiqda khaldan ee caadiga ah / madadaalo

Khuraafaadka ugu qaalisan ee dayactirka beddelka waa "Class B macnaheedu waa inaan ku ordi karo dabaysha 130 ° C." Nambarka fasalka waa saqafka alaabta, ma aha bartilmaameedkaaga hawlgalka - iyo heerka caadiga ah wuxuu daboolaa celceliska la qiyaasay si aad uga hooseeya isaga si loo ilaaliyo meesha kulul ee aadan arki karin. Xaqiiqo xiiso leh: sida uu qabo Montsinger "xeerka 10-degree" ee IEEE C57.91, 10 ° C kasta oo ka sarreeya barta kulul ee lagu qiimeeyay waxay qiyaas ahaan kala badh u dhigtaa nolosha dahaarka. Culays yar, oo joogto ah ayaa aad uga burbursan hal koronto - danabku si lama filaan ah ayuu u dilaa, kulaylku si tartiib ah ayuu u dilaa.

Nala soo xiriir

Author:

Ms. Amy Wu

Phone/WhatsApp:

+86 13612662976

Alaabta caanka ah
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Author:

Ms. Amy Wu

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+86 13612662976

Alaabta caanka ah
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