上海意蘭可電力電子設(shè)備有限公司shanghai-資料下載頁
2025-06-23 04:59本頁面
【正文】 accurate, as those produced by modern puter programs.Although hot spot temperature is an important performance parameter to be met by the manufacturer,there are currently no defined test methods, nor is there a requirement that this parameter be measured onproduction or prototype transformers. This is important since temperature is fundamental in determiningthe life of the equipment.The hot spot temperature in drytype transformers is sometimes a contentious issue. Hot spots, thepositions of the highest temperature, occur naturally due to the nonuniform heat generation and the factthat the rate of heat transfer to the environment is not uniform。 E). K13 or K20 Transformer?Transformers shall be capable of operating within the specified temperature rise while supplying 100% of the 50/60 Hertz fundamental rated current values plus the harmonics, and to define which type of Kfactor transformer is suitable for your engineering application, you may refer to our following suggestions:(A) When 100% linear load plus 50% nonlinear load , we suggest a K4 transformer(B) When 100% linear load plus 75% nonlinear load , we suggest a K9 transformer(C) When 100% linear load plus 100% nonlinear load, we suggest a K13 transformer(D) When 100%linear load plus 125% nonlinear load, we suggest a K20 transformer(E) When 100%linear load plus 150% nonlinear load, we suggest a K30 transformerIn term of conservatively, sometimes it may necessary to specify a transformer with a higher Krating from the suggested above table.3 / 3
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