电阻值变化法测试小型变压器绕阻温升方法浅析

Journal of Appliance Science & Technology ›› 2018, Vol. 0 ›› Issue (9): 80-81.

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Analysis of winding resistance temperature rise of small transformer by resistance value change method

SUN Xuan, GONG Chixiao, LI Jichao

China Household Electric Appliance Research institute Beijing 100037

Online:2018-09-01 Published:2019-07-12

Abstract

Abstract: According to the requirements of chapter 14.1 of the new GB/T 19212.1-2016 standard implemented on March 1, 2017, and combined with small transformer products, the method of measuring the temperature rise of winding resistance by resistance method is analyzed. According to the experience of many years' testing and operation ability verification project, the temperature rise of winding resistance measured by resistance method is explained in detail through enumerating cases. Key steps and influencing factors.

Key words: Resistance method, Winding resistance, Temperature rise, Transformer

SUN Xuan, GONG Chixiao, LI Jichao. Analysis of winding resistance temperature rise of small transformer by resistance value change method[J]. Journal of Appliance Science & Technology, 2018, 0(9): 80-81.

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Analysis of winding resistance temperature rise of small transformer by resistance value change method

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