Precision Calorimetry for the Accurate Measurement of Losses in Power Electronic Devices

被引:21
作者
Weier, Sven [1 ]
Shafi, Mohsin A. [1 ]
McMahon, Richard [2 ]
机构
[1] Univ Cambridge, Dept Engn, Cambridge CB2 1TN, England
[2] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England
关键词
Calorimeter; compact fluorescent lamp (CFL); component; loss measurement; mobile charger;
D O I
10.1109/TIA.2009.2036667
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The direct measurement of losses in power electronic systems is possible through the use of a calorimeter. An improved and fully automated version of a double-jacketed closed-type calorimeter is described in this paper. The accuracy of the calorimeter has been confirmed by calibration tests and is better than 0.1 W in 25 W. The losses in mobile (cell phone) chargers and the ballasts of compact fluorescent lamps have been measured in this calorimeter and are compared to those obtained from conventional measurement methods.
引用
收藏
页码:278 / 284
页数:7
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