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《Chinese Journal of Electron Devices》 2017-01
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The Research of Switching Loss in Power Module Under the Small Sample Data

MEI Shuang;LI Zhigang;School of Electrical Engineering,Hebei University of Technology;  
The modeling of switching loss in power modules is important in practice for the prediction and evaluation of new energy system reliability. Using the power modules dynamic test system that can automatically adjust the DC bus voltage、collector current、gate drive voltage and gate resistance. Recording switching dynamic voltage and current waveforms to obtain precise switching loss values by processing. A switching loss model that improved the existing switching loss model based on a small sample of test points was established by SVM algorithm.
【Fund】: 国家科技支撑计划项目(2015BAA09B01);; 国家自然科学基金项目(51377044);; 河北省科技计划项目(14214503D 13214303D)
【CateGory Index】: TN322.8
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