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Automatic Design for Manufacturing in Power Electronics Based on Power Converter Arrays

Abstract : This work presents an automatic design method for power electronic converters “Automatic Design for manufacturing” (ADFM). The method proposes to build power converter arrays (PCAs), by assembling standard-cells. The technique is highly inspired by the microelectronics industry, power electronics building blocks, and multicell converters. The power conversion stage of a PCA consists of several conversion standard cells (CSCs) connected in series and/or parallel.One of the primary basis for the proper functioning of the ADFM method is the use of models for predicting the behaviour of the possible assemblies of standard cells. This thesis establishes this base following a three-step procedure: defining a plan of experiments to choose the relevant measurements that bring the most information of the PCAs; building a test bench capable of performing automatic measurements and finally studying statistical modelling methods to perform accurate predictions.Experimental tests in nine different converters are performed, totalizing over 210 hours of tests. Predictions of efficiency and converter temperature made by the models are compared with real measurements to validate their accuracy. Finally, the models are employed for two main tasks: to assure that a given PCA in a given operating point has a safe operation; and to benchmark PCAs that perform similar power conversion.
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Andre Andreta. Automatic Design for Manufacturing in Power Electronics Based on Power Converter Arrays. Electric power. Université Grenoble Alpes, 2019. English. ⟨NNT : 2019GREAT059⟩. ⟨tel-02527643⟩

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