Power Electronic Traction Transformer: Efficiency Improvements Under Light-Load Conditions
Power Electronic Traction Transformer: Efficiency Improvements Under Light-Load Conditions
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DOI：
10.1109/tpel.2013.2293402
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发表时间：
2014-08
影响因子：
6.7
通讯作者：
T. Besselmann;A. Mester;D. Dujić
中科院分区：
文献类型：
--
作者：
T. Besselmann;A. Mester;D. Dujić
电力电子变压器（PET）是一种利用功率半导体与中频变压器相结合的变换器技术，被认为是需要柔性电流隔离的某些应用的有前途的解决方案。其中包括笨重的低频变压器占用的空间和/或需要先进的电能质量控制功能的地方。本文讨论了用于车载单相牵引的PET，重点讨论了在车辆运行过程中提高效率和降低能耗的问题。在低压PET样机上测试了几种提高轻载条件下效率的控制算法，实验结果表明了所提算法的有效性。
Power electronic transformer (PET), a converter technology that utilizes power semiconductors in combination with medium-frequency transformers, is considered a promising solution for certain applications requiring flexible galvanic isolation. Among are those where space occupied by bulky low-frequency transformers is of concern and/or where advanced power quality control features are needed. In this paper, the PET for a single-phase traction on-board application is discussed with emphasis on the efficiency improvements and reductions of energy consumption during the operation on the vehicle. Several control algorithms devised to improve efficiency under light-load conditions are tested on a low-voltage prototype of the PET, and experimental results are presented demonstrating the effectiveness of the proposed algorithms.