Loss analyses of multi-port power electronic transformers based on DSIM simulations

doi:10.16511/j.cnki.qhdxxb.2022.22.041

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Abstract Multi-port power electronic transformers (PET) are key parts of modern power grids, but their losses are difficult to model. DSIM simulations are useful for complex power electronic converters, especially PET simulations. This study analyzed the losses in a multi-port PET which showed the effectiveness of DSIM software for analyzing complex power electronic converter systems. This paper described the PET loss model which was then validated by simulations and experiments. The results show the optimum efficiency operating point of a single PET. When two PETs are available, one PET in operation is the most efficient for light loads and two PETs in operation are the most efficient for heavy loads. This loss model analysis provides a reference for optimizing the efficiency of PET operations.

Keywords power electronic transformer loss analysis power electronic simulations with DSIM power grid

Issue Date: 11 January 2023

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	FAN Zhiqiang
	ZHAO Zhengming
	SHI Bochen
	YU Zhujun
	ZHENG Jialin

Cite this article:

FAN Zhiqiang,ZHAO Zhengming,SHI Bochen, et al. Loss analyses of multi-port power electronic transformers based on DSIM simulations[J]. Journal of Tsinghua University(Science and Technology), 2023, 63(1): 94-103.

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http://jst.tsinghuajournals.com/EN/10.16511/j.cnki.qhdxxb.2022.22.041 OR http://jst.tsinghuajournals.com/EN/Y2023/V63/I1/94

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