电池储能系统全软开关四象限双DC/DC变换器

2018 IEEE 3rd International Conference on Intelligent Energy and Power Systems (IEPS) Pub Date : 2018-09-01 DOI:10.1109/IEPS.2018.8559490

Y. Sokol, V. Ivakhno, V. Zamaruiev, B. Styslo

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引用次数: 8

摘要

本文介绍了一种两级双向隔离转换器的拓扑结构和控制算法，该转换器采用电压馈电(VF)和电流馈电(CF)两级可控半导体。四象限双向开关与CF级变压器绕组串联。对于从CF级到VF级的能量传递模式，描述了一种分离整流开关算法，该算法为CF开关提供了零电流开关关断模式和电感缓冲器导通模式，为VF开关提供了零电压开关和电容缓冲器关断模式。变压器的漏感用作电感缓冲器。考虑了谐振现象对VF晶体管缓冲关断过程的影响。提出了用于大功率电池储能系统的拓扑结构。在MATLAB中进行了仿真验证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Full Soft Switching Dual DC/DC Converter With Four-Quadrant Switch for Systems With Battery Energy Storage System

This paper describes topology and control algorithm for a two-stage bidirectional isolated converter with controlled semiconductors with the voltage-fed (VF) and current-fed (CF) stages. A four-quadrant bidirectional switch is connected in series with the transformer winding in the CF stage. For the energy transfer mode from the CF stage to the VF stage, a separated-commutation switching algorithm that provides a zero-current switching turn-off mode and an inductive snubber turn-on mode for the CF switches, and a zero-voltage-switching and capacitive snubber turn-off mode for the VF switches is described. Leakage inductance of the transformer is used as an inductive snubber. The influence of resonant phenomena on the VF transistors snubber switching-off process is taken into account. The topology is proposed for high power battery energy storage systems. The proposed ideas are verified with simulations in MATLAB.

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来源期刊

2018 IEEE 3rd International Conference on Intelligent Energy and Power Systems (IEPS)

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