分布式发电系统中双向双有源桥式DC/DC变换器四象限调频功率控制

2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2023-06-09 DOI:10.1109/PEDG56097.2023.10215281

Xiaochao He, Yitao Liu, J. Yin

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引用次数: 0

摘要

频繁的四象限潮流变化是分布式发电系统的关键特征，分布式储能系统在控制各种电源和负载之间的功率平衡方面起着重要作用。本文提出了一种新的双向双有源桥(DAB) dc/dc变换器的调频方法，该方法可以简单、高效、可靠地实现四象限瞬时功率控制。实现了快速的瞬态响应，并且在一个开关周期内DAB变换器的状态达到稳定。该理论已在实验室中通过DAB样机实现，实验结果验证了其正确性。

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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Four-Quadrant Power Control with Frequency Modulation of Bidirectional Dual-Active-Bridge DC/DC Converters in Distributed Generation Systems

Frequent four-quadrant power flow change is a key characteristic for distributed generation systems, where distributed energy storage systems play an import role in manipulating power balancing between various sources and loads. This article proposes a novel frequency-modulation method for bidirectional dual-active-bridge (DAB) dc/dc converters, which can achieve four-quadrant instantaneous power control in a simple, efficient, and reliable way. Fast transient response can be realized, and the state of the DAB converter can reach steady within one switching cycle. The theory has been implemented by a DAB prototype in the laboratory and its correctness has been verified by the experimental results.

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2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)

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