Efficient Integration and Comprehensive Utilization of Renewable Energy / Hydrogen Energy Based on DC Energy Routing

2020 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2020-11-23 DOI:10.1109/iSPEC50848.2020.9351073

Wei Deng, W. Pei, Li Ding, Yin Yi, Xue Zhang, Ying Zhuang

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Abstract

It is one of the important directions of clean energy transformation and new economic growth point to utilize wind/PV complementary for hydrogen production and hydrogen energy utilization. When wind/PV/hydrogen multiple energy sources are integrated, the DC access and flexible DC interconnection can effectively reduce power electronic conversion links and improve system operation efficiency. In this paper, the concept of multi-port DC energy router suitable for DC interconnection between renewable energy and hydrogen energy is proposed, and the topology of six ports DC energy router is described. On this basis, the energy routing technology for wind/PV/storage/hydrogen multi-energy system is proposed to adapt to wide power fluctuations of renewable energy, covering various working conditions such as grid-connected operation, off-grid operation, etc. The feasibility of multi-port DC energy router for hydrogen production from renewable energy is revealed through the case verification and simulation analysis.

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基于直流能量路由的可再生能源/氢能高效集成与综合利用

利用风能/光伏互补制氢和利用氢能，是清洁能源转型的重要方向和新的经济增长点之一。当风能/光伏/氢能多能源集成时，直流接入和灵活的直流互联可以有效减少电力电子转换环节，提高系统运行效率。本文提出了适用于可再生能源与氢能直流互联的多端口直流能源路由器的概念，并对六端口直流能源路由器的拓扑结构进行了描述。在此基础上，提出了适应可再生能源功率波动较大的风能/光伏/储能/氢能多能系统能量路由技术，涵盖并网运行、离网运行等多种工况。通过实例验证和仿真分析，揭示了多端口直流能量路由器用于可再生能源制氢的可行性。

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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2020 IEEE Sustainable Power and Energy Conference (iSPEC)

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