Design optimization of hydraulic energy storage and conversion system for wave energy converters

被引：15
|
作者：
Wang D. [1 ]
Lu K. [1 ]
机构：
[1] Department of Energy Technology, Aalborg University, Pontoppidanstraede 111, Aalborg
来源：
Protection and Control of Modern Power Systems | 2018年 / 3卷 / 1期
关键词：
Energy storage; Hydraulic system; System modelling; System optimization; Wave energy;
D O I：
10.1186/s41601-018-0080-6
中图分类号：
学科分类号：
摘要：
Wave energy collected by the power take-off system of a Wave Energy Converter (WEC) is highly fluctuating due to the wave characteristics. Therefore, an energy storage system is generally needed to absorb the energy fluctuation to provide a smooth electrical energy generation. This paper focuses on the design optimization of a Hydraulic Energy Storage and Conversion (HESC) system for WECs. The structure of the HESC system and the mathematical models of its key components are presented. A case study and design example of a HESC system with appropriate control strategy is provided. The determination of the ratings of the HESC system is also investigated in order to achieve optimal system energy efficiency. © 2018, The Author(s).
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