WEC Array Networked Microgrid Control Design and Energy Storage System Requirements

OCEANS 2019 MTS/IEEE SEATTLE Pub Date : 2019-10-01 DOI:10.23919/OCEANS40490.2019.8962576

W. Weaver, Alex Hagmuller, Max Ginsburg, D. Wilson, G. Bacelli, R. Robinett, R. Coe, B. Gunawan

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引用次数: 3

Abstract

Wave Energy Converter (WEC) technologies transform power from the waves to the electrical grid. WEC system components are investigated that support the performance, stability, and efficiency as part of a WEC array. To this end, Aquaharmonics Inc took home the $1.5 million grand prize in the 2016 U.S. Department of Energy Wave Energy Prize, an 18-month design-build-test competition to increase the energy capture potential of wave energy devices. Aquaharmonics intends to develop, build, and perform open ocean testing on a 1: 7 scale device. Preliminary wave tank testing on the mechanical system of the 1: 20 scale device has yielded a data-set of operational conditions and performance. In this paper, the Hamiltonian surface shaping and power flow control (HSSPFC) method is used in conjunction with scaled wave tank test data to explore the design space for the electrical transmission of energy to the shore-side power grid. Of primary interest is the energy storage system (ESS) that will electrically link the WEC to the shore. Initial analysis results contained in this paper provide a trade-off in storage device performance and design selection.

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WEC阵列网络化微电网控制设计与储能系统要求

波浪能量转换器(WEC)技术将波浪中的能量转化为电网。作为WEC阵列的一部分，研究了支持性能、稳定性和效率的WEC系统组件。为此，Aquaharmonics公司在2016年美国能源部波浪能源奖中获得了150万美元的大奖，这是一项为期18个月的设计-建造-测试竞赛，旨在提高波浪能设备的能量捕获潜力。Aquaharmonics打算在1:7比例的设备上开发，建造和执行开放海洋测试。对1:20比例装置的机械系统进行了初步的波浪槽试验，得出了一组操作条件和性能数据。本文采用哈密顿曲面整形与功率流控制(HSSPFC)方法，结合规模化波槽试验数据，探讨了电能向岸侧电网传输的设计空间。主要关注的是将WEC与海岸电连接起来的储能系统(ESS)。本文中包含的初步分析结果提供了存储设备性能和设计选择的权衡。

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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OCEANS 2019 MTS/IEEE SEATTLE

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