在波浪能发电装置功率特性现场测试工作中,波浪输入能量的计算是评估波浪能发电装置性能的重要依据之一。在分析国内外波能流计算方法的基础上,研究国际电工委员会和欧洲海洋能中心提出的波能流计算方法,并应用波浪能发电装置现场测试数据,对两种波能流计算方法进行对比分析。结果表明：国际电工委员会所提方法计算的波能流数值大于欧洲海洋能中心所提方法,且约有52.1%的数据差异在20%~30%之间,但二者之间具有较强的线性正相关关系。国际电工委员会所提方法计算的波浪能发电装置整机转换效率数值小于欧洲海洋能中心所提方法,且从理论上分析了转换效率的差异性与波能流的差异性相同的原因。研究成果为波浪能发电装置现场测试工作中波浪输入能量的计算提供参考。
Abstract
In the field testing of power characteristics of wave energy converter, the calculation of wave input energy is an important work. Based on the analysis of wave energy flux calculation methods at home and abroad, the wave energy flux calculation methods proposed by the International Electrotechnical Commission（IEC） and the European Marine Energy Center（EMEC） are studied, and the two wave energy flux calculation methods are compared and analyzed by using the field testing data. The results show that the wave energy flux calculated by the method proposed by the IEC is greater than that proposed by the EMEC, and about 52.1% of the field testing data is different between 20% and 30%, but there is a strong linear positive correlation between them. The conversion efficiency of wave energy converter calculated by the method proposed by the IEC is less than that proposed by the EMEC, and the reason why the difference of conversion efficiency is the same as that of wave energy flow is analyzed theoretically. The research results provide a reference for the calculation of wave input energy in the field testing of wave energy converter.
关键词
波浪能 /
波浪能发电装置 /
现场测试 /
波能流
Key words
wave energy /
wave energy converter /
field testing /
wave energy flux
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基金
国家海洋技术中心科技创新基金（Y3200Z003）
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