| 分频输电在海上风电并网应用中的前景和挑战 |
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| 作者姓名： | 王秀丽 张小亮 宁联辉 朱卫平 王锡凡 |
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| 作者单位： | 西安交通大学, 陕西 西安 710049;国网江苏省电力公司电力科学研究院, 江苏 南京 211103 |
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| 基金项目： | 国家自然科学基金项目(51307136) |
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| 摘 要： | 通过比较3种风电并网方式,指出了分频输电系统(FFTS)在大规模海上风电并网中的应用前景。介绍了分频海上风电系统的结构和变频器的选择,对比表明了模块化多电平矩阵式换流器(M~3C)作为新一代变频器优良性能。分析了低频环境对分频海上风电系统中关键性设备的影响,进一步从设备角度表明分频海上风电系统的可行性和经济技术优势。最后指出分频海上风电系统中仍需解决的经济技术难题,为进一步研究指明了方向。
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| 关 键 词： | 海上风电 分频输电 并网 经济性 |
| 收稿时间： | 2016/10/19 0:00:00 |
| 修稿时间： | 2016/11/23 0:00:00 |
Application Prospects and Challenges of Fractional Frequency Transmission System in Offshore Wind Power Integration |
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| Authors: | WANG Xiuli ZHANG Xiaoliang NING Lianhui ZHU Weiping WANG Xifan |
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| Affiliation: | Xi''an Jiaotong University, Xi''an 710049, China;State Grid Jiangsu Electric Power Company Electric Power Research Institute, Nanjing 211103, China |
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| Abstract: | Through the comparison of three methods for the grid interconnection of offshore wind power,this paper pointed out the application prospects of fractional frequency transmission system (FFTS) in large-scale offshore wind power integration.Besides,this paper introduced the structure of fractional wind power system and the choice of inverter and showed the excellent performance of modular multilevel converter (M3C) as a new generation inverter.Moreover,this paper analyzed the influence of low frequency on the critical machines used in fractional offshore wind power system,which furtherly shows the feasibility,economical advantages and technological advantages of the fractional offshore wind power system.Finally,some economical and technological problems remaining unsolved of the fractional offshore wind power system were pointed out,which indicated the direction for further study. |
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| Keywords: | offshore wind power FFTS grid connection economy |
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