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New stator construction and simulation of high efficiency wind turbine generators
IEEE Transactions on Industry Applications ( IF 4.2 ) Pub Date : 2020-03-01 , DOI: 10.1109/tia.2020.2964231
Pavel Yu. Grachev , Aleksey S. Tabachinskiy , Pitchai Kanagavel

This article describes generators with high-efficiency winding construction, applied to small-scale and large-scale wind turbines. Electromechanical converters, based on these compact winding generators, are promising for all types of stand-alone installations. Here a squirrel-cage induction generator with innovative stator is studied. Stator winding construction features reduced cross section of connection spots between rectangular slot and overhang parts of winding turns. This compact construction is expected to be beneficial for different types of electric motors and generators. A new design methodic of induction generators for wind turbines, provided by authors, considers construction features of compact windings. Resistance and end-winding leakage calculation peculiarities are described, and compact winding's influence on size and efficiency of generator is estimated. Research results of electromagnetic field, which are given in this article, should be considered in design of generator. Calculations have shown that compact winding construction results reduced the size and improved efficiency of the proposed induction generator. Reduced end-windings of generator allow placing power electronic units on the stator core inside the machine housing. Directions of further researches are pointed in the article, induction generators design technologies improvement in particular.

中文翻译:

高效风力发电机的新型定子构造与仿真

本文介绍了高效绕组结构的发电机,适用于小型和大型风力涡轮机。基于这些紧凑型绕组发电机的机电转换器有望用于所有类型的独立安装。这里研究了具有创新定子的鼠笼式感应发电机。定子绕组结构的特点是矩形槽和绕组匝的悬垂部分之间的连接点横截面减小。预计这种紧凑的结构有利于不同类型的电动机和发电机。作者提供的一种新的风力涡轮机感应发电机设计方法考虑了紧凑绕组的结构特点。描述了电阻和端部绕组漏电计算的特点,以及紧凑的绕组' 估计对发电机尺寸和效率的影响。本文给出的电磁场研究成果,应在发电机设计中予以考虑。计算表明,紧凑的绕组结构结果减小了所提出的感应发电机的尺寸并提高了效率。减少发电机端绕组允许将电力电子单元放置在机器外壳内的定子芯上。文章指出了进一步研究的方向,特别是感应发电机设计技术的改进。计算表明,紧凑的绕组结构结果减小了所提出的感应发电机的尺寸并提高了效率。减少发电机端绕组允许将电力电子单元放置在机器外壳内的定子芯上。文章指出了进一步研究的方向,特别是感应发电机设计技术的改进。计算表明,紧凑的绕组结构结果减小了所提出的感应发电机的尺寸并提高了效率。减少发电机端绕组允许将电力电子单元放置在机器外壳内的定子芯上。文章指出了进一步研究的方向,特别是感应发电机设计技术的改进。
更新日期:2020-03-01
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