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Free piston linear generator for low grid power generation

机译:自由活塞式线性发电机,用于低电网发电

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摘要

Generating power is of great importance nowadays across the world. However, recently, the world became aware of the climatic changes due to the greenhouse effect caused by CO_(2) emissions and began seeking solutions to reduce the negative impact on the environment. Besides, the exhaustion of fossil fuels and their environmental impact, make it is crucial to develop clean energy sources, and efforts are focused on developing and improving the efficiency of all energy consuming systems. The tubular permanent magnet linear generators (TPMLGs) are the best candidate for energy converters. Despite being suffering problem of attraction force between permanent magnets and stator teeth, to eliminate such attraction force, ironless-stator could be considered. Thus, they could waive the presence of any magnetic attraction between the moving and stator part. This paper presents the design and analysis of ironless -cored TPMLG for low grid power generation. The main advantages of this generator are the low cogging force and high efficiency. Therefore, the magnetic field computation of the proposed generator has been performed by applying a magnetic vector potential and utilizing a 2-D finite element analysis (FEA). Moreover, the experimental results for the current profile, pressure profile and velocity profile have been presented.
机译:当今世界,发电非常重要。但是,最近,全世界意识到由于CO_(2)排放引起的温室效应而引起的气候变化,并开始寻求解决方案以减少对环境的负面影响。此外,化石燃料的枯竭及其对环境的影响使得开发清洁能源至关重要,而工作重点则放在开发和提高所有能源消耗系统的效率上。管状永磁直线发电机(TPMLG)是能量转换器的最佳选择。尽管存在永磁体和定子齿之间的吸引力的问题,但是为了消除这种吸引力,可以考虑使用无铁定子。因此,它们可以免除运动部件和定子部件之间的任何磁性吸引力。本文介绍了用于低电网发电的无铁芯TPMLG的设计和分析。该发电机的主要优点是齿槽力低,效率高。因此,通过施加磁矢量电势并利用二维有限元分析(FEA)来执行提出的发电机的磁场计算。此外,还给出了电流曲线,压力曲线和速度曲线的实验结果。

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