定子端部 meaning in English
stator end
Examples
- Model test analyses and natural frequency measurement methods of large turbo - generators on stator end windings and evaluation criteria
大型汽轮发电机定子端部绕组模态试验分析和固有频率测量方法及评定 - Abstract : the end basket with a form of double layered conical weave net is simplified into a model of continuous conical shell - beam combined structure and in accordance with the test results of experimental modal analysis . a part of geometrical and material parameters of the conical shell in the model are identified to get an equivalent mechanical model which has the same dynamic characteristics as that of the prototype structure . by simulation and experiment , the effectiveness of the method offered is fully verified
文摘:将大型汽轮发电机定子端部的双层圆锥型编织网壳简化为连续锥壳-梁组合结构.根据实际结构的试验模态分析所得到的模态参数识别模型中锥壳的部分几何、弹性参数,获得了与定端绕组实际结构具有相同动特性的当量力学模型.对实际机组的计算和实验结果证明了本文中的方法是可行的 - Against a prototype which is being produced ， its three dimension end region entity model of stator is established ， and with the aim of simplifying calculation ， the theory of how to simplify entity model is studied ， then the theory is made use of ， and the end region entity model of stator is simplifi - ed ； meshing characteristics of three dimension entity model and shortcomin - gs of end region entity model of stator are studied ， then meshing method of three dimension end region entity model of powerformer stator is studied as well ， and the simplified entity model is meshed with this meshed model ， the distribution of end region magnetic field of stator is analyzed ， and the magnetic field energy and reactance of powerformer end region are calculated and compared with design value because the prototype is being produced ， in this paper ， stator core ， gap and eddy equipment are not taken into consideration ， and this has a little influence on the result ， but through analysis ， the result is proved to be good through the example calculation ， it is known that the method of this paper is useful and through theoretic analysis ， it is proved that end region
针对一台生产中的样机，对其建立了定子端部三维实体模型，而且为了达到简化计算的目的，研究了如何将其简化的理论，并应用这些理论对样机定子端部实体模型进行了简化；研究了三维实体模型的剖分特点和定子端部实体模型存在的缺点，在此基础之上，研究了对简化的powerformer定子端部三维实体模型的剖分方法，并且对简化的实体模型进行了剖分。应用剖分的三维实体模型，用有限元法分析了powerformer定子端部的磁场分布，计算了端部区域的磁场储能，并利用磁场储能计算了powerformer定子端部漏抗，将计算值与设计值进行了比较、分析。由于样机处在设计生产阶段，本文暂时没有考虑定子铁心、气隙和涡流器件对端部磁场的影响，这对分析结果有一定的影响，但是仍然得到较好结果。 - In this paper ， the design characteristics and development situatution of powerformer are introduced ； the structure of prototype is studied ， and three dimension end region entity model of powerformer stator is established ； the theory of analyzing end region eddy magnetic field of stator by finite element method is studied ； end region magnetic field of stator is analyzed and the numerical value of end region leakage reactance of stator is calculated
本文介绍了powerformer的设计特点和发展现状；研究了其样机本体结构，并建立了定子端部三维实体模型；研究了用有限元法分析定子端部涡流磁场的理论基础；用有限元法分析了定子端部磁场并计算出了定子端部漏抗值。