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主 讲 人:傅为农 教授

地  点:电气学院二楼多功能厅

主 办 方:电气工程与自动化学院

开始时间:2018-01-12 15:00

结束时间:2018-01-12 16:30

电机结构变化的多样性和规律性——创意无所不在

Diversity and Regularity of Topology Variations of Electric Machines  ——Innovations, you can find it everywhere

教授简介

傅为农博士,现任香港理工大学电机工程学系教授。

傅为农教授1997 年在上海大学电机工程系获博士学位。1999 年在香港理工大学电机工程学系获博士学位。2000 年在新加坡国立大学做访问学者。2001 年至2007 年在美国Pittsburgh著名的电磁场计算商业软件Ansoft 公司从事电磁场计算软件的研发工作,是Maxwell 2D3D商品化软件的关键开发者之一。主要研究方向:电磁场数值计算方法、电器产品优化设计方法。已发表国际期刊论文200多篇。在10多个电磁场和电机的国际会议中分别担任组委会委员、程序委员会委员、编辑委员会委员以及分会主席等。


讲座内容摘要:

Exploring novel electric machines (EMs) with high efficiency, high torque density, and low cost is always an interesting research topic. In recent decades many different types of new EMs have emerged. Among others, these machines include a basic flux-modulated motor which uses the variation of magnetic reluctance to produce constant torque, a vernier motor which has special slot combinations, a doubly-fed magnetic reluctance machine which has two sets of windings on its stator, a flux-switching motor which has permanent magnets (PMs) on its stator, a dual-PM-excited motor with PMs on both rotor and stator. These machines have their own merits in specific applications. In this seminar, the internal relationships and operating mechanisms of these machines will be scrutinized and all these machines will be summarized as general flux-modulated machines, as they all employ non-uniform magnetic reluctance to modulate their magnetic flux to produce constant torque. A general theory to explain the operating principle of all these machines will be proposed. The examples of its applications for developing novel electric machines will be presented.