Permanent Magnet Motors Capable of Pole Changing and Three-Torque-Production Mode using Magnetization
Permanent Magnet Motors Capable of Pole Changing and Three-Torque-Production Mode using Magnetization
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DOI：
10.1541/ieejjia.2.269
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发表时间：
2013-11
影响因子：
1.7
通讯作者：
K. Sakai;N. Yuzawa;H. Hashimoto
中科院分区：
文献类型：
--
作者：
K. Sakai;N. Yuzawa;H. Hashimoto
电器和电动汽车的节能可以通过降低电动机的功率消耗来实现，电动机以可变速度运行。为了降低电器的能耗，使用弱磁电流来降低高速下的电压，这导致显著的铜损耗和铁损。为了解决这个问题，我们开发了一种新技术，该技术可以根据转速改变永磁（PM）电机中产生扭矩的极数和分量。在这项研究中，我们提出了一种新的电机，改变极和转矩分量，并解释其原理和基本特性。我们的研究结果表明，永磁电机可以从53%到100%的感应电压，通过磁化运行三转矩生产模式，并减少21%的铁损。因此，我们的分析结果证明，所提出的电机可以改变极和转矩分量，并可以用来实现高性能和高效率的变速驱动系统。
Energy saving in electrical appliances and electric vehicles can be realized by reducing the power consumption of their motors, which operate at variable speeds. In order to reduce reducing the energy consumption of electrical appliances, flux-weakening currents are used to reduce the voltage at high speeds, which leads to significant copper and core losses. To counter this problem, we developed a new technique that changes the number of poles and components of torque production in a permanent magnet (PM) motor based on rotational speed. In this study, we propose a novel motor that changes the poles and torque components, and also explain its principles and basic characteristics. The results of our study show that a PM motor can vary the induced voltage from 53% to 100%, operate a three-torque-production mode through magnetization, and reduce core loss by 21%. Thus, the results of our analysis prove that the proposed motor can change the poles and torque components, and can be utilized to achieve high performance and efficiency in variable speed drive systems.