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首页> 外文期刊>Energy Conversion, IEEE Transactions on >An Inner Rotor Flux-Modulated Permanent Magnet Synchronous Machine for Low-Speed High-Torque Applications
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An Inner Rotor Flux-Modulated Permanent Magnet Synchronous Machine for Low-Speed High-Torque Applications

机译：用于低速高转矩应用的内转子磁通量调制永磁同步电机

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摘要

Applications for low-speed high-torque machines include marine propulsion and wind power generation. Since electric machinery size is more directly related to required torque than to required power, high required torque leads to large machines. Mechanical gears increase the speed and lower the required torque of the machine to reduce size. This, however, results in increased noise and maintenance, and decreased reliability. Magnetic gears offer the advantages of mechanical gears without the disadvantages created by physical contact. Integrating magnetic gears into the machine structure offers additional mass savings. This study proposes a novel machine architecture, which integrates magnetic gearing and a permanent magnet synchronous machine to create an inner rotor flux-modulated permanent magnet synchronous machine. Unlike previous arrangements, the proposed machine utilizes a more desirable inner rotor configuration and avoids multiple magnet arrays. This study presents a finite–element-based design model of the proposed machine to be utilized in an optimization-based design environment. A multiobjective design study is presented for a laboratory scale application. The resulting tradeoff between mass and loss is compared with that of a permanent magnet synchronous machine for the same application.
机译：低速高扭矩机器的应用包括船舶推进和风力发电。由于电机的尺寸与所需的扭矩比与所需的功率更直接相关，因此较高的所需扭矩会导致大型机器。机械齿轮可提高速度并降低机器所需的扭矩以减小尺寸。然而，这导致噪声和维护增加，并且可靠性降低。电磁齿轮具有机械齿轮的优点，而没有物理接触所产生的缺点。将电磁齿轮集成到机器结构中可进一步节省质量。这项研究提出了一种新颖的机器架构，该架构将磁齿轮传动装置和永磁同步电机集成在一起，以创建内转子磁通调制的永磁同步电机。与先前的布置不同，所提出的机器利用更理想的内部转子构造并且避免了多个磁体阵列。这项研究提出了将在基于优化的设计环境中使用的拟议机器的基于有限元的设计模型。提出了用于实验室规模应用的多目标设计研究。将质量和损耗之间的折衷与相同应用中的永磁同步电机的折衷进行了比较。

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