Comparative analysis of rotor losses in high-speed permanent magnet machines with different winding configurations considering the influence of the inverter PWM

2015 Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER) Pub Date : 2015-03-01 DOI:10.1109/EVER.2015.7112942

M. Merdzan, J. Paulides, E. Lomonova

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引用次数: 14

Abstract

Due to development in fields of materials and power electronics, use of high-speed electrical machines has boosted significantly in recent decades. They are widely used in number of applications, such as electrically assisted turbochargers, flywheel energy storage systems, spindle applications, turbo molecular pumps, micro gas turbines. In applications where high efficiency and high power density are required, the most suitable machine type for high-speed operations is a permanent magnet (PM) machine. In this paper the performance of several different topologies of high-speed PM machines required for use in a micro-gas turbine application are evaluated. Different winding topologies, retaining sleeve materials and magnetization patterns are considered, where the main criterion for the machine performance are eddy current losses in the rotor. Influence of time harmonics in stator currents caused by the inverter Pulse Width Modulation (PWM) is incorporated in the calculation.

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考虑逆变器PWM影响的不同绕组结构的高速永磁电机转子损耗对比分析

近几十年来，由于材料和电力电子领域的发展，高速电机的使用大大增加。它们广泛应用于许多应用，如电动辅助涡轮增压器，飞轮储能系统，主轴应用，涡轮分子泵，微型燃气轮机。在需要高效率和高功率密度的应用中，最适合高速运行的机器类型是永磁(PM)机器。本文对用于微型燃气轮机应用的几种不同拓扑的高速永磁机床的性能进行了评估。考虑了不同的绕组拓扑结构，保留套筒材料和磁化模式，其中机器性能的主要标准是转子中的涡流损耗。计算中考虑了逆变器脉宽调制(PWM)对定子电流时间谐波的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER)

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