Development of switched reluctance generator

2014 Fiscal Year Final Research Report

• Project/Area Number: 25630103
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Power engineering/Power conversion/Electric machinery
• Research Institution: Tokyo Institute of Technology
• Principal Investigator: CHIBA Akira 東京工業大学, 理工学研究科, 教授 (30207287)
• Co-Investigator(Kenkyū-buntansha): 杉元 紘也 東京工業大学, 大学院理工学研究科, 助教 (60613552)
• Project Period (FY): 2013-04-01 – 2015-03-31
• Keywords: 発電機 / スイッチドリラクタンス / SR / ハイブリッド自動車

Outline of Final Research Achievements

In this research, an extension of a novel idea of designing a motor for hybrid electrical vehicles is applied to a generator with rare earth permanent magnets. The target is the permanent magnet generator used in hybrid electrical vehicles. A developed switched reluctance generator has small outer dimensions with respect to the permanent magnet generator.
It is found that the developed SR generator is compact in dimensions, in addition, efficiency and output power are competitive to the permanent magnet generator. Moreover, it is found that iron loss is caused by permanent magnets in the permanent magnet generator, but this loss can be avoided in SR generator, thus, there exist an advantage in SR generator.

Free Research Field

自動車工学