영구자석 감자를 피하기 위한 새로운 2상 BLDC 전동기의 설계 및 특성 해석Design and Performance Analysis of a Novel Two Phase BLDC Machine with Thin Magnets Avoiding Demagnetization
- Other Titles
- Design and Performance Analysis of a Novel Two Phase BLDC Machine with Thin Magnets Avoiding Demagnetization
- Authors
- 권병일
- Issue Date
- Apr-2014
- Publisher
- 대한전기학회
- Citation
- 2014년도 대한전기학회 전기기기 및 에너지변환시스템부문회 춘계학술대회 논문집, pp.126 - 128
- Journal Title
- 2014년도 대한전기학회 전기기기 및 에너지변환시스템부문회 춘계학술대회 논문집
- Start Page
- 126
- End Page
- 128
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/23297
- Abstract
- This paper presents a novel design and performance analysis of two phase brushless DC motor (TPBDCM) by operating motor in only magnetization (pull) process and avoiding demagnetization (push) process of magnets in the machine. Normally, permanent magnet machines operate in both magnetization (pull) and demagnetization (push) process of magnets. In certain events, permanent magnets (PM) may go to irreversible demagnetization to fail the motor operation. So, thick magnets are used to avoid the demagnetization of magnets. However, modern commercialized rare earth magnets used in electrical machines have significant cost of permanent magnet machines. Thus, this is valuable to be accomplished using very thin rare earth magnets in TPBDCM, which reduces the effective airgap length, the magnet volume as well as the cost of motor with same characteristics achieved at the expense of current density. FEM analysis is performed and compared with a conventional two phase machine.
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Collections - COLLEGE OF ENGINEERING SCIENCES > SCHOOL OF ELECTRICAL ENGINEERING > 1. Journal Articles
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