NDLI: Vibration reduction in electric machine by interlocking of the magnets

Content Provider	IEEE Xplore Digital Library
Author	Jang, G.H. Lieu, D.K.
Copyright Year	1965
Abstract	A principal source of vibration in permanent magnet (PM) motors and generators is the traveling attractive forces from the rotating permanent magnets acting on the stator. To reduce the vibration, it is necessary to modify the vibration source and the system characteristics. This vibration source and its reduction were investigated by the finite-element method (FEM), the Maxwell stress tensor, and Fourier decomposition. To avoid coincidence with structural resonances of the machine, it is desirable to reduce both the number of frequency components of the magnetic force and their amplitudes. Interlocking of the magnets, by changing the magnet geometry and including the higher energy magnet materials at the pole transitions, is proposed to reduce the contribution of driving frequencies. Interlocked higher-energy PMs play a favorable role in reducing the overall variation of the magnetic force by compensating the sudden change of the magnetic force at the pole transitions without affecting the torque.<>
Sponsorship	IEEE Magnetics Society
Starting Page	1423
Ending Page	1426
Page Count	4
File Size	423290
File Format	PDF
ISSN	00189464
Volume Number	29
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric machines Magnetic forces Frequency Magnetic materials Permanent magnet motors Stators Finite element methods Tensile stress Magnetic resonance Geometry
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Vibration reduction in electric machine by magnet interlacing

The effect of magnet geometry on electric motor vibration

Modeling of A Linear and Rotary Permanent Magnet Actuator

Investigation of electromagnetic vibration of permanent magnet brushless machines

Double air-gaps permanent magnets synchronous motors analysis

Cogging Torque in Flux-Switching Permanent Magnet Machines

Vibration of Permanent Magnet Brushless Machines Having a Fractional Number of Slots per Pole

Proximity Loss Study In High Speed Flux-Switching Permanent Magnet Machine

Permanent magnet synchronous motor: finite element torque calculations

Vibration reduction in electric machine by interlocking of the magnets

Similar Documents

Vibration reduction in electric machine by magnet interlacing

The effect of magnet geometry on electric motor vibration

Modeling of A Linear and Rotary Permanent Magnet Actuator

Investigation of electromagnetic vibration of permanent magnet brushless machines

Double air-gaps permanent magnets synchronous motors analysis

Cogging Torque in Flux-Switching Permanent Magnet Machines

Vibration of Permanent Magnet Brushless Machines Having a Fractional Number of Slots per Pole

Proximity Loss Study In High Speed Flux-Switching Permanent Magnet Machine

Permanent magnet synchronous motor: finite element torque calculations

Vibration reduction in electric machine by interlocking of the magnets