NDLI: Contactless Slipring System based on rotating magnetic field principle for rotary applications

Content Provider	IEEE Xplore Digital Library
Author	Abdolkhani, A. Hu, A.P. Covic, G.A. Moridnejad, M.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. & Comput. Eng, Univ. Of Auckland, Auckland, New Zealand (Abdolkhani, A.; Hu, A.P.; Covic, G.A.; Moridnejad, M.)
Abstract	This paper presents a Contactless Slipring System (CSS) based on rotating magnetic field theory for transferring electrical power to a rotatable shaft. Besides the analytical expressions, a 3-D FEM (Finite Element Model) is developed for simulation study, and a practical circuit is built for system verification and performance evaluation. A method of canceling the rotational torque associated with the rotating magnetic field is proposed and practically verified by testing the prototype system. It has been shown that the proposed system can transfer power up to about 950W to the load at the secondary circuit with a practically achievable quality factor Qs of 5. The FEM simulation and practical results show that unlike the conventional rotating transformer solution, the added magnetic shield increases the power transfer capability by 20%. The uncompensated power receivable at the secondary is 157 VA and 198 VA for the cases without and with aluminum shield respectively.
Starting Page	2566
Ending Page	2573
File Size	1322510
Page Count	8
File Format	PDF
ISBN	9781479903368
DOI	10.1109/ECCE.2013.6647032
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coils Shafts Contacts Aluminum Windings Magnetic fields Integrated circuit modeling
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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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
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