CUED Publications database

Time-Division Multiplexing Wireless Power Transfer for Separately Excited DC Motor Drives

Jiang, C and Chau, KT and Ching, TW and Liu, C and Han, W (2017) Time-Division Multiplexing Wireless Power Transfer for Separately Excited DC Motor Drives. IEEE Transactions on Magnetics, 53. ISSN 0018-9464

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Abstract

This paper proposes and implements the concept of time-division multiplexing (TDM) wireless power transfer (WPT) for separately excited dc motor drives. Essentially, the proposed WPT system has only one transmitter that can transfer power to multiple receivers simultaneously while the power transfer to individual receivers can be independently controlled. Thus, the armature and field currents of the separately excited dc motor can be independently controlled, hence achieving the desired constant torque operation and constant power operation. The key is to make use of the TDM scheme to simultaneously transfer powers to both the armature and field windings. Meanwhile, the burst firing control method is incorporated to independently regulate the power flows to the armature and field windings at the resonant frequency, hence retaining the maximum power transfer efficiency. Both finite element analysis and experimentation are given to verify the validity of the proposed system.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: UNSPECIFIED
Depositing User: Cron Job
Date Deposited: 05 Aug 2019 20:01
Last Modified: 01 Apr 2021 04:48
DOI: 10.1109/TMAG.2017.2695656