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Content Provider | IET Digital Library |
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Author | Khalik, Ayman S. Abdel Massoud, Ahmed Mohamed Ahmed, Shehab |
Abstract | This study proposes an isolated on-board integrated battery charger using an interior permanent magnet (IPM) machine with a nine-slot/eight-pole combination or its multiples, and equipped with a non-overlapped fractional slot concentrated winding. The proposed winding layout comprises three three-phase winding sets that are connected in such a way as to provide six motor terminals. Hence, a six-phase or two three-phase converters will be required for propulsion. Under motoring mode, the machine can be effectively regarded as a six-phase machine, which provides a high fault-tolerant capability, and allows for a ‘limp home’ mode of operation. Additionally, all magneto motive force subharmonics are eliminated, which significantly reduces the induced rotor eddy current losses, when compared with a conventional three-phase motor having the same slot/pole combination. In battery charging mode, the winding is reconfigured, so that the machine is considered as a three-phase to six-phase rotating transformer. A 40 kW IPM machine is designed and simulated under different modes of operation using two-dimensional finite element analysis to validate the proposed concept. A small-scale prototype machine is also used for experimental validation. |
Starting Page | 124 |
Ending Page | 134 |
Page Count | 11 |
ISSN | 17518660 |
Volume Number | 12 |
e-ISSN | 17518679 |
Issue Number | Issue 1, Jan (2018) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-epa/12/1 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2017.0319 |
Journal | IET Electric Power Applications |
Publisher Date | 2017-09-11 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | 2D Finite Element Analysis A.C. Machine Battery Charging Mode Battery Powered Vehicle Eddy Current Loss Electric Vehicle Finite Element Analysis Interior Permanent Magnet Motor IPM Machine Isolated On-board Integrated Battery Charger MMF Subharmonics Non-overlapped Fractional Slot Concentrated Winding Permanent Magnet Motors Rotating Transformer Rotor Eddy Current Loss Three-phase Motor Three-phase Winding Sets Transportation Winding Layout |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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