Abstract
AbstractIn this paper, an initial design and analytical electromagnetic field solution for Slotless and Dual Quasi‐Halbach (DQH) Permanent Magnet mover is proposed for reciprocating free piston alternator application. Utilizing presented analytical magnetic field solution, Air‐Gap magnetic flux characteristic, and generated voltage are estimated. Using 3‐D finite‐element method (FEM) proposed structure numerically investigated and obtained numerical results employed to confirm the derived analytical models. The analytical results are compared with FEM and show excellent agreement. In order to determine output voltage and power characteristics, the load testing has been performed by a resistive variable load. The obtained results from FEM analysis and analytical magnetic field solution show an enhancement in the proposed alternator performance compared with the alternator with Halbach magnetized configuration, by improving provided power.
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