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Modeling and Simulation of a Moving-Coil Linear Generator

Fazal, Imran and Karsiti , Mohd Noh and Zulkifli, Saiful. A. and Ibrahim, Taib and Rao, K.S. Rama (2010) Modeling and Simulation of a Moving-Coil Linear Generator. In: International Conference on Intelligent and Advanced Systems (ICIAS 2010), 15-17 June, 2010, Kuala Lumpur, Malaysia.

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Abstract

This paper presents the flux analysis of moving coil linear generator using finite element method (FEM). Two generators, 6 poles and 8 poles are used to analyse and compare the flux distribution for air gap. The EMF for both generators are also analyzed. These generators will be used for free piston linear engine. A moving permanent-magnet linear generator has drawbacks of thermal and impact force demagnetization, in addition to requiring complex control strategies. To overcome these limitations, one of the solutions is to have a moving-coil linear generator. This paper presents the flux analysis using finite element method (FEM) for a moving-coil linear generator. The flux varies with a peak-to-peak value of 0.006 Wb with the movement of a single-turn coil. Flux density in the air gap changes sinusoidally with the addition of a DC component. EMF generated in the single-turn coil has a range of ± 2 Volts for a 1-mm air gap and ±1.5 volts for a 2-mm air gap. The analysis is performed to consider replacing the moving permanent-magnet by a moving-coil for a linear generator whose prime-mover is a free-piston linear combustion engine.

Item Type:Conference or Workshop Item (Poster)
Uncontrolled Keywords:FEM and Maxwell ™, Flux linkage, Free-piston linear engine, Moving-coil linear generator.
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments / MOR / COE:Departments > Electrical & Electronic Engineering
ID Code:4465
Deposited By: Mr. Saiful Azrin bin Mohd Zulkifli
Deposited On:18 Mar 2011 01:49
Last Modified:19 Jan 2017 08:24

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