BACH ARRAY LINEAR GENERATOR FOR WAVE ENERGY CONVERTERS

Autor: Ahmed ElGebaly, Mohamed El-Nemr
Jazyk: Arabic<br />English
Rok vydání: 2015
Předmět:
Zdroj: Journal of Engineering Research - Egypt, Vol 1, Iss 2015, Pp 202-211 (2015)
Druh dokumentu: article
ISSN: 2356-9441
2735-4873
DOI: 10.21608/erjeng.2015.126847
Popis: linear generators have been proposed as a proper power takeoff system for direct-drive wave energy conversion. Coupled directly to a reciprocating wave energy device, it was declared that linear generators could be a valuable replacement for hydraulic and pneumatic systems. In this paper, the design and performance evaluation of permanent magnet linear generator that implements Halbach array arrangement is established. The designed generator is suitable for direct energy extraction from sea waves at small wave amplitude. The electromagnetic design is performed using finite element method and space harmonic analysis. A comparative study is performed between Halbach array and conventional air-cored linear generators to show the effectiveness of the proposed design. The equivalent circuit based model is utilized to investigate the dynamic performance of the Halbach array generator. The simulated dynamic performance of the designed generator clarifies that the implementation of Halbach array arrangement would improve energy extraction and voltage waveform.
Databáze: Directory of Open Access Journals