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Technical and economical comparison between NdFeB and hard ferrites linear electrical generators from sea waves

  • Autori: Cipriani, G.; Corpora, M.; DI DIO, V.; Miceli, R.; Spataro, C.; Trapanese, M.
  • Anno di pubblicazione: 2015
  • Tipologia: eedings
  • OA Link:


In this paper the authors perform a technical-economic comparison of two different Tubular Permanent Magnet Linear Machines for sea waves generation by using finite elements analysis. The first configuration includes ferrite rings while the second configuration includes neodymium-iron-boron rings. In order to compare the two types in economic and technical terms, a detailed analysis of the main figures of merit of the two configurations has been carried out. In particular, significant data such as flux distribution, rated voltage and current, axial force, electric power, realization cost and maintenance cost have been compared.