Selecting the Best Permanent Magnet Synchronous Machine Design for Use in a Small Wind Turbine

Author:

Lefik Marcin1,Firych-Nowacka Anna1ORCID,Lipian Michal2ORCID,Brzozowska Malgorzata2,Smaz Tomasz2

Affiliation:

1. Institute of Mechatronics and Information Systems, Lodz University of Technology, 90-537 Lodz, Poland

2. Institute of Turbomachinery, Lodz University of Technology, 90-005 Lodz, Poland

Abstract

The article describes the selection of a permanent magnet synchronous machine design that could be implemented in a small wind turbine designed by the GUST student organization together with researchers working at the Technical University of Lodz. Based on measurements of the characteristics of available machines, eight initial designs of machines with different rotor designs were proposed. The size of the stator, the number of pairs of poles, and the dimensions of the magnets were used as initial parameters of the designed machines. The analysis was carried out about the K-index, the so-called index of benefits. The idea was to make the selected design as efficient as possible while keeping production costs and manufacturing time low. This paper describes how to select the best design of a permanent magnet synchronous generator intended to work with a small wind turbine. All generator parameters were selected keeping in mind the competition requirements, as the designed generator will be used in the author’s wind turbine. Based on the determined characteristics of the generator variants and the value of the K-index, a generator with a latent magnet rotor was selected as the best solution. The aforementioned K-index is a proprietary concept developed for the selection of the most suitable generator design. This paper did not use optimization methods; the analysis was only supported by the K-index.

Funder

Institute of Mechatronics and Information Systems, Lodz University of Technology

Publisher

MDPI AG

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