Design of Permanent Magnet Synchronous Generators for Wave Power Generation

• Published in: Transactions of Tianjin University Vol. 22; no. 5; pp. 396 - 402
• Main Author: 方红伟;王丹
• Format: Journal Article
• Language: English
• Published: Tianjin Tianjin University 01.10.2016; Springer Nature B.V
• Subjects: analytical; coefficient; Core loss; Cost analysis; Design analysis; Engineering; Finite element method; generation; generator; geometry; Humanities and Social Sciences; magnet; mechanical; Mechanical Engineering; method; multidisciplinary; ocean; permanent; Permanent magnets; pole-arc; power; Science; synchronous; Synchronous machines; wave; Wave power; mechanical pole-arc coefficient; permanent magnet synchronous generator; analytical geometry method; ocean wave power generation; perma-nent magnet synchronous generator
• ISSN: 1006-4982; 1995-8196
• DOI: 10.1007/s12209-016-2797-5

In this paper, a design method for ocean wave permanent magnet synchronous generator(PMSG)is proposed with new performance criteria to obtain better output performance at the cost of less permanent magnet material. Besides, a simple equivalent analytical geometry method is put forward to calculate the sizes of permanent magnets. Based on geometric and electromagnetic models, four types of rotor structures are compared, i.e., embedded, tangential, tile surface mount and convex surface mount structures. The designs and comparisons of machine are performed with the same permanent magnet volume. Moreover, the influences of mechanical pole-arc coefficient of tile surface mount PMSG on electrical efficiency, output power, material corrosion, core loss, and torque ripple are investigated. Finite-element analysis method is applied to verify the results using Ansoft/Maxwell.