Longitudinal End Effects in a Linear Wave Power Generator

被引：6

作者：

Ekergard, Boel ^{[1
]}

Leijon, Mats ^{[2
,3
]}

机构：

[1] Univ West, Dept Ind Econ Elect & Mech Engn, S-46186 Trollhattan, Sweden

[2] Uppsala Univ, Dept Engn Sci, Swedish Ctr Renewable Elect Energy Convers, S-75121 Uppsala, Sweden

[3] Chalmers Univ Technol, Dept Elect Engn, S-41296 Gothenburg, Sweden

来源：

ENERGIES | 2020年 / 13卷 / 02期

基金：

瑞典研究理事会;

关键词：

linear permanent magnet generator; magnetic analysis; wave energy converter; ENERGY;

D O I：

10.3390/en13020327

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Even though the magnetic circuit of a linear electric machine is very similar to a rotating electric machine, they diverge in one fundamental property. The linear generator is open in both ends, i.e., the magnetic circuit is non-symmetric. This paper investigates and discusses the drawbacks of this non-symmetric design in a linear permanent magnet generator, installed in a wave energy conversion system. A two-dimensional geometry has been utilized for the numerical calculations in a finite element method simulation tool. The results present an increased cogging force and significant core losses in the translator as consequences of the longitudinal ends in the machine.

引用

页数：11