Comparative design of radial and transverse flux PM generators for direct-drive wind turbines

Author

Bang, Deok-je ; Polinder, Henk ; Shrestha, Ghanshyam ; Ferreira, Jan Abraham

Author_Institution

Electr. Power Process., Delft Univ. of Technol., Delft

fYear

2008

fDate

6-9 Sept. 2008

Firstpage

1

Lastpage

6

Abstract

The aim of this paper is to assess the radial flux permanent magnet (RFPM) and transverse flux permanent magnet (TFPM) generators for large direct-drive wind turbines. For the assessment, the electromagnetic design of RFPM and TFPM generators is done. The analytical design result of a TFPM generator is compared with the experimental result. A RFPM machine concept and four different TFPM machine concepts are designed electromagnetically for 5 MW direct-drive wind turbines. These machines are assessed with criteria such as the cost, the mass, the copper loss, the power/mass ratio, the power/cost ratio, the cost/mass ratio and the mass/torque ratio.

Keywords

motor drives; permanent magnet generators; wind turbines; copper loss; cost-mass ratio; direct-drive wind turbines; electromagnetic design; mass-torque ratio; power 2 MW; power-cost ratio; power-mass ratio; radial flux permanent magnet generators; transverse flux permanent magnet generators; Copper; Costs; Permanent magnets; Power generation; Radio frequency; Rotors; Topology; Torque; Wind energy generation; Wind turbines;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Machines, 2008. ICEM 2008. 18th International Conference on

Conference_Location

Vilamoura

Print_ISBN

978-1-4244-1735-3

Electronic_ISBN

978-1-4244-1736-0

Type

conf

DOI

10.1109/ICELMACH.2008.4800027

Filename

4800027