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Performance of two 5 MW Permanent Magnet Wind Turbine Generators Using Surface Mounted and Interior Mounted Magnets

Poopak Roshanfekr Fard (Institutionen för energi och miljö, Elteknik) ; Torbjörn Thiringer (Institutionen för energi och miljö, Elteknik) ; Mikael Alatalo (Institutionen för energi och miljö, Elteknik) ; Sonja Lundmark (Institutionen för energi och miljö, Elteknik)
2012 20th International Conference on Electrical Machines, ICEM 2012, Marseille, 2 - 5 September 2012 p. 1041-1047. (2012)
[Konferensbidrag, refereegranskat]

This article presents a performance comparison of two permanent magnet synchronous generators for a wind turbine application. The difference is the placement of the magnets, in one case they are surface mounted (SPMSG) and in the other case they are put inside the rotor (insert mounted)(IPMSG). The same amount of magnets, iron and copper has been used in both cases. Two different appropriate voltages have been used in order to broaden the investigation. The result show that the energy efficiency is higher for the IPMSG. The reason is a better power factor. For an average wind speed of 7 m/s, the energy efficiency was 99.3 % for the IPMSG and 99.1 % for the SPMSG using the dc-link voltage 2.23 kV and 99.1 % for the IPMSG and 99.0 % for the SPMSG using the dc-link voltage 1.72 kV. Moreover it was found that the efficiency is affected substantially by the choice of dc-link voltage.

Nyckelord: Wind energy, efficiency, PMSM

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Denna post skapades 2012-07-08. Senast ändrad 2017-10-03.
CPL Pubid: 160233


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Institutioner (Chalmers)

Institutionen för energi och miljö, Elteknik (2005-2017)


Elektroteknik och elektronik

Chalmers infrastruktur