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Study of TFPM machines with toothed rotor applied to direct-drive generators for wind turbines
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| Author(s) |
M.R. Dubois |
| Abstract |
Today, the combination gearbox-medium-speed
(1000-2000 rpm) induction generator dominates the market of
MW-scale wind turbines. This is due to the lower costs of the
gearbox option compared to the costs of gearless systems.
Various Transverse-Flux Permanent Magnet (TFPM) machine
topologies are investigated for cost reduction.TFPM machines
with toothed rotor are compared with the conventional PM
synchronous machines based on their optimized cost/torque.
The TFPM machine with toothed rotor obtains lower cost/torque
for diameters of 0.5 m and 1.0 m. At diameters larger than 1.0 m,
the conventional PM synchronous machine obtains lower
cost/torque. |
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| Filename: | Unnamed file |
| Filesize: | 673.8 KB |
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| Type |
Members Only |
| Date |
Last modified 2006-01-24 by System |
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