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Wind Power for the World
book

Wind Power for the World

by Preben Maegaard, Anna Krenz, Wolfgang Palz
June 2013
Beginner content levelBeginner
676 pages
20h 39m
English
CRC Press
Content preview from Wind Power for the World
450
Direct Drive Wind Turbines
However, wind farm operators have had big problems with
the drive trains ever since wind turbines came into use. The main
problems are the long standstill periods through total standstills,
expensive repairs and time-consuming maintenance work at the
gearbox.
19.3  Direct Drive Revolution
          
to the market in 1995 by the German manufacturer Enercon,
which replaced the gearbox and the fast-running generator with a
low speed, circular multi-pole generator that was directly connected
to the rotor (Fig. 19.5).
Figure 19.5
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Publisher Resources

ISBN: 9789814364935