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On February 2nd, 2005 at precisely 4.15 pm, the automatic
operation of the world's largest wind turbine, the REpower 5M, was
started.
After the first oil crisis in 1973, early wind turbine development
was driven by simultaneous research programs on very
large machines in Germany, USA, Sweden, the UK and Canada.
From the very beginning, slip ring systems manufactured by
SCHLEIFRING were associated with
these development projects.
A SCHLEIFRING 65-way slip ring with integrated encoder is the
key factor for the transmission of power, electrical signals
and data for the operation of the overall rotor system in this massive
wind turbine. In particular, the power supply for the
engines, with a total of 250A for the rotor blade
adjustment, created quite a challenge in such a compact
design. Our rugged saltwater resistant design and special precious
metal contact configuration allow for uninterrupted operation, even under
extreme environmental conditions, including shock, vibration and
temperature ranging from-20°C to +50°C, as well
as requiring an extremely long life with a minimum of maintenance.
"But what's more important is that it fits so well with our
vision of the future - with commercial wind power energy
as a natural partner in combating global warming, and giving
Germany a leading international role in developing sustainable energy
systems of the future."
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