Construction
of
the
first
SWT-6.0-154
turbine,
which
features
75-meter-long
blades
–
currently
the
longest
in
the
world
–
and
a
lightweight
200
tonne
nacelle,
follows
erection
of
a
version
of
the
machine
with
a
120-metre
rotor
in
May
2011
at
the
Siemens’
Høvsore
test
site.
The
direct-drive
turbine
is
designed
to
have
a
combination
of
robustness
and
low
weight
to
"reduce
offshore
infrastructure,
installation
and
maintenance
costs,
while
delivering
increased
energy
yield
and
greater
profitability
over
its
life
cycle”,
says
Siemens
Wind
Power
chief
technology
officer
Henrik
Stiesdal.
“The
start
of
field
testing
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