The
new
model,
which
features
ultra-flexible
63-metre
blades,
will
target
the
“comfort
zone”
offshore
projects
—
developments
in
depths
of
up
to
30
metres
and
less
than
30km
from
shore
—
using
a
design
built
around
the
company’s
workhorse
SWT-3.6-120.
Nacelle
and
tower
are
“advanced
variants”
of
the
3.6MW
turbine
—
500
of
which
have
been
erected
around
the
globe,
with
another
1,200
on
order
—
while
the
drivetrain
is
an
evolved
version
of
its
predecessor’s
three-stage,
geared
concept,
powering
an
asynchronous
generator.
The
aeroelastic
B63
blades,
said
to
be
the
“longest
and
most
technologically
advanced”
in
the
4MW
class,
have
been
developed
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