Energy
storage
would
allow
wind
farm
operators
to
stabilise
the
flow
of
wind
power
to
the
network,
according
to
US-based
A123
Systems,
which
is
supplying
its
technology
to
Dongfang.
China
surpassed
the
US
last
year
as
the
largest
wind-energy
market,
but
developers
face
challenges
getting
power
onto
the
grid.
Many
turbines
installed
to
date
do
not
have
low-voltage
ride-through
(LVRT)
capability,
resulting
in
disconnection
during
periods
of
low
grid-voltage.
In
addition,
a
lack
of
ramp-management
technology
makes
it
difficult
to
predict
the
output
of
wind
farms
and
leads
to
grid
instability,
A123…