Last Updated：2022/12/22
Sentence
On
the
long,
continuous
downgrades
of
East
Africa
dynamic
braking
is
of
special
value;
the
traction
motors
are
used
as
generators
and
their
energy
output
dissipated
in
force-ventilated
banks
of
resistors.
This
facility
enables
a
700-ton
trailing
load,
for
example,
to
be
brought
down
a
1
in
66
gradient
at
any
selected
speed
between
14
and
25
m.p.h.
without
use
of
the
air
brakes.
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On the long, continuous downgrades of East Africa dynamic braking is of special value; the traction motors are used as generators and their energy output dissipated in force-ventilated banks of resistors. This facility enables a 700-ton trailing load, for example, to be brought down a 1 in 66 gradient at any selected speed between 14 and 25 m.p.h. without use of the air brakes.
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