Author(s): C. Carnevali, R. Genova, M. Mazzucchelli & A. Sasso
In urban transport new vehicles, equipped by electric motors for traction and
diesel engines to produce electric power, are spreading.
The two opposing
solutions are the hybrid mode, in which the main application in the urban transit
field is the "series" one, and the diesel-electric mode.
The main difference
between these solutions is that the first mode uses a diesel generator that works
with a constant number of revolutions and is designed to keep the traction battery
pack charged, while the second mode needs a bigger diesel generator, with a
variable number of revolutions, that directly produces the traction power, as used
for a long time in rail traction.
On a hybrid bus, when the mean power required
for the line is lower than t...
Size: 1,176 kb
Paper DOI: 10.2495/AIR010341
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