Abstract:The benefit of trolley truck systems is the substitution of the diesel fuel by the cheaper and more
ecological electrical energy. Trolley trucks are powered by electricity from two overhead contact
lines, where one is the supply and the other the return conductor. Such trolley trucks are used
for haulage at open pit mining sites but could also be used for freight traffic at roadways in the
future. Automatic guidance prevents the trolley-powered trucks from leaving the track and thus
allows higher operating spe…
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