Peak demand reduction in mining haul trucks utilizing an on-board energy storage system
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United States of America Patent
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Aug 6, 2013
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app pub date -
Oct 23, 2009
filing date -
Oct 23, 2009
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Abstract
A mining haul truck driven by electrical wheel motors is powered by a trolley power system during an uphill climb. Retard energy captured during braking action on either the uphill climb or downhill descent is stored by an on-board electrical energy storage system. Electrical power is supplied from the on-board electrical energy storage system to reduce the peak power demand on the trolley power system during the uphill climb. One implementation of the on-board electrical energy storage system uses an ultracapacitor system.
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