Electric power system for one or more electric cranes
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United States of America Patent
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Jun 5, 2018
Issued Date -
Oct 13, 2016
app pub date -
Apr 7, 2015
filing date -
Apr 7, 2015
priority date (Note) -
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Abstract
According to one aspect, an electric power system includes an energy storage device having a first peak power rating and an energy transfer circuit operable to provide electric grid energy to the energy storage device. The energy transfer circuit is further operable to cause electric energy to be supplied from the energy storage device to at least one electric crane having a second peak power rating no greater than the first peak power rating throughout an entire operational load range.
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