CONTROL OF ELECTRICAL MACHINES
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United States of America Patent
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Issued Date -
Jul 23, 2015
app pub date -
Jan 20, 2015
filing date -
Jan 23, 2014
priority date (Note) -
Abandoned
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Abstract
An electrical drive system includes an electrical machine whose windings are supplied through solid state switches under the control of a programmable controller. At least two switches act in parallel to provide the current necessary to energise the machine. An apparatus and method are disclosed which enable the controller to monitor the current sharing of the switches and adjust the output of the drive system in the event of any maloperation.
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