Electric power control system and efficiency optimization process for polyphase synchronous machine
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United States of America Patent
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Sep 22, 2015
Grant Date -
Jul 3, 2014
app pub date -
Dec 23, 2013
filing date -
Apr 4, 2006
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Abstract
A system and process includes continuously determining an applied armature voltage supplied to a polyphase synchronous machine for which a maximum mechanical load is characterized by a pull-out torque. The armature voltage is supplied from a power source via one of many taps of a regulating transformer. The armature voltage being supplied from the power source to the machine is changed by selecting one of the voltage levels from the taps of the regulating transformer. The tap voltage levels are selected based on the determined applied armature voltage to minimize power consumption of the machine while ensuring based on a predetermined confidence level that the pullout torque of the machine will not be exceeded.
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