DC ELECTRICAL MACHINE WITH CENTER-TAP WINDINGS SYSTEMS AND METHODS
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United States of America Patent
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Oct 31, 2017
Grant Date -
Nov 23, 2017
app pub date -
May 17, 2016
filing date -
May 17, 2016
priority date (Note) -
Granted
status (Latency Note)
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Abstract
A direct current electrical machine, which includes a rotor that generates a rotor magnetic field, a first commutation cell that includes a winding component, a first switching device, and a second switching device. The first winding component includes a first portion electrically coupled between a first terminal and a second terminal of the first winding component and a second portion electrically coupled between a third terminal and the second terminal of the first winding component. The first switching device is electrically coupled to the first terminal and is closed when a first voltage induced across the first portion by rotation of the rotor magnetic field is positive; and the second switching device is electrically coupled to the third terminal and is closed when a second voltage induced across the second portion by the rotation of the rotor magnetic field is negative.
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