Control of a switched reluctance machine
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United States of America Patent
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Mar 15, 2011
Grant Date -
Jun 5, 2008
app pub date -
Nov 28, 2007
filing date -
Dec 4, 2006
priority date (Note) -
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Abstract
The windings of a switched reluctance machine are supplied from a converter which is capable of providing bipolar energization. The energization pattern supplied to the windings is dependent on the number of stator and rotor poles in the machine and is selected to produce unipolar energization in the rotor poles. This in turn reduces the losses in the rotor which would otherwise result from bipolar energization. The machine may also be operated to provide energization patterns which are adapted to provide optimum performance in different parts of its operating speed range.
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