Induction and switched reluctance motor
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United States of America Patent
Stats
-
Dec 14, 2010
Grant Date -
Dec 10, 2009
app pub date -
Apr 5, 2006
filing date -
Apr 19, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This application describes a motor designed to operate as a reluctance machine at low speeds and as an induction machine at high speeds. The drive waveform is composed of one or more harmonics to be used to match the reluctance pattern of the stator-rotor, causing the rotor to rotate due to the reluctance effect, and one or more other harmonics to induce current in the rotor, causing the rotor to rotate due to the induction effect and the subsequent interaction of the stator and rotor magnetic fields. The two effects are generally not applied simultaneously.
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