Induction motor controller
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United States of America Patent
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Apr 15, 2008
Grant Date -
Mar 20, 2008
app pub date -
Sep 14, 2006
filing date -
Sep 14, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
An induction motor controller that may include three phase paths leading from a power input to a power output, a solid-state switching device interposed between the power input and the power output on each of the three phase paths, a voltage sensor coupled to two of the phase paths between the solid-state switching device and the power output, a current sensor on one of the phase paths, a processor communicatively coupled to the voltage sensor, the current sensor, and the solid state switching device; and a memory coupled to the processor. The processor may be configured to calculate a motor parameter based on a signal from the voltage sensor and a signal from the current sensor and store the calculated motor parameter in memory.
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