Power frequency converter and associated method
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United States of America Patent
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Nov 1, 2016
Grant Date -
Sep 3, 2015
app pub date -
Mar 3, 2014
filing date -
Mar 3, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A power frequency converter and an associated method are provided to convert an AC input signal at a first frequency, such as a first frequency that is permitted to vary within a range, to an AC output signal at a second frequency that is different than the first frequency and that may be fixed. The power frequency converter includes a plurality of power rectification modules. Each power rectification module includes a plurality of power rectification components for receiving different phases of an input signal at a first frequency. Each power rectification module is configured to provide an output signal to a load, such as an induction motor, at a second frequency. The power frequency converter also includes a controller configured to provide control signals to selectively enable the power rectification modules. The controller is configured to provide the control signals without synchronization to the first frequency.
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