Methods and systems for controlling electrical power to DC loads
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United States of America Patent
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Dec 10, 2013
Grant Date -
Sep 30, 2010
app pub date -
May 13, 2010
filing date -
Jul 31, 2007
priority date (Note) -
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Abstract
Fixed Frequency, Fixed Duration power controls methods and systems are described for application of power to electrical loads. FFFD techniques according to the present disclosure utilize power train pulses with fixed-frequency fixed-duration pulses to control power applied to a load. The load can be any type of DC load. FFFD techniques allows for controlled variation of the fixed length of the ON pulse, the Fixed length of the OFF or recovery period, the total time period for one cycle, and/or the number of pulses in that time period. Applications to electric motors, electric lighting, and electric heating are described. Related circuits are also described.
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