METHOD AND DEVICE FOR CONTROLLING THE OPERATION OF POWER AT THE POINT OF MAXIMUM POWER
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United States of America Patent
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Issued Date -
Sep 2, 2010
app pub date -
Jun 7, 2007
filing date -
Jun 7, 2006
priority date (Note) -
Abandoned
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Abstract
A control method and a control device for controlling a supply unit, which enable supply of the maximum power that can be delivered by a power source, the method includes the presence of an absolute maximum on the curve of the power as a function of the voltage at the connection terminals; the supply system set between the power source and the load is preferably a DC/DC switching converter. The control circuit identifies the optimal operating point, using the relation existing between the harmonic components of the power and the harmonic components of the voltage at the terminals of the source. Starting from any value of the voltage at the connection terminals, the control circuit increments the value of the voltage if, for a given value of the frequency, the power and the voltage at the connection terminals are in phase, whilst it decrements the value of the voltage if the power and the voltage are in phase opposition.
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