Device for feeding electrical energy from an energy source
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United States of America Patent
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Sep 10, 2013
Grant Date -
N/A
app pub date -
Mar 2, 2012
filing date -
Feb 8, 2007
priority date (Note) -
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Abstract
A device (1) for feeding electrical energy from an energy source with variable source voltage into an electric power supply network (15), said device (1) including a transformer (112) for galvanic isolation, a resonant inverter (11) with semi-conductor switches (a-d; A, B), one or several resonant capacitors (17; 18, 19; 20, 21) and one rectifier (113), is intended to provide high efficiency and have galvanic isolation. This is achieved in that the resonant inverter (11) is operated in the full resonant mode if the operating voltage is in an operation point (MPP) and in the hard-switching mode if the voltages exceed the operation point (MPP).
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