Power Converter for Solar Electrical Current Installations and Method for Controlling it
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United States of America Patent
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Issued Date -
Jan 28, 2010
app pub date -
Jul 24, 2009
filing date -
Jul 26, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A power converter having a d.c. voltage input which varies over time and has a maximum voltage, a level converter and at least one inverter, which can be connected to an electrical network. The positive input of the d.c. voltage input is connected with a first switch and with the anode of a first diode. The negative input of the d.c. voltage input is connected with a second switch and with the cathode of a second diode. The cathode of the first diode is connected with a first capacitor, the anode of the second diode with a second capacitor. The two switches and the two capacitors are connected, and their center taps are likewise connected. This constitutes the level converter, which is connected with a downstream inverter. The two capacitors are thereby charged, independently of the input voltage, each at half the value of the set-point intermediate circuit voltage.
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Cited Art Landscape
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