Electric power conversion systems – Current conversion – With starting arrangement
Reexamination Certificate
2010-02-24
2011-11-01
Behm, Harry (Department: 2838)
Electric power conversion systems
Current conversion
With starting arrangement
C323S906000, C323S266000
Reexamination Certificate
active
08050062
ABSTRACT:
A system for supplying AC power from a DC power source, such as a photovoltaic array is disclosed. The system includes a converter and an inverter coupled by a DC link. Control methods and systems are provided to maintain the DC source voltage and the DC link voltage below the open-circuit voltage of the DC power source. During steady state conditions, the DC source voltage and the DC link voltage are maintained below the open-circuit voltage of the DC power source by controlling the output of the inverter. The DC link voltage is temporarily adjusted to allow for higher DC link transients when the DC power source is first coupled or re-coupled to the system. During conditions when the inverter is decoupled from the system, the converter is controlled to maintain the DC link voltage below the open-circuit voltage of the DC power source.
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English Abstract of EP 1463188A2.
Galbraith Anthony William
Smith David
Wagoner Robert Gregory
Behm Harry
Dority & Manning P.A.
General Electric Company
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