Power conversion systems

Electrical transmission or interconnection systems – Plural supply circuits or sources – Plural converters

Reexamination Certificate

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Reexamination Certificate

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07989983

ABSTRACT:
In a general aspect, a power conversion system includes a power converter, a transformer, and a voltage adjustment device. The power converter is configured to receive a variable DC power generated by a power generation device and to convert the received DC power to AC power at a first voltage. The transformer is configured to receive the AC power from the power converter and to deliver AC power at a second voltage to a utility power network. The voltage adjustment device is configured to adjust the first voltage to a target value determined on the basis of a voltage of the DC power.

REFERENCES:
patent: 5625539 (1997-04-01), Nakata et al.
patent: 5999430 (1999-12-01), Aritsuka
patent: 6111767 (2000-08-01), Handleman
patent: 2004/0164557 (2004-08-01), West
patent: 2007/0057651 (2007-03-01), Hoffman
patent: 2008/0238195 (2008-10-01), Shaver et al.
patent: 101577509 (2009-11-01), None
patent: 1870996 (2007-12-01), None

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