Method and apparatus for operating electrical machines

Prime-mover dynamo plants – Fluid-current motors – Wind

Reexamination Certificate

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Details

C322S024000, C322S028000

Reexamination Certificate

active

07629705

ABSTRACT:
A method for operating an electrical machine includes coupling the electrical machine to an electric power system such that the electric power system is configured to transmit at least one phase of electric power to and from the electrical machine. The method also includes configuring the electrical machine such that the electrical machine remains electrically connected to the electric power system during and subsequent to a voltage amplitude of the electric power system operating outside of a predetermined range for an undetermined period of time.

REFERENCES:
patent: 5239251 (1993-08-01), Lauw
patent: 6583521 (2003-06-01), Lagod et al.
patent: 6693409 (2004-02-01), Lynch et al.
patent: 6850426 (2005-02-01), Kojori et al.
patent: 2004/0145188 (2004-07-01), Janssen et al.
patent: 2004/0145357 (2004-07-01), Lynch et al.
patent: 2006/0002157 (2006-01-01), Petter et al.
patent: 2007/0132248 (2007-06-01), Weng et al.
patent: 2007/0290506 (2007-12-01), Walling
patent: 2008/0238215 (2008-10-01), Ye et al.

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