Power converter arrangement and method

Electricity: single generator systems – Generator control – Induction generator

Reexamination Certificate

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Details

C322S044000, C322S046000, C322S054000

Reexamination Certificate

active

07667439

ABSTRACT:
A power converter arrangement for connecting an induction generator to an electric power network comprises a first path provided for transferring electric power from the induction generator to the electric power network during a first operation condition, and a second path provided for transferring electric power from the induction generator to the electric power network during a second operation condition, where the first path includes an AC-AC converter and the second path includes a switch. A capacitor arrangement is interconnected between the induction generator and the first and second paths and a first AC reactor device is interconnected between the capacitor arrangement and the first and second paths, where the capacitor arrangement is provided for compensating for a magnetization current of the induction generator.

REFERENCES:
patent: 6411067 (2002-06-01), Björklund
patent: 7309974 (2007-12-01), Sarlioglu et al.
patent: 7555367 (2009-06-01), Kuge
patent: 7595612 (2009-09-01), Ganev et al.
patent: 1 557 925 (2005-07-01), None
International Search Report and Written Opinion, Apr. 10, 2007, 8 pages.
Preliminary Report on Patentability, Apr. 30, 2008, 8 pages.
Ahmed T, et al.: “Advanced Control of PWM converter with variable-speed induction generator”, IEEE Transactions on Industry Applications, Jul.-Aug. 2006, IEEE, USA.

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