Chopper-boosted converter for wind turbines

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United States of America Patent

PATENT NO 9787174
SERIAL NO

14389253

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Abstract

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A converter including a converter control for a wind turbine and a chopper, wherein the converter control includes a dynamic limit value which is allowable for a first tolerance time and a static limit value of the converter. Furthermore, an overcurrent module is provided which includes a limit value expander which is designed to increase the static limit value by a portion of the difference from the dynamic limit value as additional current, and a dynamic module which interacts with the limit value expander in such a way that overcurrents between the static limit value which is increased by the additional current and the dynamic limit value are routed in a first stage to the converter and in a second stage at least partially to the chopper, wherein a switch is made to the second stage after a second tolerance time.

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Patent Owner(s)

Patent OwnerAddress
SIEMENS GAMESA RENEWABLE ENERGY SERVICE GMBHBEIM STROHHAUSE 17-31 HAMBURG 20097

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Letas, Heinz-Hermann Bovenau, DE 27 372
Mohr, Malte Felde, DE 1 4

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