CONTROLLABLE POWER BACKUP SYSTEM FOR WIND TURBINE
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United States of America Patent
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Issued Date -
Jul 14, 2022
app pub date -
May 15, 2020
filing date -
May 16, 2019
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Abstract
The present invention relates to a wind turbine comprising an internal power supply grid for distributing power to a number of power consuming units of the wind turbine, the wind turbine further comprising a power backup system connected to the internal power supply grid for supplying power to said internal power supply grid during a grid fault, wherein the power backup system comprises a controllable power storage module providing a total backup voltage that falls within a nominal voltage range of the internal power supply grid of the wind turbine. The present invention also relates to a power backup system and an associated method.
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