Method and system for maintaining magnetisation of a wind turbine generator during power grid faults
- 申请公布号：
- EP2075905(A1)
- 申请号：
- EP20070150455
- 申请日期：
- 2007.12.28
- 申请公布日期：
- 2009.07.01
- 申请人：
- VESTAS WIND SYSTEMS A/S
- 发明人：
- GARCIA, JORGE MARTINEZ;NAVARRO, JOSE ANTONIO DOMINGUEZ
- 分类号：
- H02P9/10;F03D7/04;F03D9/00;H02P9/46
- 主分类号：
- H02P9/10
- 摘要：
- The present invention relates to a wind turbine comprising an externally magnetised generator for generating electrical power to be delivered to an associated power supply grid. The wind turbine further comprises means for electrically disconnecting the externally magnetised generator of the wind turbine from the associated power supply grid during a grid fault, energy storing means adapted to provide electrical energy to the externally magnetised generator during the grid fault so that said externally magnetised generator essentially maintains its magnetisation during the grid fault, and power adsorption means adapted to absorb electrical power generated by the externally magnetised generator during the grid fault. The present invention further relates to a method and an electrical arrangement for carrying out the present invention.
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