Variable speed wind turbine with reduced power fluctuation and a static VAR mode of operation
Patent
·
OSTI ID:6416248
A variable speed wind turbine is described that generates electrical power that varies dependent upon a fluctuating wind speed, comprising: a turbine rotor including at least one blade mounted to a rotatable shaft; a multiphase generator having a stator and a rotor coupled to the rotatable shaft for rotation therewith, the generator providing electrical power with a varying frequency; a power converter for converting the varying frequency electrical power into constant frequency electrical power, the power converter including a DC voltage link; and an electrical energy source connected to the DC voltage link, the electrical energy source capable of supplying sufficient energy to smooth constant frequency power fluctuations during wind speed fluctuations.
- Assignee:
- Windpower, Inc., Livermore, CA (United States)
- Patent Number(s):
- US 5225712; A
- Application Number:
- PPN: US 7-799416
- OSTI ID:
- 6416248
- Country of Publication:
- United States
- Language:
- English
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