Fault isolation in parallel coupled wind turbine converters

Parallel converters in wind turbine give a number advantages, such as fault tolerance due to the redundant converters. However, it might be difficult to isolate gain faults in one of the converters if only a combined power measurement is available. In this paper a scheme using orthogonal power refer...

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Bibliographic Details
Main Authors: Odgaard, P F, Thøgersen, Paul Bach, Stoustrup, J
Format: Conference Proceeding
Language:English
Subjects:
Blades
Converters
Fault detection
Power measurement
Shafts
Wind turbines
Online Access:Request full text
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Description
Summary:Parallel converters in wind turbine give a number advantages, such as fault tolerance due to the redundant converters. However, it might be difficult to isolate gain faults in one of the converters if only a combined power measurement is available. In this paper a scheme using orthogonal power references to the converters is proposed. Simulations on a wind turbine with 5 parallel converters should a clear potential of this scheme for isolation of this gain fault to the correct converter in which the fault occurs.
ISSN:1085-1992
2576-3210
DOI:10.1109/CCA.2010.5611264