Open Fault Characteristics and Simple Diagnosis Scheme in a Back-to-Back Converter for Wind Power Conversion

Kyeong Hwa Kim

doi:10.4028/www.scientific.net/AMM.541-542.1022

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 541-542Open Fault Characteristics and Simple Diagnosis...

Open Fault Characteristics and Simple Diagnosis Scheme in a Back-to-Back Converter for Wind Power Conversion

Abstract:

Switch open fault characteristics and simple diagnosis scheme in a back-to-back converter are presented for a permanent magnet synchronous generator (PMSG) based variable-speed grid-connected wind power conversion. In the back-to-back converter, the failure in switching devices may occur either in a machine side converter (MSC) or in a grid side converter (GSC), which decreases the generator output power and degrades the stability in wind power generation system. To detect such a fault, the second-order harmonic components of the q-axis current are monitored in the MSC as well as in the GSC. To verify the effectiveness of the proposed scheme, the comparative simulation results are presented.

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Periodical:

Applied Mechanics and Materials (Volumes 541-542)

Pages:

1022-1026

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.541-542.1022

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Online since:

March 2014

Authors:

Kyeong Hwa Kim*

Keywords:

Back-to-Back Converter, Diagnosis, Grid Connected, Switch Open Fault, Wind Power

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References

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