Operational-Condition-Independent Criteria Dedicated to Monitoring Wind Turbine Generators

Wenxian Yang, Shuangwen Sheng, Richard Court

Research output: Contribution to journalArticlepeer-review

1 Scopus Citations


Condition monitoring is beneficial to the wind industry for both land-based and offshore plants. However, because of the variations in operational conditions, its potential has not been fully explored. There is a need to develop an operational-condition-independent condition monitoring technique, which has motivated the research presented here. In this paper, three operational-condition-independent criteria are developed. The criteria accomplish the condition monitoring by analyzing the wind turbine electrical signals in the time domain. Therefore, they are simple to calculate and ideal for online use. All proposed criteria were tested through both simulated and practical experiments, showing that these criteria not only provide a solution for detecting both mechanical and electrical faults that occur in wind turbine generators, but that they provide a potential tool for diagnosing generator winding faults.

Original languageAmerican English
Number of pages8
JournalInternational Journal of Prognostics and Health Management
Issue numberSPECIAL ISSUE 2
StatePublished - 2013

NREL Publication Number

  • NREL/JA-5000-60964


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