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

Wenxian Yang, Shuangwen Sheng, and Richard Court
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Publication Issue: 
Special Issue Wind Turbine PHM
Submission Type: 
Full Paper
ijphm_13_008.pdf731.24 KBMay 16, 2013 - 1:07am

Condition monitoring is beneficial to the wind industry for both onshore and offshore plants. However, due to 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. The experiments have shown that these criteria not only provide a solution for detecting both mechanical and electrical faults that occur in wind turbine generators, but provide a potential tool for diagnosing generator winding faults.

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Submission Keywords: 
Wind Turbine
condition monitoring
wind turbine generators
Submission Topic Areas: 
Data-driven methods for fault detection, diagnosis, and prognosis
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