Application of Reassigned Wavelet Scalogram in Wind Turbine Planetary Gearbox Fault Diagnosis under Nonstationary Conditions

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Gear</td><td align="center">Number of gear teeth</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">Ring</td><td align="center">96</td></tr><tr><td align="left">Planet</td><td align="center">37 (3)</td></tr><tr><td align="left">Sun</td><td align="center">21</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>Note: the number of planet gears is in the parenthesis.<br/></td></tr></table>

Planetary gearbox configuration parameters.

Shock and Vibration

tab4

Table 4

Table 4: Application of Reassigned Wavelet Scalogram in Wind Turbine Planetary Gearbox Fault Diagnosis under Nonstationary Conditions 