Gearbox failure is one of the highest risk events in wind turbines. In most of the wind
turbines, planetary gearboxes are preferred over conventional gearboxes due to their
signi
fi
cant advantages. But condition monitoring of planetary gearboxes present a huge
challenge to the vibration analysts due to complex design and construction of its unit,
vibration transducer type and locations, wide frequency range of the vibrations, resolution
required to separate frequencies and dynamic range required to observe both low
frequency and high frequency components in the spectrum