Wind generator maintenance is one of the highest-leverage activities available to an O&M team. A turbine that loses output due to a degraded slip ring, a worn carbon brush, or a failing pitch control system does not fail visibly: it simply underperforms, runs hotter, and accumulates wear that compounds over time.
Understanding which electrical components require attention, at what intervals, and why they degrade in the first place is the starting point for any maintenance program that aims to protect availability and extend asset life.