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GE Energy’s condition-based maintenance solution, including the Bently Nevada Adapt.wind software, reduces gearbox maintenance costs and gives wind farms a more competitive edge in the energy market.

As much as 25-30 per cent of wind-farm operating and maintenance costs are associated with gearbox maintenance alone.

Reducing these costs can help wind farms stay more profitable, efficient and competitive, according to the company.

A Bently Nevada integrated condition monitoring system enables operators to understand the gearbox condition remotely.

Dependable knowledge of the gearbox condition enables continued operation and revenue generation when a defect is not significant, while mitigating the risk of run to failure, an unplanned outage or a catastrophic event.

Proactive condition monitoring across the fleet also helps operators plan efficiently for, and co-ordinate, maintenance outages.

Consolidating maintenance into one outage and scheduling one crane can save a large amount of money per year in lost revenue, depending on the size of the wind farm.

GE Energy’s patented Planetary Cumulative Impulse Detection algorithm is a set of measurements that detects and trends the passage of particulates through the planetary stage of a wind-turbine gearbox.

This provides greater insight into gearbox condition and helps pinpoint problem areas.

The company’s Dynamic Energy Index (DEI) algorithm is specifically designed for variable-speed machines.

DEI spreads the variation over five bands of operation for more accurate spectral energy calculations and earlier fault detection.

GE Energy’s wind-turbine condition monitoring solution is part of Adapt.wind, the standard condition monitoring solution on the company’s wind-turbine units, which can be readily deployed on most manufacturers’ ~1.5MW-class turbines.

Turbine owners can expect to see cost savings through several venues, including reducing unplanned crane services and optimising maintenance.

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