From all outward appearances, wind turbines are sleek and elegant works of engineering. But inside, they're hell on gears and bearings. In most turbines, the rotors turn a mechanical transmission that ...

Jari Toikkanen, manager of the research and test group at Moventas, a tier-one wind turbine gearbox supplier, has seen the number of noise and vibration tests ordered by wind turbine original ...

Consider the inside of a typical wind turbine nacelle. It will contain a gearbox, electrical controls, a generator, hub mounting, blade controls, and several other major systems. In the case of ...

In an effort to develop renewable energy sources, engineers are looking for ways to build a better mousetrap. Or, in this case, windmill. As manufacturers continue to lower the cost of wind turbines ...