Moventas announced that low-speed planetary stage gears and bearings in the Siemens 2.3-MW wind turbines can now be repaired up-tower. Much like the ability to repair the GE 1.5-MW (as recently announced by Moventas), this new up-tower repair capability for the Siemens 2.3 turbine promises to save wind-farm owners significant downtime and expense. Gearboxes that…

Moventas has announce new patent-pending up-tower repair capabilities that promise to save wind-farm owners significant downtime and expense. Effective immediately, all failed ‘low-speed’ planetary stage gears and bearings in most GE 1.5-MW wind turbines can be repaired up-tower at a price that is a fraction of changing out the gearbox. The new repair process has been…

By Louis C. Dorworth Division Manager-Direct Services Abaris Training Resources, Inc. As wind farms age and new turbines grow in height and blade size, the demand for maintenance and repair services is increasing at a rapid rate. Because of this, many new companies have emerged in recent years to meet the demands of wind farm…

Not too many years ago, working up-tower on a wind turbine was challenging if not impossible. Nacelles weren’t designed for easy access. If anything needed fixing inside, whether it was a high-speed shaft or an intermediate bearing, down came the gearbox. What Mark Eagle, General Manager of Moventas, remembers most about those early days in…