Vestas Powertrain Services optimised to service +152 GW Generators With more than 550 generator repairs annually, we can offer you state-of-the-art repair and upgrade solutions designed to improve the lifetime of your generator and reduce O&M costs. We currently offer repairs and upgrades for the following gen- erator brands: VND/Weier, Leroy Somer, ABB, Elin, Loher, Siemens, Cantarey, VEM, Winergy, Indar, Hitachi. Inspections The structural base of a generator is exposed to significant mechanical loads over its lifetime. A failure of the base can result in significant damage to your turbine, an issue affect- ing primarily older, welded generator supports. All structural failures begin with a crack. Our inspection technique allows us to detect cracks early and perform cost-effective repairs to ensure the turbine’s structural integrity. Uptower and onsite repairs Carrying out repairs uptower and onsite is the most cost-effi- cient renovation method available. That is why Vestas aims to offer as many uptower solutions as possible. Currently we offer uptower repair work for: • Bearing Shields exchange • Replacement of bearing PT 100 sensors • Bearing journal repair • Replacement of stator cables • Replacement of rotor cables • Replacement of RCC components • Rebalancing • Drive Train / Generator Alignment • High Speed Coupling Replacement • Slip Ring Repair loops and workshop repairs To help you minimise downtime, we offer a unique generator exchange program that uses repair loops from our workshops. To secure a fast return to to normal operations, we carry a stock of replacement generators for many of the leading platforms. If you prefer a 1:1 exchange, we bring your generator to our industry-leading workshop facilities. We then conduct in-depth analysis and troubleshoot the full scope of technical problems, and return the generator to your site. 5
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