Case Study: Mitigating ‘Photographing/Ghosting’ on Collector Rings Wednesday, October 18, 2017 in Case Study No Comment

THE PROBLEM: A large, privately owned company in the southeast U.S. had a 35 MW turbine generator undergo a major rotor overhaul. During this major, new collector rings and new after market, cartridge-style, plug-in holders were installed by a contractor. These new holders were recommended and sold to the plant by an independent sales representative. […]