When an electric utility with a power plant in the southwestern U.S. prepared for a planned, major outage on its two Siemens 501D turbines, the plant's manager requested a repair quote for two directional control valves and two gas valves attached to each turbine. We had a problem with one of our controllers that lead [...]The post Outage and Grid Alerts Catalyst for Replacing Obsolete Valves, Actuators appeared first on POWER Magazine.