I'm running an LM5000 with power turbine for 60hz application. It should be just a control issue to get the speeds up for 60hz operation, unless the PW power turbine is specifically designed for 50hz.
Is this a twinpac application with the FT-8?
Denis
I'm currently using VFD fans (six fans 4 motors) on a 1500 ton R717 unit. We control fan speed off compressor discharge pressure. Original reason for going to VFDs was that the cycling of fans in winter months left only one side of tower running. This created a recycling of air flow through...