Retrofits and Upgrades

Retrofits and Control System Upgrades

Ewing Controls can replace older turbine control systems with the latest designs and components.  Our experience building hundreds of purpose-built control systems built for the leading turbine OEMs allows us to bring the controls for your older turbine or turbine generator up to current standards, regardless of the original manufacturer.

  • Replace older, proprietary controls with upgraded system based on the latest, industry-standard control components
  • Turbine only controls, generator only or new combine turbine generator control systems
  • Improve reliability with new components
  • New controls based on Siemens and Allen-Bradley PLC architecture with non-proprietary software
  • Update AVR and generator protection relays on generator systems
  • Ethernet communications including Modbus TCP, OPC, ControlLogix and Profinet plus hardwired signals for integration with plant control systems
  • Modern, intuitive operator interfaces
  • High-reliability designs can include redundant components
  • World-wide training and field service