Control systems for Turbomachinery and beyond!

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Turbomachinery controls integration from PLC to DCS for Nitric Acid plant, Belgium

April 2022

Control-Care supplied a steam turbine and compressor control solution based on DCS hardware. A dedicated and fault tolerant architecture, based on Honeywell’s C300 controller, with Control-Care's turbomachinery control applications was designed, engineered, supplied and commissioned. We proposed and realized a field proven technical solution and included:

  • 1 ea Steam Turbine Control Application for the steam turbine drive,
  • 1 ea Antisurge Control Application for the air compressor,
  • Software services and modules for viewing the compressor map and application faceplates on operator console(s).

Field supervision & support for hot commissioning and startup of 5 steam turbine driven compressors, Brunei

February 2022

For each compressor, natural gas, syngas, ammonia refrigeration, air and CO2 respectively, a dedicated fault tolerant PLC type controller with purposely built control applications was commissioned. In addition, control for 6 steam turbines for Syngas/Refrigerant/Air/CO2 compressors, Generator and boiler feedwater pump were part of the scope as well. Three of these steam turbines also have extraction control enabled.  The scope of this project was limited only to speed control for the turbines and anti-surge control for the compressors, but was a technical challenge in relation to the tight margins for the extraction control pressure.