Large steam turbine plant includes a number of systems to support the main thermodynamic cycle. These systems have been traditionally controlled with stand alone controllers often utilising electro-mechanical relay based systems. These controllers can be replaced by a PLC based controller which has the following advantages:
- Improved reliability
- Improved fault diagnoses facilities
- Can be connected easily to a plant wide DCS system
TCL have completed a number of control system upgrade projects on steam turbine balance of plant (B.O.P) which have included Water Treatment Plant Control.
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