It is necessary for industries to make energy-saving efforts in order to protect the global environment. Efficient plant operation is one of the measures that can be taken to save energy. A computerized optimum operating system can save aconsiderable amount of energy without any increase in operating labor. Optimization techniques applied to industrial plants must respond quickly to changes in process energy demand, and be easy for operators to handle.Toshiba's new boiler, turbine and generator (BTG)-plant operating system is a highly effective optimization system that meets these requirements. The system features a parameter tuning function to correct the turbine performance characteristics, and a new optimization technique called piecewise convex linear programming (PWC-LP) to rapidly obtain a solution close to the global optimum point.
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