Modeling of Air and Fuel Combustion as Emission in Solving AGC Problem of an Isolated CCGT Plant

Since decades, optimum emission from a power plant has always been an intriguing topic for researchers all over the globe. Accordingly, the interest has driven to the effective combustion modeling which can be designed for optimum emission and design of control system. This paper presents an effective modeling of air and fuel combustion as emission for solving Automatic Generation Control (AGC) problem in Combined Cycle Gas Turbine Plant (CCGT) remotely located. The key inputs are air flow, fuel flow, and secondary controller. The key outputs are frequency and temperature deviation and emissions. A CCGT plant is evaluated with and without consideration of emission modeling to understand the change in system dynamics followed by sudden disturbances. Results infer that emission modeling reduces the frequency and temperature deviation. Further investigation is carried out with CCGT integrated with Wind turbine generator where introducing emission modeling further reduces the frequency and temperature deviation.