In the Modern scenario, the naturally available resources for power generation are being depleted at an alarming rate; firstly due to wastage of power at consumer end, secondly due to inefficiency of various power system components. A Combined Cycle Gas Turbine (CCGT) integrates two cycles- Brayton cycle (Gas Turbine) and Rankine cycle (Steam Turbine) with the objective of increasing overall plant efficiency. This is accomplished by utilising the exhaust of Gas Turbine through a waste-heat recovery boiler to run a Steam Turbine. The efficiency of a gas turbine which ranges from 28% to 33% can hence be raised to about 60% by recovering some of the low grade thermal energy from the exhaust gas for steam turbine process. This paper is a study for the modelling of CCGT and comparing it with actual operational data. The performance model for CCGT plant was developed in MATLAB/Simulink.
Summary
The paper discusses the design, modeling, simulation, and implementation of improved Adaline technique, which has been used for grid synchronization as well as extended further for load compensation. A simple but effective method is proposed to improve the performance of the conventional Adaline technique. The conventional Adaline controller uses a fixed learning rate while the proposed Adaline is developed using variable learning, which improves both the steady‐state and dynamic response. Simulation and experimental results have been demonstrated, which confirm the feasibility of the proposed approach. Suitable performance comparisons highlight the effectiveness of the proposed approach.
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