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Power system stabilizers (PSS) works in conjunction with the excitation system to provide damping of the oscillation of synchronous machine. It has long been recognized as an effective means of curbing low frequency oscillations. Studies reveal that gain setting of the PSS needs to be restricted to a low value in order to ensure that none of the modes are adversely affected with the incorporation...
In a Power station, with multiple units and variety of control systems, management of alarms is the biggest challenge. The operator of each unit will be able to act upon the alarm depending upon the priority of the alarm message. There are two kinds of alarms. One process related alarms on which operator needs to act upon the disturbance. Second the equipment or system related alarm on which the operator...
Coal is the major fossil fuel in India and continues to play a pivotal role in the energy sector. In coal-fired thermal power plants the NOx emission reduction can be achieved through the help of expert system which consist of two stages. The first stage is based on a ANN (Artificial Neural Network) model with combustion parameters as inputs and nitrogen oxides as output of the model. The predicted...
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