Abstract
This article deals with automatic generation control of a multi area interconnected hydro thermal system in different modes using intelligent integral and proportional-integral controllers and provides the comparative analysis of electrical and mechanical governors. Appropriate generation rate constraint has been considered for the hydro thermal generation plants. These cumulated thermal areas are considered with reheat turbines. Performances of reheat turbine mechanical governor and hydro turbine electrical governor dynamic responses have been investigated. Further, selection of suitable integral and proportional-integral controllers has been investigated with an Accelerated particle swarm optimization. Cumulative System performance is examined considering with different load perturbation in both cumulative thermal areas. Further, System is investigated with different frequency bias values and results are explored.
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