Application of optimal control strategy to automatic generation control of a hydrothermal system

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Date
1988
Authors
Kothari, M L
Nanda, J
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Abstract
Highlights the design of automatic generation controllers through optimal control strategy, for an interconnected hydrothermal system using a new performance index that circumvents the need for a load demand estimator. The dynamic performances of these controllers are analysed and compared with those obtained through the usual performance index as that used by Fosha and Elgerd (1970), considering a step-load perturbation in either of the areas. Attempt is made to suitably design the new optimal controller that can provide safe generation rate and reasonably good response.<>
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Keywords
optimal control strategy, hydrothermal system, load demand estimator, dynamic performances, step-load perturbation, new optimal controller
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