In this article, a more realistic model of centralized automatic generation control is proposed. Conventional centralized control model does not consider the effect of communication delays between the control center and generating units of the plant. These delays degrade the dynamic performance of automatic generation control or may even lead to unstable system. The proposed model incorporates the effect of these communication delays present in an automatic generation control system. The global controller has been developed for the proposed centralized control model. This global controller requires information of all states of the power system model. The proposed model has been investigated in the real-time environment, done with the help of three personal computers connected in series by Ethernet cables, called the real-time three-personal computer system. The novelty of this is that it is maintenance free, robust, and negligible in cost compared to real-time simulator kits available in the market. In summary, the proposed model of centralized automatic generation control is more realistic, incorporates the effect of communication delays, and investigated in the real-time environment. A novel real-time simulator (real-time three-personal computer system) developed is very cost effective. The results of proposed centralized control model are compared with the conventional centralized control model.
A More Realistic Model of Centralized Automatic Generation Control in Real-time Environment
Electric power components and systems ; 43 , 19
2015
Aufsatz (Zeitschrift)
Englisch
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