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Adaptive Agent-Based Wide-Area Current Differential Protection System

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6 Author(s)
Su Sheng ; Coll. of Electr. & Inf. Eng., Changsha Univ. of Sci. & Technol., Changsha, China ; Li, K.K. ; Chan, W.L. ; Xiangjun Zeng
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This paper proposes a multiagent-based adaptive wide-area current differential protection system. A power grid is divided into primary and backup protection zones dynamically online with the help of a developed expert system, and the relay agents of these zones cooperate to perform a differential relaying function. Predictive self-healing strategies have been proposed to prevent misoperation of the relay agent, and the communication system has been simulated. The performance of the proposed adaptive wide-area current differential protection system based on computer simulation is presented in this paper.

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Industry Applications, IEEE Transactions on  (Volume:46 ,  Issue: 5 )