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Performance Curves of Voltage Relays for Islanding Detection of Distributed Generators

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4 Author(s)
Vieira, J.C.M. ; Dept. of Electr. Energy Syst., State Univ. of Campinas, Sao Paulo, Brazil ; Correa, D.S. ; Freitas, W. ; Wilsun Xu

This letter proposes a method for systematically evaluating the voltage-based relay's capability to detect islanding of distributed generators connected to distribution systems. The method is based on a set of detection time versus reactive power imbalance curves, which can be obtained through repeated dynamic simulations. With the curves, one can determine the characteristics of voltage-based anti-islanding protection systems.

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Power Systems, IEEE Transactions on  (Volume:20 ,  Issue: 3 )