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Evaluation of anti-islanding schemes based on nondetection zone concept

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5 Author(s)
Zhihong Ye ; Corporate Res. & Dev. Dept., Gen. Electr., Niskayuna, NY, USA ; Kolwalkar, A. ; Zhang, Y. ; Pengwei Du
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This paper proposes a nondetection zone (NDZ) as a performance index to evaluate different anti-islanding schemes. The NDZ for three basic passive anti-islanding schemes: under/over voltage, under/over frequency, and phase jump are derived analytically and validated by simulation. Based on the NDZ, not only can the dominant factors that influence anti-islanding protection be identified, it may also support definition of optimal combined schemes that lead to a reduced NDZ. The methodology presented in the paper can be extended to the evaluation of other anti-islanding schemes.

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Power Electronics, IEEE Transactions on  (Volume:19 ,  Issue: 5 )