A Review of Islanding Detection Methods for Photovoltaic Generation System

Islanding phenomenon may be caused by power system fault. Therefore, islanding detection is the priority among priorities. Islanding detection is a prerequisite of two operating mode switching for Micro-Grid. Characteristics of methods of islanding detection are introduced in the paper. The advantages and disadvantages of these methods are analyzed and summarized in detail. In this way, the best detection result can be achieved by exploiting the advantage of each method. A reference for the choice of what kinds of detection methods in the practical application is provided, which has certain guiding significance. The future research will focus on the transition from interconnected to islanding and application of islanding operation in microgrid.

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