Fig. 1. Test circuits of islanding detection.
Fig. 2. Configuration of systems for islanding detection.
Fig. 3. The proposed reactive power variation method based on positive feedback.
Fig. 4. The proposed control algorithm of power conditioning system.
Fig. 5. Simulation result of the conventional method.
Fig. 6. Simulation result of the proposed method for detecting islanding in fmin.
Fig. 7. Simulation result of the proposed method for detecting islanding in fmax.
Fig. 8. The experimental configuration for verification of islanding detection.
Fig. 9. Experimental results of the proposed method for performance verification.
TABLE I THE SYSTEM PARAMETERS
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