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State Feedback Based Islanding Detection in Grid-Tied Distributed Resources with Zero Non-detection Zone
  • Sugoto Maulik ,
  • Vinod John
Sugoto Maulik
Indian Institute of Science, Indian Institute of Science, Indian Institute of Science

Corresponding Author:[email protected]

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Vinod John
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This paper presents a method for islanding detection of power-electronic interfaced grid-tied distributed energy resources. A dynamic phasor-based modeling approach is used to synthesize a state-space model of the islanded network. This model leads to the formation of a  generalized framework wherein the application of state feedback is designed to destabilize the islanded network. The proposed method can detect islands within one fundamental cycle of operation with passive loads of unity, lagging, and leading power factors. The detection scheme has a zero Non-detection Zone (NDZ), and detection times are within the  criteria suggested in IEEE Std. 1547-2018.