ISLANDING DETECTION INAMICROGRID ENVIRONMENT

Abstract

The island is an unregulated power system. Its behavior is unpredictable due to the power mismatch between the load and generation and lack of voltage and frequency control. For the micro grids to be operated safely and consistently, it is necessary to detect the islanding condition in a grid in a very quick and accurate manner. This thesis report provides a concise view of the development of a power system network using Real Time Digital Simulator (RTDS) and then different passive islanding detection techniques are discussed. A new islanding detection method based on the cumulative sum of the superimposed power is also proposed in the thesis which works satisfactorily in different islanding and non-islanding conditions.