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Requests for high quality and continuity of supply have led to the study of DC micro-grids. The realization of these networks would allow exploitation of DC advantages, but it would also create fault clearance and selectivity problems because semi-conductors suffer over-currents and over-voltages. The use of traditional DC circuit breakers is often not acceptable. As an alternative, static switches...
This study addresses the fault protection issues that will be caused by the increased penetration of Renewable Energy Sources (RES). A new Distributed Wide Area Differential Protection (DWADP) scheme is proposed to overcome these problems, and hence to improve reliability of power systems. Tools of intelligence are integrated at the relay level, capable of generating optimal responses, based on communication...
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