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Phasor Measurement Units (PMUs) have the potential to play an essential role in power system monitoring and operation in the future, particularly for power systems incorporating increasing amounts of distributed generation (DG) and possibly systems operating in islanded mode in the future [1]. Their ability to directly measure and provide the voltage and current phasors at the PMU location offers...
In this paper wide-area protection is discussed in smart microgrids. Smart grids inherently propose opportunities to enhance the protection of the lines due to the communication capabilities that present. Smart distribution microgrids would have a communication infrastructure that promotes the performance of their protection decisions. The paper considers a sample microgrid with the required communication...
Distance relays used for transmission line protection can mal-operate on power swing. This paper presents protection schemes for out of step detection based on synchronized phasor measurement. Voltages and currents at both the ends of a transmission line are used to derive the parameters required for designing these schemes. The proposed schemes can distinguish stable and unstable power swing and...
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