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This study proposes a communication assisted fuzzy based adaptive protective relaying scheme for fault detection, fault classification and faulty phase identification of microgrid along with a solution to isolate the microgrid from the utility grid by disconnecting the static-switch. Any fault in the utility grid causes the microgrid to be isolated from the utility grid whereas if there is a fault...
Travelling wave based fault location uses arrival times of the fault generated travelling waves at the terminals of the line. These arrival times are extracted by using different signal processing tools like Discrete wavelet transform (DWT), S-Transform (ST). The accuracy of fault location is highly influenced by the uncertainties in arrival time measurements. In this paper, an artificial neural network...
This paper describes a fault location method for double-circuit transmission lines using Travelling wave theory with unsynchronized measurements. Wavelet transform is used for analyzing power system fault transients in order to capture the travel time of the transients along the monitored lines between the fault points and relays. An analytical procedure is applied for synchronization of signals....
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