Wideband oscillation monitoring in power systems with high-penetration of renewable energy sources and power electronics: A review

Due to the interactions between the generators/power electronic devices and the grids, wideband oscillation events have occurred frequently in renewable power systems with frequencies from several Hz to several kHz. Wideband oscillation monitoring techniques have been emerging in recent years to identify and analyze these events. Unlike existing review papers that concentrate on fundamental synchrophasor technology, this paper reviews the wideband monitoring technology. Specifically, the synchronized wideband phasor measurement techniques and the synchronized waveform measurement techniques are first reviewed. Next, the measurements' applications on wideband oscillation identification, early warning, and mitigation, and other applications in power system operation are carefully introduced. Also, the challenges in wideband phasor estimation and waveform data compression are discussed, and possible solutions are highlighted. Finally, future research opportunities on new applications in wideband oscillation and power quality are highlighted.