Adaptive Power Oscillation Damping Control via VSC- HVDC for the Great Britain Power Grid

Abstract

With the frequent and uncertain variations of loads and renewable generation in the power system, a conventional power oscillation damping (POD) controller with fixed parameters cannot guarantee satisfactory control performance when power system operating conditions change. In this paper, an adaptive wide-area POD is proposed via voltage source converter based high voltage direct current (VSC- HVDC) system to achieve sufficient control effect under different system dispatches. The observation signal and actuator for the POD can be selected in advance considering the system dispatches. Meanwhile, the POD parameters can be adjusted online based on a measurement-driven approach. Simulations of the Great Britain power grid model on the real time digital simulator (RTDS) demonstrate that the adaptive POD can improve the control performance compared to a conventional non-adaptive POD.