Abstract
This paper presents an adaptive damping controller for the pulse width modulation series compensator (PWMSC) to suppress the low frequency oscillation. The adaptive damping controller is designed by using goal representation heuristic dynamic programming (GrHDP), which can facilitate the mapping relationship between input and output signals and improve the control characteristics significantly compared with the conventional heuristic dynamic programming (HDP). Moreover, the adaptive damping controller does not need the system model and has strong learning ability. Simulations results of IEEE 16-machine 68-bus power system show that the proposed GrHDP damping controller can suppress oscillation quickly and has better damping performance than the conventional lead-lag damping controller and HDP based damping controller under different operating conditions and disturbances.
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