Power circuit topologies and energy conversion principles, Large/small-signal and harmonic models, Current and voltage controls (PI, resonant, predictive, sliding mode, etc.), Energy/power control and management, Grid-synchronization and fault-ride-through techniques, Observer-theory applications, Robust and adaptive control techniques, applications in Distributed Generation (DG), Micro-grids, DSTATCOM, Active Power Filter (APF), HVDC-light, etc.