1. Integral Sliding-Mode Direct Torque Control of Doubly-Fed Induction Generators Under Unbalanced Grid Voltage 2. A New Variable-Speed Wind Energy Conversion System Using Permanent-Magnet Synchronous Generator and Z-Source Inverter 3. Load-Tracking Performance of an Autonomous SOFC-Based Hybrid Power Generation/Energy Storage System 4. Design and Control Strategies of an Induction-Machine-Based Flywheel Energy Storage System Associated to [...]