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High bandwidth and accuracy of the current control loop are fundamental requisites when a fast torque response is required or for facilitating the reduction of torque ripple in high-performance drives, especially at high speed. One of the most suitable control methods to achieve these goals is dead beat current control (DBCC). Many types of DBCCs have been proposed and implemented in the literature...
This paper presents design and implementation of a Shunt Active Filters (SAF) for aircrafts power networks using an accurate wide-band current control method based on Iterative Learning Control (ILC). The SAF control system is designed to compensate harmonic currents, within a 400 Hz supply voltage. This work introduces useful design strategies to increase the error-decay speed and improve the robustness...
A discrete-time predictive current controller, for the application of active power filtering, is designed and analyzed in this paper. A modified algorithm of reference current prediction in the conditions of step change in amplitude and/or frequency is proposed. The theoretical analysis and the validity of the proposed method are verified by simulations. Comparison for the 5th and the 7th harmonic...
This paper proposes an accurate and simple current control for shunt active filters (SAF) based on a P+Resonant compensator used in conjunction with traditional PI control. The proposed current control system is designed to operate with a single dq reference frame, synchronous with the 50 Hz supply voltage, for the compensation of 5th and 7th harmonics. Another major advantage of this strategy is...
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