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An asymmetric three-level neutral point diode clamped converter for switched reluctance motor drives is proposed in this paper. The modulation method, DC-link voltage balancing algorithm, and current control scheme of this converter are presented. The proposed three-level converter is compared to the conventional asymmetric half bridge converter in terms of current ripple, cost, and power loss. The...
In this paper, the optimization problem for switched reluctance motor (SRM) is discussed and the convex optimization method is applied to calculate SRM control parameters instead of parameter sweeping. An optimal approach to calculate the maximum torque at each speed is presented. Also, a method to optimize control parameters is presented to minimize the copper loss for the given speed and torque...
This paper proposes a high-performance “cycloconverter-type” high-frequency-link (HFL) single-phase rectifier with an active voltage clamper, which provides bidirectional two-stage galvanic isolation ac–dc power conversion. Modulation strategy, modeling method, and control scheme are comprehensively developed for the HFL rectifier to guarantee its superior performances: 1) two-stage power conversion...
In this paper, a full-bridge full-wave high frequency link inverter with active clamper is proposed. Analysis and modeling of such an inverter are provided. A PR controller is developed and implemented for the inverter. The effectiveness of the proposed inverter and its control strategy are verified by using experiments.
This paper presents a design of space-vector PWM (SVPWM) integrated circuit. The proposed strategy is implemented and verified on a single Altera's Cyclonetrade series of FPGA (EPICF400C7). Experimental results show that this controller can present an excellent drive performance and its switching frequency, as well as its dead time, is adjustable. The design can be used in vector control of AC servo...
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