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Application of single-cycle control of the inverter can enhance the inverter DC input immunity. Controling auxiliary voltage and current outer loop in a single cycle, the load capacity of a single-cycle control can be improved. In this paper, for single-phase voltage-type high frequency link matrix inverter, we study a new multi-loop SPWM control strategy based on single-cycle inner control. Simulation...
The single-phase isolated high power factor PWM rectifier is studied as the research object. A novel space vector pulse width modulation (SVPWM) strategy is proposed pointing to the topology character of the single-phase high frequency link matrix rectifier (HFLMR). The SVPWM working principle is described, the specific working states are analyzed and the experiments based on DSP2812 are done. All...
In order to well solve the problem of the output voltage unbalance, which is caused by unbalanced load of high frequency link matrix converter(MC), a kind of high frequency link three-phase four-leg MC has been proposed. Firstly, the root cause of the output voltage unbalance is analyzed. Then through building up the mathematical model of high frequency link three-phase four-leg MC, it is verified...
Matrix Rectifier has evolved from the traditional three phase to three phase Matrix Converter (MC) in recent years, and inherits merits of the traditional MC. Matrix Rectifier could be divided into isolated and non-isolated two types according to using high frequency transformer or not. A kind of isolated Matrix Rectifier topology, i.e., high frequency link Matrix Rectifier (HFLMR) has been selected...
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