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In order to simplify the commutation in the virtual rectifier, a zero current commutation model predictive control (ZCC-MPC) method is proposed for the induction motor drive system fed by indirect matrix converter (IMC). Switching states combination is adopted in the virtual inverter instead of single predictive switching state, which ensures that the inverter stage keeps at zero voltage vectors during...
Output voltage distortion of matrix converter is caused by non-ideal characteristics of power electronics, such as multi-step commutation delay, turn-on/off delay time, power device on-state voltage drop and minimum pulse width limitation, which straight deteriorates the performance of matrix converter fed induction motor drive system, especially during low-speed operation. In this paper, output voltage...
In this paper, researches on performance improvements of matrix converter based on reverse blocking IGBT are carried out in terms of PWM strategy, commutation technique and short-circuit protection. An optimization method of space vector PWM for matrix converter is proposed to minimize the distortion of output voltage and current. Commutation technique improvements by using a two-step commutation...
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