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High quality voltage and current are required when PV generator is connected to grid utility. To this, multilevel inverters are very desirable to be used as connection interface. To keep the cost of the whole system as low as possible, a cost-effective control device using STM32F4 discovery board is employed to control three-level inverter that can be used in grid-tied PV system. The paper develops...
Recently, six-switch dual-terminal inverter (SSDTI) has been proposed as a reduced switch count converter which employs less number of semiconductor devices compared with former dual-terminal inverters proposed so far in the literature. The sinusoidal pulse width modulation (SPWM) is the only switching method which has been presented for this inverter. In this paper a space vector modulation (SVM)...
The paper analyses a random pulse width modulated technique applicable for Z-source inverter. The proposed technique comprises the random pulse position PWM with a randomised frequently triangular carrier having characteristics of both space vector and random lead-lag modulations. This random pulse PWM is produced through the logical comparison of the pseudorandom binary sequence bits with the PWM...
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