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This paper proposes a new hybrid asymmetric multilevel inverter for generating the higher number of levels with reduced number of power semiconductor switches. The hybrid asymmetric multilevel inverter consists of full bridge inverter and reduced switch inverter topology. The reduced switch inverter topology can generate 13-level output voltage without utilizing full bridge inverter. When the full...
This paper proposed inverter circuit for low power applications that can generate AC output voltage at fundamental output frequency larger than input voltage without need to increase the number of power switches, several isolated DC source or capacitors and transformer. By applying appropriate duty cycle and PWM switching pattern to the circuit, the near sinusoidal output voltage can be realized with...
Multilevel inverters have proven to be a solid technology in electrical drive applications. A new voltage source multilevel converter topology, that is a hybrid between three-level flying capacitor and T-type inverters, is introduced. The proposed topology can produce live output voltage levels. This paper presents the principle of operation for the topology, including the control of the flying capacitor...
Cascaded H-bridge multilevel inverter topology is one of the most popular topologies in high voltage applications. This topology uses multiple units of H-bridge power cells connected in series chain to produce AC voltage. Multilevel inverters have other topologies that can be used according to condition and demand. Pulse width modulation is a popular method to control Cascaded H-bridge inverters....
Actual developments in medium-voltage drives aim at increasing the power capability of the PWM inverter. Parallel connection of power semiconductor devices permits increasing the output current, while series connected devices increase the output voltage. In either case are additional means required for balancing the current or voltage stress of the devices. The three-level neutral-point clamped (NPC)...
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