Abstract
With increasing demand for high power energy which is fulfilled by use of semiconductors with higher voltage and current to execute such applications. In order to derive high power from medium power-based semiconductors, multilevel inverters are considered to be best solution with advantages over conventional resources. An advanced multi-level inverter topology is offered to optimize the number of switches and improve THD.
Highlights
The converters must be designed to provide high quality output voltage or current waveform with minimal ripple
In high power and high voltage applications, conventional two-stage inverters have some limitations in high frequency operation, mainly due to the switching losses and power supply limits of the power supplies
A variable yield voltage can be acquired by changing the DC input voltage and keeping the inverter consistent
Summary
The converters must be designed to provide high quality output voltage or current waveform with minimal ripple. In high power and high voltage applications, conventional two-stage inverters have some limitations in high frequency operation, mainly due to the switching losses and power supply limits of the power supplies. A variable yield voltage can be acquired by changing the DC input voltage and keeping the inverter consistent. Inverter gain is characterized as the connection between the AC yield voltage and the DC input voltage. In customary two-phase inverters, the information DC voltage is changed over into an AC power gracefully with the ideal recurrence and voltage through strong state circuit breakers. Due to the higher frequency, they cannot be used for high power and high voltage applications because they cause switching losses. 3. The waveform of the ideal inverter output voltage must be sinusoidal, but that of conventional inverters is not sinusoidal and contains some harmonics. In order to overcome these drawbacks multilevel inverters are introduced
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