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- W122847330 abstract "Low harmonic waveform is a very important requirement of the high powerapplications. Nowadays many researchers are focusing on new voltage source. Suchvoltage sources are formed by Cascade H-bridge Multilevel Inverter with low TotalHarmonic Distortion (THD). A multilevel inverter has wide applications especially forHigh-Power Electrical Vehicle motor drive because they convert small DC voltage tohigh AC voltage. This study investigates the performance and discusses the features oftransformer and transformer-less multilevel inverters. In order to generate sinusoidalwave with minimum total harmonic distortion, one approach has been adapted tocalculate the conducting angles. Simple external circuit was employed to equalize themagnetic flux via each transformer which makes it more efficient in order of themanufacturability. All H-bridge will have the same specifications which enhance themodularity of the system. THD values have been measured experimentally and from simulation results, the results show a good agreement with latest research. Theexperimental result has been compared with the simulation values, considerabledifference have been notice because the effect of some factor such as the difference incomponents quality and the precise of the microcontroller. The PIC microcontroller wasused to generate the gate signals and controlling the swapping circuit. The proposedcircuits were simulated using Orcad/Pspice and experimental prototype was build as adrive for single phase induction motor based voltage 1 frequency method to show thevalidity of this system. Simulation of the diode clamped and transformer-less cascademultilevel inverter has been carried out to investigate their features." @default.
- W122847330 created "2016-06-24" @default.
- W122847330 creator A5087161676 @default.
- W122847330 date "2006-07-01" @default.
- W122847330 modified "2023-09-24" @default.
- W122847330 title "THD Improvement for Variable Speed Drive Using Single Phase Multilevel Inverter" @default.
- W122847330 hasPublicationYear "2006" @default.
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