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Design And Development Of Single Phase 3-Level Cascaded H-Bridge Multilevel Inverter Using Sinusoidal Pulse Width Modulation

Gan, Chong Chun (2017) Design And Development Of Single Phase 3-Level Cascaded H-Bridge Multilevel Inverter Using Sinusoidal Pulse Width Modulation. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Design And Development Of Single Phase 3-Level Cascaded H-Bridge Multilevel Inverter Using Sinusoidal Pulse Width Modulation.pdf - Submitted Version

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Abstract

Multilevel inverter as inverter to transform DC source to AC source with low harmonic distortion and high power. In some impoverished country, the citizen without extra money to buy the backup power inverter. In Malaysia, the price of power inverter is around more than RM100 in market. The aim of this project was to design and development of single phase 3-level cascaded H-bridge multilevel inverter using sinusoidal pulse width modulation. The methods consist of 6 part, that is, schmitt-trigger oscillator and low-pass filter with sallen and key topology, precision half-wave rectifier, inverting op-amp amplifier, PWM circuit and H-bridge inverter. The multisim as simulation software to test each part of circuit and obtained and recorded the waveform. Then, used the breadboard as testing device to test the circuit constructed by multisim. The output waveform was obtained by using the oscilloscope equipment. The result consist of sine wave, half-sine wave, inverting half-sine wave, PWM signal and 3-level output voltage. Lastly, compare and analyse the simulated results, breadboard results and prototype results. The power produced by this type of H-bridge inverter is around 250W. Based on P=VI, the higher the 3-level output voltage, the lower the 3-level output current. As a conclusion, the PWM signal is the key to generate the 3-level output voltage and the objective of this project was also be accomplished.

Item Type: Monograph (Project Report)
Uncontrolled Keywords: Electric current converters, Electric inverters
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Library > Projek Sarjana Muda > FTK
Depositing User: Mohd Hannif Jamaludin
Date Deposited: 03 Dec 2018 04:06
Last Modified: 03 Dec 2018 04:06
URI: http://eprints.utem.edu.my/id/eprint/22197

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