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A Modelling And Simulation Of 3-Phase Harmonic Selection Of Voltage Sources Inverter

Buyong, Azrin (2015) A Modelling And Simulation Of 3-Phase Harmonic Selection Of Voltage Sources Inverter. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Nowadays, voltage source inverter has been used widely in power electronic system due to their ability to supply source for medium and high power application. However, the harmonic that exist in the inverter has caused a major problem which is reducing the performance and increasing in losses of power. In order to overcome this problem, various types of control technique are applied to reduce the harmonic especially at the low frequency. This is because the harmonic at low frequency is not suitable for certain equipment because equipment have its own sensitivity. One of the control techniques that can eliminate the low frequency harmonic is the selective harmonic elimination pulse width modulation (SHE-PWM). This technique has been extensively studied compared to others because its ability to eliminate the low frequency harmonic from single or three-phase inverter and also controlling the fundamental Of the system. This research focuses on the SHE-PWM and the model for three phase voltage source inverter is design according to theories collected. All the results gathered from the simulation is tabulated and shown in figures to ease the analysis. The simulation tool used I in this research is MATLAB and this program is suitable for simulating the block diagram for the three-phase voltage source inverter as well as doing analysis for the output waveform. Based on the results, SHE-PWM has a lower total harmonic distortion (THD) and also eliminates the low order harmonics. Hence, SHE-PWM proved that it can eliminate harmonic at low frequency.

Item Type: Monograph (Project Report)
Uncontrolled Keywords: Harmonics (Electric waves), Electric inverters -- Testing, Electric distortion, Electric power systems -- Control
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electrical Engineering
Depositing User: Muhammad Afiz Ahmad
Date Deposited: 08 Nov 2017 04:21
Last Modified: 08 Nov 2017 04:21

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