Insulated-Gate Bipolar Transistor (IGBT) Inverter With Vector Modulation

Bahari, Norhazilina (2007) Insulated-Gate Bipolar Transistor (IGBT) Inverter With Vector Modulation. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Space vector modulation (SVM) is one of the best choice techniques of modulation to drive 3-phase load such as 3-phase induction motor. In this project, the pulse width modulation strategy with vector modulation is analyzed in detail. The power circuit of a three-phase inverter consists of six-Insulated Gate Bipolar Transistor is used for turn on and off at fast repetition rates and this switching device are selected based on good performances and characteristic. The inverter demanded two inputs which are desired frequency and voltage. The modulation strategy uses switching time calculator to calculate the timing of voltage vector applied to the three-phase balanced-load. Another modulation technique investigated in the research is Sinusoidal Pulse Width Modulation (Sine PWM). The comparative studies of various modulation techniques were based on modeling and simulation approach using Simulink MATLAB Toolbox.

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