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2012•Chinese Journal of Power SourcesRequires access

Simulation study of inverter controlled by SVPWM

Feng Zhao, Wenxiang Li, Ge Lian

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Abstract

Firstly,a simple and practical mathematical model of three-phase voltage source inverter was introduced in this paper.Then based on the principle of space vector pulse width modulation(SVPWM) technique,the SVPWM algorithm was derived in detail,and the traditional algorithm was improved by over-modulation.The simulation model of three-phase voltage source inverter controlled by SVPWM was established in MATLAB/SIMULINK.The simulation results demonstrate the accuracy and feasibility of the inverter model and SVPWM algorithm.

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What this paper is about

Firstly,a simple and practical mathematical model of three-phase voltage source inverter was introduced in this paper.Then based on the principle of space vector pulse width modulation(SVPWM) technique,the SVPWM algorithm was derived in detail,and the traditional algorithm was improved by over-modulation.The simulation model of three-phase voltage source inverter controlled by SVPWM was established in MATLAB/SIMULINK.The simulation results demonstrate the accuracy and feasibility of the inverter model and SVPWM algorithm.

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Available abstract

Firstly,a simple and practical mathematical model of three-phase voltage source inverter was introduced in this paper.Then based on the principle of space vector pulse width modulation(SVPWM) technique,the SVPWM algorithm was derived in detail,and the traditional algorithm was improved by over-modulation.The simulation model of three-phase voltage source inverter controlled by SVPWM was established in MATLAB/SIMULINK.The simulation results demonstrate the accuracy and feasibility of the inverter model and SVPWM algorithm.

Key concepts: Inverter, MATLAB, Space vector, Pulse-width modulation, Control theory (sociology), Computer science, Voltage, Voltage source inverter

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