International Journal of Engineering Research in Electrical and Electronic Engineering(IJEREEE)

Monthly Journal for Electrical and Electronic Engineering

International Journal of Engineering Research in Electrical and Electronic Engineering

Volume4 ,March 2017.

Volume4,March 2017,

Topic : A New Hybrid Multi Level Inverter with a New Switching Technique

Authors:Adapala Tejasree || I Siva Prasad

Abstract:Multilevel inverters have been an attractive topology for academia as well as industry in the recent decade for high power and medium voltage energy control. An asymmetric multilevel inverter, a new topology increases the level of output with reduced lower order harmonics and total harmonic distortion. In this paper, a new multi-level inverter (MLI) is introduced. This paper mainly focusing on reduction of Total Harmonic Distortion (THD). By adding one step voltage to the conventional MLI to increase number of levels without increasing the number of switches and to achieve minimum THD with simple switching technique called equal area criteria (EAC). By calculating switching angles at which the power switch should operate to eliminate lower order harmonics. In conventional method (symmetrical voltage sources), we need nineteen power switches to get 31-level. But in proposed MLI only eight power switches we can get up to 31-level with V1:2V1:4V1:8v1 voltage ratios and grate reduction of THD with in IEEE standards. The proposed 31-level inverter is simulated with resistive load using MATLAB/Simulink and the simulation results shown for 31-level..

Keywords: Multi Level Inverter (MLI), Equal Area Criteria (EAC), Total Harmonic Distortion (THD)

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DOI: 01.1617/vol3iss3pid008


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Editor-in-Chief
Dr.Krzysztof Chwastek
Associate Professor,
Czestochowa University of Technology, Polland.


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IMPACT FACTOR: 3.784

ISSN(Online): 2395-2717

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Thomson Reuters ID : q-6288-2016.
ORCiD Research ID : 0000-0001-9540-6799

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Journal Code : IJEREEE
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