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Analysis of Multi Level Current Source Inverter for Low Torque Applications

Publication Type : Journal Article

Publisher : Journal of Green Engineering

Source : Journal of Green Engineering, Volume 8, p.597-620 (2018)

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Campus : Bengaluru

School : School of Engineering

Department : Electrical and Electronics

Year : 2018

Abstract : This paper proposes a control strategy for a multi-level Current Source Inverter (CSI) which acts as an interface between renewable energy sources such as wind, solar, fuel cell etc. and grid/loads to satisfy the power demand. The control strategy aims to reduce the number of switches and the number of input sources used in the CSI and obtain an output with least Total Harmonic Distortion (THD) and increased number of levels (13). The proposed system uses seven switches and three current sources to obtain a 13 level output. The new control strategy is tested in different operating conditions in a split phase single phase low torque induction motor. The Simulation model is developed in MATLAB/Simulink. THDs of 13 level outputs from current source inverter is analyzed and compared in detail. A comparative analysis of the proposed CSI with existing CSI topologies is made. It is observed that the proposed topology uses less number of switches and inductors to obtain different levels at the output. The proposed inverter provides better performance with satisfactory results.

Cite this Research Publication : R. Mahalakshmi, Dr. K. Deepa, and Thampatty, S., “Analysis of Multi Level Current SourceInverter for LowTorque Applications”, Journal of Green Engineering, vol. 8, pp. 597-620, 2018.

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