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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Indonesian Journal of Electrical Engineering and Informatics (IJEEI)
R. Hemantha Kumar
Anna University
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering

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Comparative Evaluation of Generalized Multicell Impedance Source Inverter for Drives V. Raghavendra Rajan; C.S. Ajin Sekhar; R. Hemantha Kumar; M. Sasikumar
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 4, No 1: March 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (516.645 KB)

Abstract

Voltage-Source Inverter is limited by its only voltage step-down operation. In adding with extra boosting the flexibility is kept active for  the number of  semiconductors which is unchanged, voltage-type Z-source inverter was earlier proposed. These new classes of inverter is generally less sensitive to electromagnetic noises. However, their boosting capabilities are anyhow less with high component stresses and poorer spectral performances caused by low modulation index ratios. Their boosting gains are, therefore, restricted in practice. To overcome these we use the generalized switched-inductor Z-source inverter is proposed, By comparing with PWM technique and SPWM technique, whose extra boosting abilities and other advantages have been verified in simulation analysis and experiment.DOI: http://dx.doi.org/10.11591/ijpeds.v4i2.5128
An Interconnected Wind Driven SEIG System Using SVPWM Controlled TL Z-Source Inverter Strategy for Off-Shore WECS Ajin Sekhar CS; V. Raghavendrarajan; R. Hemantha Kumar; M. Sasikumar
Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Vol 1, No 3: September 2013
Publisher : IAES Indonesian Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52549/ijeei.v1i3.89

Abstract

This paper discuss about  the interconnection of wind driven SEIG for drive applications by using TL Z-source inverter strategy .TL Z-source consists of two coupled inductors having turns ratio γTL and four diodes are used . The wind energy system uses a two Self Excited Induction generator (SEIG) connected parallel in order to increase the reliability. The proposed system components like wind turbine SEIG, rectifier, SVM Controlled TL Z-source inverter, are modeled by matlab Simulink. The maximum power can be extracted and supplied to the load efficiently by using TL Z-source inverter with a proper value of modulation index. The simulation output is analysed experimentally using 500 W experimental setup.
Co-Authors Ajin Sekhar CS C.S. Ajin Sekhar M. Sasikumar V. Raghavendra Rajan V. Raghavendrarajan