Modified Modulation Techniques for Cascaded Multilevel Inverter Fed Induction Motor Drive

Modified Modulation Techniques for Cascaded Multilevel Inverter Fed Induction Motor Drive

Ch. Lokeshwar Reddy

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P. Satish Kumar

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M. Sushama

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α Jawaharlal Nehru Technological University, Hyderabad

Modified Modulation Techniques for Cascaded Multilevel Inverter Fed Induction Motor Drive

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Abstract

This paper presents modified Space Vector Pulse Width Modulation (SVPWM) techniques for Cascaded Multilevel Inverter. In the proposed SVPWM technique the reference signals are generated by adding offset voltage to the reference phase voltages. This SVPWM technique does not involve region identification, sector identification or look up tables for switching vector determination as are required in the conventional multilevel SVPWM technique It is also reduces the computation time compared to the conventional space vector PWM technique. The modulation signals are generated by comparing the reference phase voltages with triangular carrier signals. Cascaded multilevel inverter fed with Induction Motor and RL load is simulated for various carrier PWM techniques like PDPWM, PODPWM, APODPWM and PSCPWM. The simulation results are analysed and compared. Among the various modulation techniques, PDPWM is themost efficient one and has better spectral performance and better induction motor performance.

References

13 Cites in Article

Reference Format

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Ch. Lokeshwar Reddy. 2016. \u201cModified Modulation Techniques for Cascaded Multilevel Inverter Fed Induction Motor Drive\u201d. Global Journal of Research in Engineering - F: Electrical & Electronic GJRE-F Volume 15 (GJRE Volume 15 Issue F9): .

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GJRE Volume 15 Issue F9
Pg. 17- 24

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

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Classification

GJRE-F Classification: FOR Code: 290903p

Submission ReceivedFebruary 13, 2015
Peer Review Double Blind
Handling Editor
Accepted March 4, 2015
Published March 15, 2015

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v1.2

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January 15, 2016

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Article Matrices

Total Score: 103

Country: India

Subject: Global Journal of Research in Engineering - F: Electrical & Electronic

Authors: Ch. Lokeshwar Reddy, P. Satish Kumar, M. Sushama (PhD/Dr. count: 0)

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Publish Date: 2016 01, Fri

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Total Views: 4062

Total Downloads: 2082

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