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Cascaded H-Bridge Multilevel Inverter Operating Under Faulty H-Cell Condition

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Proceedings of the International Conference on Intelligent Systems and Signal Processing

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 671))

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Abstract

Reliability is an important aspect in the multilevel inverters (MLIs) as they are used for high-power applications and also the number of switch increases with the increase in levels. The efficiency improvement, optimized control strategies, new applications, and fault-tolerant operation are another area of interest of researcher for MLIs. In this paper, the control scheme of cascaded H-bridge multilevel inverter operating under faulty H-cell condition is presented. A modified level-shifted pulse width modulation (LS-PWM) method is used for the control of cascaded H-bridge multilevel inverter operating under faulty conditions. To study the open-circuit and short-circuit fault cases of the H-cell of cascaded H-bridge inverter, two methods of switching have been presented and simulated using MATLAB/Simulink. Neutral shift method is used for achieving balanced line-to-line voltage and line-to-line current. Additionally, to distribute power among H-bridge power cells, rotation scheme in LS-PWM has also been simulated. The simulation results validate the fault-tolerant operation of cascaded H-bridge MLI.

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Authors and Affiliations

  1. Sarvajanik College of Engineering & Technology, Surat, India

    Soniya V. Atodaria & Nilesh V. Shah

Authors
  1. Soniya V. Atodaria
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  2. Nilesh V. Shah
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Corresponding author

Correspondence to Soniya V. Atodaria .

Editor information

Editors and Affiliations

  1. Department of Electronics and Communication Engineering, G.H. Patel College of Engineering and Technology, Vallabh Vidyanagar, Gujarat, India

    Rahul Kher

  2. Department of Information Technology, G.H. Patel College of Engineering and Technology, Vallabh Vidyanagar, Gujarat, India

    Dr. Nikhil Gondaliya

  3. Department of Electrical Engineering, G.H. Patel College of Engineering and Technology, Vallabh Vidyanagar, Gujarat, India

    Mukesh Bhesaniya

  4. SnT, University of Luxembourg, Esch-sur-Alzette, Luxembourg

    Latif Ladid

  5. University of Oklahoma, Norman, Oklahoma, USA

    Mohammed Atiquzzaman

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Atodaria, S.V., Shah, N.V. (2018). Cascaded H-Bridge Multilevel Inverter Operating Under Faulty H-Cell Condition. In: Kher, R., Gondaliya, D., Bhesaniya, M., Ladid, L., Atiquzzaman, M. (eds) Proceedings of the International Conference on Intelligent Systems and Signal Processing . Advances in Intelligent Systems and Computing, vol 671. Springer, Singapore. https://doi.org/10.1007/978-981-10-6977-2_28

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  • DOI: https://doi.org/10.1007/978-981-10-6977-2_28

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-6976-5

  • Online ISBN: 978-981-10-6977-2

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