A modular multilevel generic pulse-waveform generator for pulsed electric field applications

Elgenedy, Mohamed A. and Darwish, Ahmed and Ahmed, Shehab and Williams, Barry W. (2017) A modular multilevel generic pulse-waveform generator for pulsed electric field applications. IEEE Transactions on Plasma Science. ISSN 1939-9375 (https://doi.org/10.1109/TPS.2017.2727068)

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Abstract

High voltage (HV) pulses are used in pulsed electric field (PEF) applications to provide an effective electroporation process, a process in which harmful microorganisms are disinfected when subjected to a PEF. Depending on the PEF application, different HV pulse specifications are required such as: the pulse-waveform shape, the voltage magnitude, the pulse duration, and the pulse repetition rate. In this paper, a generic pulse-waveform generator (GPG) is proposed, the GPG topology is based on half-bridge modular multilevel converter (HB-MMC) cells. The GPG topology is formed of four identical arms of series connected HB-MMC cells forming an H-bridge. Unlike the conventional HB-MMC based converters in HVDC transmission, the GPG load power flow is not continuous which leads to smaller size cell capacitors utilization, hence smaller footprint of the GPG is achieved. The GPG topology flexibility allows the controller software to generate a basic multilevel waveform which can be manipulated to generate the commonly used PEF pulse-wave forms. Therefore, the proposed topology offers modularity, redundancy and scalability. The viability of the proposed GPG converter is validated by MATLAB/Simulink simulation and experimentation.

ORCID iDs

Elgenedy, Mohamed A. ORCID logoORCID: https://orcid.org/0000-0002-5629-5616, Darwish, Ahmed, Ahmed, Shehab and Williams, Barry W.;
  • Item type:Article
    ID code:61457
    Dates:
    Date
    Event
    21 July 2017
    Published
    21 July 2017
    Published Online
    8 July 2017
    Accepted
    Notes:(c) 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:03 Aug 2017 12:09
    Last modified:11 Nov 2024 11:45
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/61457
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