A Transformerless Bipolar/Unipolar High-Voltage Pulse Generator with Low-Voltage Components for Water Treatment Applications

Ahmed A. Elserougi, Mazen Faiter, Ahmed M. Massoud, Shehab Ahmed

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Pulsed electric field is a commonly used and effective disinfection method in drinking water treatment applications. In this paper, a transformerless unipolar/bipolar high-voltage pulse generator is presented with well-regulated pulsed output voltage for drinking water treatment via underwater pulsed corona discharge. The proposed high-voltage pulse generator is fed from a relatively low-voltage dc supply. Then, capacitor-diode voltage multiplier centrally fed from a dc-dc boost converter is used to elevate the input voltage to a proper high-voltage level. Finally, a modular multilevel converter is employed to chop the elevated voltage into unipolar or bipolar pulsed output voltage (based on the user selection). The suggested arrangement provides a high-voltage gain with relatively low-voltage components, i.e., neither high-voltage nor series-connected components are needed in the proposed approach. A comparison between the proposed approach and the other Marx-Based pulse generators has been held to show the merits of the proposed approach. A detailed design of the generator passive components and semiconductor devices has been presented. Simulation and experimental results are presented for the unipolar as well as the bipolar pulsed output to validate the proposed concept.

Original languageEnglish
Article number7847354
Pages (from-to)2307-2319
Number of pages13
JournalIEEE Transactions on Industry Applications
Volume53
Issue number3
DOIs
Publication statusPublished - 1 May 2017

Fingerprint

Pulse generators
Water treatment
Electric potential
Potable water
Disinfection
Semiconductor devices
Diodes
Capacitors
Electric fields

Keywords

  • Capacitor-diode voltage multiplier (CDVM)
  • high-voltage pulse generator
  • modular multilevel converter (MMC)

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

A Transformerless Bipolar/Unipolar High-Voltage Pulse Generator with Low-Voltage Components for Water Treatment Applications. / Elserougi, Ahmed A.; Faiter, Mazen; Massoud, Ahmed M.; Ahmed, Shehab.

In: IEEE Transactions on Industry Applications, Vol. 53, No. 3, 7847354, 01.05.2017, p. 2307-2319.

Research output: Contribution to journalArticle

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