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References (12)
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P. Posinasetti, P. Yarlagadda, M. Kang (2005)
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European Standard EN 50445
Product family standard to demonstrate compliance of equipment for resistance welding, arc welding and allied processes with basic restrictions related to human exposure to electromagnetic fields (0 Hz ‐ 300 GHz)
- Publisher
- Emerald Publishing
- Copyright
- Copyright © 2012 Emerald Group Publishing Limited. All rights reserved.
- ISSN
- 0332-1649
- DOI
- 10.1108/03321641211227393
- Publisher site
- See Article on Publisher Site
Abstract
Purpose – The purpose of this paper is to investigate the exposure of human workers to low and high frequency electromagnetic fields during operation of GMAW‐P welding machines. Design/methodology/approach – First, a numerical parametric analysis of the current waveform has been performed in Matlab, with reference to the human exposure; then a simulation model of a full welding system has been implemented in Simulink/Matlab. The effect has been numerically quantified accordingly to European Standards EN 50444 and EN 50445. Findings – Contributions to human exposure of specific parts of the current waveform have been evaluated. A new numerical implementation of a full welding system has been done. Practical implications – The paper shows that there could possibly be improvement in the design of current waveforms, with respect to a reduced human exposure of workers to electromagnetic fields. Originality/value – The paper presents a new numerical tool that can be useful since the design phase of a welding system for the evaluation of human exposure of workers to electromagnetic fields.
Journal
COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering – Emerald Publishing
Published: Jul 6, 2012
Keywords: Gas metal arc‐welding; Electromagnetic fields; Human exposure; GMAW‐P welding machine; Converter scheme; Current waveform