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A systematic approach to the conducted EMI suppression in plasma cutting power supply

  • Abdolreza Esmaeli*
  • , Zhao Ke
  • , Sun Li
  • *Corresponding author for this work
  • School of Electrical Engineering and Automation, Harbin Institute of Technology
  • Atomic Energy Organization of Iran

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Electromagnetic interference (EMI) filter design aspect of high-density plasma cutting power supply is developed. Converter components are accurately modeled, with parasitic elements extracted to reveal their impacts on the EMI noises. Circuit simulations are used to analyze and minimize the EMI noises. Conducted EMI noise measurement and filter design of this power supply has been achieved while successfully satisfying the FCC class B limits in the frequency range from 150 kHz to 30 MHz. The analyses and experiment results show that the designed filter guarantees that the required attenuation is achieved.

Original languageEnglish
Title of host publication2005 Pakistan Section Multitopic Conference, INMIC
DOIs
StatePublished - 2005
Externally publishedYes
Event2005 Pakistan Section Multitopic Conference, INMIC - Karachi, Pakistan
Duration: 24 Dec 200525 Dec 2005

Publication series

Name2005 Pakistan Section Multitopic Conference, INMIC

Conference

Conference2005 Pakistan Section Multitopic Conference, INMIC
Country/TerritoryPakistan
CityKarachi
Period24/12/0525/12/05

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