Assessment of EMI and Power Quality in Mains Power Distribution Using a Low-Cost Breakout Box for EMC Education

Cathrine Feloups, Niek Moonen, Frank Leferink

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

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Abstract

Ensuring measuring safety during electromagnetic compatibility (EMC) and power quality (PQ) measurements is crucial, especially when students are involved. To enable utilization of low-cost digitizers, a measurement breakout box was designed to measure the mains voltage via a 1:1000 resistive divider, and via a high pass filtered output (from 2 kHz to 1 MHz). Also, a current measuring Hall-Element was added to reduce the cost of performing electromagnetic interference (EMI) and PQ measurements. This paper describes measurements that students can do in the laboratory using simple, low-cost, and safe measurement devices. As an assignment, students can for instance calculate total harmonic distortion (THD), apparent, reactive, and real powers. Additionally, using Fourier, the EMI present in the mains voltage can be observed via the high pass filter outputs. The breakout box was designed to enable EMC education by means of experiments and demonstrations at a low cost.
Original languageEnglish
Title of host publication2022 International Symposium on Electromagnetic Compatibility – EMC Europe
PublisherIEEE
Pages513-518
Number of pages6
ISBN (Electronic)9781665407878
DOIs
Publication statusPublished - 5 Oct 2022
Event2022 International Symposium on Electromagnetic Compatibility, EMC Europe 2022 - Swedish Exhibition & Congress Centre, Gothenburg, Sweden
Duration: 5 Sep 20228 Sep 2022

Conference

Conference2022 International Symposium on Electromagnetic Compatibility, EMC Europe 2022
Abbreviated titleEMC Europe 2022
Country/TerritorySweden
CityGothenburg
Period5/09/228/09/22

Keywords

  • Crest factor
  • current
  • power
  • power quality
  • voltage
  • total harmonic distortion (THD)

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