Electromagnetically Interfered Energy Metering Resulting from Droop of Current Transducers

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Abstract

Non-linear equipment is increasingly being used in household situations to increase the efficiency of the power consumption of equipment. This results in conducted electromagnetic interference problems due to the switching of the equipment, which draws pulsed currents with high peak values and fast rising slopes. Accordingly, static energy meters, used to measure the energy consumption in households, show misreadings in conjunction with such pulsed currents. Therefore, a control meter is under construction which is used to validate the readings of an installed static energy meter. When validating the control meter, energy metering errors were found resulting from current droop of the current transducers. The droop in the current response multiplied with the voltage resulted in large energy metering errors of 38%. While no issues where found for linear, resistive, loads. This shows the need for pulsed immunity tests to validate energy measurement systems, because linear tests have not shown to be problematic.
Original languageEnglish
Title of host publication2021 IEEE International Joint EMC/SI/PI and EMC Europe Symposium
PublisherIEEE
Pages250-254
Number of pages5
ISBN (Electronic)978-1-6654-4888-8
ISBN (Print)978-1-6654-4889-5
DOIs
Publication statusPublished - 19 Oct 2021
Event2021 Joint IEEE International symposium on electromagnetic compability, signal & power integrity, and EMC Europe, EMC+SIPI 2021 - Virtual
Duration: 26 Jul 202120 Aug 2021
https://www.emc2021.emcss.org/

Conference

Conference2021 Joint IEEE International symposium on electromagnetic compability, signal & power integrity, and EMC Europe, EMC+SIPI 2021
Abbreviated titleEMC+SIPI 2021
Period26/07/2120/08/21
Internet address

Keywords

  • current droop
  • electromagnetic interference
  • non-linear
  • pulsed currents
  • static energy meter

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