Misreadings of Static Energy Meters due to Conducted EMI caused by fast Changing Current

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    Abstract

    Readings of static energy meters can be affected by conducted electromagnetic interference (EMI). Previous research reported many cases where lower and higher readings of static energy meters were observed. In this paper experiments with a water pump, controlled by speed regulators, resulted in huge errors in energy readings of static meters with respect to a reference meter. The speed regulators are intended to be used in conjunction with such water pumps. The tests were performed using a non-distorted mains power supply created by a four-quadrant amplifier with an internal impedance in accordance with the standards. The deviations observed are between −91% and +175% compared to the reference meter. The current waveforms attributed to these large deviations show large spikes with rise times of a few microseconds.
    Original languageEnglish
    Title of host publication2019 Joint International Symposium on Electromagnetic Compatibility, Sapporo and Asia-Pacific International Symposium on Electromagnetic Compatibility (EMC Sapporo/APEMC)
    Place of PublicationUSA
    PublisherIEEE
    Pages445-448
    Number of pages4
    ISBN (Electronic)978-4-8855-2322-9
    ISBN (Print)978-1-7281-1639-6
    DOIs
    Publication statusPublished - 7 Nov 2019
    Event2019 Joint International Symposium on Electromagnetic Compatibility and Asia-Pacific International Symposium on Electromagnetic Compatibility, Sapporo (EMC Sapporo/APEMC) - Sapporo Convention Center, Sapporo, Japan
    Duration: 3 Jun 20197 Jun 2019

    Conference

    Conference2019 Joint International Symposium on Electromagnetic Compatibility and Asia-Pacific International Symposium on Electromagnetic Compatibility, Sapporo (EMC Sapporo/APEMC)
    CountryJapan
    CitySapporo
    Period3/06/197/06/19

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  • Cite this

    ten Have, B., Hartman, T., Moonen, N., & Leferink, F. (2019). Misreadings of Static Energy Meters due to Conducted EMI caused by fast Changing Current. In 2019 Joint International Symposium on Electromagnetic Compatibility, Sapporo and Asia-Pacific International Symposium on Electromagnetic Compatibility (EMC Sapporo/APEMC) (pp. 445-448). [8893903] USA: IEEE. https://doi.org/10.23919/EMCTokyo.2019.8893903