A Comparative Study on Class AB and Class D Amplifier Topologies for High Temperature Power Line Communication Circuits

Martijn Sebastiaan Duraij, Yudi Xiao, Tiberiu Gabriel Zsurzsan, Zhe Zhang

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    Abstract

    Power line communication (PLC) is widely used in the well intervention industry to control tools performing maintenance on oil and gas well pipes. This paper compares PLC driver power amplifiers and the impact of temperature towards them. As both a Class AB and Class D amplifier stages form suitable candidates, a comparison is made on performance indicators, such as total harmonic distortion (THD) and intermodulation distortion (IMD), as well as power limitations and efficiency. Measurements are performed both at room temperature and at high temperature of 150 °C. The trade-off between Class AB and Class D based on the mentioned indicators is then further emphasized using plotted responses. These show a clear advantage in the use of a Class D amplifier topology based on efficiency by outperforming the Class AB topology by a factor of two at high temperature. However the THD is found to be approx. 25dB better in the Class AB amplifier. This article discusses and thereby identifies future research trends and topics required for high temperature PLC driving circuits.
    Original languageEnglish
    Title of host publicationProceedings of 2021 IEEE International Symposium on Power Line Communications and its Applications
    Number of pages6
    PublisherIEEE
    Publication date2021
    ISBN (Print)9781665439633
    DOIs
    Publication statusPublished - 2021
    Event2021 IEEE International Symposium on Power Line Communications and its Applications - E.ON Energy Research Center at RWTH Aachen University, Aachen, Germany
    Duration: 26 Oct 202127 Oct 2021
    https://isplc2021.ieee-isplc.org/

    Conference

    Conference2021 IEEE International Symposium on Power Line Communications and its Applications
    LocationE.ON Energy Research Center at RWTH Aachen University
    Country/TerritoryGermany
    CityAachen
    Period26/10/202127/10/2021
    Internet address

    Keywords

    • Class AB
    • Class D
    • High Temperature
    • Distortion
    • Efficiency

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