Magnetic Field Based Wireless GMD/EMP-E3 Impact Monitoring Device:
Patent
Title | Magnetic Field Based Wireless GMD/EMP-E3 Impact Monitoring Device: |
---|---|
Type | Patent |
Authors | Yao, Wenxuan (Author), Zhao, Jiecheng (Author), Cui, Yi (Author), Liu, Yilu (Author) and King, Thomas (Author) |
Patent/Trademark Applicant | University of Tennessee Research Foundation, United States |
Patent/Trademark Number | 11372038 |
Countries in Which Patented/Trademarked | United States of America |
Year | 2022 |
Web Address (URL) | https://www.lens.org/127-412-234-785-59X |
Abstract | A system and methods for monitoring an impact of geomagnetic disturbances (GMDs) or an E3 component of electromagnetic pulses (EMP-E3), involving a transducer generating a transduced signal in response to a magnetic field of a current carrying element of a transmission line. The transduced signal reflects harmonic characteristics of the current carrying element, and is amplified and filtered, then digitally converted. Excessive impact is detected when a threshold condition is met with respect to a total harmonic distortion (THD) and/or a change in THD. The THD can be calculated from amplitudes of harmonic components of interest. The amplitudes can be calculated in various ways, including Fourier transforming the digital signal to locate peaks in the resulting spectral lines, or using a phase sensitive detection algorithm in which the digital signal is multiplied by a phase swept reference signal and then integrated. |
Keywords | Geomagnetic disturbances; electromagnetic pulses; transduced signal |
ANZSRC Field of Research 2020 | 400803. Electrical energy generation (incl. renewables, excl. photovoltaics) |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | University of Tennessee, United States |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q7w1z/magnetic-field-based-wireless-gmd-emp-e3-impact-monitoring-device
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