Published December 16, 2022
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Simulation and Observation of GICs in the Portuguese power network SPI substation
Authors/Creators
- 1. University of Coimbra, CITEUC, Department of Physics, Coimbra, Portugal
- 2. University of Coimbra, LIBPhys, Department of Physics, Coimbra, Portugal
Description
We developed an instrumental setup to measure Geomagnetic Induced Currents (GICs), consisting of a Hall effect current sensor LEM HOP 1000-SB with a manufacturer's sensitivity 4 mV/A, and a Raspberry Pi 4 Model B platform with a high resolution 24-bit digitizer board (Waveshare AD/DA). The sensor was installed at the Portuguese power network Paraimo (SPI) substation, about 35 km north of Coimbra, in the TRF6 transformer neutral to Earth connection cable.
Here, we present measurements of GICs at SPI, during the 17th September 2021 geomagnetic event. Measurements were compared with estimations, which are also provided in this dataset.
Notes
This study is funded by national funds through FCT (Foundation for Science and Technology, I.P.), under the project MAG-GIC: PTDC/CTA-GEO/31744/2017.
CITEUC is funded by FCT (UID/MULTI/00611/2020) and FEDER (POCI-01-0145-FEDER-006922).
LIBPhys is funded by FCT (project UID UIDB/04559/2021) and several COMPETE 2020 Operational European Regional Development Fund projects.
The COI data can be found at World Data Centre for Geomagnetism (www.wdc.bgs.ac.uk).
The SPT data were downloaded from the INTERMAGNET website (www.intermagnet.org)
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GIC_estimated_and_observed_storm_sep_2021.txt
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