Modeling geomagnetically induced currents
Space Weather, 2017 AbstractUnderstanding the geomagnetic hazard to power systems requires the ability to model the geomagnetically induced currents (GIC) produced in a power network. This paper presents the developments in GIC modeling starting with an examination of fundamental questions about where the driving force for GIC is located.
D. H. Boteler, R. J. Pirjola
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Geomagnetically induced currents: Science, engineering, and applications readiness [PDF]
Space Weather, 2017 AbstractThis paper is the primary deliverable of the very first NASA Living With a Star Institute Working Group, Geomagnetically Induced Currents (GIC) Working Group. The paper provides a broad overview of the current status and future challenges pertaining to the science, engineering, and applications of the GIC problem.
A. Pulkkinen +20 more
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Geophysical Monograph Series, Page i-xiv., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
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Advances in Mechanical Engineering, 2017 Geomagnetically induced currents through the transformer windings produce biases of transformers, increase transformer reactive power losses, and lead to a significant lack of reactive power support in the power system.
Pei-Hong Yang +4 more
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Geomagnetically Induced Current Model Validation From New Zealand's South Island
Space Weather, 2020 Geomagnetically induced currents (GICs) during a space weather event have previously caused transformer damage in New Zealand. During the 2015 St. Patrick's Day Storm, Transpower NZ Ltd has reliable GIC measurements at 23 different transformers across ...
T. Divett +9 more
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First-principles modeling of geomagnetically induced electromagnetic fields and currents from upstream solar wind to the surface of the Earth [PDF]
Annales Geophysicae, 2007 Our capability to model the near-space physical phenomena has gradually reached a level enabling module-based first-principles modeling of geomagnetically induced electromagnetic fields and currents from upstream solar wind to the surface of the Earth.
A. Pulkkinen +5 more
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IEEE Access, 2023 With the global commitment to achieving net zero carbon emissions by 2050, the importance of transitioning to clean and efficient energy sources has become increasingly crucial.
Zmnako Mohammed Khurshid +3 more
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Initial measurements of O-ion and He-ion decay rates observed from the Van Allen probes RBSPICE instrument. [PDF]
, 2014 H-ion (∼45 keV to ∼600 keV), He-ion (∼65 keV to ∼520 keV), and O-ion (∼140 keV to ∼1130 keV) integral flux measurements, from the Radiation Belt Storm Probe Ion Composition Experiment (RBSPICE) instrument aboard the Van Allan Probes spacecraft B, are ...
Bortnik, Jacob +6 more
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Extreme geomagnetically induced currents
Progress in Earth and Planetary Science, 2016 We propose an emergency alert framework for geomagnetically induced currents (GICs), based on the empirically extreme values and theoretical upper limits of the solar wind parameters and of dB/dt, the time derivative of magnetic field variations at ground. We expect this framework to be useful for preparing against extreme events. Our analysis is based
Ryuho Kataoka, Chigomezyo Ngwira
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Scientific African, 2023 It is well understood that geomagnetically induced currents (GICs) flow through the grounded neutrals of wye-connected transformers, generating harmonic currents that flow along frequency-dependent transmission lines.
David Oyedokun, Pitambar Jankee
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