Results 171 to 180 of about 3,456 (197)

Detection and Protection Against Geomagnetically Induced Current via Harmonic Signature Analysis

International Conference on Harmonics and Quality of Power, 2022
Geomagnetically induced current (GIC) manifests its effects in electric power systems with DC current flow and characteristic harmonic signatures in the AC current.
Jiahao Xie, A. P. Sakis Meliopoulos, G. Cokkinides   +2 more
semanticscholar   +1 more source

Impact of Geomagnetically Induced Current (GIC) on Power Transformers & Power Systems

2022
Provide the industry with an overview of latest activities in the area of GIC. These include GIC regulations, GIC Standards, GIC development activities, and studies performed of impact of GIC & GIC Thermal Capabilities of Power Transformers. The following topics will be covered: 1.
M. Olson, K. Patil, A. Commander, T. Hartmann, A. O'Malley, R. Girgis, G. Hoffman, S. Digby   +7 more
openaire   +1 more source

Geomagnetically Induced Current Field Test on Large Grid-Connected Power Transformers: Analysis, Model Development, and Simulations

IEEE Transactions on Power Delivery
Geomagnetic-induced current (GIC) flow in power grids can cause undesirable effects such as transformer overheating, harmonics, higher reactive power demand, etc.
Adedasola A. Ademola, Roland Brandis, Andreas F. Schuetzinger, Bart Simons, Luc Dorpmanns, Andrea Pinceti, Katelynn Vance, Ibukunoluwa O. Korede, Robert M. Orndorff, Micah J. Till, Kyle D. Hannah, Mike Lamb, R. Gardner, Yilu Liu   +13 more
semanticscholar   +2 more sources

Effects of Geomagnetically Induced Currents-GIC on Electric Power Technology in Brazil

11th International Congress of the Brazilian Geophysical Society & EXPOGEF 2009, Salvador, Bahia, Brazil, 24-28 August 2009, 2009
Geoelectric fields induced in the Earth during geomagnetic storms drive electric currents through the windings of power transformers and the transmission lines carrying electric power. These currents, known as GIC (Geomagnetically Induced Currents), flow in the entire electric power systems and cause deleterious effects.
Nalin B. Trivedi, Ícaro Vitorello, Wanderli Kabata, Marcelo B. De Pádua, Severino L.G. Dutra, Antonio L. Padilha, Mauricio S. Bologna, Maria José F. Barbosa, Alexandre Pinhel Soares, Guilherme Sarcinelli Luz, Fabio De Abreu Pinto   +10 more
openaire   +1 more source

A Case Study on Effect of Geomagnetically Induced Current in Power Transmission

2022 Second International Conference on Advances in Electrical, Computing, Communication and Sustainable Technologies (ICAECT), 2022
As a result of space weather events, geomagnetically induced currents (GIC) emerge in the power system. These low-frequency currents in the power supply can be thought of as quasi-DC currents. A half-cycle periodic saturation of the core occurs when a DC
Rajnandani Yadav, R. Adware, H. Naidu
semanticscholar   +1 more source

Online Estimation of Geomagnetically Induced Current Effects using Neural Networks

IEEE Power & Energy Society General Meeting, 2022
Geomagnetically-induced currents (GIC) are quasi-DC currents that can flow in the power grid due to space weather. These currents can lead to negative effects such as transformer overheating, excessive harmonics, large reactive power loss, and potential ...
Adedasola A. Ademola, Yilu Liu, Xiawen Li, Micah J. Till, Kevin D. Jones, Matthew Gardner   +5 more
semanticscholar   +1 more source

Comparison two solar flare events due to geomagnetic storm and its effect to geomagnetism induced current level (GIC)

AIP Conference Proceedings, 2021
We present the study of sequence of geomagnetic storm (GMS) and its relation with the two solar flare events on 20th April 2020 and 29th May 2020. The parameter such as solar wind, interplanetary magnetic field (IMF) and Kp index play an important roles and affect the GIC level and climate change.
N. I. Johari, Z. S. Hamidi, N. N. M. Shariff   +2 more
openaire   +1 more source

Preliminary Analysis of the Geomagnetically Induced Current at the Malaysian Power Network

IEEE International Conference on Space Science and Communication, 2021
The formation of the Geomagnetic Induced Current (GIC) from the underground becoming a threat to the electrical appliances due to its natural form of current that flows from the underground to electrical appliances.
K. Burhanudin, M. H. Jusoh, Ahmad Farid Abidin, M. Hidayat, Mohd Helmy Hashim, Z. I. Abd Latiff, A. Yoshikawa   +6 more
semanticscholar   +1 more source

Simulation analysis of geomagnetically-induced currents (GIC) effects on shell-form transformers

2013 IEEE Power & Energy Society General Meeting, 2013
Transformer DC excitation due to geomagnetically-induced currents was studied by 3D analysis based on an in-application 280 MVA 500kV/230kV single phase auto transformer design. As a result of previous studies, the transformer design studied here incorporated non-magnetic stainless steel to limit local heating.
R. Nishiura, S. Yamashita, S. Kano
openaire   +1 more source

MAG-GIC: Geomagnetically Induced Currents risk hazard in the Portuguese power network

2020
<p>The MAG-GIC project has as a main goal to produce the chart of Geomagnetically Induced Currents (GIC) risk hazard in the distribution power network of Portugal mainland.</p><p>The study of GICs is important as they represent a threat for infrastructures such as power grids, pipelines ...
Joana Alves Ribeiro, Maria Alexandra Pais, Fernando J. G. Pinheiro, Fernando A. Monteiro Santos, Pedro Soares   +4 more
openaire   +1 more source