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Overvoltage Analysis of Transmission Towers Considering the Influence of Tower-Footing Impedance
(Ieee, 2017-01-01)
Lightning is one of the main causes of outages due to backflashover mechanism in power systems. In this context, the tower-footing impedance presents a key role in the overvoltages caused by this phenomenon. Tower-footing ...
Overvoltage analysis of transmission towers considering the influence of tower-footing impedance
(2017-11-21)
Lightning is one of the main causes of outages due to backflashover mechanism in power systems. In this context, the tower-footing impedance presents a key role in the overvoltages caused by this phenomenon. Tower-footing ...
A tutorial about tower transmission models for the analyses and prediction of backflashovers
(Ieee-inst Electrical Electronics Engineers Inc, 2017-08-01)
Lightning is one of a main causes of sudden outages in the power systems. When a lightning strikes the ground wires or directly to transmission tower, a backflashover may occur. It consists of an electric arc from the tower ...
Optimization of tower-footing grounding impedance for guyed-V transmission towers
(2019-12-01)
Backflashover is one of the mechanisms by which lightning strikes can cause outages/damages in power systems. In this context, the tower-footing grounding system of transmission towers has an essential role for mitigating ...
Lightning-Induced Surge in Transmission Towers Calculated Using Full-Wave Electromagnetic Analysis and the Method of Moments
(Ieee, 2018-01-01)
Lightning-induced surges can cause backflashovers in transmission lines which lead to outages in power systems. In this context, the tower-footing grounding impedance and tower surge impedance play fundamental roles in ...
Lightning-induced surge in transmission towers calculated using full-wave electromagnetic analysis and the method of moments
(2019-01-25)
Lightning-induced surges can cause backflashovers in transmission lines which lead to outages in power systems. In this context, the tower-footing grounding impedance and tower surge impedance play fundamental roles in ...
A First approach on the new transmission system in northern Brazil
(2011-12-01)
This article shows an analysis of the electrical parameters of a three-phase transmission line section using a relatively new design for steel towers characterized by 280 meters high. These main features, the height of the ...
Fault Detection in Transmission Towers Using State Observers
(2021-01-01)
Over the years, the demand for tools that facilitate the analysis of static and dynamic systems only increases, and the fidelity of the results obtained with these tools is also another point of interest. The present work ...
Computing Tower-Footing Grounding Impedance and GPR curves of Grounding Electrodes Buried in Multilayer Soils
(Ieee, 2019-01-01)
Grounding systems are essential to dissipate fault currents into soil to guarantee safe conditions to personnel and equipment. In this context, several approaches have been employed to calculate tower-footing grounding ...
Computing Tower-Footing Grounding Impedance and GPR curves of Grounding Electrodes Buried in Multilayer Soils
(2019-09-01)
Grounding systems are essential to dissipate fault currents into soil to guarantee safe conditions to personnel and equipment. In this context, several approaches have been employed to calculate tower-footing grounding ...