Fast corona discharge assessment using FDM integrated with full multigrid method in HVDC transmission lines considering wind impact

MA Abouelatta, SA Ward, AM Sayed, K Mahmoud… - Ieee …, 2020 - ieeexplore.ieee.org
A novel approach for solving the monopolar corona in high voltage direct current (HVDC)
transmission line systems is proposed by the finite difference method (FDM) and a full …

Positive wire-to-plane coronas as influenced by atmospheric humidity

M Abdel-Salam - IEEE Transactions on Industry Applications, 1985 - ieeexplore.ieee.org
A method is suggested for calculating the inception voltage and corona current in humid air.
It is found that the photoelectrons distribution within the ionization layer, which depends …

[HTML][HTML] Measurement and assessment of corona current density for HVDC bundle conductors by FDM integrated with full multigrid technique

MA Abouelatta, SA Ward, AM Sayed… - Electric Power Systems …, 2021 - Elsevier
This paper presents an intensive measurement and analysis of monopolar ionized fields in
bundled high voltage direct current (HVDC) conductors using the finite difference method …

A very stable calculation method for ion flow field of HVDC transmission lines

T Takuma, T Kawamoto - IEEE transactions on power delivery, 1987 - ieeexplore.ieee.org
This paper describes a new, stable method of calculating ion flow fields in the presence of
wind. The principle of the new method is to use the integral form of the current continuity …

HVDC transmission line computations using finite element and characteristics method

JL Davis, JF Hoburg - Journal of Electrostatics, 1986 - Elsevier
A self-consistent theoretical model is described for the computation of space charge density
and electric field under a HVDC transmission line in coruna discharge above a ground …

Accurate calculation of ion flow field under HVDC bipolar transmission lines

BL Qin, JN Sheng, Z Yan, G Gela - IEEE Transactions on Power …, 1988 - ieeexplore.ieee.org
Ions produced by corona on overhead HVDC transmission lines drift through the air under
the action of the electric field and wind. Knowledge of the ion-flow characteristics is essential …

Application of Galerkin finite-element method with Newton iterations in computing steady-state solutions of unipolar charge currents in corona devices

JQ Feng - Journal of Computational Physics, 1999 - Elsevier
The phenomenon of corona discharge from thin-wire or sharp-point electrodes has found
various important applications especially when effective charging devices are needed. In …

Adaptive approach to finite element modelling of corona fields

K Adamiak - IEEE Transactions on industry applications, 1994 - ieeexplore.ieee.org
In the finite element modeling of corona fields, the area close to the corona electrode needs
the finest discretization due to a significant difference in size and curvature of electrodes …

Calculation of corona VI characteristics of monopolar bundles using the charge simulation method

M Abdel-Salam, S Abdel-Sattar - IEEE transactions on electrical …, 1989 - ieeexplore.ieee.org
The charge simulation method is used to model the VI characteristics of corona from
monopolar bundled transmission lines without resort to W. Deutsch's (1933) assumption …

Analysis of monopolar ionized field as influenced by ion diffusion

M Abdel-Salam, Z Al-Hamouz - IEEE Transactions on industry …, 1995 - ieeexplore.ieee.org
This paper aims at the analysis of the monopolar ionized field in conductor-to-plane
configurations without resorting to Deutsch's assumption. A new iterative finite-element …