Coupled modelling and simulation of power transmission lines: A systematic analysis of line losses

O Living, SN Nnamchi, MM Mundu, KJ Ukagwu… - Electric Power Systems …, 2024 - Elsevier
Transmission models are dominated by lumped models, which merely describe the time
dependence of transmission potentials (temperature, current and voltage). The space …

Modal decoupling of overhead transmission lines using real and constant matrices: Influence of the line length

PT Caballero, ECM Costa, S Kurokawa - International Journal of Electrical …, 2017 - Elsevier
The Clarke's matrix is a well-known real and constant transformation matrix used for modal
transformation in three-phase transmission lines modeling. Although modal analysis has …

Analysis of transmission line modeling routines by using offsets measured least squares regression ant lion optimizer in ORPD and ELD problems

GVB Chary, KM Rosalina - Heliyon, 2023 - cell.com
This paper proposed an offset measured least regression based ALO to solve ORPD and
ELD problems of IEEE 57 bus system designed with different transmission line models …

Algorithm for fast calculating the energization overvoltages along a power cable based on modal theory and numerical inverse Laplace transform

H Li, P Yu, S Li, X Zhao, J Deng, G Zhang - Electric Power Systems …, 2022 - Elsevier
Transient overvoltage caused by energization may damage the insulation in a power cable
transmission system. Therefore, overvoltage along the cable should be calculated and …

Detection and Classification of EHV Transmission Line Faults Based on Sign of Reactive Power

R Velpula, N Nageswara Reddy… - Arabian Journal for …, 2024 - Springer
In the outdoor erected overhead transmission lines, the probability of occurrence of a fault is
high and it might lead to unstable operation of the power system and interrupt the continuity …

[HTML][HTML] Frequency-dependent modeling of three-phase power cables for electromagnetic transient simulations

CG Morata, FP de Albuquerque, PT Caballero… - International Journal of …, 2024 - Elsevier
This paper proposes a methodology for modeling and simulating electromagnetic transients
in power transmission cables with arbitrary cross-sections, usually applied in offshore power …

[HTML][HTML] Algorithms for fast calculation of energization overvoltage of hybrid overhead line-cable transmission lines based on full frequency-dependent parameters

B Gu, H Li, S Li, X Zhu, X Zhao, J Deng… - Electric Power Systems …, 2023 - Elsevier
This paper addresses the challenges associated with the time-consuming and complex
nature of using electromagnetic transient (EMT) simulation software, such as …

基于L-稳定单步多级块方法的多导体传输线时域响应分析

叶婧, 徐鸣, 王永, 李博文, 张磊… - 信阳师范学院学报(自然 …, 2021 - journal.xynu.edu.cn
针对传统时域有限差分(FDTD) 格式在间断解处的非物理振荡问题, 将L-稳定单步多级块方法
应用于多导体传输线的时域瞬态响应分析中. 施加边界条件时, 为避免对系统状态方程的系数 …

Modeling of power cables with arbitrary cross section: from parameter calculation to electromagnetic transients simulation

AA Hafner, PT Caballero, JHA Monteiro… - Journal of Control …, 2017 - Springer
A full computer-based methodology is proposed for electromagnetic transient simulations in
power cables characterized by an arbitrary cross-section geometry. The frequency …

A calculation method of transmission line equivalent geometrical parameters based on power-frequency parameters

B Li, M Lv - International Journal of Electrical Power & Energy …, 2019 - Elsevier
The geometrical parameters of the transmission line are prerequisite for precisely
calculating frequency-dependent parameters as well as studying the electromagnetic …