Non-contact capacitive-coupling-based and magnetic-field-sensing-assisted technique for monitoring voltage of overhead power transmission lines

K Zhu, WK Lee, PWT Pong - IEEE sensors journal, 2016 - ieeexplore.ieee.org
Adopting non-contact capacitive coupling for voltage monitoring is promising as it avoids
electrical connection with high-voltage transmission lines. However, coupled voltage …

[HTML][HTML] Coupling characteristics between MMC-HVDC and AC transmission lines on the same tower and their impact on protective relaying

W Wang, B Li, J He, B Li, Z Xie, L Xue - International Journal of Electrical …, 2024 - Elsevier
Significant coupling exists between DC and AC lines erected on the same tower or sharing
transmission corridors. Electromagnetic and electrostatic coupling between DC and AC lines …

A comparison of frequency-dependent soil models: Electromagnetic transient analysis of overhead transmission lines using modal decomposition

TF Garbelim Pascoalato, AR Justo de Araújo… - Energies, 2022 - mdpi.com
This article investigates the influence of four causal frequency-dependent (FD) soil models
and their impact on the responses of a multiphase overhead transmission line (OHTL) with …

Efficient procedure to evaluate electromagnetic transients on three-phase transmission lines

ECM Costa, S Kurokawa, J Pissolato, AJ Prado - IET generation, transmission & …, 2010 - IET
This paper presents a hybrid way mixing time and frequency domain for transmission lines
modelling. The proposed methodology handles steady fundamental signal mixed with fast …

Inclusion of the frequency effect in the lumped parameters transmission line model: State space formulation

S Kurokawa, FNR Yamanaka, AJ Prado… - Electric power systems …, 2009 - Elsevier
The objective of this paper is to include the frequency dependence of the longitudinal
parameters in the lumped parameters line model. The distributed nature of the transmission …

Circulating unbalanced currents of EHV/UHV untransposed double-circuit lines and their influence on pilot protection

B Li, F Guo, X Li, Z Bo - IEEE transactions on power delivery, 2013 - ieeexplore.ieee.org
This paper elaborates on the reasons for current unbalance in extremely high voltage/ultra-
high voltage (UHV) double-circuit transmission-line systems based on analyses of a typical …

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 low-frequency oscillations of electrical quantities during a real black-start test in Slovakia

M Kanálik, A Margitová, B Dolník, D Medveď… - International Journal of …, 2021 - Elsevier
The article discusses the low-frequency oscillations of active power and reactive power
recorded during real black-start testing in the power system in Slovakia. The occurrence of …

Simplified skin‐effect formulation for power transmission lines

JHA Monteiro, ECM Costa, AJG Pinto… - IET Science …, 2014 - Wiley Online Library
This study presents a simplified formulation to calculate the skin effect on transmission lines
wires. The methodology is developed from the solution of the time‐domain Maxwell's wave …

Low delay technology research of transmission line tower monitoring network integrating WSN and RFID

F Deng, P Zuo, K Wen, X Wu, Y He - IEEE Access, 2019 - ieeexplore.ieee.org
The tower is a key component of the transmission line system and its stability and reliability
is the guarantee for the safety of entire transmission line system. This paper proposes a …