Identification of free components during non-simultaneous complex faults in overhead lines: a review

P Sowa, D Zychma - Energies, 2023 - mdpi.com
This study concerns the identification and interpretation of current and voltage signals during
complex non-simultaneous disturbances in high-voltage overhead lines. It includes topics …

[PDF][PDF] Modeling, simulation and optimization of transmission lines. Applicability and limitations of some used procedures

C Portela, MC Tavares - IEEE Transmission and Distribution …, 2002 - researchgate.net
Modeling, simulation and optimization of transmission lines. Applicability and limitations of
some used procedures Page 1 1 Modeling, simulation and optimization of transmission lines …

Accurate representation of soil behaviour for transient studies

CM Portela, MC Tavares, J Pissolato Filho - IEE Proceedings-Generation …, 2003 - IET
A paper representation of soil behaviour for transient studies is presented. Such
representation is more accurate than the most common procedures of engineering practice …

Frequency-dependent multiconductor line model based on the Bergeron method

PT Caballero, ECM Costa, S Kurokawa - Electric Power Systems Research, 2015 - Elsevier
A new multiconductor transmission line model is proposed based on the method of
characteristics. The conventional Bergeron model is characterized by the line representation …

Digital filtering of oscillations intrinsic to transmission line modeling based on lumped parameters

ECM Da Costa, S Kurokawa, AA Shinoda… - International Journal of …, 2013 - Elsevier
A correction procedure based on digital signal processing theory is proposed to smooth the
numeric oscillations in electromagnetic transient simulation results from transmission line …

Proposal of an alternative transmission line model for symmetrical and asymmetrical configurations

ECM Da Costa, S Kurokawa, AJ do Prado… - International Journal of …, 2011 - Elsevier
This article shows a transmission line model for simulation of fast and slow transients,
applied to symmetrical or asymmetrical configurations. A transmission line model is …

Simulation and experimental study of power flow in a seven‐phase transformer under fault conditions

MA Husain, M Tabrez, FI Bakhsh, A Nat… - IET Generation …, 2022 - Wiley Online Library
Fault analysis is necessary to design a protection system and circuit breakers for a power
system network. The multiphase system is a new technology so very little work is found for …

Analysis of a three-phase to seven-phase transformer under unbalanced input

M Tabrez, PK Sadhu, A Iqbal, FI Bakhsh - Microsystem Technologies, 2020 - Springer
In the recent past, multiphase power generation, power transmission, and multiphase drive
system are the main focus of research due to their several advantages over existing three …

Quasi-modes three-phase transmission line model—transformation matrix equations

MC Tavares, J Pissolato, CM Portela - … journal of electrical power & energy …, 2001 - Elsevier
This paper describes the quasi-modes three-phase transmission line model, a new model to
represent three-phase transmission lines in transient studies, with proper representation of …

Influence of earth conductivity and permittivity frequency dependence in electromagnetic transient phenomena-more measurements results in new sites

C Portela, JB Gertrudes… - 2004 IEEE/PES …, 2004 - ieeexplore.ieee.org
In this work some procedures to measure and model soil electromagnetic behavior in
frequency domain are presented. The proposed model takes into account the earth …