COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 43 Issue 1

Simulation of nonuniform transmission lines

Marissa Condon

The purpose of the paper is the simulation of nonuniform transmission lines.

Numerical analysis of neutral delay differential equations with high-frequency inputs

Marissa Condon

The paper proposes an efficient and insightful approach for solving neutral delay differential equations (NDDE) with high-frequency inputs. This paper aims to overcome the need to…

An optoelectronic Coupler based on graphene patterns and SU-8 photoresist

Elham Zandi, Majid Fouladian, Jalil Mazloum

The purpose of this research is to efficiently separate incident terahertz (THz) waves into distinct transmission and reflection channels by minimizing the absorption ratio. So…

A machine learning-driven support vector regression model for enhanced generation system reliability prediction

Pouya Bolourchi, Mohammadreza Gholami

The purpose of this paper is to achieve high accuracy in forecasting generation reliability by accurately evaluating the reliability of power systems. This study uses the RTS-79…

Cylindrical electromagnets: modeling, analysis, simulation and implementation

Ali Hashemi, Parsa Yazdanpanah Qaraei

This paper aims to present an accurate magnetic equivalent circuit for modeling the cylindrical electromagnet so that by analyzing it, the magnetic flux density in different parts…

Limitations of Jiles–Atherton models to study the effect of hysteresis in electrical steels under different excitation regimes

Abdelazeem Hassan Shehata Atyia, Abdelrahman Mohamed Ghanim

The accurate modeling of magnetic hysteresis in electrical steels is important in several electrical and electronic applications. Numerical models have long been known that can…

Fractal model of thermal contact conductance of rough surfaces based on axisymmetric cosinusoidal asperity

Xianguang Sun, Xicheng Xin

The purpose of this study is to propose a fractal model of thermal contact conductance of rough surfaces based on axisymmetric cosinusoidal asperity.

Parameters calculation method of energetic model for symmetrical static hysteresis loop and asymmetrical minor loop

Junan Ji, Zhigang Zhao, Shi Zhang, Tianyuan Chen

This paper aims to propose an energetic model parameter calculation method for predicting the materials’ symmetrical static hysteresis loop and asymmetrical minor loop to improve…

Modeling and simulation analysis of current transformer based on magnetizing current as the solution variable

Hongsen You, Mengying Gan, Dapeng Duan, Cheng Zhao, Yuan Chi, Shuai Gao, Jiansheng Yuan

This paper aims to develop a model that reflects the current transformer (CT) core materials nonlinearity. The model enables simulation and analysis of the CT excitation current…

Loss minimization based optimal frequency selection for low frequency transmission lines using telegrapher’s method

Mukul Anand, Debashis Chatterjee, Swapan Kumar Goswami

The purpose of this study is to obtain the optimal frequency for low-frequency transmission lines while minimizing losses and maintaining the voltage stability of low-frequency…

Fractal model of thermal contact conductance of the involute arc cylindrical gear considering friction coefficient

Xianguang Sun, Xicheng Xin

The purpose of this study is to propose a fractal model of thermal contact conductance (TCC) of the involute arc cylindrical gear considering friction coefficient.

Semianalytical modeling of squirrel-cage induction machines with consideration of iron permeability and eddy-currents using elementary subdomain technique

Lazhar Roubache, Kamel Boughrara, Frédéric Dubas, Brahim Ladghem Chikouche, Rachid Ibtiouen

This paper aims to propose a semianalytical model of a squirrel-cage induction machine (SCIM), considering local magnetic saturation and eddy-currents induced in the rotor bars.

Nonlinear optimal control for the five-phase induction motor-based traction system of electric vehicles

Gerasimos G. Rigatos, Pierluigi Siano, Mohammed S. Al-Numay, Bilal Sari, Masoud Abbaszadeh

The purpose of this article is to treat the nonlinear optimal control problem in EV traction systems which are based on 5-phase induction motors. Five-phase permanent magnet…

Design and analysis of electric spring based on battery-less current-source inverter

Yumin He, Tingyun Gu, Bowen Li, Yu Wang, Dongyuan Qiu, Yang Zhang, Peicheng Qiu

Electric spring (ES) is a demand response method that can stabilize the voltage of critical loads and improve power quality, especially in a weak power grid with a high proportion…

Model of an E-cored probe over layered conductor containing corrosion for eddy current testing

Siquan Zhang

In eddy current nondestructive testing, ferrite-cored probes are usually used to detect and locate defects such as cracks and corrosion in conductive materials. However, the…

Detection and localization of fault in DC microgrid using discrete Teager energy and generalized least square method

Subrat Kumar Barik, Smrutimayee Nanda, Padarbinda Samal, Rudranarayan Senapati

This paper aims to introduce a new fault protection scheme for microgrid DC networks with ring buses.

Toward unique electrical ladder network model synthesis of a transformer winding high-frequency modeling using K-means and metaheuristic-based method

Abdallah Chanane, Hamza Houassine

Although, numerous optimization algorithms have been devoted to construct an electrical ladder network model (ELNM), they suffer from some frail points such as insufficient…