COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 39 Issue 4

Parametric dependence of lightning impulse behavior of grounding electrodes buried in a dispersive and ionized lossy soil under first- and subsequent-stroke currents

Seyed Sajad Sajadi, Saeed Reza Ostadzadeh, Seyed Hossein Hesamedin Sadeghi

The purpose of this paper is to investigate the simultaneous effects of ionization and dispersion of soil on the impulse behavior of grounding electrodes under first and…

Improved Jaya algorithm-based FOPID/PID for AVR system

Jailsingh Bhookya, Ravi Kumar Jatoth

This paper aims to get the optimal controller parameters of fractional order proportional integral derivative (FOPID)/proportional integral derivative (PID) i.e. K_p, K_i, K_d, λ and…

Spurious radiation suppression in microstrip monopulse antenna

Rasime Uyguroğlu, Allaeldien Mohamed Hnesh, Muhammad Sohail, Abdullah Y. Oztoprak

This paper aims to introduce a new novel microstrip monopulse comparator system to reduce the spurious radiation from the comparator and the feed network for achieving better…

Dynamic output feedback control for nonlinear large-scale interconnected systems

Ezzeddine Touti, Ali Sghaier Tlili, Muhannad Almutiry

This paper aims to focus on the design of a decentralized observation and control method for a class of large-scale systems characterized by nonlinear interconnected functions…

A fault tolerant sensorless position estimation scheme for switched reluctance motor at low speed

Feng Dong, Hao Chen, Shuai Xu, Sihang Cui

This paper aims to present a novel position sensorless control scheme with fault-tolerance ability for switched reluctance motor at low speed.

Modeling of airgap flux density for the study of stator core vibration in low speed synchronous machines

Allan De Barros, Ivan Chabu

This paper aims to develop models and simulations focused on the prediction of electromagnetic forces acting on the stator core of a synchronous machine. It contributes to the…

A novel and accurate analytical-numerical method for inrush current modeling of three-limb power transformers

Mohammad Ali Taghikhani, Zahra Taghikhani

Using appropriate solution techniques for transformer inrush current transient study is of great prominence owing to the inevitable inclusion of differential equations leading to…

New digital background calibration method for pipelined ADCs

Ehsan Zia, Ebrahim Farshidi, Abdolnabi Kosarian

Pipelined analog-to-digital converters (ADCs) are widely used in electronic circuits. The purpose of this paper is to propose a new digital background calibration method to…

Application of discrete differential operators of periodic functions to solve 1D boundary-value problems

Tadeusz Sobczyk, Marcin Jaraczewski

Discrete differential operators (DDOs) of periodic functions have been examined to solve boundary-value problems. This paper aims to identify the difficulties of using those…

Switching harmonic suppression design based on multi-objective optimization algorithm with constraint processing

Songtao Huang, Jie Ye, Haozhe Wang, Baojin Li, Anwen Shen, Junli Deng

Traditional switching harmonic suppressor design methods require domain experts to adjust design parameters due to various complex performance requirements and practical…

Effect of magnetic slot wedge on the performance of bulb tubular turbine generator

Hongbo Qiu, Xutian Zou, Xiaobin Fan

Owing to the salient pole structure and stator slots of hydro-generator, the air gap magnetic field in the generator is unevenly distributed. High-frequency harmonic components…

CSF-PC based grid tied improved hybrid three quasi Z source converter

Ramanjaneyulu Alla, Anandita Chowdhury

A new control method is proposed for grid integration of improved hybrid three quasi z source converter (IHTQZSC). The proposed controller provides a constant switching frequency…

Application of new algorithms on asymmetric cascaded multilevel inverter

Ashraf Yahya, Syed M. Usman Ali, Muhammad Farhan Khan

Multilevel inverter (MLI) is an established design approach for inverter applications in medium-voltage and high-voltage range of applications. An asymmetric design synthesizes…

Investigation of convolutional neural network U-net under small datasets in transformer magneto-thermal coupled analysis

Ruohan Gong, Zuqi Tang

This paper aims to investigate the approach combine the deep learning (DL) and finite element method for the magneto-thermal coupled problem.

Real-time transient stability assessment using stacked auto-encoders

Masoud Azarbik, Mostafa Sarlak

This paper aims to report how one can assess the transient stability of a power system by using stacked auto-encoders.

Steklov approximations of Green’s functions for Laplace equations

Manki Cho

This paper aims to present a meshless technique to find the Green’s functions for solutions of Laplacian boundary value problems on rectangular domains. This paper also…