COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 31 Issue 2

Novel guess functions for efficient analysis of Raman fiber amplifiers

The aim of the paper is to demonstrate a fast numerical solution for Raman fiber amplifier equations using proposed guess functions and MATLAB intrinsic properties. MATLAB BVP…

Comprehensive 3‐capacitors model for partial discharge in power cables

The paper proposes and presents a comprehensive and integrated circuit model for investigating the behaviour of partial discharges occurring in voids inside the solid insulations…

A nonlinear frequency analysis based approach for power cable insulation fault detection

The present study is concerned with the application of a nonlinear frequency analysis approach to the detection and location of water tree degradation of power cable XLPE…

Computing optimal electronic and mathematical properties of Buckyball nanoparticle using graph algorithms

One of the significant underlying principles of nanorobotic systems deals with the understanding and conceptualization of their respective complex nanocomponents. This paper…

Experimental and numerical comparison between the output voltages of two novel switched reluctance generators

The purpose of this paper is to propose a combination of two novel switched reluctance generators (SRG) as a suitable prototype to produce electrical energy using natural…

Classification of power quality disturbances using wavelet packet energy and multiclass support vector machine

The purpose of this paper is to develop a new method for classification of power quality (PQ) disturbances such as the sag, interruption, swell, harmonic, notch, oscillatory…

Low‐complexity 2D DOA estimator for multiple coherently distributed sources

The purpose of this paper is to develop a new method for the two‐dimensional direction‐of‐arrival (DOA) estimation of multiple coherently distributed (CD) sources, which can…

A novel self consistent calculation approach for the capacitance‐voltage characteristics of semiconductor quantum wire transistors based on a split‐gate configuration

The purpose of this paper is to develop an efficient numerical algorithm for the self‐consistent solution of Schrodinger and Poisson equations in one‐dimensional systems. The goal…

Shape optimization approach based on the extended finite element method

This paper proposes to extend the combination of Extended Finite Element Method (XFEM) and Level Set Method (LSM) from structural mechanics to electromagnetics. Based on this…

Analysis of the saturated electromagnetic devices under DC bias condition by the decomposed harmonic balance finite element method

This paper aims to introduce the decomposed harmonic balance finite element method (HBFEM) to decrease the memory requirement in large‐scale computation of the DC‐biasing magnetic…

Identification of an equivalent model for the permanent magnets of a magnetron sputtering device

The aim of the work was to obtain an auxiliary instrument able to give the magnetic configuration of a magnetron sputtering device for operation with targets, magnetic and non…

Bio‐inspired optimization algorithms for parameter determination of three‐phase induction motor

The aim of this research paper is to examine the bio‐inspired optimization algorithms, namely, genetic algorithm (GA), particle swarm optimization (PSO) and bacterial foraging…

A hydrodynamical model for holes in silicon semiconductors: The case of parabolic warped bands

This paper intends to present a hydrodynamical model which describes the hole motion in silicon and couples holes and electrons.

A computer‐aided design tool dedicated to isolated DC‐DC converters based on multiobjective optimization using genetic algorithms

This paper presents a computer‐aided design (CAD) tool for the design of isolated dc‐dc converters.

Investigation of electron mobility in GaAs‐based devices using genetic algorithm

The purpose of this work is to study the capability of heuristic algorithms like genetic algorithm to estimate the electron transport parameters of the Gallium Arsenide (GaAs)…

Analysis of some design choices in model based predictive control of flying‐capacitor inverters

Flying‐capacitor multilevel converters (FCC) need a passive or active regulation of the capacitor voltages. Recently the trend is towards active control, often implemented…

A simple unsynchronized two‐end algorithm for faults location and identification in electrical distribution systems

The purpose of this paper is to identify a new and simple two‐end algorithm for fault location identification and characterization, in electrical distribution systems.

Study of very fast transient overvoltages in air‐cored pulsed transformers

The purpose of this paper is to study very fast transient overvoltages (VFTOs) in the secondary winding of air‐cored Tesla transformers and also study the resulting electric field…

Time domain severity factor (TDSF): Induced transient voltage between transformer and vacuum circuit breakers

This paper aims to present and define a factor to assess the severity supported along transformer windings when the transformer is subjected to a transient voltage waveform due a…

Advanced computational tools for wound core distribution transformer no‐load analysis

This paper aims to present an accurate representation of laminated wound cores with a low computational cost using 2D and 3D finite element (FE) method.

Towards short‐circuit proof design of power transformers

The purpose of this paper is to give a comprehensive description of various safety factors that need to be determined while assessing the short‐circuit strength of transformers.

3D heating hazard assessment on transformer covers. Arrangement decisions

The purpose of this paper is to apply a 3D methodology to assess the heating hazard on transformer covers and present a practical tool to design amagnetic inserts arrangement.

External magnetic field density of main traction transformer for EMU

The purpose of this paper is to determine the external magnetic field density of the traction transformer for EMU and to find the model for its computation.

Multi‐port equivalent scheme for multi‐winding traction transformers

The purpose of this paper is to present a new type of equivalent scheme of multi‐winding transformers.

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