Volume 56

20210508-full
Issue 5-8, 2021

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 56. No 5-8/2021
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20210304-full

C O N T E N T S

ELECTRICAL ENGINEERING
Dejan S. Stevanovic, Miona V. Andrejevic Stosovic, Milan M. Savic
 ...  read more

20210508-02
Advanced computation of the field apparent resistivity of the soil for driven-rod electrodes
Slavko Vujević, Tonći Modrić, Ivan Krolo

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In this paper, analytical formulas for the computation of the field apparent resistivity of the soil for driven-rod electrodes are presented. General four driven-rod electrode array configuration and its special cases: general ...  read more

20210508-01
Power monitoring system for current up to 20A
Dejan S. Stevanovic, Miona V. Andrejevic Stosovic, Milan M. Savic

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In this paper we proposed a system for AC current monitoring in home appliances, up to 20A. System also measures voltage, line frequency, power factor, active power, and total imported active energy. The accuracy of the realized ...  read more

20210508-03
Different AC magnetic field shielding procedures
Teodora G. Gavrilov, Karolina K. Kasas-Lazetic, Miroslav A. Prsa

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In this paper, the analysis of magnetic field distribution of shielded copper conductor with the current of 100 A RMS is presented. The impact of various shielding materials (copper, aluminium and zinc-coated iron tin) and ...  read more

20210508-04
Finite element analysis of inter-turn fault in a brushless direct current drive
Jawad Faiz, Ahmad Jafari

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The key problems in condition monitoring and fault diagnosing brushless direct current motors (BLDCs) include: 1) establishing a model that takes into account the influence of various nonlinear and complex factors to reveal ...  read more

20210508-05
Computer integrated laboratory for teaching electronics at undergraduate level
Marko A. Dimitrijević

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There are several approaches to implementation of computer assisted laboratory for basic electronic education. Trying to keep the advantages of the available concepts such as classical individual work, remote access laboratory, ...  read more

20210304-full
Issue 3-4, 2021

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 56. No 3-4/2021
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20210304-full

C O N T E N T S

COMPUTER SCIENCE
Krassimira Schwertner
Public and private autonomous data base cloud 29

Ivaylo E. Ivaylov
EEG ...  read more

20210304-01
Public and private autonomous data base cloud
Krassimira Schwertner

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The article explains and discusses a new phenomena in organization of the Data Centers. This is known as autonomous database cloud. The private autonomous cloud is the next level in the evolution of the public autonomous cloud ...  read more

20210304-02
EEG classification for BCI using genetic algorithm and k-fold cross validation
Ivaylo E. Ivaylov

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Brain-Computer Interfaces (BCIs) have become popular in the last years and are used for several applications in human-computer interfaces including attention and workload measures as well as for direct control of objects. ...  read more

20210304-03
Impact of an energy conservation measure on reducing CO2 emissions
Mila Ilieva-Obretenova

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The study uses saved energy (the expected annual economy of electrical energy) to describe the impact of energy conservation measure (М1) – Reconstruction of the electric drive and control of a basic hoisting machine, ...  read more