volume 54

20191112-full
Issue 11-12, 2019

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 54. No 11-12/2019
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20191112-full

C O N T E N T S

ELECTRICAL ENGINEERING
Ana Vučković, Mirjana Perić, Dušan Vučković, Nebojša Raičević, ...  read more

20191112-01
Magnetic force calculation of U-shaped permanent magnet and linear magnetic plane
Ana Vučković, Mirjana Perić, Dušan Vučković, Nebojša Raičević, Saša Ilić

Cite as:

Magnetic force between U-shaped permanent magnet and linear infinite plane is determined in the paper. Two different cross-sections (circular and rectangular cross section) are considered in the paper in order to analyse their ...  read more

20191112-02
Experimental validation of the frequency multiplexing method of simultaneous wireless transmission of energy and information signals
Lyudmil Petkov, Nikolay Madzharov

Cite as:

Wireless energy transfer and bidirectional transfer of information and control signals, using the same inductive connection, has been a current topic of research in recent years. Depending on the required transmitted power ...  read more

20191112-03
Blockchain in the telecom industry
Boyan Jekov, Petya Petkova, Elena Shoikova

Cite as:

This article looks at the introduction of Blockchain technology in the telecoms industry. Blockchain is one of the disruptive technologies that is rapidly entering all sectors of the industry, economy and life. This article ...  read more

20191112-04
The old news in 2019 in infrastructure and network legislation
Kamena Tsaneva, Darina Stoyanova

Cite as:

The article discusses old news in the Bulgarian 2019 infrastructure and network legislation.

Старите новости през 2019 в инфраструктурното и мрежовото законодателство.


Cite this article as:

 ...  read more

20190910-full
Issue 9-10, 2019

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 54. No 9-10/2019
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20190910-full

C

 ...  read more

20190910-01
Software tool for comparing LTE traffic prioritisation algorithms
Aydan Haka

Cite as:

The anticipated expansion of LTE subscriptions worldwide, affect the need to improve QoS. This can be done by extending and improving the existing network architecture and implementing new algorithms for traffic prioritisation. ...  read more

20190910-02
Overall robust optimization approach for electron beam induced grafting process
Lilyana Koleva, Elena Koleva, Monica R. Nemtanu, Mirela Braşoveanu

Cite as:

The article presents a review of how to pick or design the correct most cost-effective BLDC (Brushless Direct Current) motor controller to fit the needs of the project. After a brief overview of the history and presenting ...  read more

20190910-03
DC-DC converter for interfacing PV panel to micro-inverter
Zahari Zarkov

Cite as:

Photovoltaic (PV) energy has become competitive in power generation as an alternative to fossil fuels over the past decades. The installation of solar energy systems is expected to increase rapidly with the further development ...  read more

20190910-04
Review for choosing the correct BLDC controller
Vasil Vasilev, Emil Vladkov

Cite as:

The article presents a review of how to pick or design the correct most cost-effective BLDC (Brushless Direct Current) motor controller to fit the needs of the project. After a brief overview of the history and presenting ...  read more