The liberalization of the Romanian energy market has led, for some companies in the energy sector, to the necessity of marketing campaigns. If for a long time, individual consumers had the status of consumers and, implicitly, supply companies had their own regional market, the passage of consumers into the category of eligible ones also generated c...

By Stet Mihaela

The analysis of modern technologies for the construction of automated control systems (ACS) and ways to expand their functionality based on modern Internet technologies has been carried out. One of the ways to extend the functionality of the ASC is to use a WEB-server integrated into the PLC (Programmable Logic Controller). Especially useful is the...

By Mykola Nykolajchuk

The heating process inside a conductor, produced by the AC current Joule losses is very complex, because of the numerous parameters acting at the same time. For this reason, the experimental verification of calculated results would be welcome and this paper presents an attempt of temperature measurement procedure. First of all, in the laboratories ...

By Karolina Kasas Lazetic, Gorana Mijatovic, Dejana Herceg, Miroslav Prsa

The paper presents the results of theoretical research of the solar energy resource potential calculated by different methods for administrative areas of the Carpathian region. The advanced methodology of the estimation of the solar power plants influence on the natural environment is proposed, which deals with the determination of the significance...

By Oleg Mandryk, Nataliya Moskalchuk, Liudmyla Arkhypova, Mykola Prykhodko, Olena Pobigun

Monitoring of the technical condition of gas pumping units (GPU), including the average power of the GPA- Ts-16S type, is important during operation, since damage to its main unit - the blade apparatus can lead to significant economic losses and, in some cases, to an accident. The analysis of the methods of parametric and vibroacoustic control rela...

By Leonid Zamikhovskyi, Natalia Ivanuyk

 The paper presents a viable success alternative for solar energy valorification to generate electricity in a Nord – West Romania community, respectively in Baia Sprie town. The electricity provided by solar power plant is used for city streets lighting system and partially replace conventional electricity, almost 25% and it is an energe...

By Brezoczki Valeria, Gabriela Filip

 The paper deals with the problem of determining the stator end winding inductance of A.C. machines. It refers to the two-layer windings with shortened pitch, the relative pitch being less than one. The inductance has been determined by numerical analysis based on finite elements method (FEM), the procedure being described in this paper. In or...

By Olivian Chiver, Liviu Neamt, Cristian Barz, Eleonora Pop, Cristinel Costea, Zoltan Erdei

Software quality management tool represents an important part of the development process of each software product, as it helps with the evaluation of the quality as well in keeping and tracking issues in the project, providing a good image of the overall quality. We will describe the challenges of developing a quality management tool, and we will u...

By Hajdu-Macelaru Mara Diana

Everyday life without social media is nearly unimaginable in the digital era. Shortly after the emergence of the first social media, the others followed, experiencing an unprecedented expansion towards all the pores of society, entertainment, cultural, sports, and all forms of life in a modern, developed world. In a relatively short period of time,...

By Milic Mladen, D Djuranovic

This paper proposes new models and possible strategies for revitalization of Romanian railways. Based on the analysis of the issues of rail infrastructure, freight and passengers transportation, there have been identified solutions for future direction in order to solve the main problems of this sector. There have been analysed, also, various finan...

By Stet Mihaela