The DSWIG scheme proposed in this paper uses an inverter with apparent power lower than the corresponding generator power. The expected ratio between the inverter power and the generator power is 50% in the case of DSWIG. This is similar to DFIG applications. The advantage of DSWIG is the lack of brushes. DSWIG can be used in variable speed applica...

By Sorin Ioan Deaconu, Feifei Bu, Marcel Topor, Lucian Nicolae Tutelea, Nicolae Muntean, Dan Hulea

The article aims at studying the theoretical basis and developing a methodological approach to assessing the development of urban infrastructure from the point of view of the use of venture capital. The article explores the tendencies of the development of venture capital investments in the world. Particular attention is paid to comparing volumes o...

By Uliana Andrusiv, Iryna Kinash, Anzhela Cherhata, Alla Polyanska, Oleh Dzoba, Tetiana Tarasova, Kira Spirodonova

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

One of the least researched, but important issues in the field of political sciences is the implication of social responsible policies in making and implementing public policies and which are the bases of the social responsibility issue. There are some fundamental questions that are philosophical ones, but which represent part of the base of politi...

By Octavia Domide, Gherasim Solovestru Domide

In this paper we shall describe how to help people in commercial property management with answering the question: are hobby and DIY solutions based on inexpensive microcontrollers good enough and are they capable to manage the energy efficiency of commercial buildings. System is based on network of PIR movement sensors, door and window sensors, lig...

By Saša Salapura

Many years after the war, in the majority of ex Yugoslavian countries, the main topic has been unemployment issue. Countries passed the process of transition from centrally regulated economy into market oriented one. Money, as one of the highly mobile factor of production, came into region throughout financial channels. Opposite to money, contempor...

By Mirjana Stojanovic-Trivanovic, Vesna Rodic

Science is developing rapidly and it is so fast that society can’t follow. The negative consequences of such a rapid development start to appear. First, developed countries can easily apply scientific achievements to improve the lives of their citizens, while developing countries live harder than 20 or 30 years ago. Second, pseudo-science app...

By Goran Kalinić

Electronic properties of pulsed laser deposited, nanoscale CeNi5 alloy layers, on a dielectric substrate are described using the complex dielectric function. This spectral behavior is studied separately for the real part ε1 (the dielectric constant or dielectric permittivity) and imaginary part ε2 (the dielectric loss function) of t...

By Daniela Todoran, Radu Todoran, Zsolt Szakacs

Gas pumping units (GPU) GTK - 25i produced at Nuovo-Pignon company (Italy) have been in operation for more than 40 years and most of them have fulfilled the established service life or are close to it, and therefore their further operation can lead to emergency situations. Considering that on the Urengoy- Pomary-Uzhgorod gas pipeline today more tha...

By Leonid Zamikhovskiy, Volodymyr Pavlyk

When preparing raw materials for the manufacture of ceramic products (clay), a significant amount of metallic impurities falls into it. With further technological operations, such raw materials are a source of danger for equipment that can fail if metal inclusions get into it, or the process line. In this regard, an urgent task is the development o...

By Leonid Zamikhovskiy, Ivan Levitsky