The paper deals with the definition of Life Cycle Check, it is very practical and usage tool for environmental assessment of products. In the first part of the paper there is described the instruction on how to proceed step by step. The Life Cycle Check helps to ...

This paper deals with mathematical modelling of wind power plant with asynchronous generator. The modelling procedure is briefly explained, mathematical descriptions and Simulink models of the wind power plant basic parts are shown and the model of the whole system is presented.

This paper discusses configuration of thin-film photovoltaic cells, which are one of the new trends in the sphere of solar system. The first part of the paper is very shortly introduction to problematic of the Sun energy and its utilization in the sphere of photovoltaic. ...

This paper deals with overvoltage protection strategy and methods for photovoltaic systems as renewable energy source. It describes some sample circuit connection with overvoltage protection devices and some overvoltage protection device types.

This paper deals with the brief description of trigeneration units for simultaneous production of cooling, heating and power (CHP). These units can be properly applied to increasing the efficiency of energy production and reducing the needs of primary energy sources.

In conjunction with worldwide decreasing of energy sources and increasing of electric power consumption, the environment problematic is getting into spotlight more and more presently. Due to these facts, it is necessary to search new energy sources and new solutions of energy...

The Slovak Republic is a landlocked state in Central Europe. It has a population of over five million and an area of about 49,000 square kilometers. Slovakia is a landlocked country bordered by the Czech Republic and Austria to the west, Poland to the north, U...

This paper deals about hydro power plants in Slovak Republic. Hydro power plants are significant part of Slovakian power system. They are used to generation peak load, frequency regulation etc. Hydropotential in Slovakia is used at 51%. Hydro power plants produce 21% of ...

This article deals with the renewable energy sources in Slovakia. More concretely it deals with the photovoltaic cells and solar energy. The article describes how the solar cell works. The article show how many solar radiation we have in Slovakia.

This paper deals with impacts on transmission power system from wind power plans. The aim of this paper is to divide advantages and disadvantages of wind energy and their usage for generation of electricity. With generation of electricity from this renewable energy source&#x...

This paper describes a loss-optimized management algorithm and the implementation of this algorithm in an energy management for low-voltage grids. Such an energy management is based on a management structure which consists of two parts of management. The communication between these&#x...

In der vorliegenden Publikation werden die Ergebnisse erster Versuche zur Herstellung chemische modifizierter (phosphorylierter) Ionenaustauscher auf Basis nachwachsender Rohstoffe in einer Mikrowellen-Bandanlage vorgestellt. Nach einer kurzen Diskussion der Ausgangssituation und der Beschreibung der eingesetzten...

Gegenstand der vorliegenden Publikation ist die adsorptive Schwefelwasserstoffentfernung aus Biogas – im Besonderen Untersuchungen zum Einfluss von Gasfeuchte und Sauerstoffgehalt auf den Adsorptionsprozess. Nach einem kurzen einleitenden Überblick zur Problematik werden die vergleichend untersuchten Adsorbe...