This paper summarizes the readiness of the Czech Republic electric network for the oncoming of the smart technology. It describes the individual parts of the smart networks and the necessary alterations of the these parts that must be done for the smart technology to&#x...

This paper deals with one part of so called SMART GRIDS systems, which is storage of electrical and thermal energy, preferably in small scale applications, such as family houses, apartment houses or small commercial buildings. Distributed energy storage systems in combination wit...

This article describes the influence of the construction of the light fitting on the efficiency of luminaries systems or the utility factor as the case may be. The main aim of this paper is draw of a reciprocal relation between the efficiency of the light fitting and...

This paper deals with the essential function of generator circuit breaker in power plant. The aim of the paper is to analyse very demanding current and voltage required capabilities concerned with the short-circuit current which a generator circuit breaker can experience. Many&#x...

This thesis is focused on radioactive waste disposal in the Czech Republic and the world. Thesis contains data on final repository, repository of low-level waste. This work deals with the problem of radioactive waste and their liquidity. Work treats about the future of deep re...

This paper deals with steady-state voltage stability problem as one of the main topics of interest in today's power system operation and control worldwide. It mainly focuses on analytical description of the problem and conventional (analytical) solution of simple power systems...

The paper describes borders and limitations for the isolated network operation from the communications point of view. It shows the issues especially when using wireless communication. The document is mainly focused on Smart Micro-Grid network and its island operation. It shows th...

This paper deals with analysis of power consumption values of The Czech Republic. This analysis is necessary to predict the future development. Electricity consumption depends on several factors and here are shown the most important of them. Another aim of this paper is to dem...

This paper deals with the specific energy consumption of the induction crucible furnace single melts during working-day. Single melts and their specific energy consumptions are compared and influenceson melting efficiency are analyzed in this paper. All measurements were carried out on ABB&#...

The first part of this paper deals with the determination of the equivalent circuit parameters of the induction motor, cable and the transformer. The second part of this paper describes the effect of the feeder cable impedance on the mechanical output characteristic of ...

The paper is divided into two parts. The first part is given to illustrate the previous work realized in the frame of diploma thesis. The topic of the thesis was “Numerical analyses of insulating system of electric device”. There are the problem description, specification of&#...

This article deals with the corona discharge and electromagnetic emissions. It describes the emergence of discharge and its manifestations. It describes the measurement set, and used measuring instruments. Measurements were carried out on the tip-electrode system hemisphere. It demonstrates the e...

In this paper I describe a computer simulation example, based on the requirement of practice. Changes of electromagnetic, thermal and dilatation field distribution of turbo-generator shrink-ring are solved here. The aim is to fit the shring-ring to the body of the turbo-generator rotor&...

This article deals with the high voltage conductor ampacity. The aim of this paper is a preliminary description of the impact of ambient temperature on the final temperature of a conductor and the conductor’s sag caused by that final temperature at a defined current load. ...

This paper deals with term Power Quality and its reference to terms Voltage Quality, Continuity of supply, and Quality of Supply. There are described the main voltage disturbances and voltage characteristics given by the standard EN 50160. In final part of the paper power qual...

This paper deals with the transmission power system of Libya and its capacity to incorporate renewable power sources, especially large wind power farms. First, the initial load flow case of the eastern part of the Libyan transmission network has been performed. Second, another load...

Biomass it the oldest used fuel of the mankind (approximately 40 000 years) and still today it is important worldwide source of the energy. Its proportion on the world energetic balance according to up to date source is around 16 %. The highest proportion of the biom...

This article deals with conditions for usage of solar energy in Spain. It discusses the current status of legislation in Spain and it analyzes the PER (Renewable Energy Plan). It also focuses on installed power and some most important photovoltaic installations.

This paper describes the opportunity in the energy generation and energy use by the Pilen heat power station and their positive impact on the environment by the biomass integration for energy generation. Also describes the opportunity in the Pilsen region to build complex for ...

The renewable sources have a high priority in national energy concept. However it is important to know that these types of energy cannot fully cover the whole demand of energy given by the primary sources and nuclear energy. Nevertheless it is essential to implement the r...