New possibilities of power electronic structures using SiC technology

This paper is dedicated to the recent unprecedented boom of SiC electronic technology. The contribution deals with brief survey of those properties. In particular, the differences (both good and bad) between SiC electronics technology and well-known silicon VLSI technology are highlighted. Projected performance benefits of SiC electronics are given for several large-scale applications on the end of the contribution. The basic properties of SiC material have been discussed already on the beginning of 80’s, also at our university [1]

Analysis of PMMT operation for renewable (PV/FC) energy source

Utilization and construction of renewable energy sources require complexity of whole system. It is considered to use a set of devices that are necessary for energy conversion, accumulation, preparation and its distribution into electrical power supply network. The way of realization should be to use the system of power converters containing DC/DC converter that is used for mentioned activities (conversion, accumulation, preparation, distribution of energy)

Unequal input voltages distribution between the serial connected halfbridges

This paper describes simulations of test sequences transmission for intrusive measurement of VTQoS in environment of fixed telecommunication network. The aim of simulations was a detection on the influence of this environment on the quality of transmission sequences. Evaluation the generated sequences was based on the calculation of mean square measure and correlation coefficient. These measures were used as a criterion for suitable test sequences selection. Reconsideration of a convenience of the given test sequence, which is composed from simple signals, on intrusive measurement of VTQoS in the environment of fixed telecommunication networks is the aim of this paper