National Repository of Grey Literature 5 records found  Search took 0.00 seconds. 
Design of autonomous energy source with photovoltaic and wind power sources
Bršťák, Jan ; Bartošík, Tomáš (referee) ; Ptáček, Michal (advisor)
The ability to accumulate electric power is one of the most important and the most developing field in power engineering. Contemporary problems of electric power production from photovoltaic and wind sources are their varying outputs set by the weather conditions. These disadvantages can cause various problems (particularly there are supplied outputs into distributional system that runs for on-grid systems). The hybrid system (photovoltaic + wind sources) and the accumulation of electric power solve the problems of their output fluctuation because they complement each other. This Bachelor’s Thesis is focused on the basic description of photovoltaic and wind sources and their electric power accumulation. One of the chapters is intended for the description of well-known and used electric power accumulators. There is also a general suggestion of cooperating photovoltaic and wind sources and its evaluation in the relationship to the distributional system. In the conclusion, there are evaluations of the hybrid system (photovoltaic + wind sources) used in praxis. There are also mentioned their advantages and disadvantages.
Small photovoltaic system
Just, Jan ; Chroboczek, Libor (referee) ; Pospíšil, Jiří (advisor)
This thesis describes the fotovoltaics at the present time. Introduction includes information regarding to resources of solar energy, main principle of transformation solar energy to electrical and history. Next parts summarise types of solar cells in economical term, types of material and description of their properties. Thesis includes the construction of fotovoltaic panel and its configuration to fotovoltaic systems with or without connection to electrical power network, contains convenient technologies for improving efficiency and the czech legislation. Final part focuses on designing grid-on system for real object including komplex study of object location, used components and calculation of whole produced electric energy and pay-back time. The main aims are presented in conclusion as well as advantages and disadvantages of the investment.
Problematika řešení ostrovního napájecího systému
MACEK, Karel
This thesis presents a description of grid-off photovoltaic systems. The practical part is dedicated to the construction of the mobile grid-off system, powering scientific machines in the field, where the ability to be easily transported is of high importance.
Design of autonomous energy source with photovoltaic and wind power sources
Bršťák, Jan ; Bartošík, Tomáš (referee) ; Ptáček, Michal (advisor)
The ability to accumulate electric power is one of the most important and the most developing field in power engineering. Contemporary problems of electric power production from photovoltaic and wind sources are their varying outputs set by the weather conditions. These disadvantages can cause various problems (particularly there are supplied outputs into distributional system that runs for on-grid systems). The hybrid system (photovoltaic + wind sources) and the accumulation of electric power solve the problems of their output fluctuation because they complement each other. This Bachelor’s Thesis is focused on the basic description of photovoltaic and wind sources and their electric power accumulation. One of the chapters is intended for the description of well-known and used electric power accumulators. There is also a general suggestion of cooperating photovoltaic and wind sources and its evaluation in the relationship to the distributional system. In the conclusion, there are evaluations of the hybrid system (photovoltaic + wind sources) used in praxis. There are also mentioned their advantages and disadvantages.
Small photovoltaic system
Just, Jan ; Chroboczek, Libor (referee) ; Pospíšil, Jiří (advisor)
This thesis describes the fotovoltaics at the present time. Introduction includes information regarding to resources of solar energy, main principle of transformation solar energy to electrical and history. Next parts summarise types of solar cells in economical term, types of material and description of their properties. Thesis includes the construction of fotovoltaic panel and its configuration to fotovoltaic systems with or without connection to electrical power network, contains convenient technologies for improving efficiency and the czech legislation. Final part focuses on designing grid-on system for real object including komplex study of object location, used components and calculation of whole produced electric energy and pay-back time. The main aims are presented in conclusion as well as advantages and disadvantages of the investment.

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