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Design of a photovoltaic power system with battery storage for household purposes
Lacina, Jaroslav ; Jandová, Kristýna (referee) ; Vaněk, Jiří (advisor)
This master’s thesis takes a look at possible project of photovoltaic powerplant with power storage for households. The principle and function of photovoltaic cells, inverter and acumulators will be explained in the theoretical part. The subsequent part will focus on description of photovoltaic systems, legal point of view as well as funding by programme New Green Savings.In the practical part, the photovoltaic power plant with battery storage for the home and its economic evaluation is proposed. The PV*SOL premium program was used for simulation and data processing.
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Inovation of a photovoltaic power system with battery storage
Pallová, Ivana ; Jandová, Kristýna (referee) ; Vaněk, Jiří (advisor)
This diploma thesis is focused on the Innovation of the existing power plant with battery storage. In the theoretical part, the individual parts of the photovoltaic power plant are introduced, the principle of operation of the photovoltaic cell and the individual types of these cells are desribed. The work also deals with the description of the existing photovoltaic power plant and their components. Subsequently, a battery systém and otherpossibilities of Innovation with the possibility of a subsidy and without it are designed. In the final part, the most advantageous solution is evaluated according to the performes simulations.
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Safety of off-grid hybrid energy system operation
Orság, Štěpán ; Vrána, Michal (referee) ; Morávek, Jan (advisor)
The thesis deals with the safety of hybrid systems in island operation. The safety requirements for electrical installation with photovoltaic system and protection against electric shock are discussed. Hybrid battery systems have a lower short-circuit performance in islanded operation, compared to parallel operation with the distribution grid, so the thesis focuses on the specifics of islanded operation and the use of protections that are part of the PV inverter or electrical installation. The work includes the design of test procedures and measurements on selected inverters with subsequent evaluation and recommendation of further protection measures.
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Design of PV plant with accumulation for commercial building
Jörka, Lukáš ; Morávek, Jan (referee) ; Mastný, Petr (advisor)
This Master´s Thesis deals with the design of photovoltaic power plant with accumulation for commercial building in the city of Holešov. The first part of the thesis describes the requirements for connection and operation of power supplies with inverters according to Annex 4 of the PPDS and the European Commission directive RfG. The second part of the work focuses on the theory of photovoltaic systems, while their basic concepts are introduced, the individual components of photovoltaic systems are described, and eventually, the issue of inverters dimensioning is discussed in more depth. In the practical part of this thesis, the design of photovoltaic power plant with accumulation using the PVSOL program is performed. Within the design, components for PV plant with accumulation are selected, the project documentation of PV plant for building permit is prepared and the energy-economic analysis of the proposed solution is performed.
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Inverter for electric supercharger with GaN transistors
Galia, Jan ; Pazdera, Ivo (referee) ; Martiš, Jan (advisor)
This master’s thesis deals with the design and realization of a functional sample power inverter for an electric compressor, which is used in hybrid cars. The electric compressor powered by the inverter is E-compressor by Garrett Advancing Motion. An inverter will be using modern High Electron Mobility Transistors which are based on gallium nitride (GaN). The purpose of this thesis is to find if GaN transistors can be used in E-boosting application.
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Design of a photovoltaic power plant with battery storage for a family house
Hub, Michal ; Maule, Petr (referee) ; Vaněk, Jiří (advisor)
This diploma thesis deals with the design of a photovoltaic power plant with a battery storage for a family house. In the theoretical part at first the principle of photovoltaic cells is analysed together with the various types used in this branch. Furthermore, the thesis deals with the description of photovoltaic systems and its individual parts consisting of inverters and accumulators. This thesis analyses the object for the installation of a photovoltaic power plant, including legislative and subsidy conditions. In the final part, itself system is analysed with a price proposal.
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Design of a photovoltaic power plant with battery storage for a family house
Řihák, Roman ; Maule, Petr (referee) ; Vaněk, Jiří (advisor)
This bachelor work deals with the design of a photovoltaic power plant with a battery storage for household purposes. In the theoretical part are mentioned principles and explanation of the function of photovoltaic cells and accumulators. The thesis also deals with the description of photovoltaic systems and the system of accumulation of energy in accumulators. In the final part are the system and legislative conditions analyzed. In the practical part of the work is shown photovoltaic power plant design with PV*SOL software.
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Single-phase DC/AC converter with output parameters 230 V / 50 Hz / 100 VA
Smolák, Martin ; Martiš, Jan (referee) ; Vorel, Pavel (advisor)
This master‘s thesis focuses on optimization of power and control circuits of an inverter, which was developed at UVEE. The principle of function and circuit implementation of a single-phase inventer, various calculations (design of an LC filter, DC link capacitor, semiconductor elements and heat sink) are described in the thesis. A design of fast overcurrent protections, oscillator and saw signal generator is included. Furthermore, a printed circuit board was designed which was optimized by thermal simulation in the Workbench Ansys. Subsequently, the printed circuit board was mounted, debugged and verification measurements were performed on it. At the end of the thesis there is a documentation for the implemented equipment.
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Design of a photovoltaic power plant with battery storage for a family house
Pavlíček, Michal ; Maule, Petr (referee) ; Vaněk, Jiří (advisor)
This bachelor thesis deals with the design of a photovoltaic power plant with a battery storage for household purposes. In the theoretical part are mentioned principles and explanation of the function of photovoltaic cells and accumulators. The thesis also deals with the description of photovoltaic systems and the system of accumulation of energy in accumulators. In the final part are the system and legislative conditions analyzed. In the practical part, the photovoltaic power plant with battery storage for the home and its economic evaluation is proposed.
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Inverter for single-phase island network
Klčo, Michal ; Folprecht, Martin (referee) ; Procházka, Petr (advisor)
The thesis deals with a design and construction of voltage converter from 12 V DC to 230 V AC with frequency 50 Hz. Maximum output power of this device is 250 W. As a control circuit has been used IC TL494CN. The device includes undervoltage protection, which is applied if the voltage of the supply battery drops and protection against battery overcharging by solar panel. It also develops a proposal for integration the inverter into the island power system.
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