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Modeling of energy flows in the municipality with battery systems
Řehořek, Tomáš ; Krátký,, Milan (referee) ; Paar, Martin (advisor)
This thesis studies battery systems and possibilities of their utilization together with PV systems mainly for domestic purposes. Furthermore, the thesis deals with the impact of increased number of BEVs on load demand. The aim of the thesis is to simulate and investigate the power flows, within a selected grid, with high levels of PV generation paired with battery systems. The calculation of the power flows is performed in OpenDSS and the input data for the simulations are generated in Matlab. The theoretical part of the thesis describes the technology of the battery systems and how they operate. The thesis also partly touches on the use of battery systems for grid applications. In the practical part, an evaluation of simulations investigating the capability of battery systems to limit peaks of surplus generated energy is performed. As well as that the impact of increased load caused by BEV charging and the possibilities of reduction of this load via use of battery systems is also investigated.
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Energy data monitoring in electric vehicle
Krejz, Jan ; Dedek,, Jan (referee) ; Baxant, Petr (advisor)
The thesis deals with the monitoring of the energy data in an electric vehicle using modern diagnostics, using data readings from the CAN bus. The thesis can be divided into three parts. The first part provides a theoretical introduction to the measurement systems found in electric vehicles, then there are the methods of data transmission within the electric vehicle and the possibilities of how to obtain this data. The second part is an overview energy model that theoretically describes the possible flows of electrical energy within an electric vehicle, this theory is then supported by models in Simulink software for specific situations and tests where the theoretically calculated values of energy consumed were verified using this model. and the measured values. In the last section, a proposal for tests and locations where it would be appropriate to monitor these flows is presented. Some of the tests were performed and then evaluated.
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Modeling of energy flows in the municipality with battery systems
Řehořek, Tomáš ; Krátký,, Milan (referee) ; Paar, Martin (advisor)
This thesis studies battery systems and possibilities of their utilization together with PV systems mainly for domestic purposes. Furthermore, the thesis deals with the impact of increased number of BEVs on load demand. The aim of the thesis is to simulate and investigate the power flows, within a selected grid, with high levels of PV generation paired with battery systems. The calculation of the power flows is performed in OpenDSS and the input data for the simulations are generated in Matlab. The theoretical part of the thesis describes the technology of the battery systems and how they operate. The thesis also partly touches on the use of battery systems for grid applications. In the practical part, an evaluation of simulations investigating the capability of battery systems to limit peaks of surplus generated energy is performed. As well as that the impact of increased load caused by BEV charging and the possibilities of reduction of this load via use of battery systems is also investigated.
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