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National Repository of Grey Literature 7 records found  Search took 0.01 seconds. 
Three-phase accumulator inverter
 Mikulka, Martin ; Boušek, Jaroslav (referee) ; Háze, Jiří (advisor)
The topic of this work is the design of a voltage converter and a 3-phase inverter. The final converter will be able to supply a 3-phase output voltage with a selectable waveform, but primarily a harmonic sinusoidal. The inverter will have an adjustable voltage (sinusoidal amplitude) in a certain range, as well as the possibility of a small correction of the output frequency and phase shift so that it is possible to generate, for example, a two-phase 120 grid or other, test course.
Detailed record
Backup power-pack for cell phones
 Kovařík, Jindřich ; Povalač, Aleš (referee) ; Kubíček, Michal (advisor)
This Bachelor`s thesis is focused on the issue of high energy intensity modern mobile phones. The aim is to create a backup power supply with its own batteries, which will be able to recharge your mobile phone in the absence network resources. Implementation of backup resources must be sufficientlymechanically resistant to be usable in practice.
Detailed record
Design of a universal power bank with different output levels
 Šálek, Karel ; Vyroubal, Petr (referee) ; Čech, Ondřej (advisor)
This thesis deals with the design of a power bank with different voltage levels. In the first part of the thesis the theoretical principles of lithium batteries, BMS systems and DC-DC converters are described. The second part of the thesis deals with the individual designs of power bank outputs and then their construction and testing in practice.
Detailed record
Design of power supply for security system
 Šmíd, Marek ; Boušek, Jaroslav (referee) ; Pavlík, Michal (advisor)
This thesis is focused on switching power supply selection for alarm system ASSET. It describes eligible types of convertors for this specific application. It describes general design steps also. It describes particular design of chosen convertor, its simulation, construction and measuring.
Detailed record
Three-phase accumulator inverter
 Mikulka, Martin ; Boušek, Jaroslav (referee) ; Háze, Jiří (advisor)
The topic of this work is the design of a voltage converter and a 3-phase inverter. The final converter will be able to supply a 3-phase output voltage with a selectable waveform, but primarily a harmonic sinusoidal. The inverter will have an adjustable voltage (sinusoidal amplitude) in a certain range, as well as the possibility of a small correction of the output frequency and phase shift so that it is possible to generate, for example, a two-phase 120 grid or other, test course.
Detailed record
Design of a universal power bank with different output levels
 Šálek, Karel ; Vyroubal, Petr (referee) ; Čech, Ondřej (advisor)
This thesis deals with the design of a power bank with different voltage levels. In the first part of the thesis the theoretical principles of lithium batteries, BMS systems and DC-DC converters are described. The second part of the thesis deals with the individual designs of power bank outputs and then their construction and testing in practice.
Detailed record
Backup power-pack for cell phones
 Kovařík, Jindřich ; Povalač, Aleš (referee) ; Kubíček, Michal (advisor)
This Bachelor`s thesis is focused on the issue of high energy intensity modern mobile phones. The aim is to create a backup power supply with its own batteries, which will be able to recharge your mobile phone in the absence network resources. Implementation of backup resources must be sufficientlymechanically resistant to be usable in practice.
Detailed record

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