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Models of DC transistor converters in Simulink program
Loup, Martin ; Pazdera, Ivo (referee) ; Huták, Petr (advisor)
The master’s thesis is focused on the creation of models of DC/DC converters and control program for input parameters and their configuration. The first part is theoretical and she is dedicated to the description of the program Matlab. The second chapter is dedicated to DC/DC converters. Their function is described there and the necessary equations for the design are derived. All of this is complemented by the calculation of line losses in semiconductor elements and the design of voltage and current regulator. The last two parts deal with the description of the created models in Simulink and control program in a graphical environment. The created program is able to edit and recalculate parameters of the converters, calculate line losses on semiconductor components, perform a model simulation or open it.
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Oscilloscope supply source with a low parasitic capacity of the galvanic separation
Tauš, Michal ; Martiš, Jan (referee) ; Vorel, Pavel (advisor)
This thesis deals with design of a DC/DC converter for powering the oscilloscope. The main parameters for selecting a suitable inverter are: galvanic isolation of input and output parts of the inverter and low parasitic capacitance of galvanic isolation. The required power of the inverter is 100 W and the output voltage is 325 V. The introduction briefly explains why the DC/DC converter with transformer will be used. The first part of the work deals with the selection of a suitable types of DC/DC converter with transformer for powering the oscilloscope. The next part is devoted to designing of the power parts of resonant converter and single acting flyback converter. This is followed by a complete design of a single-acting flyback converter, including the realization and measurement of the time courses of important quantities.
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EMC of switched-mode power supplies
Olivík, Lukáš ; Dřínovský, Jiří (referee) ; Kolka, Zdeněk (advisor)
The goal of this thesis is to design flyback converter with given parameters complying with standards for electromagnetic compatibility. This thesis describes detailed design of the flyback converter. It summarizes the recommendations for PCB design. Knowledge from number of comparative measurements of the impact of component selection on conducted emission signature was applied during the flyback converter design. Big part of the thesis is aimed on conducted emission measurement and separation of common mode and differential mode emissions. The simple and fast Time domain measurement of conducted emission is described. Final measurement of designed converter was performed at the end of the thesis.
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Instrument power supply unit
Navrátil, Petr ; Vorel, Pavel (referee) ; Tománek, Radek (advisor)
The semestral thesis deals with theoretical preparation for the following diploma thesis. The content of this semestral thesis is familiarization with STM32 microcontrollers, especially with timer blocks, A/D converters and I2C interfaces. The work continues to deal with a theoretical introduction to the selected switching power supply unit and the theoretical design of power supplies for the power supply unit. Subsequently, printed circuit boards were designed for each power source. The final step involves measuring the efficiency of each power source.
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Oscilloscope supply source with a low parasitic capacity of the galvanic separation
Tauš, Michal ; Martiš, Jan (referee) ; Vorel, Pavel (advisor)
This thesis deals with design of a DC/DC converter for powering the oscilloscope. The main parameters for selecting a suitable inverter are: galvanic isolation of input and output parts of the inverter and low parasitic capacitance of galvanic isolation. The required power of the inverter is 100 W and the output voltage is 325 V. The introduction briefly explains why the DC/DC converter with transformer will be used. The first part of the work deals with the selection of a suitable types of DC/DC converter with transformer for powering the oscilloscope. The next part is devoted to designing of the power parts of resonant converter and single acting flyback converter. This is followed by a complete design of a single-acting flyback converter, including the realization and measurement of the time courses of important quantities.
|
|
|
Models of DC transistor converters in Simulink program
Loup, Martin ; Pazdera, Ivo (referee) ; Huták, Petr (advisor)
The master’s thesis is focused on the creation of models of DC/DC converters and control program for input parameters and their configuration. The first part is theoretical and she is dedicated to the description of the program Matlab. The second chapter is dedicated to DC/DC converters. Their function is described there and the necessary equations for the design are derived. All of this is complemented by the calculation of line losses in semiconductor elements and the design of voltage and current regulator. The last two parts deal with the description of the created models in Simulink and control program in a graphical environment. The created program is able to edit and recalculate parameters of the converters, calculate line losses on semiconductor components, perform a model simulation or open it.
|
|
|
EMC of switched-mode power supplies
Olivík, Lukáš ; Dřínovský, Jiří (referee) ; Kolka, Zdeněk (advisor)
The goal of this thesis is to design flyback converter with given parameters complying with standards for electromagnetic compatibility. This thesis describes detailed design of the flyback converter. It summarizes the recommendations for PCB design. Knowledge from number of comparative measurements of the impact of component selection on conducted emission signature was applied during the flyback converter design. Big part of the thesis is aimed on conducted emission measurement and separation of common mode and differential mode emissions. The simple and fast Time domain measurement of conducted emission is described. Final measurement of designed converter was performed at the end of the thesis.
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