National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Simulink transformer models based on equivalent circuits
Petrič, Peter ; Huták, Petr (referee) ; Pazdera, Ivo (advisor)
The aim of the bachelor‘s thesis is to project and then realize models of transformer in Matlab/Simulink program. These proposed procedures show the relation between original transformer and its spare connections. The first part of bachelor‘s thesis is oriented to theory of transformers which defines basic parametres and relations between them in transformer. Later in this part we try to describe cross-over from basic transformer model to the spare connection which is needed in realization of model in Simulink. The second part of bachelor‘;s thesis is oriented to theoretical description of vector transformation. It describes some basic relations of general transformation, currents transformation and voltage in certain connections. The third part of bachelor‘s thesis shows some practical realization of spare connection models of basic transformer in Simulink program. In this part we modeled some current transformer models and voltage for single-phase and three-phase system. As to compare we have created process of currents and voltages in transformer as well as power and load of each model.
Transformer models for educational purposes
Beran, Vojtěch ; Ctibor, Jiří (referee) ; Pazdera, Ivo (advisor)
The aim of the bachelor's thesis is to project and realize models of transformers in Matlab and Simulink program. Projected models explain the theoretical precondition of the models. The aim is also to create manuals for models usage. The theoretical part bachelor's thesis is focused on transformer theory, which defines the properties, physical quantities, parameters and relations between them. In this part is defined transition from the basic model to models of current and voltage transformer, which forms the basis for the realization of simulations in Simulink. The next part describes vector transformation needed for modeling three phase system, defining the power, voltage and current of the transformer and for change of winding connection. Last part describes non-linear magnetic field. The practical part of the bachelor's thesis is the practical implementation of transformer models in Simulink. Realized models are models of current and voltage transformers. Each model has a form of linear and non-linear model and can work in single-phase or three-phase system. The output of simulation are values and voltage, current and power waveforms for a given load. There is a brief manual for usage for each model.
Transformer models for educational purposes
Beran, Vojtěch ; Ctibor, Jiří (referee) ; Pazdera, Ivo (advisor)
The aim of the bachelor's thesis is to project and realize models of transformers in Matlab and Simulink program. Projected models explain the theoretical precondition of the models. The aim is also to create manuals for models usage. The theoretical part bachelor's thesis is focused on transformer theory, which defines the properties, physical quantities, parameters and relations between them. In this part is defined transition from the basic model to models of current and voltage transformer, which forms the basis for the realization of simulations in Simulink. The next part describes vector transformation needed for modeling three phase system, defining the power, voltage and current of the transformer and for change of winding connection. Last part describes non-linear magnetic field. The practical part of the bachelor's thesis is the practical implementation of transformer models in Simulink. Realized models are models of current and voltage transformers. Each model has a form of linear and non-linear model and can work in single-phase or three-phase system. The output of simulation are values and voltage, current and power waveforms for a given load. There is a brief manual for usage for each model.
Simulink transformer models based on equivalent circuits
Petrič, Peter ; Huták, Petr (referee) ; Pazdera, Ivo (advisor)
The aim of the bachelor‘s thesis is to project and then realize models of transformer in Matlab/Simulink program. These proposed procedures show the relation between original transformer and its spare connections. The first part of bachelor‘s thesis is oriented to theory of transformers which defines basic parametres and relations between them in transformer. Later in this part we try to describe cross-over from basic transformer model to the spare connection which is needed in realization of model in Simulink. The second part of bachelor‘;s thesis is oriented to theoretical description of vector transformation. It describes some basic relations of general transformation, currents transformation and voltage in certain connections. The third part of bachelor‘s thesis shows some practical realization of spare connection models of basic transformer in Simulink program. In this part we modeled some current transformer models and voltage for single-phase and three-phase system. As to compare we have created process of currents and voltages in transformer as well as power and load of each model.

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