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Research and development of bearings for traction motors
Prášilová, Alena ; Čermák, Jan (referee) ; Vrbka, Martin (advisor)
This master’s thesis deals with construction design of cylindrical roller bearing for traction motor and design of life test tool for designed bearing. At the thesis beginning there is an overview of new trends in design of cylindrical roller bearing, according to new trends is designed a new construction design of cylindrical roller bearing. Other part of thesis is strain stress analysis, which assesses an optimal inclination of collar faces and optimal raceway modification of hybrid bearing rings. At the end life test will be analyzed.
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Model of Electric Direct Current Locomotive
Januška, Adam ; Červinka, Dalibor (referee) ; Pazdera, Ivo (advisor)
In this bachelors thesis you can find two ways of controlling direct-current traction motors in locomotives. The main power circuits of two locomotives, which have different motor speed control, are described in this work. The first type of control is the resistors switching control, which is simulated on the E 499.2 locomotiv series (150 series). This controling is compared to thyristor circuit control used in E 499.3 (163) locomotiv series. The simulation is made in the Simulink environment, which is the extension of the Matlab program.
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Model of Electric Direct Current Locomotive
Januška, Adam ; Červinka, Dalibor (referee) ; Pazdera, Ivo (advisor)
In this bachelors thesis you can find two ways of controlling direct-current traction motors in locomotives. The main power circuits of two locomotives, which have different motor speed control, are described in this work. The first type of control is the resistors switching control, which is simulated on the E 499.2 locomotiv series (150 series). This controling is compared to thyristor circuit control used in E 499.3 (163) locomotiv series. The simulation is made in the Simulink environment, which is the extension of the Matlab program.
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Research and development of bearings for traction motors
Prášilová, Alena ; Čermák, Jan (referee) ; Vrbka, Martin (advisor)
This master’s thesis deals with construction design of cylindrical roller bearing for traction motor and design of life test tool for designed bearing. At the thesis beginning there is an overview of new trends in design of cylindrical roller bearing, according to new trends is designed a new construction design of cylindrical roller bearing. Other part of thesis is strain stress analysis, which assesses an optimal inclination of collar faces and optimal raceway modification of hybrid bearing rings. At the end life test will be analyzed.
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