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Energy-saving detached house
Ondruš, Marek ; Struhala, Karel (referee) ; Kolář, Radim (advisor)
The aim of the bachelor's thesis is to design a single-family house that is low-energy. The building is located in Hlučín, Opava district. The two-story detached L-shaped house features a flat sedum roof on the top and a flat roof that serves as a step-in terrace on the first floor. The main entrance is situated on the north-east side. The ground floor comprises a utility room, a small bathroom, a study room, a storage room under the staircase, and a social zone that includes the living room and a kitchen connected with the dining room. The first floor is the private zone that contains two children's rooms, a master bedroom, a main bathroom, and a walk-in wardrobe. The building's foundations are concrete strips, while the main load-bearing structures are masonry walls designed from sand-lime blocks with ETICS insulation and a reinforced concrete floor slab. The building's heating and cooling is powered by an air-water heat pump, which also heats the hot water. Comfortable indoor microclimate provides a heat recovery ventilation unit with supply ducts in ceiling voids and fans in rooms. Rainwater is collected in a stormwater accumulation tank and reused for toilet flushing and watering the garden. The photovoltaic panels on the main green roof generate energy that can be stored in batteries or used for household appliances. The building is connected to the combined sewer, water service pipe, and electricity service. External blinds and a pergola shading system help to reduce overheating during summer.
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Intelligent charger for lead-acid accumulators 12V/130A with an option "start-car"
Láznička, Martin ; Červinka, Dalibor (referee) ; Vorel, Pavel (advisor)
This bachelor's thesis is considered on a basic description of car battery charger with a support function “start-car”. A switching power supply creates a base of the equipment-this is why the charger is compact and easily portable. It is designed for 6V and 12V batteries. A charging by a constant voltage with a current limitation (to 0.5A, 5A or 20A) is used. The charger maximal current is 120A for a short-term load, so a proposal of an appropriate thermal protection is included in the project.
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Electrical machine thermal protection
Němec, Martin ; Huzlík, Rostislav (referee) ; Mikulčík, Aleš (advisor)
This bachelor´s thesis deals with proposal for thermal protection of single-phase motor. The single part of thesis is devoted to collocation of motor temperature. Knowing this issue is important for thermistor right location. The parameters measuring and the model of simulated scheme are described in following parts. The simulated scheme is created in the Matlab programme, in a programme´s superstructure Simulink. At the close of this thesis, there are values measured and simulated compared.
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Intelligent charger for lead-acid accumulators 12V/130A with an option "start-car"
Láznička, Martin ; Červinka, Dalibor (referee) ; Vorel, Pavel (advisor)
This bachelor's thesis is considered on a basic description of car battery charger with a support function “start-car”. A switching power supply creates a base of the equipment-this is why the charger is compact and easily portable. It is designed for 6V and 12V batteries. A charging by a constant voltage with a current limitation (to 0.5A, 5A or 20A) is used. The charger maximal current is 120A for a short-term load, so a proposal of an appropriate thermal protection is included in the project.
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Electrical machine thermal protection
Němec, Martin ; Huzlík, Rostislav (referee) ; Mikulčík, Aleš (advisor)
This bachelor´s thesis deals with proposal for thermal protection of single-phase motor. The single part of thesis is devoted to collocation of motor temperature. Knowing this issue is important for thermistor right location. The parameters measuring and the model of simulated scheme are described in following parts. The simulated scheme is created in the Matlab programme, in a programme´s superstructure Simulink. At the close of this thesis, there are values measured and simulated compared.
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