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National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Power supply with current reversal
 Hrdina, Adam ; Vorel, Pavel (referee) ; Huták, Petr (advisor)
This thesis describes the design of regulated power supply that allows the reverse direction of the current. The supply can as well work as an electronic load. The supply has continuous settings of voltage from 0 to 50 V and continuous settings of maximum current from 0 to 5 A. The first part of thesis consist general description of power supply and of electronic load. The second part then includes the main design of overall concept of the supply and design of individual components.
Detailed record
Battery Arc Welder
 Hrdina, Adam ; Patočka, Miroslav (referee) ; Vorel, Pavel (advisor)
This master’s thesis deals with the design and fabrication of DC arc welder supplied from its own rechargeable battery. Battery cells’ type is LiFePO4 which can provide high currents even at relatively low capacity. The BMS circuits are designed within the battery. Major power part of the welder is a step-down converter with synchronously switching low transistors at the position of free-wheel diode. The converter operates at 100 kHz frequency. The current of the battery welder can be regulated in the range from 0 to 120 A.
Detailed record
Battery Arc Welder
 Hrdina, Adam ; Patočka, Miroslav (referee) ; Vorel, Pavel (advisor)
This master’s thesis deals with the design and fabrication of DC arc welder supplied from its own rechargeable battery. Battery cells’ type is LiFePO4 which can provide high currents even at relatively low capacity. The BMS circuits are designed within the battery. Major power part of the welder is a step-down converter with synchronously switching low transistors at the position of free-wheel diode. The converter operates at 100 kHz frequency. The current of the battery welder can be regulated in the range from 0 to 120 A.
Detailed record
Power supply with current reversal
 Hrdina, Adam ; Vorel, Pavel (referee) ; Huták, Petr (advisor)
This thesis describes the design of regulated power supply that allows the reverse direction of the current. The supply can as well work as an electronic load. The supply has continuous settings of voltage from 0 to 50 V and continuous settings of maximum current from 0 to 5 A. The first part of thesis consist general description of power supply and of electronic load. The second part then includes the main design of overall concept of the supply and design of individual components.
Detailed record

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