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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Energy analysis of motor pump units
 Čenč, Samuel ; Štigler, Jaroslav (referee) ; Klas, Roman (advisor)
The bachelor thesis includes description and classification of hydraulic pump units. Individual types of hydraulic pumps, their area of use, advantages and disadvantages, and the method of regulating the output hydraulic parameters are described here. The thesis also includes a brief description of electric drives, whcich are used as a source of mechanical energy to drive hydraulic pumps. The purpose of the first part is to point out that there are two main ways of regulating the output hydraulic parameters. This is the regulation by changing the geometric volume of the hydraulic pump and the regulation by changing the speed of the electric motor. In the main part of the bachelor thesis attention is paid to individual conceptual solutions of hydraulic pump units. The essence of the regulation of hydraulic variables, the principle of operation of regulation in selected representatives regarding their dynamics is explained here. This is followed by experimental verification on real representatives of hydraulic pump units, which enables a deeper insight into the issue of hydraulic power units regulation and the course of electrical and hydraulic variables during the transient state.
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