National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Vibration diagnostics of electrical machines
Lexa, Jakub ; Veselka, František (referee) ; Janda, Marcel (advisor)
This thesis deals with vibration diagnostics of electrical machines. The thesis describes vibrations and their measurement. The next section concernes the diffrent modes of elctrical machines. Vibration of machines are divided into electrical causes and mechanical causes. Practical part deals with the measurement of vibration on the machines and their subsequent analysis. The result of the practical part is determining the fault of the measured induction motors.
Noise suppression of six pole induction machine
Lexa, Jakub ; Janda, Marcel (referee) ; Ondrůšek, Čestmír (advisor)
This thesis deals with noise of electromagnetic origin of six pole three-phases induction machine. Task thesis was rendering literature review. Analysis of the problem consists of various analytical calculations using Matlab and subsequent comparison of results with measured data on real induction machine. The last part of thesis is a summary of conditions for induction machine with low noise.
Noise suppression of six pole induction machine
Lexa, Jakub ; Janda, Marcel (referee) ; Ondrůšek, Čestmír (advisor)
This thesis deals with noise of electromagnetic origin of six pole three-phases induction machine. Task thesis was rendering literature review. Analysis of the problem consists of various analytical calculations using Matlab and subsequent comparison of results with measured data on real induction machine. The last part of thesis is a summary of conditions for induction machine with low noise.
Vibration diagnostics of electrical machines
Lexa, Jakub ; Veselka, František (referee) ; Janda, Marcel (advisor)
This thesis deals with vibration diagnostics of electrical machines. The thesis describes vibrations and their measurement. The next section concernes the diffrent modes of elctrical machines. Vibration of machines are divided into electrical causes and mechanical causes. Practical part deals with the measurement of vibration on the machines and their subsequent analysis. The result of the practical part is determining the fault of the measured induction motors.

See also: similar author names
2 Lexa, Jan
3 Lexa, Jaroslav
2 Lexa, Jiří
2 Lexa, Josef
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