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Calculation of induction machine stray looses
Jirásek, Tomáš ; Kurfűrst, Jiří (referee) ; Ondrůšek, Čestmír (advisor)
The main goal of this thesis is a determination of an idle additional losses in an electric rotary machines and a calculation of these losses for induction machine. The additional losses are caused especially by the eddy currents on the surface of stator and rotor, further by a pulsation of these currents owing to the periodical change of air-gap permeance, magnetic induction in stator and rotor teeth and a differential leakage.
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Stray losses calculation of induction machine
Jirásek, Tomáš ; Hájek, Vítězslav (referee) ; Ondrůšek, Čestmír (advisor)
The main goal of this thesis is a determination of an idle stray losses in induction machine and creation calculation program in MATLAB. The stray losses are caused especially by the eddy currents on the surface of stator and rotor, further by a pulsation of these currents owing to the periodical change of air-gap permeance, magnetic induction in stator and rotor teeth and a differential leakage. Value of stray losses are different of engine construction especially by it are scoring insulated, uninsulated, straight or slant.
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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.
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Noise sources of single phase induction motor
Knap, Zdeněk ; Janda, Marcel (referee) ; Ondrůšek, Čestmír (advisor)
This bachelor’s thesis is aimed to find sources of acoustic noise on a single-phase induction motors. Main focus is noise of electromagnetic origin and its actual connection to motor parameters. Noise frequencies are the key subjects of this work. Based on this literature research, it includes analysis of real single-phase induction motor in mathematical software MATLAB. In the end, there is a summary of rules for reduction of the noise caused by electromagnetic fields and list of dangerous frequencies for analyzed motor.
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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.
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Noise sources of single phase induction motor
Knap, Zdeněk ; Janda, Marcel (referee) ; Ondrůšek, Čestmír (advisor)
This bachelor’s thesis is aimed to find sources of acoustic noise on a single-phase induction motors. Main focus is noise of electromagnetic origin and its actual connection to motor parameters. Noise frequencies are the key subjects of this work. Based on this literature research, it includes analysis of real single-phase induction motor in mathematical software MATLAB. In the end, there is a summary of rules for reduction of the noise caused by electromagnetic fields and list of dangerous frequencies for analyzed motor.
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Calculation of induction machine stray looses
Jirásek, Tomáš ; Kurfűrst, Jiří (referee) ; Ondrůšek, Čestmír (advisor)
The main goal of this thesis is a determination of an idle additional losses in an electric rotary machines and a calculation of these losses for induction machine. The additional losses are caused especially by the eddy currents on the surface of stator and rotor, further by a pulsation of these currents owing to the periodical change of air-gap permeance, magnetic induction in stator and rotor teeth and a differential leakage.
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|
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Stray losses calculation of induction machine
Jirásek, Tomáš ; Hájek, Vítězslav (referee) ; Ondrůšek, Čestmír (advisor)
The main goal of this thesis is a determination of an idle stray losses in induction machine and creation calculation program in MATLAB. The stray losses are caused especially by the eddy currents on the surface of stator and rotor, further by a pulsation of these currents owing to the periodical change of air-gap permeance, magnetic induction in stator and rotor teeth and a differential leakage. Value of stray losses are different of engine construction especially by it are scoring insulated, uninsulated, straight or slant.
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