National Repository of Grey Literature 12 records found  1 - 10next  jump to record: Search took 0.00 seconds. 
Substituting circuit of an induction machine
Běloušek, Radim ; Cipín, Radoslav (referee) ; Patočka, Miroslav (advisor)
Although induction motors are the simplest and most working reliability machines, is the identification of the parameters of their substituting circuit very difficult. There is solved the identification of the parameters of the substituting circuit in the T-network and ? –network in this work. The work also includes the proposal of magnetic circuit of the induction motor, the calculation of magnetizing and leakage inductances and resistances of the machine. The conclusion of the work is devoted to the sensitivity analysis of current and torque characteristics of induction motor upon the change of the single parameters of the substituting circuit.
Parameters identification of the asynchronous machine substituting circuit
Běloušek, Radim ; Cipín, Radoslav (referee) ; Patočka, Miroslav (advisor)
Mathematical model and substituting circuit both include several parameters, which is important to determine for a control. This work is target on identification of parameters of substitute circuit of the asynchronous machine in -network form. The work is divided into several main units. In the first of them are shown the methods of identification of asynchronous machine on the selected machine. The measuring of torque characteristic by classical way with dynamometer and by dynamically with fly-wheels is shown in the next part of this work. The final part of this work is devoted to interpretation and comparison of achieved results.
Algorithms for the Control of the Induction Motor
Hundák, Vladimír ; Běloušek, Radim (referee) ; Patočka, Miroslav (advisor)
Hlavným cieľom tejto práce je vytvorenie simulácií rôznych algoritmov riadenia asynchrónneho motora a vzájomné porovnanie ich vlastností. Zaoberá sa taktiež možnosťami konfigurácie náhradného zapojenia na T-článok, -článok a -článok. Obsahuje jednak teoretický rozbor, a taktiež aj simulácie jednotlivých spôsobov riadenia spolu s podrobným návodom na ich realizáciu. Celkovo budú vykonané 3 simulácie – simulácia vektorového riadenia s orientáciou na rotorový tok, vektorového riadenia s orientáciou na statorový tok a simulácia takzvaného prirodzeného riadenia. Ide o úplne nový typ riadenia, ktorého autorom je vedúci tejto diplomovej práce. Jeho simulácia bola vôbec prvým pokusom o funkčnú realizáciu tohto typu riadenia.
Analysis and design of the AC machines winding.
Vorel, Luboš ; Huzlík, Rostislav (referee) ; Běloušek, Radim (advisor)
This diploma thesis is focused on an analysis and design of an AC machines windings. In the theoretical part of the thesis, differences between single-layer and double-layer windings are explained. Next, the properties of a stator winding of synchronous machines are described. Finally, the winding factor is determined by means of a standard calculation method and by means of a new progressive calculation method, too. In the experimental part of this thesis, the stator winding of a high-speed synchronous generator excited by permanent magnets on the rotor is designed. This generator is driven by a steam turbine.
Parameter analysis of induction motor equivalent circuits
Minks, Ondřej ; Běloušek, Radim (referee) ; Mach, Martin (advisor)
This work deals with the determination of the parameters of induction motor equivalent circuits in T-network, gamma-network and inverted gamma-network form from no-load test and discovering voltage dependence of these parameters. For each of these circuits are determined dependencies of the torque and the stator current on the slip. Using the MATLAB simulations, the theoretically derived dependencies are compared with real, which are measured on the motor with the squirrel-cage rotor with power 0,6 kW, 2p = 2, both in operating and in whole motor area.
Analysis of different types of the induction machine substituting circuit.
Halfar, Lukáš ; Vašíček, Adam (referee) ; Běloušek, Radim (advisor)
The bachelor´s thesis is focused on equivalet circuits of the asynchronous motor. From the topological point of view, we can divide the equivalent circuits into T-network, -network and -network. Each of these circuits has its use. In the thesis are derived all of networks and are described their properties. Their use is deduced from properties. Next part is devoted to derivate reversible formulas between T-network and -network, T-network and -network. The thesis also include derivation of torque characteristic. The practical part is devoted to measuring of asynchronous motor AOM090L02-16 to identify parameters of equivalent circuit. The identification of the parameters is performed by two different methods of identification. The methods are compared by use in formula of torque characteristic. The last part is dedicated to comparison of usefulness of individual equivalent circuits.
Analysis of different types of the induction machine substituting circuit.
Halfar, Lukáš ; Vašíček, Adam (referee) ; Běloušek, Radim (advisor)
The bachelor´s thesis is focused on equivalet circuits of the asynchronous motor. From the topological point of view, we can divide the equivalent circuits into T-network, -network and -network. Each of these circuits has its use. In the thesis are derived all of networks and are described their properties. Their use is deduced from properties. Next part is devoted to derivate reversible formulas between T-network and -network, T-network and -network. The thesis also include derivation of torque characteristic. The practical part is devoted to measuring of asynchronous motor AOM090L02-16 to identify parameters of equivalent circuit. The identification of the parameters is performed by two different methods of identification. The methods are compared by use in formula of torque characteristic. The last part is dedicated to comparison of usefulness of individual equivalent circuits.
Parameter analysis of induction motor equivalent circuits
Minks, Ondřej ; Běloušek, Radim (referee) ; Mach, Martin (advisor)
This work deals with the determination of the parameters of induction motor equivalent circuits in T-network, gamma-network and inverted gamma-network form from no-load test and discovering voltage dependence of these parameters. For each of these circuits are determined dependencies of the torque and the stator current on the slip. Using the MATLAB simulations, the theoretically derived dependencies are compared with real, which are measured on the motor with the squirrel-cage rotor with power 0,6 kW, 2p = 2, both in operating and in whole motor area.
Parameters identification of the asynchronous machine substituting circuit
Běloušek, Radim ; Cipín, Radoslav (referee) ; Patočka, Miroslav (advisor)
Mathematical model and substituting circuit both include several parameters, which is important to determine for a control. This work is target on identification of parameters of substitute circuit of the asynchronous machine in -network form. The work is divided into several main units. In the first of them are shown the methods of identification of asynchronous machine on the selected machine. The measuring of torque characteristic by classical way with dynamometer and by dynamically with fly-wheels is shown in the next part of this work. The final part of this work is devoted to interpretation and comparison of achieved results.
Algorithms for the Control of the Induction Motor
Hundák, Vladimír ; Běloušek, Radim (referee) ; Patočka, Miroslav (advisor)
Hlavným cieľom tejto práce je vytvorenie simulácií rôznych algoritmov riadenia asynchrónneho motora a vzájomné porovnanie ich vlastností. Zaoberá sa taktiež možnosťami konfigurácie náhradného zapojenia na T-článok, -článok a -článok. Obsahuje jednak teoretický rozbor, a taktiež aj simulácie jednotlivých spôsobov riadenia spolu s podrobným návodom na ich realizáciu. Celkovo budú vykonané 3 simulácie – simulácia vektorového riadenia s orientáciou na rotorový tok, vektorového riadenia s orientáciou na statorový tok a simulácia takzvaného prirodzeného riadenia. Ide o úplne nový typ riadenia, ktorého autorom je vedúci tejto diplomovej práce. Jeho simulácia bola vôbec prvým pokusom o funkčnú realizáciu tohto typu riadenia.

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