Temat: method parameters - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Modeling of frequency response of transformer winding with axial deformations
Autorzy:: Gawrylczyk, K. M.
Banaszak, S.
Powiązania:: https://bibliotekanauki.pl/articles/140733.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: transformer
winding
frequency response analysis (FRA)
lumped parameters method
transmission line method
Opis:: One of important methods used for diagnostics of a transformer’s active part is Frequency Response Analysis (FRA). It allows to determine the mechanical condition of windings, their displacements, deformations and electric faults, as well as some problems with internal leads and connections, core and bushings. Still pending problem is interpretation of measurements results. One of approaches is application of computer modeling to simulate various failure modes and connected with them changes in FRA response. The paper presents two types of models, one based on lumped parameters with RLC elements, and one based on distributed parameters with TLM method. Both methods give similar results, comparable to real measurements of simulated coil.
Źródło:: Archives of Electrical Engineering; 2014, 63, 1; 5-17
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: The influence of the stator geometry on magnetic bearing parameters
Autorzy:: Tomczuk, B.
Wajnert, D.
Powiązania:: https://bibliotekanauki.pl/articles/141529.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: parameters of active magnetic bearing
FEM method
Opis:: This paper presents an analysis of the stator teeth geometry impact on the parameters of the 8-pole radial magnetic bearing. In this paper, such parameters as current gain and position stiffness have been analysed. Additionally, we have proposed criteria for evaluating the characteristics of these parameters by calculating the variability of current gain and position stiffness. The research has been performed by solving the magnetic bearing actuator boundary problem using the finite element method. Magnetic force has been calculated using the Maxwell stress tensor method. Other parameters, such as current gain and position stiffness have been calculated as partial derivate of the force with respect to control current and position of the rotor.
Źródło:: Archives of Electrical Engineering; 2013, 62, 2; 209-215
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: A coupled field-circuit model of a 5-phase permanent magnet tubular linear motor
Autorzy:: Tomczuk, B.
Waindok, A.
Powiązania:: https://bibliotekanauki.pl/articles/141318.pdf
Data publikacji:: 2011
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: silnik synchroniczny liniowy
magnes trwały
PMLSM
metoda polowo-obwodowa
symulacja
parametry sterowania
permanent magnet linear synchronous motors
field-circuit method
simulation of the transients
control parameters
Opis:: A method for modeling of the dynamics characteristics for a 5-phase permanent magnet tubular linear motor (PMTLM) is presented. Its electromagnetic nonlinear field analysis with finite element method (FEM) has been coupled with the circuit model. The calculation model includes the equations for electrical circuits and mechanical quantities as well. They have been obtained using Lagrange's method. The calculated and measured waves of the mover position have been compared for several values of the excitation current. This comparison yields a good agreement. Presented calculation model is very useful in designing and optimization of the PMTLM and in the calculation of the parameters for the control algorithms intended for such a type of actuators.
Źródło:: Archives of Electrical Engineering; 2011, 60, 1; 5-14
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

Artykuł

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