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EN
In present time the increasing use of electrical linear tubular motors, both induction and synchronous types takes place. With the growing interest in that motor based drives the research activity on the improvement of their construction continues to increase. Based on the results of analysis the influence of linear tubular induction motor parameters on the basic mechanic and energy performances is shown. It is proved the proper selection of the motor dimensions has a significant impact on its performances. In the paper the results of computer simulation of thermal phenomena in the inductor area are represented as well.
EN
The paper presents the construction of the coreless permanent magnet tubular linear motor. Detailed design and the manufacture technology of the complete physical model are described. The parametric field model of the machine is showed as well as the results of the calculation of the back-EMF and the force affecting the mover (moving part). The machine with the constant speed of the mover is analyzed in three cases: without power supply, with direct current source and sinewave voltage source. Simulation results are compared with measurements taken from the physical model. Additionally, an influence of a stator container tube length on cogging force characteristics was investigated, leading to a calculation of an optimal length, where the cogging force is minimal.
PL
Przeprowadzono symulacje komputerowe pola magnetycznego w silniku oscylacyjnym liniowym. Wykorzystując różne metody obliczono parametry całkowe tego pola. Podano wartości indukcyjności statycznej i dynamicznej, jak również siłę magnetyczną działającą na biegnik. Obliczono także pochodną strumienia skojarzonego podług przesunięcia biegnika. Wartości całkowe pola symulowano dla różnych krzywych magnesowania żelaznego rdzenia.
EN
Computer simulations of the magnetic field inthe linear oscillating motor were caried out. Integral parametersof the field have been determined with using different methods. The values of the static- and dynamic inductance as well as the magnetic force acting on the rotor are given. The differential change in the flux linkage with a differential change in the rotor movement is also calculated. The integral values of the field were simulated for different B/H curves of the iron core.
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