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Search results for: electromagnetic
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Year: 2010, Volume: 10, Issue: 4
... of tubular linear reluctance motor are described. The effect of structure parameters on magnetic flux density is where the inductance of the excited winding is maximized also discussed. Electromagnetic finite-element analysis is used or reluctance to the flow of magnetic flux is decreased. for simulation of magnetic field, and simulation results of the The resistance to ...
Year: 2010, Volume: 10, Issue: 4
... Our attention has been focused on optical Fig. 1. The diagram of the LED – photoresistor PO sensor. sensors, since direct photoelectrical conversions aren't influenced by electromagnetic perturbations [4]. This sensor can be designed in two ways: PO sensor PO Sensor is an optocoupler, where a system of two with distance ...
Year: 2010, Volume: 10, Issue: 4
... method for positioning an antenna system, based on these filters, where embedded control systems in rockets, air navigation, and the filter is applied in detection of electromagnetic field extremal control of rapid technological processes. gradient. Control algorithm is based on improved method of This paper is organized as follows. In Section 2 we ...
Year: 2010, Volume: 10, Issue: 3
... kr=, Ts=', Tr='. Ls Lr Rs Rr torque control is not made, the motors will start-up or shut- Equation of electromagnetic torque of induction machine down much earlier than set, especially at reduced start-up expressed in base quantities is: loads. In fig. 2b is presented the ...
Year: 2010, Volume: 10, Issue: 3
... S. Kumer, S. Krishan, [12] K. Al-Anbarri, R. Ramanujam, T. Keerthiga, K. Kuppusamy,Analysis Failure of electromagnetic voltage transformer due to sustained of nonlinear phenomena in MOV connected Transformers, IEE overvoltage on switching*/an in-depth field investigation and Proceedings*/Generation Transmission ...
Year: 2010, Volume: 10, Issue: 2
... ] E. Della Torre, Magnetic Hysteresis, IEEE Press, New York, 1999 proposed modelling program approximates in a satisfactory [3] A. Nicolaide, Electromagnetics, Transilvania University Press, Brasov, Romania, 2002. way the measured hysteresis cycle. The model was tested on [4] S. Motoasca, ...
167. Induction Machine with Improved Operating Performances for Electric Trucks. A FEM-Based Analysis
Year: 2010, Volume: 10, Issue: 2
... calculus of the rated quantities for a machine with p=4 (symbol-IM4) but with the geometrical dimensions calculated for IM8. The purpose was to obtain acceptable electromagnetic loads. The Figure 2. Geometrical dimensions, slot detail. following values have been obtained: PN=270 kW, UN=600 The solution adopted ...
Year: 2010, Volume: 10, Issue: 2
... on the phase will diminish the force ripple, reducing magnetic circuit geometries. simultaneously the actuator vibration. In the rotational configuration the actuator presents salient Index Terms — Electromagnetic Analysis, Linear Motors, poles both in stator and rotor. On the contrary of the rotor, Numerical Analysis, Reluctance Machines, Simulation that has no ...
Year: 2010, Volume: 10, Issue: 2
... towers and the currents in every span of the respectively for the evaluation of the faulted tower's voltage ground conductor. Furthermore, the influence of the rise. In electromagnetic interference problems, the best way coupling factor between the faulted phase and the ground to investigate the soil's behavior as conducting media is to wire on the ground ...
Year: 2010, Volume: 10, Issue: 3
... sq ψ2 sq parameters identification and accuracy of the estimations, Te= p isx+ isy sd isx+ isy 2 ψs ψs ψs ψs the estimation of the electromagnetic torque is essential for the entire system performance. For flux estimation, the 3 voltage model is preferred in this study. Te= p ψ s isy ...
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