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Search results for: electromagnetic
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161. Accurate Modeling of a Transverse Flux Permanent Magnet Generator Using 3D Finite Element Analysis
Year: 2011, Volume: 11, Number: 3
... X sd ï€ X sq ï€ Ra I a (6) If in Fig. 3, Vout is considered as the reference vector, I a The internal electromagnetic power of one module of the and its projections on the d- and q-axis as well as E f generator, Pelm, is the sum of the ...
162. Performances of Gopinath Flux Observer Used in Direct Field Oriented Control of Induction Machines
Year: 2011, Volume: 11, Number: 1
... pω r= P (Te TL) (4) "Gopinath Obs", Fig.3 realized with the help of the 2J where Te, TL are the electromagnetic and the load torque. simulator based on the current model. The estimator has also a corrector based on statoric equations and the closed-loop value is the statoric ...
Year: 2014, Volume: 14, Number: 2
... 24] are also used for Rated power 1.5kVA achievement of high power density. As regards the Rated phase voltage – Y connection 220 V excitation system, both electromagnetic type [18] for high Rated current (rectified value) 3.25 A power units and permanent magnets are used. The Number of poles 4 permanent magnets ...
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
... Optical properties [3] E. Wolf, "Unified theory of coherence and polarization of random of urine, blood plasma and pulmonary condensate of the patients with electromagnetic beams ," Phys. Lett. A., Vol. 312, pp. 263-267, 2003. pulmovnary form of tuberculosis," Photoelectronics, vol.16 ...
Year: 2010, Volume: 10, Issue: 4
... can be further extended to study the [18] C.Neagoe, A.Foggia and R.Krishnan, "Impact of pole tapering on thermal, stress and vibration analyses. the electromagnetic force of the switched reluctance motor," in Conf. Rec. IEEE Electric Machines and Drives Conference, 1997, pp. WA1/2.1- WA1 ...
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 ...
168. 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: 2009, Volume: 9, Issue: 3
... Factory Automation,. Proceedings. 20 ETFA '03. IEEE Conference 2: 739-746. 10 [5] Negrea M. D. (2006), "Electromagnetic flux monitoring for detecting 0 faults in electrical machines", Doctoral Dissertation, Helsinki #5 #4 #3 #2 #1 University of Technology Department ...
Year: 2009, Volume: 9, Issue: 3
... Storage", Int. J. mech. Sci., Permanent-Magnet Machines Through Numerical Analysis of the VoL 19, pp. 233-245. Pergamon Press 1977. Electromagnetic Field", IEEE Transaction on Industry Applications, [2] G.E. Rodriguez, P.A. Studer, D.A. Baer, "Assessment of Flywheel VOL ...
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