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Search results for: electromagnetic
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Year: 2012, Volume: 12, Number: 1
... ) in the case of the study of recommended for its extension to free space electromagnetic the scattering of an electromagnetic plane wave by two metallic diffraction studies. The ... of competing computational reflected one B, defined from the tangent electric field E, electromagnetics approaches is based on the use of iterative and the incident magnetic tangent field ...
Year: 2011, Volume: 11, Number: 4
... Suceava, 720229, Romania amunteanu@ee.tuiasi.ro 1 Rotor with Abstract €” The paper presents a simulation study of a Permanent hybrid synchronous generator (dual excitation system- electromagnetic magnets excitation permanent magnets and electromagnets) with skewed stator slots. The main goal is to establish if the skewing of the slots brings a significant improvement of ...
143. Accurate Modeling of a Transverse Flux Permanent Magnet Generator Using 3D Finite Element Analysis
Year: 2011, Volume: 11, Number: 3
... X sd € X sq € 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 ...
Year: 2011, Volume: 11, Number: 4
... using wedges made of soft energy that the rotor armature tends to align to. magnetic composite materials. The second solution consists in The cogging torque superposes over the electromagnetic properly choosing the combination of pole number and stator torque and generates vibrations and stress at the machine slots number that typically leads to a winding with fractional bearings ...
Year: 2011, Volume: 11, Number: 2
... and Usually, such a combination must be avoided. Fig. 8 put practically in view the distinction between the Very interesting remarks for our analysis come from load electromagnetic torque (obtained by means of FEM-based torque versus input power characteristics, Fig. 10. The simulation) and output torque (resulted from experimental electric drives ...
Year: 2011, Volume: 11, Number: 2
... Q. Yu and T. W. Holmes, "A Study on stray capacitance modeling of inductors by using the Finite Element method", IEEE Trans. Electromagnetic Compatibility, vol. 43, no. 1, pp.88-93, Feb. 2001. [7] A. Massarini, M. K. Kazimierczuk, ...
Year: 2011, Volume: 11, Number: 2
... much power in the microwave pulse I. INTRODUCTION can produce irreversible damages (burns) to the tissues. Microwave pulses are inducing into the tissue biomolecular Microwaves are electromagnetic radiations in the dipolar displacement, free charge current or/and higher frequency range of 300MHz and 300GHz, named also resonant absorption than continuous microwave radiation. ...
Year: 2011, Volume: 11, Number: 2
... of this wavelet transformation for the one- where 0, 0 are the azimuth and ellipticity of an dimensional distribution of polarization parameters is a two- electromagnetic wave. dimensional array of the coefficients W (a, b) that are Taking into account the expressions (2) to (5 ), the ...
149. Performances of Gopinath Flux Observer Used in Direct Field Oriented Control of Induction Machines
Year: 2011, Volume: 11, Number: 1
... p‰ 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: 2011, Volume: 11, Number: 1
... "Mathematical Modeling of Current 1998, pp. 700-705. Harmonics Caused by Personal Computers", In Proceedings of the [4] IEC 61000-3-2 Standard, "Electromagnetic compatibility (EMC)- World Academy of Science Engineering and Technology- WASET, Part 3-2: Limits- Limits for harmonic current emissions (equipment Vol.29, ...
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