A miniature ultrasonic surgical device based on a flextensional configuration with a pre-stressed piezoelectric stack. [PDF]
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Analyzing and reducing common mode noise in high power inductive power transfer systems for electric vehicles using precise balance technique. [PDF]
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Calculation of Leakage Inductance for High-Frequency Transformers
IEEE Transactions on Power Electronics, 2015Frequency-dependent leakage inductance is often observed. The high-frequency eddy current effects cause a reduction in leakage inductance. The proximity effect between adjacent layers is responsible for the reduction of leakage inductance. This paper gives a detailed analysis of high-frequency leakage inductance and proposes an accurate prediction ...
Ziwei Ouyang, William Gérard Hurley
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An improved estimation of the induction machine leakage inductances
IEEE Transactions on Industrial Electronics, 1999An alternative method for the determination of the induction machine leakage inductances is proposed. The stator transient inductance is the only parameter needed, besides the nameplate data. Results show the accuracy of the technique.
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Pulse transformer leakage inductances computation
2008 18th International Conference on Electrical Machines, 2008This paper describes a semi-analytical modeling of an industrial electrical system operating in a pulse mode. It focuses principally on the transformer leakage inductances computation. First, the implemented analytical model is presented. It takes into account nonlinear elements behaviors, such as transformers, as well as other elements that behavior ...
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A Transformer with Adjustable Leakage Inductance
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation, 2006The leakage inductance of the transformer employed in a series resonant converter can be used for resonance to make the device more compact. The value of this inductance should be controllable and sufficient large. In this paper the novel structure of a transformer with adjustable leakage inductance is proposed and the design methodology is presented ...
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The influence of cooling ducts on the leakage inductances of induction machines
IET 7th International Conference on Computation in Electromagnetics (CEM 2008), 2008In this paper the influence of the cooling ducts on the leakage inductances, and therefore on the breakdown torque, in induction machines is discussed. This effect is typically a three-dimensional one, and one has to analyse numerous geometrical variants.
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Modeling of magnetizing inductance and leakage inductance in a matrix transformer
IEEE Transactions on Power Electronics, 1993Winding and core geometries are described for a matrix transformer constructed from integrated core and z-folded flex circuits. The magnetizing inductance is derived using the reluctance method and exploiting structural periodicity and symmetry. The internal leakage inductance is computed from the magnetic field distribution, and the interconnect ...
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