نتایج جستجو برای: hysteresis loss

تعداد نتایج: 458340  

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 1994

Journal: :The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science 1903

رضائی زارع, افشین , صنایع پسند, مجید , فرهنگی, شاهرخ , محسنی, حسین ,

Based on the Preisach theory in hysteresis, this paper presents a novel transformer core model. Unlike existing mathematical-based hysteresis models, the proposed model is based on a physically correct hysteresis model and can precisely represent the actual behaviors of magnetic materials. In addition, the experimental results of a ferroresonance test of a Voltage Transformer (VT) are presented...

Journal: :Journal of Monetary Economics 2021

Abstract We derive a fully quadratic approximation to welfare under endogenous growth and study optimal monetary policy. Away from the ZLB, commitment policy sets interest rates eliminate output hysteresis. A strict inflation targeting rule implements At is sub-optimal admits hysteresis, defined as permanent loss in potential output. new that targets hysteresis returns pre-shock trend approxima...

2012
P. E. Allaire

The rotor power losses in magnetic bearings are due to eddy currents, hysteresis, and windage. The influence of air gap magnetic flux density and air gap thickness is not well understood at this time. This paper presents measured results in two magnetic bearing radial configurations with a laminated rotor. The rotor power losses were evaluated by measuring the rundown speed of the rotor, in air...

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