نتایج جستجو برای: transformer winding

تعداد نتایج: 16464  

2017
H. B. Harrison S. Dimitrijev

This paper presents the results of investigations on three types of high frequency transformers with different magnetic and winding configurations €or the switching resonant mode power supply. The experimental results demonstrate the characteristics of self inductance and voltage ratio versus frequency. The magnetic flux and eddycurrent distributions of Pot core, Planar core and Multi-element c...

Journal: :Journal of Electrical Systems and Information Technology 2017

Journal: :IOP Conference Series: Materials Science and Engineering 2021

Abstract Mechanical shift of windings is serious problem power transformers which belong to the very significant components engineering system. displacements and following insulation failure due short circuit inrush currents can lead an emergency situation. That’s why effective control technology relevant task a current engineering. A new approach winding state described in paper. The based on ...

Journal: :International Journal of Smart Grid and Clean Energy 2013

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی برق و کامپیوتر 1391

power transformers are important equipments in power systems. thus there is a large number of researches devoted of power transformers. however, there is still a demand for future investigations, especially in the field of diagnosis of transformer failures. in order to fulfill the demand, the first part reports a study case in which four main types of failures on the active part are investigate...

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