نتایج جستجو برای: switching power

تعداد نتایج: 549143  

2010
Herminio Martínez Jose Silva-Martínez Eduard Alarcón Alberto Poveda

This paper proposes the use of linear-assisted switching power converters in the context of single-inductor dual-output (SIDO) applications. By combining a DC/DC ripplecontrolled switching power converter with the respective voltage linear regulators at each output, improved performance in terms of load and line regulations is obtained. To achieve that aim, a current-steering switching policy i...

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 1987

2007
Jaroslav Dudrik Juraj Oetter

The paper presents soft switching PWM DC-DC converters using power MOSFETs and IGBTs. The attention is focused mainly on the full-bridge converters suitable for high power applications. The properties of the PWM converters are described in comparison to other categories of soft switching converters. An overview of the switching techniques using in the DC-DC converters is included. Consideration...

In this paper, a new method has been presented for differential protection of power transformers.  In this approach, chaotic method has been used for distinguishing of inrush current from internal fault current of the transformer. The proposed algorithm has been designed based on analysis of harmonic components of the differential current of the transformer due to internal faults and inrus...

Journal: :Intelligent Automation & Soft Computing 2009
M. J. Zeini J. M. Eghtesad M. Yaghoubi

In this paper, fuzzy switching control of the complete oil cycle of Shiraz solar power plant is presented. So far, in the literature, only modeling and control of the collectors’ field of a solar power plant, which is a part of the complete oil cycle, have been studied. According to various environmental conditions, input disturbances and design constraints in some components, changes of the oi...

In this paper, we proposed an all optical 4-to-2 encoder that has 4 input and 3 output ports. This device generates a 2 bit binary code based on which input port is active. We used nonlinear photonic crystal ring resonators along with optical power splitter for realizing the proposed encoder. In this device the switching rate and area are obtained about 333 GHz and 612µm2 respectively.

2015
Laura Biagi Maria Giuseppina Bisogni Niccolo Camarlinghi Mauro Costagli Giancarlo Sportelli Michela Tosetti Alberto Del Guerra Nicola Belcari

IRCCS Fondazione Stella Maris and Fondazione Imago 7, Calambrone, Pisa, Italy We present a feasibility study that has been carried out to determine the best power regulation strategy for the PET front-end electronics of the trimodal PET/MRI/EEG TRIMAGE scanner. Conventional power regulation strategies cannot be applied to PET/MRI because standard switching regulators stop working in presence of...

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