نتایج جستجو برای: electric filter

تعداد نتایج: 264409  

2010
Adel M. Sharaf Adel A. A. Elgammal

The paper presents a novel self adjusting wind energy utilization scheme using a modified single phase operation of the three phase induction generator. The proposed scheme is supplemented by a voltage stabilization switched filter compensation schemes which is controlled by a dynamic Multi Objective Genetic Algorithm MOGA error driven self adjusting PID controller. The Green Plug Filter Compen...

2011
Hirdyesh Mishra Yongxia Zhang Chris D. Geddes

Metal-enhanced fluorescence (MEF) studies of the optical brightener Tinopal-CBS (4,40distyrylbiphenyl sulfonic sodium salt) have been undertaken using steady-state and time resolved fluorescence measurements on silver island films (SiFs) deposited on glass slides and silver nano-particles adsorbed onto cellulose based filter paper. Nearly a 4.5 fold enhancement in fluorescence intensity is obse...

2013
Raphaël Coupat Marc Meslay Marc-Axel Burette Bernard Riera Alexandre Philippot David Annebicque

This paper presents an original approach to standardize the work of electric traction of railway transportation. This approach is developed within an industrial thesis, financed by the SNCF (French acronym for National Society of French Railways) in association with the CReSTIC (Research Centre in Information and Communication Science and Technologies). This approach is composed of two axes. Th...

2016
Xiaopeng Tang Boyang Liu Furong Gao

A battery’s state-of-charge (SOC) can be used to estimate the mileage an electric vehicle (EV) can travel. It is desirable to make such an estimation not only accurate, but also economical in computation, so that the battery management system (BMS) can be cost-effective in its implementation. Existing computationally-efficient SOC estimation algorithms, such as the Luenberger observer, suffer f...

2014
Javier A. Oliva Torsten Bertram

Prognostic approaches based on particle filtering employ physical models in order to estimate the remaining useful life (RUL) of systems. To this aim a set of particles is used to first estimate the degradation state of the system and then to predict the distribution of the RUL through simulation. The computational complexity of this approach is a function of the number of particles used in the...

2002
S. Chandrasekaran S. A. Ragon D. K. Lindner Z. Gürdal D. Boroyevich Zafer Gürdal

A mathematical optimization problem is formulated to design several components of an electrical power distribution system for next generation aircraft. A simple interconnected system consisting of an input filter and a DC-DC buck converter is used as the prototype for the optimization demonstration. The components are designed for minimum weight subject to performance, stability, and peak volta...

Journal: :JCP 2012
Xiangzheng Xu

Because of using the nonlinear high-power, single-phase, multi-step full wave or bridge rectifier electric locomotive in electrified railway, the electrified railway traction power supply system has serious power quality problems, which affect safe operation of the electrified railway and impact the local power grid adversely. Aiming at the electrified railway power quality problems, a homogeni...

2013
Esa Aleksi Paaso Yuan Liao

Load forecasting allows for the utilities to plan their operations to serve their customers with more reliable and economical electric power. With the developments in computer and information technology new techniques to accurately forecast power system loading are emerging. This research culminates in development of modified algorithms for short-term load forecasting (STLF) of a utility grade ...

2013
Kaida Xu Yonghong Zhang Daotong Li Yong Fan Joshua Le-Wei Li William T. Joines Qing Huo Liu

A novel compact planar triple-band bandpass filter using two sets of short stub-loaded stepped impedance resonators (SSLSIRs) and a pair of embedded stepped impedance resonators (ESIRs) has been proposed. The SSLSIRs can adjust the bandwidths of the corresponding passbands over a wide range, and the ESIRs employing non 0◦-feed coupled structure with mixed electric and magnetic coupling can obta...

Journal: :IEEE Trans. Industrial Electronics 1999
Bhim Singh Kamal Al-Haddad Ambrish Chandra

Active filtering of electric power has now become a mature technology for harmonic and reactive power compensation in two-wire (single phase), three-wire (three phase without neutral), and four-wire (three phase with neutral) ac power networks with nonlinear loads. This paper presents a comprehensive review of active filter (AF) configurations, control strategies, selection of components, other...

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