نتایج جستجو برای: electric power transit

تعداد نتایج: 618876  

Journal: :مهندسی صنایع 0
سید علی ترابی دانشیار دانشکدة مهندسی صنایع دانشگاه تهران محسن شایگان کارشناس ارشد مهندسی صنایع دانشگاه خوارزمی تهران محمد محمدی استادیار گروه مهندسی صنایع دانشگاه خوارزمی تهران

by developing the level of life in societies, the need for new resources of energy becomes more important. in almost all cases, the aim is to convert one form of energy to the electrical form. with advances of technology and use of new electric and electronic devices and gadgets, the need for electrical energy is increasing and providing stable and continuous electric power becomes very importa...

This paper aims to find the efficient state of hybrid electric vehicle (HEV) by simultaneous optimization of the control strategy and the power train. The power transmission employed in this vehicle is a power-split continuously variable transmission (CVT) which uses several fixed ratio mechanisms. After describing this transmission, the rules of electric assist control strategy are introduced....

Journal: :Physics of Plasmas 2023

A phase-locked coaxial transit time oscillator is designed for microwave sources with a small volume and low magnetic field in high-power coherent combining. The achieves controlled output phase through pre-modulation of electron beams. To improve the performance fields, reentrant input cavity used to ensure stability uniformity electric field. Electric buncher extractor also improved. reduce d...

2010
Dev Paul

Currently most modern dc rapid transit systems around the world use running rails or a negative rail as the negative return circuit for the dc traction current. These rails are intentionally kept ungrounded from ground (earth) by using insulating material between the rail and earth to minimize dc stray current. This configuration of return current rail develops varying voltage with respect to g...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده صنایع و سیستمها 1387

فعالیت های نگهداری و تعمیرات اطلاعاتی را تولید می کند که می تواند در تعیین زمان های بیکاری و ارایه یک برنامه زمان بندی شده یا تعیین هشدارهای خرابی به پرسنل نگهداری و تعمیرات کمک کند. وقتی که مقدار داده های تولید شده زیاد باشند، فهم بین متغیرها بسیار مشکل می شوند. این پایان نامه به کاربردی از داده کاوی برای کاوش پایگاه های داده چندبعدی در حوزه نگهداری و تعمیرات، برای پیدا کردن خرابی هایی که موجب...

This paper presents a hierarchical control strategy for heat and electric power control of a building integrating hybrid renewable power sources including photovoltaic, fuel cell and battery energy storage with Plug-in Electric Vehicles (PEV) in smart distribution systems. Because of the controllability of fuel cell power, this power sources plays the main role for providing heat and electric p...

The renewable energy sources and plug-in electric vehicles (PEVs) are becoming very popular because of the combination of high fuel costs and concerns about emission issues. This paper presents modelling and control of a Building Integrated Fuel Cell and Plug-in Electric Vehicles (BIFC-PEV) in smart distribution systems. In BIFC-PEV system, conventional building elements could be replaced by sp...

اسدی, حامد, داورپناه, مهدی , صنایع پسند, مجید ,

In this paper, the behavior of dynamic loads of a power system against voltage disturbances is investigated. Then a real electric grid, Khorasan electric grid in North-East of Iran, is modeled by dynamic model of generators, AVRs, governors, field current limiting systems and electric loads. The paper is continued by introducing a novel method, called VCI, for real time voltage instability dete...

Increasing the demand for electric vehicles, makes the manufactures to concentrate on the research of new energy storage devices, electro motors, and power electronic devices. The main subject in designing an electric motorcycle with four-phase AFPM and its full wave converter is to select suitable energy storage system and add on turbo-acceleration mechanism. Choosing the suitable energy stora...

2017
Melissa L. McGuire Laura M. Burke Steven L. McCarty Kurt J. Hack Ryan J. Whitley Diane C. Davis Cesar Ocampo

This paper captures trajectory analysis of a representative low thrust, high power Solar Electric Propulsion (SEP) vehicle to move a mass around cislunar space in the range of 20 to 40 kW power to the Electric Propulsion (EP) system. These cislunar transfers depart from a selected Near Rectilinear Halo Orbit (NRHO) and target other cislunar orbits. The NRHO cannot be characterized in the classi...

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