نتایج جستجو برای: electric power factor
تعداد نتایج: 1412942 فیلتر نتایج به سال:
چکیده ندارد.
Most of modern controlled electric drive applications, such as lifts, cranes, and tooling machines, are characterized by a high ratio of the peak to average power. In addition, such applications have high demand for braking at the full rated power. In ordinary drives, the braking energy, which represents 30%–50% of the consumed energy, is dissipated on a brake resistor. Apart from this ―energet...
In recent years, the popularity of wireless inductive power transfer (WIPT) system for electric vehicle battery charging (EVBC) is always ever-increasing. In the WIPT inductively coupled coil structure is the heart of the system and the mutual inductance (MI) between the coupled coils is the key factor for effective power transfer. This paper presents the analysis of mutual inductance between t...
چکیده ندارد.
امروزه با گسترش روز افزون دستگاههای الکترونیکی تعداد یکسوسازهای متصل به شبکه روز به روز افزایش می یابد. و از آنجا که این یکسوسازها به عنوان یک بار غیر خطی محسوب می شوند باعث تولید فرکانسهایی به غیر فرکانس شبکه شده و شکل جریان را از حالت سینوسی خارج می کنند. این فرکانسهای تولیدی ناخواسته باعث مشکلاتی همچون گرم شدن ترانسها و موتورها، افزایش جریان خازنهای موازی، افزایش جریان سیم نول در سیستمهای سه...
Recently, Inner permanent magnet (IPM) synchronous machines have been introduced as a possible traction motor in hybrid electric vehicle (HEV) and traction applications due to their unique merits. In order to achieve maximum torque per ampere (MTPA), optimization of the motor geometry parameters is necessary. This paper Presents a design method to achieve minimum volume, MTPA and minimum ...
Flexible AC Transmission Systems (FACTS) devices have shown satisfactory performance in alleviating the problems of electrical transmission systems. Optimal FACTS allocation problem, which includes finding optimal type and location of these devices, have been widely studied by researchers for improving variety of power system technical parameters. In this paper, a DIgSILENT-based Discrete Parti...
reactor core for nuclear power plant (1293 mwe) is of pressurized water reactor (pwr) type , with net electric output of 1200 mwe. the reactor is designed by a german company kwu (krafts werk :union:). in order to introduce the methods of calculation of the reactor core parameters to the students at the institute of nuclear science and technology, and in addition to provide them with the basic ...
Abstract Because electric vehicles have many advantages such as low carbon, environmental protection, and cost compared with fuel vehicles, developed rapidly in recent years, which will lead to large-scale impact load. In this paper, the vehicle is regarded an energy storage device, a multi-energy VPP thermal scheduling model including established, strategy for participate power system proposed...
The Capacity Factor of Renewable Energy Power Plants During Electric Power Peak Times in Jeju Island
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