نتایج جستجو برای: dg impact

تعداد نتایج: 769547  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بوعلی سینا - پژوهشکده فنی و مهندسی 1389

سیستم های توزیع معمولا از فیدرهای توزیع شده شعاعی که توسط یک پست تغذیه می گردد تشکیل شده است پیوستن منابع تولید پراکنده به شبکه های توزیع تاثیر مثبت بسزایی در کاهش تلفات و بهبود پروفایل ولتاژ سیستم توزیع دارد .در نتیجه مزایایی که این نوع تکنولوژی ها داشتند ،شرکت های برق شروع به تغییر در زیر ساختهای برق نمودند و مکان ، اندازه و تعداد این نوع dg ها را متناسب با ساختار شبکه مورد ارزیابی قراردادند....

2013
Laure Belnoue Noelle Grosjean Elodie Ladevèze Djoher Nora Abrous Muriel Koehl

The dentate gyrus (DG) and the olfactory bulb (OB) are two regions of the adult brain in which new neurons are integrated daily in the existing networks. It is clearly established that these newborn neurons are implicated in specific functions sustained by these regions and that different factors can influence neurogenesis in both structures. Among these, life events, particularly occurring dur...

Increasing demand for electricity and consequently running out of fossil fuel resources and negative impact of fossil fuels on the environment has led to the need for finding renewable energy sources. Iran has high potentiality in exploiting  wind energy because of its topology and various climatic conditions. For this purpose, optimal places for installing these facilities should be determined...

2009
B. Cheng S. Roy A. R. Brown C. Millar A. Asenov

0038-1101/$ see front matter 2009 Elsevier Ltd. A doi:10.1016/j.sse.2009.03.008 * Corresponding author. E-mail addresses: [email protected] (B. C (S. Roy), [email protected] (A.R. Brown), A.Aseno The quantitative evaluation of the impact of key sources of static and dynamic statistical variability (SV) are presented for LSTP nMOSFETs corresponding to 32 nm and 22 nm technology generat...

2007
A. R. Di Fazio G. Fusco M. Russo

The installation of Distributed Generation (DG) can have a significant impact on distribution system voltage regulation. The effects vary according to the DG device: in particular, synchronous generators present voltage control systems which interfere with the voltage regulation of the distribution systems. The paper analyzes two voltage control schemes for synchronous generators connected to M...

2013
Ketfi NADHIR Djabali CHABANE Tarek BOUKTIR

In order to minimize the total active power loss and improve the voltage profile of the power system, several solutions have been proposed, including the integration of Distributed Generation (DG) in the radial distribution network. The location and size of DG are important, because a wrong choice has a negative impact on the system behavior. Several researchers have used many methods for solvi...

2014
Zhiguo Zhang Changheng Song Xiaowei Fu Meijie Liu Yan Li Jinghua Pan Hong Liu Shaojun Wang Lihua Xiang Gary Guishan Xiao Dahong Ju

The aim of this study was to evaluate effect of diosgenin (DG) on rats that had osteoporosis-like features induced by ovariectomy (OVX). Seventy-two six-month-old female Wistar rats were subjected to either ovariectomy (n = 60) or Sham operation (SHAM group, n = 12). Beginning at one week post-ovariectomy, the OVX rats were treated with vehicle (OVX group, n = 12), estradiol valerate (EV group,...

2015
Faramarz Faghihi Ahmed A. Moustafa

Information processing in the hippocampus begins by transferring spiking activity of the entorhinal cortex (EC) into the dentate gyrus (DG). Activity pattern in the EC is separated by the DG such that it plays an important role in hippocampal functions including memory. The structural and physiological parameters of these neural networks enable the hippocampus to be efficient in encoding a larg...

Let $mathcal{X}$ be a class of $R$-modules‎. ‎In this paper‎, ‎we investigate ;$mathcal{X}$-injective (projective) and DG-$mathcal{X}$-injective (projective) complexes which are generalizations of injective (projective) and DG-injecti‎‎ve (projective) complexes‎. ‎We prove that some known results can be extended to the class of ;$mathcal{X}$-injective (projective) and DG-$mathcal{X}$-injective ...

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