نتایج جستجو برای: radial and loop distribution system

تعداد نتایج: 17217192  

2013
PRIYA JHA S. VIDYASAGAR DEEPAK SHARMA

The main objective of the distribution system planning is to determine the substation location, size and its service area, number of feeders and their routes. The planning problem is solved by classical methods to non traditional soft computing techniques, hence in this work, soft computing technique known as Simulated Annealing is used. Simulated Annealing is a thermal process for obtaining lo...

2014
Peyman Mazidi

Distributed Generation (DG) plays an important role in current power systems with high demand growth. DG provides an alternative to the traditional electricity sources like oil, gas, coal, water, etc. and can also be used to enhance the current electrical system. DG distribution is likely to improve the reliability of a power distribution system by at least partially minimizing unplanned power ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران - دانشکده حقوق و علوم سیاسی 1387

چکیده ندارد.

Assuming arbitrary boundary and initial conditions, a transient thermo-elastic analysis of a rotating thick cylindrical pressure vessel made of functionally graded material (FGM) subjected to axisymmetric mechanical and transient thermal loads is presented. Time-dependent thermal and mechanical boundary conditions are assumed to act on the boundaries of the vessel. Material properties of the ve...

Journal: :the modares journal of electrical engineering 2015
mahdy rezaei darestani amirali nikkhah ali khakisedigh

to enhance the closed loop performance in presence of disturbance, uncertainties and delay a double loop mixture of mpc and robust controller is proposed. this double loop controller ensures smooth tracking for a 3-axis gyro-stabilized platform which has delay intrinsically. this control idea is suggested to eliminate high frequency disturbances and minimize steady state error with minimum powe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی برق و کامپیوتر 1391

many mobile and off-grid devices include electronics and other electrical consumers like servo drives, which need a quite low supply power. since the price for photovoltaic modules drops continuously, photovoltaic power supply is interesting in more and more applications. in solar powered systems, a battery is needed to store energy for the night and cloudy periods. the power electronics of suc...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده علوم 1389

this research concentrates on the lithostratigraphy, biostratigraphy, microfacies and sedimentary environment of the asmari and gachsaran formations at southwest firuzabad. the thickness of the studied section in all 608.95 meters that 220.8 meters belong to the asmari formation and 387.95 meters belong to the gachsaran formation (champe and mol members). in the study area, the asmari formation...

2013
C. Bhargava P. S. R Murty P. Sreevani

This paper presents a two-stage restoration technique incorporating weather effect considerations in reliability cost/worth evaluation of distribution systems. The weather conditions play a significant role on the reliability of a given power system leading to frequent incidence of failures to overhead system and their effectiveness. The physical stresses exerted by adverse weather increase the...

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