نتایج جستجو برای: power model

تعداد نتایج: 2493468  

Ahmad Makui Ashkan Hafezalkotob Meysam Ghaffari

This paper investigates three models to implement Tradable Green Certificates (TGC) system with aid of game theory approach. In particular, the competition between thermal and renewable power plants is formulated in three models: namely cooperative, Nash and Stackelberg game models. The price of TGC is assumed to be determined by the legislative body (government) which is fixed. Numerical examp...

2013
Lei Qiao

This paper describes the characteristics and optimal methods for the planning of stand-alone microgrid system, in order to improve the power supply reliability, increase the coefficient of utilization of renewable energy and reduce the cost of investment and operation. Next, the problems in the optimal planning for a stand-alone microgrid system are summarized, including the unique operational ...

Journal: :journal of agricultural science and technology 2011
h. hamzehzarghani s. a. kazemeini

the performance of different yield loss models from an exponential family was evaluated in safflower-redroot pigweed systems in two field experiments conducted during 2007 and 2008 growing seasons at the research field of agricultural college of shiraz university, iran. the yield loss of safflower was recorded as relative yield loss in experimental plots laid out in split plot design with three...

Journal: :مهندسی قدرت ایران 0
m shahnazari iran university of science and technology , iran abolfazl vahedi iran university of science and technology (iust), iran

accurate modeling of the wind energy conversion system is necessary to design and implementation of the control loop for the generator and the frequency converter, in order to extract maximum power from the wind and to investigate the effects of interconnection between wind farms and power system. in this paper the combination of a permanent magnet synchronous generator loaded with a diode rect...

اکبری ازیرانی, اصغر, مذهب جعفری, علی ,

In this paper Multi conductor transmission line model (MTLM) was used for partial discharge (PD) localization in power transformers’ windings. The parameters of the model were computed considering practical issues of power transformer design. To decrease computational complexity of the model, two methods for calculation of model parameters were studied and the most suitable method was cho...

2010
L. CARLITZ

where the denominators of the bn are powers of 2. If we substitute from (3) into (1) we get a certain set of congruences; if we substitute from (4) we get another set. By Lemma 1 of [l ] these congruences are equivalent. We now show how the second substitution can be carried out explicitly. We recall that the complete elliptic integral of the first kind is given by TT / 1 1 \ K = — F[ —, —; l;k...

Journal: :South African Journal of Business Management 1980

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