نتایج جستجو برای: Demand response problems
تعداد نتایج: 1656191 فیلتر نتایج به سال:
power transformers are important equipments in power systems. thus there is a large number of researches devoted of power transformers. however, there is still a demand for future investigations, especially in the field of diagnosis of transformer failures. in order to fulfill the demand, the first part reports a study case in which four main types of failures on the active part are investigate...
reaching an electricity system which is both economically efficient and environmentally friendly is motivating countries to design and execute different types of tou demand response programs. but there are certain deficiencies which prevent these programs to effectively modify the load shape. smart grid as a means could help the electricity system to reach the highest demand side management ...
this paper proposes an optimal power flow (opf) algorithm by direct load control (dlc) programs to optimize the operational cost of smart grids considering various scenarios based on different constraints. the cost function includes active power production cost of available power sources and a novel flexible load curtailment cost associated with dlc programs. the load curtailment cost is based ...
applications such as high definition viedeo reproduction, portable computers, wireless, and multimedia demand, and ever-increasing need for ligh-frequency high-resolution and low-power analog-to-digital converters. flash, two-step flash, and pipeline convertors are fast but consume large amount of power and require large area. to overcome these problems, successive approximation converter blo...
with the development of deregulated power systems and increase of prices in some hours of day and increase fuel price, demand response programs were noticed more by customers. demand response consists of a series of activities that governments or utilities design to change the amount or time of electric energy consumption, to achieve better social welfare or some times for maximizing the benefi...
چکیده: در سالیان اخیر روش های مختلفی برای مدیریت بار مصرف کننده و همچنین مدل سازی آنها ارائه شده است. اما روش های پیشنهاد شده اغلب برای کنترل بار در زمان مصرف است. با توجه به پیشرفت سریع شبکه های هوشمند و همچنین هزینه های بسیار زیاد مجهز نمودن این شبکه به دنبال ارائه روشی هستیم تا برنامه مدیریت مصرف با صرف هزینه کمتری و با حفظ پتانسیل تعریف شده برای شبکه هوشمند اهداف مورد نظر مصرف کننده و بهره...
In this paper, demand response modeled with unit commitment in a nonlinear optimization problem, for increasing system security and economic reasons. By incorporating the demand response in the market it should decrease cost reduction, market clearing problems, congested lines and make a flat load profile at peak hours. In this problem, loads are combined of fixed and responsive loads. When thi...
with the development of restructured power systems and increase of prices in some hours of day and increase fuel price, demand response programs were noticed more by customers. demand response consists of a series of activities that governments or utilities design to change the amount or time of electric energy consumption, to achieve better social welfare or some times for maximizing the benef...
Increased electric energy consumption in recent years, associated economic problems, reduced reliability and increased power losses in electric networks. One of the main solutions in smart grids to overcome the mentioned problems is demand response programs. In demand response programs, operators apply time-varying tariffs to consumers, and convince them to change their consumption pattern. Amo...
With the development of restructured power systems and increase of prices in some hours of day and increase fuel price, demand response programs were noticed more by customers. demand response consists of a series of activities that governments or utilities design to change the amount or time of electric energy consumption, to achieve better social welfare or some times for maximizing the benef...
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