نتایج جستجو برای: demand response
تعداد نتایج: 1109927 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...
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 ...
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...
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...
Significant decline in the slope of short-term oil supply and demand curves, along with the meaningful change in the degree of risk aversion in arbitrageurs encouraged us to test the time-varying effects of speculative demand on crude oil price dynamics over the period 1985-2016. Using a time-varying parameter vector autoregressive (TVP-VAR) model – with structural shocks identified by Killian ...
in this present study the dissolved air flotation (daf) system was investigated for the treatment of kermanshah oil refinery wastewater. the effect of three parameters on flotation efficiency including of flow rate (outflow from the flotation tank), saturation pressure and coagulant dosage on chemical oxygen demand (cod) removal was examined experimentally. all the experiments were done under a...
In this paper, a model for hybrid transmission expansion planning (TEP) and reactive power planning (RPP) considering demand response (DR) model has been presented. In this study RPP considered by TEP for its effects on lines capacity and reduction of system expansion costs. On the other hand the expansion of the transmission system is an important subject, especially dealing with the new i...
در این پژوهش، برنامه های پاسخگویی بار (demand response) که در اکثر بازارهای برق جهان اجرا می-شوند مورد بررسی قرار می گیرند، این برنامه های نه گانه به دو گروه عمده تشویق محور و زمان محور و همچنین برنامه های تشویق محور به سه زیرگروه تشویق محور داوطلبانه (فاقد جریمه)، تشویق محور اجباری (مبتنی بر جریمه) و تشویق محور مبتنی بر تسویه بازار تقسیم شده اند. در این پژوهش، مدل غیر خطی برنامه پاسخ تقاضای ا...
In smart grids paradigm, versatile demand response programs have been devised to accommodate the load flexibilities in optimal scheduling of distribution networks and increasing the techno-economic efficiency of electrification process. The initial models for prioritizing the demand response programs are mainly valid for the case of constant and deterministic load profiles. These models are tac...
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