نتایج جستجو برای: keywords electricity energy consumption
تعداد نتایج: 2671965 فیلتر نتایج به سال:
existed electricity grids deliver produced power to the consumer passing through transmission and distribution grids. According to high losses of these grids in transmission level and inexistence of bilateral interaction for simultaneous information exchange, a concept of smart grids were made by capabilities such as consciously participation of consumers in the smart electricity grids, an amou...
Energy carriers are one of the most important inputs in the agricultural sector. These inputs have been the foundation of the development and transition of the agricultural sector from the traditional stage to the industrial stage. The energy per capita marginal consumption in Iran’s agricultural sector is 3.2 times greater than its global average. Therefore, it is essential to save and optimal...
Background: Hospitals as major energy consumers can manage their energy consumption by intelligent interventions. Therefore, this study aimed to determine the amount of energy consumption of Water, Electricity, and Gas, and their association with functional indicators in teaching hospitals of Shiraz University of Medical Sciences from 2009 to 2011. Methods: The present study was descriptive ...
Total energy consumption of video game consoles has grown rapidly in the past few decades due to rapid increases in market penetration, power consumption of the devices, and increasing usage driven by new capabilities. Unfortunately, studies investigating the energy impacts of these devices have been limited and potential responses, such as ENERGY STAR requirements, have been difficult to defin...
introduction energy is one of the most important commodities that make up a large proportion of international trade. among all the countries in the world, iran is known as semi-industrial developing country which is rich in energy such as non-renewable energy in particular fossil fuel. use of energy affects the environment in various forms of pollution. in the agricultural sector, the fao repor...
Energy consumption has been essential to societies; because societies depend on the rising provisions of energy to meet their requirements for goods and services and endorse sustainable development. The major source of energy nowadays is oil; oil consumption is dependent on oil availability, production and price. Several Arab countries are considered as major suppliers of oil in the world; cons...
The main goal of policies to increase the energy efficiency is reducing energy consumption, but this goal is limited by the rebound effect. In the literature of energy economics, there are two types of non-price and market tools to reduce rebound effects. Among the market tools, energy taxation is a favored approach. In the Iranian economy, where the prices of energy carriers, including electri...
This paper proposes a distributed optimization model for community microgrids considering the building thermal dynamics and customer comfort preference. The microgrid central controller (MCC) minimizes the total cost of operating the community microgrid, including fuel cost, purchasing cost, battery degradation cost and voluntary load shedding cost based on the customers’ consumption, while the...
Accurate prediction of the future electricity consumption is crucial for production electricity management. Since the storage of electrical energy is very difficult, reliable and accurate prediction of power consumption is important. Different approaches for this purpose were used. In this paper, Grey model (1,1) based on grey system theory has been used for forecasting results. Annual electric...
BACKGROUND The growing health risks associated with greenhouse gas emissions highlight the need for new energy policies that emphasize efficiency and low-carbon energy intensity. OBJECTIVES We assessed the relationships among electricity use, coal consumption, and health outcomes. METHODS Using time-series data sets from 41 countries with varying development trajectories between 1965 and 20...
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