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The role of electrical

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  • In the electricity market operation, wholesale electricity prices or Locational Marginal Prices (LMP) vary according to electric demand (including consumption power consumed, bidding prices and the level of price-sensitivity) as well as the penetration level of the wind power. The variable domain identification of LMP plays a very important role for market participants to assess and mitigate the risk on account of the uncertainty of wind power output forecasting.

    pdf5p vispyker 16-11-2022 2 0   Download

  • The design of a high-performance ultrasound transducer ultimately plays an important role in determining the quality of the image. The simulation based COMSOL Multiphysics (Finite Element Model -FEM) is the most powerful and accurate tool available for this application. The electrical impedance, the transducer center frequency and relative bandwidth of the ultrasound transducer is simulated by using FEM model, and then compared to XTRANS.

    pdf4p vispyker 16-11-2022 6 0   Download

  • The development of a small signal model that accurately reflects dynamic processes plays an essential role in the stability analysis and control of power systems. The main components in a microgrid power system are synchronous generators, the electrical network, electrical loads, and inverters. A method to derive the microgrid state-space model is proposed in the article.

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  • The paper focuses on clarifying this role of the Vietnam National Oil and Gas Group for socio-economic sustainable development, protecting the ecological environment and combating climate change.

    pdf8p visherylsandberg 18-05-2022 10 1   Download

  • Demand Response programs have been increasing rapidly in recent years, and it plays a vital role in improving power supply-demand balancing operation. In particular, peak-time-rebate-DR (PTR-DR) is expected to penetrate further because it brings benefit both electric power suppliers and consumers with a smaller burden on the consumer-side in comparison with the other DR types.

    pdf4p vistephenhawking 26-04-2022 8 2   Download

  • The work on technology transitions and electricity has concentrated on sustainability from the perspective of centralized generation and transmission companies. For example, there is a substantial literature in energy social science on the role that the smart grid plays in the sustainable energy transition.

    pdf7p huangminghao_1902 27-02-2022 9 1   Download

  • Lithium (Li) is the lightest metal, has unique physicochemical properties and is the main component of lithium-ion batteries. Rechargeable lithium-ion batteries play a very important role in maximizing the performance of electric devices and vehicles. It is predicted that the metal and mineral demand for lithium-ion batteries will increase 56 times by 2050. In order to meet the increasing demand, in addition to known methods, lithium recovery from geothermal waters has become a very popular research subject.

    pdf13p tanmocphong 29-01-2022 18 1   Download

  • Post-spinal hypotension is a common maternal complication during cesarean delivery. Aortocaval compression by the gravid uterus has been assumed as a precipitating factor for post-spinal hypotension. The role of left lateral tilting position in improving maternal cardiac output after subarachnoid block (SAB) is unclear. The aim of this work is to investigate the effect of left lateral tilting on maternal hemodynamics after SAB.

    pdf6p vampires36 30-12-2021 6 0   Download

  • It is essential to get information on clayey layers, which may play a significant role in protecting shallow aquifers thanks to their low hydraulic conductivity from surface contamination. One of the simple geophysical instruments is EM34 which applies the electromagnetic principle to read directly and quickly the apparent electrical conductivity of the subsurface.

    pdf6p vivacation2711 23-10-2021 12 0   Download

  • At present, the continuous increase of household electricity demand is strategic and crucial in electricity demand management. Household electricity consumers can play an important role in this issue. The rationalization of electricity consumption might be achieved by using an efficient Demand Response (DR) program.

    pdf17p mynguyenha 21-07-2021 21 0   Download

  • Economic growth sustainability and environmental preservation have become a topical issue. This study emanates from the need to assess the starring role of energy ingestion in guaranteeing sustainable economic progression in Nigeria. The study investigates the influence of energy consumption and carbon dioxide emission on the economic growth of Nigeria from 2008 to 2019. In this study, we employ the multiple regression techniques to assess the impact of Electricity, CO2 , primary energy and total labour force on GDP.

    pdf6p mynguyenha 21-07-2021 8 0   Download

  • Globally, the transport sector has been directed towards electric mobility by policies, regulations, development strategies and economic incentives. The transport sector has an important strategic role in the economic development of a country, the sustainability of this sector has an impact on political and scientific discussions due to its environmental impact.

    pdf9p mynguyenha 21-07-2021 20 0   Download

  • Our research aims to determine the effect of electricity distribution and energy consumption on industrial development dynamics that occur between regions in Indonesia by adding investment and inflation as control variables. The analysis tools that we use are static (Fixed Effect) and dynamic (GMM) panel data model with a dataset of 34 provinces for the 2012-2019 period.

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  • The significant role of energy efficiency labelling should not be ignored as it provides various information that serve as a guideline when people make purchasing decision. It indicates projection energy consumption of an electrical equipment according to energy efficiency rating system. This study applied choice experiment (CE) method in which the conditional logit (CL) model was valued to determine students’ willingness to pay (WTP) based on their preferences of the energy label attributes of table fans.

    pdf9p caygaocaolon11 18-04-2021 17 0   Download

  • This survey addresses the issue of assessing and identifying the role of digital transformation in electrical energy consumption. It is shown that spatial effects in the level of electricity consumption among Russian regions are significant. The work is based on regional data for 2010-2018. Research methods: construction of the Moran and Geary indices, estimation of spatial regression panel models with fixed effects. The Implementation of digital technologies in Russia is at the initial stage, so their impact on energy consumption is ambiguous.

    pdf7p caygaocaolon11 18-04-2021 16 0   Download

  • Forecasting the hourly electricity spot price plays a crucial role for agents involved in energy day-ahead markets. However, traditional time series processes used for this issue model each hour separately not taking into account the intraday energy market microstructure information. In this paper, we appeal to a Functional Data Analysis (FDA) viewpoint that allows modeling and forecasting the intraday electricity spot price of the Colombian Electricity Market.

    pdf8p caygaocaolon11 18-04-2021 14 0   Download

  • An accurate forecasting for long-term electricity demand make a major role to the planning of the power system in any country. Vietnam is one of the most economic developing country in the world, and its electricity demand has been increased dramatically high of about 15%/y for last three decades. Contribution of industry and construction sectors in GDP have been increasing year by year, and are currently holding the leading position of the largest consumers with more than 50% sharing in national electricity consumption proportion.

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  • The size, shape, and surface morphology of NP‟s play an important role in dominant their physical, chemical, optical, and electronic properties. The NP‟s that attract the eye of most researchers are made from bulk silver and gold (Gade et al., 2008). Nanoparticles can be engineered for shape, chemical nature, size, surface properties, surface modification to transmit special functionalities such as improved strength, catalytic properties and enhanced electrical and thermal conductivity. Different features of the engineered nanoparticles were shown in figure 1.

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  • This paper revolves around the challenges currently tackled by the energy distribution sector, where infrastructural investments play a vital role in both increasing the industry’s internal efficiency and developing national economies. In natural gas and electricity sectors, the liberalisation process began in Europe at the end of the 1990s has triggered a change in the industry’s competitive framework, encouraging investments by companies aiming at improving their industrial and organisational efficiency.

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  • In this paper, we examine an extended model of the determinants of electricity consumption to include the effect of technological innovation represented by the number of patent and trademark registered. The study focused on 35 African countries from 2009 to 2018 based on availability of records on patent and trademark registration.

    pdf9p kethamoi7 15-08-2020 14 0   Download

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