38,352 resources related to Energy Efficiency
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To promote awareness, understanding, advancement and application of ocean engineering and marine technology. This includes all aspects of science, engineering, and technology that address research, development, and operations pertaining to all bodies of water. This includes the creation of new capabilities and technologies from concept design through prototypes, testing, and operational systems to sense, explore, understand, develop, use, and responsibly manage natural resources.
Energy conversion and conditioning technologies, power electronics, adjustable speed drives and their applications, power electronics for smarter grid, energy efficiency,technologies for sustainable energy systems, converters and power supplies
EDA (Electronics Design Automation) is becoming ever more important with the continuous scaling of semiconductor devices and the growing complexities of their use in circuits and systems. Demands for lower-power, higher-reliability and more agile electronic systems raise new challenges to both design and design automation of such systems. For the past five decades, the primary focus of research track at DAC has been to showcase leading-edge research and practice in tools and methodologies for the design of circuits and systems.
Photovoltaic materials, devices, systems and related science and technology
APEC focuses on the practical and applied aspects of the power electronics business. The conference addresses issues of immediate and long term importance to practicing power electronics engineer.
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...
IEEE Communications Magazine was the number three most-cited journal in telecommunications and the number eighteen cited journal in electrical and electronics engineering in 2004, according to the annual Journal Citation Report (2004 edition) published by the Institute for Scientific Information. Read more at http://www.ieee.org/products/citations.html. This magazine covers all areas of communications such as lightwave telecommunications, high-speed data communications, personal communications ...
Each tutorial reviews currents communications topics in network management and computer and wireless communications. Available tutorials, which are 2.5 to 5 hours in length contains the original visuals and voice-over by the presenter. IEEE Communications Surveys & Tutorials features two distinct types of articles: original articles and reprints. The original articles are exclusively written for IEEE Communications Surveys & Tutorials ...
Telephone, telegraphy, facsimile, and point-to-point television, by electromagnetic propagation, including radio; wire; aerial, underground, coaxial, and submarine cables; waveguides, communication satellites, and lasers; in marine, aeronautical, space and fixed station services; repeaters, radio relaying, signal storage, and regeneration; telecommunication error detection and correction; multiplexing and carrier techniques; communication switching systems; data communications; and communication theory. In addition to the above, ...
2011 Southern African Energy Efficiency Convention, 2011
This paper sets out historical aspects and implementation constraints experienced in the Municipal Environment i.e. the City of Cape Town in the process of motivating and implementing energy efficiency intervention in the administration buildings used by the city in the process of service delivery to its citizens. A description of the programmes implemented is given and an indication of expected ...
2006 IEEE International Power and Energy Conference, 2006
Review of electric energy consumption in different countries shows that electric motors are among the most intensive electricity consumer equipments. Statistics indicate that about two third of industrial electricity in Iran is consumed through motor driven systems. Thus, it seems that these consumers would have considerable potential for energy conservation. In order to promote energy efficiency in these equipments, various ...
2018 China International Conference on Electricity Distribution (CICED), 2018
In recent years, China's power energy efficiency monitoring business has rapidly developed along with the rise of smart grids to establish an effective power energy efficiency monitoring system, timely master power consumption data of power companies and residents, achieve scientific energy efficiency analysis, and based on internal operating equipment data, Conduct user energy efficiency diagnosis analysis, provide users with energy ...
2016 IEEE International Conference on Power System Technology (POWERCON), 2016
The concept of energy efficiency of large industrial enterprises has been attracting lots of concerns by researchers. Basically, large industrial loads can be divided into three categories: lighting utilization systems, production utilization systems, air-conditioning utilization systems. To improve energy efficiency, this paper proposes the Multi-Agent System (MAS) framework for large industrial enterprises' electrical efficiency management and designs interactive mechanisms. The ...
2012 Proceedings of SICE Annual Conference (SICE), 2012
It becomes rapidly indispensable for us to apply adequately measurement and control technologies to manufacturing automation systems toward the high-revel low-carbon and energy efficiency. Under this background, several International Standardization Organizations are now working in this subject area. In this session, the latest status of those efforts will be reported and discussed in order to facilitate the transition to an ...
ECCE Plenary: Paul Hamilton, part 2
ECCE Plenary: Paul Hamilton, part 1
KeyTalks: The US Department of Energy's Perspective on Achieving Low Cost High Efficiency Energy
Transphorm: Redefining Energy Efficiency
Approaches towards energy-efficiency in the cloud for emerging markets
International Future Energy Challenge 2018
ECCE Plenary: Lennart Jonsson, part 1
ASC-2014 Plenary series - 1 of 13 - Monday 2014/8/11
Reducing Electricity Usage: APEC 2013 KeyTalk with Dr. Jayant Baliga
ECCE Plenary: Pedro Ray, part 2
Envelope Tracking and Energy Recovery Concepts for RF Switch-mode Power Amplifiers
2010 APEC - Conference Highlights
KeyTalk with Dr. Ahmad Bahai: Power Semiconductor Technology - Intelligence for Tomorrows Solutions - APEC 2017
ASC-2014 Plenary series - 2 of 13 - Monday 2014/8/11
Infineon Technologies: Power Efficiency from Generation to Consumption
Winds of Change: Part 5 - Efficiency and Economics/Grid Infrastructure
ECCE Plenary: Pedro Ray, part 1
ECCE Plenary: Lennart Jonsson, part 2
Reversible Computing as a Path Towards Unbounded Energy Efficiency - Michael Frank - ICRC 2018
This paper sets out historical aspects and implementation constraints experienced in the Municipal Environment i.e. the City of Cape Town in the process of motivating and implementing energy efficiency intervention in the administration buildings used by the city in the process of service delivery to its citizens. A description of the programmes implemented is given and an indication of expected savings as well as some initial results are presented.
Review of electric energy consumption in different countries shows that electric motors are among the most intensive electricity consumer equipments. Statistics indicate that about two third of industrial electricity in Iran is consumed through motor driven systems. Thus, it seems that these consumers would have considerable potential for energy conservation. In order to promote energy efficiency in these equipments, various methods have been developed during recent years. This research work dedicated to cost-benefit assessment of utilizing these methods in 3-phase electric motors of Iranian industries. Comparison among these measures has been done in a long time horizon (2004-2029) and by considering techno-economic parameters of electric motors, their energy efficiency measures, demand for motive power in industry and electricity price in this period. The results have been sensitivity analyzed in various scenarios of electricity price and costs of energy efficiency measures. The results of major scenarios suggest that utilizing these measures has noticeable benefits for national economy and in the 25 years of the study period leads to 74.8 GWh reduction in electricity consumption, elimination the need to 570 MW power plants capacity and $1.6 billion reduction in total costs of the energy sector. Using high efficiency electric motors, adjustable speed drives and current voltage controllers are most important recommended results of the study.
In recent years, China's power energy efficiency monitoring business has rapidly developed along with the rise of smart grids to establish an effective power energy efficiency monitoring system, timely master power consumption data of power companies and residents, achieve scientific energy efficiency analysis, and based on internal operating equipment data, Conduct user energy efficiency diagnosis analysis, provide users with energy use guidance, reduce user energy costs, provide accurate enterprise energy efficiency benchmarking and assessment services, analyze customer electricity usage behavior based on electricity usage, and generate and push customer energy analysis reports. It is necessary for users to adjust their electricity habits and promote the development of energy-saving businesses in enterprises for power companies, residents, and power grid companies. In this paper, the evaluation model is established using the ladder-based comprehensive energy efficiency assessment method, and the algorithm in the model is introduced in detail.
The concept of energy efficiency of large industrial enterprises has been attracting lots of concerns by researchers. Basically, large industrial loads can be divided into three categories: lighting utilization systems, production utilization systems, air-conditioning utilization systems. To improve energy efficiency, this paper proposes the Multi-Agent System (MAS) framework for large industrial enterprises' electrical efficiency management and designs interactive mechanisms. The models of the utilization system agent, the controllable agent of utilization systems and the central coordination controllable agent are established respectively. Then the electricity optimization methodology for the proposed framework is put forward so as to improve the energy efficiency. At last, taking one large industrial enterprise as an example, the proposed model and methodology prove effective in reducing the operating costs, enhancing the competitiveness and ensuring good user experience.
It becomes rapidly indispensable for us to apply adequately measurement and control technologies to manufacturing automation systems toward the high-revel low-carbon and energy efficiency. Under this background, several International Standardization Organizations are now working in this subject area. In this session, the latest status of those efforts will be reported and discussed in order to facilitate the transition to an energy-efficient, environmental society.
In hot summer and warm winter zone, decreasing the inferred transmittance of building glass is an effective way to reduce the shading coefficient of external windows and increase the cooling energy efficient rates. Based on an office building model in Guangzhou, the DeST-c code was used to study the effects of the inferred transmittance of building glass on the cooling energy efficient rates. The results show that the cooling energy efficient rates could be significantly increased while the indoor natural lighting could not be degraded by reducing the inferred transmittance of the building glass. As the inferred transmittance of building glass decreases from 1 to 0 and the visible transmittance keeps at 0.7, the cooling need of the office building reduces by 23.3%. Moreover, the annual cooling energy efficient rate increases by form 0.67% to 18.3% compared with the cooling space load of the office building with the shading coefficient of 1.0. By making hourly analysis on the variations laws of the cooling energy efficient rates at all hours in need of cooling load in a year, it can be found that the cause of the significant increase of annual cooling energy efficient rates is that as the inferred transmittance decreases, the hourly cooling energy efficient rates increase significantly for the hours with higher cooling load. The research results can provide references for the optimization of aerogel glass sun-shading performance and the building cooling energy efficiency in South China.
International Maritime Organization (IMO) proposed the Ship Energy Efficiency Operational Indicator (EEOI) to evaluate the energy efficiency of ships in service. During the implementation of the EEOI, the effective monitoring and optimization management of ship energy efficiency is very important. In this paper, the ship energy efficiency monitoring and control system considering the environmental factors was designed. The system can calculate the EEOI of ship and have real-time displays to monitor current energy efficiency level of the ship by collecting environmental factors and engine fuel consumption data. In addition, the system can automatically output corresponding control signal to make the propulsion system run at the optimum energy efficiency status by running the energy efficiency optimization control model with the consideration of the environmental factors. The designed system can achieve the ship energy efficiency monitoring and optimum control of propulsion system under different environmental factors, thus making the ship run at the optimum energy efficiency level, thereby enhancing the ship energy efficiency and reducing emissions.
In order to monitor the loss of each equipment and overall system of flexible DC transmission system, An energy efficiency metering system of multi-terminal flexible DC transmission is developed in this paper. The system collects the data of dispatching master station and supervisory control and data acquisition (SCADA) system, and calculates in real time through loss calculation model to realize the functions of real-time energy efficiency monitoring, energy efficiency statistics and economic operation analysis of whole system, converter stations, energy consumption equipment and cables under different operating conditions of the flexible DC transmission system. The system can serve as a reference for the construction of other energy efficiency measurement systems.
The purpose of this paper is to provide you with some examples of how the application of automation albeit with computers and electricity can improve the lot of some users and contribute to carbon emission reduction. The first, computers has been accepted as being a genuine contributor although some minority groups have said that computer displays and cell phones can cause cancer or effect the brain while the second, electricity especially in South Africa contributes to carbon emission through dirty coal fired power stations. Personally I believe those of the first until proven wrong are bordering on the lunatic fringe while the second have a point particularly if you live in Mpumalanga, notably Witbank, in the winter months. Countries like Zambia with huge rivers like the Zambezi and Kafue are fortunate to get away with Hydro power while South Africa will most likely have to adopt the nuclear route as the most viable solution to replace coal. I believe like electric vehicles, a prototype I recall seeing as a recent graduate in the seventies, will take some time to replace the proven internal combustion engine of the last century, though in Europe battery charging stations like petrol filling stations are springing up all over particularly, in Spain. So too renewable energy sources such as wind and solar will take some time to replace those such as coal and nuclear. Therefore by converting from petrol or diesel to electric in South Africa though like moving the problem from the end user to the source, it is a step towards energy efficiency in the long term with the move to nuclear power generation. Nuclear though unpopular in certain circles still remains the cleanest energy source after coal for those countries unable to take advantage of hydro power. Ideally if the DRC could harness the mighty Congo River instead of fighting over its resources like those over the oil resources of Nigeria, then all our pollution problems would be resolved except for lots of expensive power transmission lines running south and north. I like the idea I believe Siemens is exploring through Desertec Industrial Initiative (DII) which is to turn the Sahara desert into a plethora of solar panels to feed the energy needs of Europe! Maybe this is how Germany has planned to decommission its nuclear stations.
Distributed energy systems are the focus of energy issues, and the existing energy system evaluation methods are mostly established for single-energy systems. Based on the characteristics of distributed energy system, a comprehensive energy efficiency evaluation system and method are presented for distributed energy system based on entropy weight method in this paper. It integrates economic indicators, energy efficiency technical indicators and environmental indicators. The traditional indicators have been filtered and the concept of construction cost growth coefficient is first put forward. The expert evaluation system and the purpose bias weight are added to the evaluation method at the same time. Finally, an example is given to compare the evaluation results of traditional system, PV system and gas turbine system under different evaluation.
macOS Power Engineer
iOS WiFi Power Engineer
SoC Thermal Architect/Lead
Wireless Power Systems Architect
Engineer IV - Engineering Product Specialist
Emerson Electric Co.
ENGINEER (MECHANICAL, ELECTRICAL, PLUMBING) (JO#5045)
Judicial Council of California
Weapons Infrastructure Mechanical Engineer
Lawrence Livermore National Laboratory
Sr. Electrical Engineer
Lawrence Livermore National Laboratory